Full List 1_2020 (click to view)
Selected Patents
1. Penflufen Containing Compositions
EP 3 042 562 B1. The present invention relates to a composition containing penflufen and a potentiator selected from the group consisting of N,N-dimethyldodecylamine and cocoamine oxide, and uses thereof
2. ENHANCED PRESERVATIVE
US 10,721,934 B2. A composition having biocidal properties is disclosed. The composition includes a first biocide, optionally a second biocide, and a biocide enhancing agent. The first biocide may comprise an isothiazolin. The second biocide may comprise a pyrithione. The biocide enhancing agent may comprise an amine, an amine salt, an amine oxide, or mixtures thereof. The amine compound may have a carbon chain length of at least six carbon atoms, such as at least eight carbon atoms.
3. Coated metal pyrithione particles for treatment of microorganisms
Patent number: 8980235
Abstract: A composition comprising coated particles of a salt of pyrithione selected from the group consisting of monovalent and polyvalent pyrithione salts, and combinations thereof, partially or fully coated with a lipophilic agent. The composition is characterized by enhanced anti-fungal and anti-dandruff efficacy in shampoos. Also disclosed is a personal care composition, preferably a shampoo, containing a topical carrier and coated particles of a salt of pyrithione selected from the group consisting of monovalent and polyvalent pyrithione salts, and combinations thereof, partially or fully coated with a lipophilic agent.
Type: Grant
Filed: September 28, 2004
Date of Patent: March 17, 2015
Assignees: Arch Chemicals, Inc., The Proctor & Gamble Company
Inventors: Deqing Lei, George Polson, Diana T. Ciccognani, Kevin N. DiNicola, Richard B. Shalvoy, Katherine P. Roberts, Louis L. Punto, James Robert Schwartz, David Joseph Kaufman
4.Biocidal Compositions Comprising Iron Chelators
Publication number: 20140154189
Abstract: The present invention, therefore, is directed to an antimicrobial compositions that decreases the bioavailability of iron by introducing a higher-affinity iron-selective chelating agent capable of competing with microbial siderophores. In one aspect, the present invention relates to an antimicrobial composition including a potentiating antimicrobial composition including one or more antimicrobial agents and a chelator having a weight ratio of the antimicrobial agent to the chelator from about 1:1000 to about 1000:1.
Type: Application
Filed: October 14, 2013
Publication date: June 5, 2014
Applicant: Arch Chemicals, Inc.
Inventors: George Polson, Jody Jourden, Qi Zheng, Regina M. Prioli, Diana Ciccognani, Sungmee Choi
5. Chemical method of making a suspension, emulsion or dispersion of pyrithione particles
Patent number: 8709460
Abstract: A method for producing a suspension, emulsion or dispersion of de-agglomerated particles (advantageously submicron-sized particles) of pyrithione salts comprising contacting agglomerated pyrithione salt particles with a de-agglomerating agent to produce the desired de-agglomerated pyrithione salt particles. Also disclosed is a method for making de-agglomerated submicron-sized particles of pyrithione salts comprising a heating step. Also disclosed are the particles made by the above methods and compositions comprising the particles and a base medium.
Type: Grant
Filed: April 23, 2009
Date of Patent: April 29, 2014
Assignee: Arch Chemicals, Inc.
Inventors: Saeed M. Mohseni, Charles W. Kaufman, David C. Beaty, John J. Jardas, George Polson
6. Composition and Method For Preventing Discoloration of Pyrithione Containing Compositions
Publication number: 20140038933
Abstract: The present invention provides a composition containing a pyrithione compound and a pyranone compound and a method of reducing discoloration of compositions containing pyrithione compounds. The composition may be a soap composition.
Type: Application
Filed: July 30, 2013
Publication date: February 6, 2014
Applicant: Arch Chemicals, Inc.
Inventors: George Polson, Jody Jourden, Denise B. Taylor, Yongcheng Ji
7. Coated calcium hypochlorite composition
Patent number: 8252200
Abstract: The present invention is directed to a water treatment composition, comprising: calcium hypochlorite coated with a coating comprising at least one hydrated or anhydrous salt. The present invention is also directed to a water treatment composition, comprising: (a) an inner core layer comprising calcium hypochlorite; (b) one or more interlayers of selected salts positioned on top of said inner core layer, and (c) one or more outer layers of selected salts positioned on top of said interlayer(s).
