Patents by Inventor Hoai-Chau Cao
Hoai-Chau Cao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20020013244Abstract: A unit dose wash cycle fabric softening composition for softening or conditioning fabrics in the wash cycle of an automatic washing machine, said unit dose comprising (a) a compacted granular fabric softener composition or (b) an encapsulated liquid and/or granular fabric softener composition, the amount of (a) or (b) being sufficient to form a unit dose capable of providing effective softening or conditioning of fabrics in the wash cycle of said washing machine.Type: ApplicationFiled: March 29, 2001Publication date: January 31, 2002Applicant: Colgate-Palmolive companyInventors: Alain Jacques, Juliette Rousselet, Hoai-Chau Cao
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Publication number: 20020010118Abstract: A unit dose laundry composition for softening or conditioning fabrics which is suitable as an additive to the wash cycle of an automatic washing machine, said unit dose composition comprising a compacted granular composition comprising a fabric softener or a fabric conditioner, said compacted granular composition being characterized by having a spherical shape and having no discrete outer layer surrounding said fabric softener or conditioner, which outer layer is comprised of an alkaline material such that the pH of the wash water is increased upon the dissolution of said outer layer in said wash water.Type: ApplicationFiled: March 29, 2001Publication date: January 24, 2002Applicant: Colgate-Palmolive CompanyInventors: Alain Jacques, Juliette Rousselet, Hoai-Chau Cao
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Publication number: 20010051596Abstract: A composition comprising: an organic chemical having a chemical group having a dipole moment of at least about 1.5 Debyes and a chemical linker selected from the group consisting of carboxylic acids having 4 to 6 carbon atoms, an ethoxylated polyhydric alcohol, a polyvinyl pyrrolidone and a polyethylene glycol having a molecular weight of about 600 to about 10,000, wherein the molar ratio of organic chemical to chemical linker is about 4:1 to 1:4.Type: ApplicationFiled: May 14, 2001Publication date: December 13, 2001Inventors: Michele Davister, Guy Broze, Patrick Durbut, Hoai-Chau Cao, Thomas Connors, John Labows, Anne-Marie Misselyn
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Patent number: 6306809Abstract: A composition comprising: an organic chemical having a chemical group having a dipole moment of at least about 1.5 Debyes and a chemical linker selected from the group consisting of carboxylic acids having 4 to 6 carbon atoms, an ethoxylated polyhydric alcohol, a polyvinyl pyrrolidone and a polyethylene glycol having a molecular weight of about 600 to about 10,000, wherein the molar ratio of organic chemical to chemical linker is about 4:1 to 1:4.Type: GrantFiled: May 5, 2000Date of Patent: October 23, 2001Assignee: Colgate-Palmolive Co.Inventors: Michele Davister, Guy Broze, Patrick Durbut, Hoai-Chau Cao, Thomas Connors, John Labows, Anne-Marie Misselyn
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Patent number: 6303555Abstract: A composition comprising: an organic chemical having a chemical group having a dipole moment of at least about 1.5 Debyes and a chemical linker selected from the group consisting of carboxylic acids having 4 to 6 carbon atoms, an ethoxylated polyhydric alcohol, a polyvinyl pyrrolidone and a polyethylene glycol having a molecular weight of about 600 to about 10,000, wherein the molar ratio of organic chemical to chemical linker is about 4:1 to 1:4.Type: GrantFiled: October 31, 2000Date of Patent: October 16, 2001Assignee: Colgate-Palmolive CompanyInventors: Michele Davister, Guy Broze, Patrick Durbut, Hoai-Chau Cao, Anne-Marie Misselyn, Thomas Connors, John Labows
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Patent number: 6294516Abstract: A unit dose wash cycle fabric softening composition for softening or conditioning fabrics in the wash cycle of an automatic washing machine, said unit dose comprising (a) a compacted granular fabric softener composition or (b) an encapsulated liquid and/or granular fabric softener composition, the amount of (a) or (b) being sufficient to form a unit dose capable of providing effective softening or conditioning of fabrics in the wash cycle of said washing machine.Type: GrantFiled: July 20, 2000Date of Patent: September 25, 2001Assignee: Colgate-Palmolive Co.Inventors: Alain Jacques, Juliette Rousselet, Hoai-Chau Cao
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Patent number: 6291421Abstract: A unit dose wash cycle fabric softening composition for softening or conditioning fabrics in the wash cycle of an automatic washing machine, said unit dose comprising (a) a compacted granular fabric softener composition, the amount of (a) being sufficient to form a unit dose capable of providing effective softening or conditioning of fabrics in the wash cycle of said washing machine, and wherein said fabric softener composition comprises a treated montmorillonite-containing clay selected to have initial properties as follows: (i) a montmorillonite content of at least 85%; and (ii) when said clay is activated with sodium ions, dried and ground to particles, said ground particles do not swell more than about 2.Type: GrantFiled: October 9, 2000Date of Patent: September 18, 2001Assignee: Colgate-Palmolive Co.Inventors: Alain Jacques, Juliette Rousselet, Hoai-Chau Cao
