Patents by Inventor Darshna Bhatt
Darshna Bhatt 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).
-
Publication number: 20040047830Abstract: A shaving cream composition and method is provided wherein the cream composition is packaged in an aerosol dispenser and includes a propellant system of dimethyl ether and hydrocarbon, an anionic surfactant, a fatty alcohol and a hydrophobic emollient. Total weight ratio of all hydrophobic emollients to all anionic surfactants ranges from about 50:1 to greater than about 1:1. An improved shaving experience is achieved through use of the dimethyl ether/hydrocarbon propellant, fatty alcohol and high level of hydrophobic emollient.Type: ApplicationFiled: April 16, 2003Publication date: March 11, 2004Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.Inventors: Jessica Weiss Goldberg, Michael Massaro, Darshna Bhatt
-
Publication number: 20020071811Abstract: Hair spray compositions containing a carboxylated polyurethane resin, and having a low volatile organic content, are disclosed. The compositions have a low viscosity, and can be applied as a pump spray or as an aerosol, to hold the hair and impart excellent hair set retention properties. The hair spray compositions can be used with a curling iron or a blow dryer to style the hair.Type: ApplicationFiled: October 29, 2001Publication date: June 13, 2002Applicant: Helene Curtis, Inc.Inventors: Darshna Bhatt, Ramiro Galleguillos, Ken Nelson, Murray H. Reich
-
Patent number: 6350434Abstract: Hair spray compositions containing a carboxylated polyurethane resin, and having a low volatile organic content, are disclosed. The compositions have a low viscosity, and can be applied as a pump spray or as an aerosol, to hold the hair and impart excellent hair set retention properties. The hair spray compositions can be used with a curling iron or a blow dryer to style the hair.Type: GrantFiled: November 9, 1999Date of Patent: February 26, 2002Assignee: Helene Curtis, Inc.Inventors: Darshna Bhatt, Ramiro Galleguillos, Ken Nelson, Murray H. Reich
-
Publication number: 20020004035Abstract: Hair styling gels containing a carboxylated polyurethane resin, a viscosity enhancer, and an optional second hair fixative resin, in an aqueous carrier, are disclosed. The styling gel compositions impart excellent hair styling, conditioning, and hair set retention properties to treated hair.Type: ApplicationFiled: July 2, 2001Publication date: January 10, 2002Applicant: Helene Curtis, Inc.Inventors: Darshna Bhatt, Riaz Rizvi, Ramiro Galleguillos
-
Patent number: 6284225Abstract: Foaming propellant compositions for use in hair mousse compositions described. These compositions contain hydrofluorocarbon 152A and a suitable hydrocarbon in a ratio of about 30 to 70; to about 50 to 50; more preferably about 40 to 60. These compositions comprise the hydrofluorocarbon 152A; and a hydrocarbon, selected from the group consisting of propane, isobutane, and n-butane in the above recited ratios. The above propellant mixture is about 4 to 9 wt. % of total foaming, hair care composition.Type: GrantFiled: July 15, 1998Date of Patent: September 4, 2001Assignee: Helene Curtis, Inc.Inventors: Darshna Bhatt, Arun Nandagiri, Jitendra Patel
-
Patent number: 6274129Abstract: Hair styling gels containing a carboxylated polyurethane resin, a viscosity enhancer, and an optional second hair fixative resin, in an aqueous carrier, are disclosed. The styling gel compositions impart excellent hair styling, conditioning, and hair set retention properties to treated hair.Type: GrantFiled: June 20, 2000Date of Patent: August 14, 2001Assignee: Helene Curtis, Inc.Inventors: Darshna Bhatt, Riaz Rizvi, Ramiro Galleguillos
-
Patent number: 6132704Abstract: Hair styling gels containing a carboxylated polyurethane resin, a viscosity enhancer, and an optional second hair fixative resin, in an aqueous carrier, are disclosed. The styling gel compositions impart excellent hair styling, conditioning, and hair set retention properties to treated hair.Type: GrantFiled: September 20, 1996Date of Patent: October 17, 2000Assignee: Helene Curtis, Inc.Inventors: Darshna Bhatt, Riaz Rizvi, Ramiro Galleguillos
-
Patent number: 6113881Abstract: A hair styling mousse composition comprising:(a) about 0.25% to about 6% by weight of a carboxylated polyurethane resin;(b) about 0% to about 6% by weight of a second hair fixative resin;(c) about 0% to about 20% by weight of a lower alcohol; and(d) about 70% to about 90% by weight water;wherein the carboxylated polyurethane resin has a weight average molecular weight of 10,000 to about 150,000 is disclosed.Type: GrantFiled: September 20, 1996Date of Patent: September 5, 2000Assignee: Helene Curtis, Inc.Inventors: Darshna Bhatt, Ramiro Galleguillos
-