Type: Grant
Filed: November 21, 2006
Date of Patent: August 28, 2012
Assignee: Arch Chemicals, Inc.
Inventors: Deqing Lei, George Polson, Sonia Oberson, Ellen M. Meyer, James D. Kilby
8. Composite biocidal particles
Patent number: 8158158
Abstract: A biocidal composition is disclosed comprising composite particles, each of said composite particles containing a shell and a core, said core comprising a metal or a metal-containing compound wherein the metal is a moiety selected from the group consisting of zinc, copper, bismuth, silver, zirconium, and combinations thereof said shell comprising a pyrithione adduct comprising the reaction product of pyrithione with a portion of said core metal or metal compound. In one aspect, an anti-fouling composition is disclosed comprising (a) an anti-soft-fouling effective amount of copper pyrithione; and (b) an anti-hard-fouling effective amount of a copper-containing salt, or oxide or hydroxide thereof. The present invention also relates to a method of making an anti-fouling composition comprising particles of copper pyrithione and a copper-containing salt that is effective against hard-fouling and soft-fouling organisms.
Type: Grant
Filed: February 15, 2002
Date of Patent: April 17, 2012
Assignee: Arch Chemicals, Inc.
Inventors: David F. Gavin, Craig Waldron, Robert J. Martin, George A. Polson
9. Composite biocidal particles
Patent number: 7942958
Abstract: A biocidal composition is disclosed comprising composite particles, each of the composite particles containing a shell and a core, the core comprising a metal or a metal-containing compound wherein the metal is a moiety selected from the group consisting of zinc, copper, bismuth, silver, zirconium, and combinations thereof, the shell comprising a pyrithione adduct comprising the reaction product of pyrithione with a portion of the core metal or metal compound. In one aspect, an anti-fouling composition is disclosed comprising (a) an anti-soft-fouling effective amount of copper pyrithione; and (b) an anti-hard-fouling effective amount of a copper-containing salt, or oxide or hydroxide thereof. The present invention also relates to a method of making an antifouling composition comprising particles of copper pyrithione and a copper-containing salt that is effective against hard-fouling and soft-fouling organisms.
Type: Grant
Filed: July 22, 1998
Date of Patent: May 17, 2011
Assignee: Arch Chemicals, Inc.
Inventors: David F. Gavin, Craig Waldron, Robert J. Martin, George A. Polson
10. Topical anti-microbial compositions
Patent number: 7674785
Abstract: Disclosed are topical compositions for the treatment of microbial infections on the skin or scalp which include a polyvalent metal salt of pyrithione and include a metal ion source. Also disclosed are methods for treating microbial infections of the skin or scalp using such compositions.
Type: Grant
Filed: December 8, 2005
Date of Patent: March 9, 2010
Assignees: The Procter & Gamble Company, Arch Chemicals, Inc.
Inventors: David Francis Gavin, Anthony Raymond Marchetta, John Daniel Nelson, Jr., George Polson, James Robert Schwartz, Patricia Aileen Turley
11. TOPICAL PYRITHIONE COMPOSITIONS AND METHODS FOR TREATMENT OF NAIL FUNGUS
Publication number: 20090298805
Abstract: Disclosed is a formulation and method for the treatment of fungal infections of the nail (onychomycosis) utilizing a topical composition comprising zinc pyrithione, a solubilizer for the zinc pyrithione, a film former, and a volatile solvent. The formulation is preferably in the form of a lacquer. The composition containing the metal pyrithione complex is topically applied to the infected nail preferably as a nail polish or lacquer which may be applied with a dropper, swab or the like to the afflicted nail surface. The treatment can be done at least two times a day, with a course of treatment lasting from several weeks to several months or until a cure is effected or a significant reduction of the infection is achieved.
