Patents by Inventor Isabelle Rollat

Isabelle Rollat 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).

  • Patent number: 6520186
    Abstract: A reshapable hair styling composition comprising at least one silicon-containing polycondensate chosen from polyurethanes, polyureas, and polyurethane-ureas, such as a polycondensate that is functionalized with at least one hydrolyzed or hydrolyzable silyl group, wherein said composition provides a reshapable effect.
    Type: Grant
    Filed: January 26, 2001
    Date of Patent: February 18, 2003
    Assignee: L'Oreal
    Inventors: Isabelle Rollat, Henri Samain
  • Patent number: 6517821
    Abstract: A reshapable hair styling composition comprising, in a cosmetic vehicle appropriate for hair, at least one sulfonated polyurethane urea obtained by reacting: (a) at least one sulfonated polyol, (b) at least one non-sulfonated polyol, (c) at least one polyisocyanate selected from aliphatic and cycloaliphatic polyisocyanates, and (d) excess water, wherein the sulfonated polyurethane urea has been chain-extended.
    Type: Grant
    Filed: July 27, 2000
    Date of Patent: February 11, 2003
    Assignee: L'Oreal
    Inventors: Isabelle Rollat, Henri Samain
  • Publication number: 20030017128
    Abstract: A reshapable hair styling composition comprising at least one (meth)acrylic copolymer comprising: (a) units derived from at least one monomer chosen from (meth)acrylate esters of branched and straight chain alkyl alcohols, (b) units derived from at least one monomer chosen from (meth)acrylate esters of saturated and unsaturated cyclic alcohols containing 6 to 20 carbon atoms, (c) optionally units derived from at least one monomer chosen from hydrophilic monomers, and (d) optionally units derived from at least one monomer other than (a), (b), and (c) monomers, wherein said at least one (meth)acrylic copolymer comprises units derived from at least four different monomers and wherein said composition provides a reshapable effect.
    Type: Application
    Filed: June 22, 2001
    Publication date: January 23, 2003
    Inventors: Isabelle Rollat, Henri Samain, Olivier Morel
  • Publication number: 20030017125
    Abstract: A reshapable hair styling composition comprising heterogeneous (meth)acrylic copolymer particles, said particles being the same or different and comprising at least one (meth)acrylic copolymer comprising: (a) units derived from at least one monomer chosen from (meth)acrylate esters of branched and straight chain alkyl alcohols, (b) units derived from at least one monomer chosen from (meth)acrylate esters of saturated and unsaturated cyclic alcohols containing 6 to 20 carbon atoms, (c) optionally units derived from at least one monomer chosen from hydrophilic monomers, and (d) optionally units derived from at least one monomer other than (a), (b), and (c) monomers, wherein said composition provides a reshapable effect.
    Type: Application
    Filed: June 22, 2001
    Publication date: January 23, 2003
    Inventors: Isabelle Rollat, Henri Samain, Ollvier Morel
  • Publication number: 20020147268
    Abstract: A reshapable hair styling composition comprising at least one silicon-containing polycondensate chosen from polyurethanes, polyureas, and polyurethane-ureas, such as a polycondensate that is functionalized with at least one hydrolyzed or hydrolyzable silyl group, wherein said composition provides a reshapable effect.
    Type: Application
    Filed: January 26, 2001
    Publication date: October 10, 2002
    Inventors: Isabelle Rollat, Henri Samain
  • Publication number: 20020127193
    Abstract: The present invention relates to a deodorant composition, in particular a cosmetic composition, comprising, as odor-absorbing agent, at least one water-soluble zinc salt, and preferably zinc pyrrolidonecarboxylate, to the use of the composition for the manufacture of cosmetic products intended for human topical application, in particular deodorants, to a process for treating human axillary smells, and to the use of a water-soluble zinc salt as, preferably sole, an odor-absorbing agent in a deodorant composition.