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Publication number: 20010014654Abstract: A composition comprising: an organic chemical having a chemical group having a dipole moment of at least about 1.5 Debyes and a chemical linker selected from the group consisting of carboxylic acids having 4 to 6 carbon atoms, an ethoxylated polyhydric alcohol, a polyvinyl pyrrolidone and a polyethylene glycol having a molecular weight of about 600 to about 10,000, wherein the molar ratio of organic chemical to chemical linker is about 4:1 to 1:4.Type: ApplicationFiled: March 14, 2001Publication date: August 16, 2001Applicant: Colgate-Palmolive CompanyInventors: Michele Davister, Guy Broze, Patrick Durbut, Hoai-Chau Cao, Thomas Connors, John Labows
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Patent number: 6197741Abstract: A composition comprising: an organic chemical having a chemical group having a dipole moment of at least about 1.5 Debyes and a chemical linker selected from the group consisting of carboxylic acids having 4 to 6 carbon atoms, an ethoxylated polyhydric alcohol, a polyvinyl pyrrolidone and a polyethylene glycol having a molecular weight of about 600 to about 10,000, wherein the molar ratio of organic chemical to chemical linker is about 4:1 to 1:4.Type: GrantFiled: May 5, 2000Date of Patent: March 6, 2001Assignee: Colgate-Palmolive CompanyInventors: Michele Davister, Guy Broze, Patrick Durbut, Hoai-Chau Cao, Thomas Connors, John Labows, Anne-Marie Misselyn
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Patent number: 6197732Abstract: A composition comprising: an organic chemical having a chemical group having a dipole moment of at least about 1.5 Debyes and a chemical linker selected from the group consisting of carboxylic acids having 4 to 6 carbon atoms, an ethoxylated polyhydric alcohol, a polyvinyl pyrrolidone and a polyethylene glycol having a molecular weight of about 600 to about 10,000, wherein the molar ratio of organic chemical to chemical linker is about 4:1 to 1:4.Type: GrantFiled: May 5, 2000Date of Patent: March 6, 2001Assignee: Colgate-Palmolive Co.Inventors: Michele Davister, Guy Broze, Patrick Durbut, Hoai-Chau Cao, Thomas Connors, John Labows, Anne-Marie Misselyn
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Patent number: 6172032Abstract: A composition comprising: an organic chemical having a chemical group having a dipole moment of at least about 1.5 Debyes and a chemical linker selected from the group consisting of carboxylic acids having 4 to 6 carbon atoms, an ethoxylated polyhydric alcohol, a polyvinyl pyrrolidone and a polyethylene glycol having a molecular weight of about 600 to about 10,000, wherein the molar ratio of organic chemical to chemical linker is about 4:1 to 1:4.Type: GrantFiled: November 17, 1999Date of Patent: January 9, 2001Assignee: Colgate-Palmolive CoInventors: Michele Davister, Guy Broze, Patrick Durbut, Hoai-Chau Cao, Anne-Marie Misselyn, Thomas Connors, John Labows
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Patent number: 6150321Abstract: A composition comprising: an organic chemical having a chemical group having a dipole moment of at least about 1.5 Debyes and a chemical linker selected from the group consisting of carboxylic acids having 4 to 6 carbon atoms, an ethoxylated polyhydric alcohol, a polyvinyl pyrrolidone and a polyethylene glycol having a molecular weight of about 600 to about 10,000, wherein the molar ratio of organic chemical to chemical linker is about 4:1 to 1:4.Type: GrantFiled: December 16, 1998Date of Patent: November 21, 2000Assignee: Colgate-Palmolive Co.Inventors: Michele Davister, Guy Broze, Patrick Durbut, Hoai-Chau Cao, Thomas Connors, John Labows, Anne-Marie Misselyn
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Patent number: 6025316Abstract: Detergent composition are disclosed which are formulated for use in wash water over a wide range of pH in the washing bath. The compositions contain an anionic surfactant, optionally in combination with a nonionic surfactant with optimal builders and enzymes, and also contain at least one water soluble organic polymer, such as polyethylene glycol, which is miscible with or soluble in the surfactant. The presence of the water soluble polymer leads to enhanced fabric cleaning performance.Type: GrantFiled: December 29, 1997Date of Patent: February 15, 2000Assignee: Colgate-Palmolive Co.Inventors: Hoai-Chau Cao, Marie-Christine Houben, Patricia Pagnoul, Patrick Durbut, Guy Broze, Anne-Marie Misselyn
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Patent number: 6020301Abstract: A composition comprising: an organic chemical having a chemical group having a dipole moment of at least about 1.5 Debyes and a chemical linker selected from the group consisting of carboxylic acids having 4 to 6 carbon atoms, an ethoxylated polyhydric alcohol, a polyvinyl pyrrolidone and a polyethylene glycol having a molecular weight of about 600 to about 10,000, wherein the molar ratio of organic chemical to chemical linker is about 4:1 to 1:4.Type: GrantFiled: June 17, 1999Date of Patent: February 1, 2000Assignee: Colgate Palmolive CompanyInventors: Michele Davister, Guy Broze, Patrick Durbut, Hoai-Chau Cao, Thomas Connors, John Labows, Anne-Marie Misselyn