Type: Application
Filed: June 3, 2008
Publication date: December 3, 2009
Inventors: George A. Polson, Katherine P. Roberts, Khat Kevin Lou, Kevin N. DiNicola
12. Chemical method of making a suspension, emulsion or dispersion of pyrithione particles
Publication number: 20090215739
Abstract: A method for producing a suspension, emulsion or dispersion of de-agglomerated particles (advantageously submicron-sized particles) of pyrithione salts comprising contacting agglomerated pyrithione salt particles with a de-agglomerating agent to produce the desired de-agglomerated pyrithione salt particles. Also disclosed is a method for making de-agglomerated submicron-sized particles of pyrithione salts comprising a heating step. Also disclosed are the particles made by the above methods and compositions comprising the particles and a base medium.
Type: Application
Filed: April 23, 2009
Publication date: August 27, 2009
Inventors: Saeed M. Mohseni, Charles W. Kaufman, David C. Beaty, John J. Jardas, George Polson
13. Chemical method of making a suspension, emulsion or dispersion of pyrithione particles
Patent number: 7544367
Abstract: A method for producing a suspension, emulsion or dispersion of de-agglomerated particles (advantageously submicron-sized particles) of pyrithione salts comprising contacting agglomerated pyrithione salt particles with a de-agglomerating agent to produce the desired de-agglomerated pyrithione salt particles. Also disclosed is a method for making de-agglomerated submicron-sized particles of pyrithione salts comprision a heating step. Also disclosed are the particles made by the above methods and compositions comprising the particles and a base medium.
Type: Grant
Filed: June 20, 2002
Date of Patent: June 9, 2009
Assignee: Arch Chemicals, Inc.
Inventors: Saeed M. Mohseni, Charles W. Kaufman, David C. Beaty, John J. Jardas, George Polson
14.Coated calcium hypochlorite composition
Publication number: 20070125979
Abstract: The present invention is directed to a water treatment composition, comprising: calcium hypochlorite coated with a coating comprising at least one hydrated or anhydrous salt. The present invention is also directed to a water treatment composition, comprising: (a) an inner core layer comprising calcium hypochlorite; (b) one or more interlayers of selected salts positioned on top of said inner core layer, and (c) one or more outer layers of selected salts positioned on top of said interlayer(s).
Type: Application
Filed: November 21, 2006
Publication date: June 7, 2007
Inventors: Deqing Lei, George Polson, Sonia Oberson, Ellen Meyer, James Kilby
15. Topical anti-microbial compositions
Publication number: 20060089342
Abstract: Disclosed are topical compositions for the treatment of microbial infections on the skin or scalp which include a polyvalent metal salt of pyrithione and include a metal ion source. Also disclosed are methods for treating microbial infections of the skin or scalp using such compositions.
Type: Application
Filed: December 8, 2005
Publication date: April 27, 2006
Inventors: David Gavin, Anthony Marchetta, John Nelson, George Polson, James Schwartz, Patricia Turley
16. Topical anti-microbial compositions
Patent number: 7026308
Abstract: Disclosed are topical compositions for the treatment of microbial infections on the skin or scalp which include a polyvalent metal salt of pyrithione and include a metal ion source. Also disclosed are methods for treating microbial infections of the skin or scalp using such compositions.
Type: Grant
Filed: June 22, 2000
Date of Patent: April 11, 2006
Assignees: The Procter & Gamble Company, Arch Chemicals, Inc.
Inventors: David Francis Gavin, Anthony Raymond Marchetta, John Daniel Nelson, Jr., George Polson, James Robert Schwartz, Patricia Aileen Turley
17. Coated metal pyrithione particles for treatment of microorganisms
Publication number: 20050118276
Abstract: A composition comprising coated particles of a salt of pyrithione selected from the group consisting of monovalent and polyvalent pyrithione salts, and combinations thereof, partially or fully coated with a lipophilic agent. The composition is characterized by enhanced anti-fungal and anti-dandruff efficacy in shampoos. Also disclosed is a personal care composition, preferably a shampoo, containing a topical carrier and coated particles of a salt of pyrithione selected from the group consisting of monovalent and polyvalent pyrithione salts, and combinations thereof, partially or fully coated with a lipophilic agent.