Patent number: 6106808Abstract: A hair spray composition comprising:(a) about 0.25% to about 6% by weight of a carboxylated polyurethane resin;(b) 0% to about 6% by weight of a second hair fixative resin;(c) 0% to about 80% by weight of an alcohol; and(d) about 15% to about 99% by weight water,wherein the carboxylated polyurethane resin has a weight average molecular weight of about 10,000 to about 25,000, and is a reaction product of a mixture comprising:(i) about 10% to about 90% by weight of the mixture of a polyoxyalkylene diol having a number average molecular weight of about 400 to about 20,000;(ii) about 0.01% to about 20% by weight of the mixture of an alkylene glycol;(iii) about 3% to about 80% by weight of the mixture of an organic diisocyanate;(iv) about 0.1% to about 12% by weight of the mixture of a 2,2-di(hydroxymethyl)-alkanoic acid; and(v) about 0.1% to about 0.5% by weight of the mixture of water,wherein a ratio of isocyanate groups to hydroxyl groups is about 0.55 to about 0.75 is disclosed.Type: GrantFiled: September 20, 1996Date of Patent: August 22, 2000Assignee: Helene Curtis, Inc.Inventors: Darshna Bhatt, Ramiro Galleguillos
-
Patent number: 6106809Abstract: A hair spray composition comprising:(a) about 0.25% to about 6% by weight of a carboxylated polyurethane resin;(b) about 0.25% to about 6% by weight of a second hair fixative resin;(c) about 0% to about 80% by weight of an alcohol; and(d) about 15% to about 95% by weight water,wherein the carboxylated polyurethane resin has a weight average molecular weight of about 10,000 to about 80,000.Type: GrantFiled: September 20, 1996Date of Patent: August 22, 2000Assignee: Helene Curtis, Inc.Inventors: Darshna Bhatt, Ramiro Galleguillos
-
Patent number: 6056946Abstract: In brief, the present invention is directed to a method for conditioning hair which comprises:(a) applying to hair a leave-on composition comprising:(1) a nonvolatile, silicone conditioning agent;(2) a resin; and(3) a carrier;(b) applying heat via a heating appliance to the composition treated hair to dry or style the hair and wherein a reduction in the bending modulus caused by the silicone conditioning agent is at least 1.00%, even when offset by an increase in bending modulus caused by the presence of a resin, and wherein the method of the invention results in the deposition on the hair of at least 30 ug silicone/1 g of hair.Type: GrantFiled: October 3, 1997Date of Patent: May 2, 2000Assignee: Helene Curtis, Inc.Inventors: Joanne Crudele, Darshna Bhatt, Kimberly Kamis, Pawel Milczarek
-
Patent number: 6007793Abstract: A hair spray composition comprising:(a) about 0.25% to about 6% by weight of a carboxylated polyurethane resin;(b) 0% to about 80% by weight of an alcohol; and(c) about 15% to about 95% by weight water,wherein the carboxylated polyurethane resin has a weight average molecular weight of about 15,000 to about 150,000, and is a reaction product of a mixture comprising:(i) about 10% to about 90% by weight of the mixture of a polyoxyalkylene diol having a number average molecular weight of about 400 to about 20,000;(ii) about 0.01% to about 20% by weight of the mixture of an alkylene glycol;(iii) about 3% to about 80% by weight of the mixture of an organic diisocyanate;(iv) about 0.1% to about 30% by weight of the mixture of a 2,2-di (hydroxymethyl)-alkanoic acid; and(v) about 0.001% to about 0.95% by weight of the mixture of water, wherein a ratio of isocyanate groups to hydroxyl groups is about 0.4 to about 1.1.Type: GrantFiled: September 20, 1996Date of Patent: December 28, 1999Assignee: Helene Curtis, Inc.Inventors: Darshna Bhatt, Ramiro Galleguillos, Ken Nelson, Murray H. Reich
-
Patent number: 5639448Abstract: A method of thermally setting hair including the sequential steps of:(a) applying a thermoplastic polyester fixative resin composition, having a pH less than about 5, to the hair prior to configuring the hair in a desired configuration;(b) contacting the hair with a thermal appliance to heat the applied polyester to its glaze transition temperature;(c) configuring the hair while the polyester is at a temperature of at least its glass transition temperature; and(d) cooling the polyester to a temperature below its glass transition temperature while the hair is in the desired configuration to harden the polyester in the shape of the configured hair. Preferably, the thermoplastic polyester fixative resin includes a plurality of neutralized sulfonate moieties, and has a glass transition temperature below about 120.degree. C., and is solubilized or dispersed in water in an amount of about 0.1% to about 20%.Type: GrantFiled: May 11, 1994Date of Patent: June 17, 1997Assignee: Helene Curtis, Inc.Inventors: Ramiro Galleguillos, Darshna Bhatt
-
Patent number: 5164177Abstract: An aqueous aerosol or non-aerosol hair styling aid or mousse composition, and method, including a water-soluble or water-dispersable fixative resin in an amount of about 2% to about 40% by weight of the compositon, particularly about 2% to about 15% by weight of the composition; an electrolyte; water in an amount of about 30% to about 90% by weight of the composition; alcohol in an amount of 0% to about 30% by weight; and, with the aerosol compositions, a liquefied propellant gas, such as dimethyl ether, in an amount of about 5% to about 50% based on the total weight of the aerosol composition.Type: GrantFiled: June 18, 1991Date of Patent: November 17, 1992Assignee: Helene Curtis, Inc.Inventors: Darshna Bhatt, Ramiro Galleguillos