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Patent number: 5972869Abstract: A mildly acidic laundry detergent composition is provided for the improved protection of fine fabrics during washing and enhanced removal of generated foam during rinsing in hand wash comprising:a) at least one anionic surfactant; and/orb) at least one nonionic surfactant;c) a rinse-active, pH-sensitive foam control agent comprising a fatty acid; whereby the fatty acid foam control agent remains substantially in acid form at the mildly acidic pH of the wash water so as to be essentially inoperative to suppress foam during washing, and whereby upon rinsing of the laundry with tap water having a pH of from about 7.5 to 8.5 at least of portion of said fatty acid is converted to a soap which functions to suppress foam during rinsing.Type: GrantFiled: December 17, 1996Date of Patent: October 26, 1999Assignee: Colgate-Palmolive CoInventors: Hoai-Chau Cao, Marie-Christine Houben, Patricia Pagnoul
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Patent number: 5955407Abstract: A composition comprising: an organic chemical having a chemical group having a dipole moment of at least about 1.5 Debyes and a chemical linker selected from the group consisting of carbovlic acids having 4 to 6 carbon atoms, an ethoxylated polyhydric alcohol, a polyvinyl pyrrolidone and a polyethylene glycol having a molecular weight of about 600 to about 10,000, wherein the molar ratio of organic chemical to chemical linker is about 4:1 to 1:4.Type: GrantFiled: October 1, 1998Date of Patent: September 21, 1999Assignee: Colgate-Palmolive Co.Inventors: Michele Davister, Guy Broze, Patrick Durbut, Hoai-Chau Cao, Thomas Connors, John Labows, Anne-Marie Misselyn
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Patent number: 5948745Abstract: Detergent compositions are disclosed which are formulated for use in wash water over a wide range of pH in the washing bath. The compositions contain a surfactant mixture comprised of an anionic surfactant and an amphoteric surfactant optionally further including a nonionic surfactant with optional builders and enzymes, and also contain at least one water soluble organic polymer, such as polyethylene glycol, which is miscible with or soluble in the surfactant mixture. The presence of the water soluble polymer leads to enhanced fabric cleaning performance.Type: GrantFiled: December 29, 1997Date of Patent: September 7, 1999Assignee: Colgate-Palmolive Co.Inventors: Hoai-Chau Cao, Marie-Christine Houben, Patricia Pagnoul, Patrick Durbut, Guy Broze, Anne-Marie Misselyn
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Patent number: 5922664Abstract: Aqueous detergent concentrates containing a mixture of two or more surfactants having a differing resistance to electrolytic salting out in the form of micellar solutions and having pourable viscosities are converted into lamellar solutions upon dilution with water where the dispersion contains a viscosity promoting electrolyte present at a narrow range of concentration. Transformation from the micellar phase to the lamellar phase produces an increase in viscosity such that the diluted concentrate has a viscosity equal to or higher than the viscosity of the original concentrate.Type: GrantFiled: May 6, 1997Date of Patent: July 13, 1999Assignee: Colgate-Palmolive Co.Inventors: Hoai-Chau Cao, Patricia Pagnoul
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Patent number: 5854194Abstract: A composition comprising: an organic chemical having a chemical group having a dipole moment of at least about 1.5 Debyes and a chemical linker selected from the group consisting of carboxylic acids having 4 to 6 carbon atoms, an ethoxylated polyhydric alcohol, a polyvinyl pyrrolidone and a polyethylene glycol having a molecular weight of about 600 to about 10,000, wherein the molar ratio of organic chemical to chemical linker is about 4:1 to 1:4.Type: GrantFiled: December 12, 1996Date of Patent: December 29, 1998Assignee: Colgate-Palmolive Co.Inventors: Michele Davister, Guy Broze, Patrick Durbut, Hoai-Chau Cao, Thomas Connors, John Labows, Anne-Marie Misselyn
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Patent number: 5733560Abstract: A composition comprising: an organic chemical Which has a chemical group having a dipole moment of at least about 1.5 and a chemical linker composition which is an ethoxylated glycerol type compound and, optionally, a compound selected from the group consisting of carboxylic acids having 4 to 6 carbon atoms, a polyvinyl pyrrolidone and a polyethylene glycol having a molecular weight of about 600 to about 10,000, wherein the molar ratio of organic chemical to the chemical linker composition is about 4:1 to 1:4.Type: GrantFiled: December 12, 1996Date of Patent: March 31, 1998Assignee: Colgate-Palmolive CompanyInventors: Michele Davister, Guy Broze, Patrick Durbut, Hoai-Chau Cao, Thomas Connors, John Labows, Anne-Marie Misselyn