Type: Application
Filed: September 28, 2004
Publication date: June 2, 2005
Inventors: Deqing Lei, George Polson, Diana Ciccognani, Kevin DiNicola, Richard Shalvoy, Katherine Roberts, Louis Punto, James Schwartz, David Kaufman
Publication number: 20040213751
Abstract: The present invention relates to a composition comprising an effective amount of pyrithione or a polyvalent metal salt of a pyrithione and an effective amount of a zinc-containing layered material which provides an augmentation factor greater than 1. The present invention further relates to a method of treating microbial infections, fungal infections, or treating dandruff comprising the use of a composition comprising an effective amount of pyrithione or a polyvalent metal salt of a pyrithione, an effective amount of a zinc-containing layered material which provides an augmentation factor greater than 1.
Type: Application
Filed: March 17, 2004
Publication date: October 28, 2004
Inventors: James Robert Schwartz, Eric Scott Johnson, Bonnie Theresa King, Joyce Ross Akred, George Polson, Patricia A. Turley
19. Use of materials having zinc ionophoric behavior
Publication number: 20040058855
Abstract: Disclosed is a method for delivering excess zinc to eukaryotic cells to inhibit the metabolism of the cell, the method comprising treating the cells with a zinc ionophoric that is capable of delivering a zinc ion across a cellular membrane wherein the minimum inhibitory concentration (MIC) of the zinc ionophoric material is less than about 500 ppm. Further disclosed is a method for delivering excess zinc to eukaryotic cells to inhibit the metabolism of the cell, the method comprising treating the cells with a zinc ionophoric material that is capable of delivering a zinc ion across a cellular membrane wherein the zinc ionophoric material is in combination with a zinc containing material and further wherein there is an increase in an intracellular zinc level by 1.5 fold more than would occur in the absence of the zinc ionophoric material.
Type: Application
Filed: March 18, 2003
Publication date: March 25, 2004
Inventors: James R. Schwartz, George Polson, Patricia A. Turley, John D. Nelson, David F. Gavin, Katherine P. Roberts, Carl Hinz Margraf, David Joseph Kaufman, Randall Glenn Marsh
20. Chemical method of making a suspension, emulsion or dispersion of pyrithione particles
Publication number: 20020197283
Abstract: A method for producing a suspension, emulsion or dispersion of de-agglomerated particles (advantageously submicron-sized particles) of pyrithione salts comprising contacting agglomerated pyrithione salt particles with a de-agglomerating agent to produce the desired de-agglomerated pyrithione salt particles. Also disclosed is a method for making de-agglomerated submicron-sized particles of pyrithione salts comprision a heating step. Also disclosed are the particles made by the above methods and compositions comprising the particles and a base medium.
Type: Application
Filed: June 20, 2002
Publication date: December 26, 2002
Inventors: Saeed M. Mohseni, Charles W. Kaufman, David C. Beaty, John J. Jardas, George Polson
21. Composite biocidal particles
Publication number: 20020110575
Abstract: A biocidal composition is disclosed comprising composite particles, each of said composite particles containing a shell and a core, said core comprising a metal or a metal-containing compound wherein the metal is a moiety selected from the group consisting of zinc, copper, bismuth, silver, zirconium, and combinations thereof said shell comprising a pyrithione adduct comprising the reaction product of pyrithione with a portion of said core metal or metal compound. In one aspect, an anti-fouling composition is disclosed comprising (a) an anti-soft-fouling effective amount of copper pyrithione; and (b) an anti-hard-fouling effective amount of a copper-containing salt, or oxide or hydroxide thereof. The present invention also relates to a method of making an anti-fouling composition comprising particles of copper pyrithione and a copper-containing salt that is effective against hard-fouling and soft-fouling organisms.