    Type: Application
    Filed: May 2, 2001
    Publication date: September 12, 2002
    Applicant: L'OREAL
    Inventors: Jean-Marc Ascione, Serge Forestier, Isabelle Rollat-Corvol
  • Patent number: 6432385
    Abstract: Cosmetic compositions comprising at least one film-forming polymer, in a cosmetically acceptable medium, wherein said at least one film-forming polymer has, at the polymer concentration of the composition, a mechanical profile, measured in an aqueous-alcoholic medium comprising 20% by volume of ethanol, defined by at least: (i) an attachment angle &agr; of greater than 47°, and (ii) if &agr; is greater than or equal to 90°, a maximum detachment force Fmax<5 newtons.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: August 13, 2002
    Assignee: L'Oreal, S.A.
    Inventors: Isabelle Rollat-Corvol, Henri Samain
  • Patent number: 6432386
    Abstract: Cosmetic compositions comprising, in a cosmetically acceptable medium: (1) at least one film-forming polymer (A), wherein a film obtained by drying a mixture of said polymer (A) with ethanol or water, at room temperature and at a relative humidity of 50%, has a mechanical profile defined by at least: (i) a degree of elongation at break (&egr;r) of greater than or equal to 300%; (ii) a recovery at 300 seconds (R300) of greater than or equal to 45%; and (iii) if the recovery at 300 seconds (R300) is from 45% to 60%, then the elongation at break is less than or equal to 1300%; and (2) at least one crosslinked thickening polymer (B) comprising at least one (meth)acrylic acid monomeric, wherein said at least one polymer (B) is present in the composition in an amount ranging from at least 0.6% by weight, relative to the total weight of the composition.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: August 13, 2002
    Assignee: L'Oreal, S.A.
    Inventors: Isabelle Rollat-Corvol, Pascale Cothias
  • Patent number: 6346238
    Abstract: The present invention relates to a deodorant composition, in particular a cosmetic composition, comprising, as odor-absorbing agent, at least one water-soluble zinc salt, and preferably zinc pyrrolidonecarboxylate, to the use of the composition for the manufacture of cosmetic products intended for human topical application, in particular deodorants, to a process for treating human axillary smells, and to the use of a water-soluble zinc salt as, preferably sole, an odor-absorbing agent in a deodorant composition. The composition is particularly intended for formulations comprising an aqueous phase: aqueous lotions, emulsions and preferably water-in-silicone emulsions.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: February 12, 2002
    Assignee: L'Oreal
    Inventors: Jean-Marc Ascione, Serge Forestier, Isabelle Rollat-Corvol
  • Patent number: 6346234
    Abstract: The invention concerns a hairstyling composition capable of being remodelled for keratin fibers in particular hair, containing in an appropriate cosmetic vehicle at least a polymer selected such that the composition, after being applied on the fibers and dried, provides a hairstyling substance having a glass temperature (Tg) less than +10° C. and a separation profile defined by at least: (a) a maximum separation force Fmax>1 Newton and (b) when said glass temperature Tg is less than −15° C., by a separation energy Es(M/V) of the substance contacted with a glass surface, less than 300 &mgr;J. The invention also concerns an aerosol device containing this composition and a method for treating keratin fibers such as hair, in particular a method for fixing and/or maintaining the hairstyle using said composition.
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: February 12, 2002
    Assignee: L'Oreal, S.A.
    Inventors: Isabelle Rollat, Christine Dupuis, Henri Samain
  • Patent number: 6001342
    Abstract: A deodorant composition comprising at least one polymer selected from dendrimers containing terminal groups bearing a primary amine function, the use of these deodorant compositions for human topical application, and the use of selected dendrimers as deodorant active agents.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: December 14, 1999
    Assignee: L'Oreal
    Inventors: Serge Forestier, Isabelle Rollat-Corvol
  • Patent number: 5849308
    Abstract: The use of alkyl N-(hydroxyalkyl)carbamates in a cosmetic or pharmaceutical composition provided in the form of an aqueous lotion, a gel, an emulsion, a cream, a foam or a paste.
    Type: Grant
    Filed: September 28, 1995
    Date of Patent: December 15, 1998
    Assignee: L'Oreal
    Inventors: Jean-Marc Ascione, Eric Bollens, Claude Mahieu, Michel Philippe, Isabelle Rollat-Corvol