Type: Application
Filed: February 15, 2002
Publication date: August 15, 2002
Inventors: David F. Gavin, Craig Waldron, Robert J. Martin, George A. Polson
22. Chemical method of making a suspension, emulsion or dispersion of pyrithione particles
Patent number: 6432432
Abstract: A method for producing a suspension, emulsion or dispersion of de-agglomerated particles (advantageously submicron-sized particles) of pyrithione salts comprising contacting agglomerated pyrithione salt particles with a de-agglomerating agent to produce the desired de-agglomerated pyrithione salt particles. Also disclosed is a method for making de-agglomerated submicron-sized particles of pyrithione salts comprision a heating step. Also disclosed are the particles made by the above methods and compositions comprising the particles and a base medium.
Type: Grant
Filed: February 25, 2000
Date of Patent: August 13, 2002
Assignee: Arch Chemicals, Inc.
Inventors: Saeed M. Mohseni, Charles W. Kaufman, David C. Beaty, John J. Jardas, George Polson
23. Non-spherical and non-platelet forms of pyrithione salts and methods of making same
Patent number: 6242007
Abstract: The present invention relates to non-spherical and/or non-platelet pyrithione particles. Also disclosed is a method for producing non-spherical and/or non-platelet particles of pyrithione salts, comprising reacting pyrithione acid or a water-soluble salt of pyrithione and a water-soluble polyvalent metal salt in the presence of an ionic surfactant composition at temperature from about 20° C. to about 60° C. and at a pH from 4-9 to produce non-spherical and/or non-platelet particles of pyrithione salts. The present invention further relates to particles made by the above methods and products, such as shampoos, soaps, and skin-care medicaments made using these particles.
Type: Grant
Filed: October 1, 1999
Date of Patent: June 5, 2001
Assignee: Arch Chemicals, Inc.
Inventors: Saeed H. Mohseni, John J. Jardas, George Polson, David C. Beaty, Charles W. Kaufman
24. In-situ generation of zinc pyrithione in personal care compositions
Patent number: 6162446
Abstract: Disclosed is a personal care composition comprising: (a) water or an alcohol, (b) at least one dispersant or surfactant, and (c) as an antimicrobial or preservative additive, particles of an in-situ transchelation reaction product of a zinc compound selected from the group consisting of zinc salts of organic acids, zinc salts of inorganic acids, zinc hydroxide, zinc oxide, and combinations thereof, said zinc compound being soluble in said water or alcohol, with pyrithione acid or a pyrithione salt that is soluble in said water or alcohol. Also disclosed is a process for preparing the personal care composition, and a coated substrate containing a coating of the personal care composition.
Type: Grant
Filed: March 11, 1998
Date of Patent: December 19, 2000
Assignee: Arch Chemicals, Inc.
Inventors: Rahim Hani, George A. Polson
25. Method for producing particles of pyrithione salts and particles so produced
Patent number: 6017936
Abstract: The present invention relates to a method for producing submicron-sized particles of pyrithione salts, comprising reacting pyrithione or a water-soluble salt of pyrithione and a water-soluble polyvalent metal salt in a pressurized turbulent flow reactor that generates pulverizing forces, the reaction producing submicron sized particles of pyrithione salt. The present invention also relates to particles made by the above method, and products, such as shampoos, soaps, and skin care medicaments made using these particles.
Type: Grant
Filed: March 2, 1998
Date of Patent: January 25, 2000
Assignee: Arch Chemicals, Inc.
Inventors: George A. Polson, Richard H. Dumas, Rahim Hani
26. Non-spherical and non-platelet crystalline forms of pyrithione salts
Patent number: 6017562
Abstract: The present invention relates to non-spherical and/or non-platelet pyrithione particles. Also disclosed is a method for producing non-spherical and/or non-platelet particles of pyrithione salts, comprising reacting pyrithione or a water-soluble salt of pyrithione and a water-soluble polyvalent metal salt in the presence of a dispersant at a temperature from about 20.degree. C. to about 60.degree. C. to produce non-spherical and/or non-platelet particles of pyrithione salts. The present invention further relates to particles made by the above methods and products, such as shampoos, soaps, and skin-care medicaments made using these particles.
Type: Grant
Filed: February 18, 1998
Date of Patent: January 25, 2000
Assignee: Arch Chemicals, Inc.
Inventors: Charles W. Kaufman, Saeed H. Mohseni, John J. Jardas, George A. Polson, David C. Beaty
CERTIFICATIONS