Patents by Inventor Didier Candau

Didier Candau 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).

  • UV-photostabilized sunscreen compositions comprising dibenzoylmethane/benzophenone compounds
    Patent number: 6699461
    Abstract: Topically applicable cosmetic/dermatological sunscreen compositions well suited for the stable UV-photoprotection of human skin and/or hair are devoid of any p-methylbenzylidenecamphor, but contain (a) an effective photoprotecting amount of at least one UV-screening dibenzoylmethane compound, and (b) an effective photostabilizing amount of at least on UV-screening amino-substituted 2-hydroxybenzophenone compound having the following structural formula (I): formulated into (c) a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor.
    Type: Grant
    Filed: December 9, 2002
    Date of Patent: March 2, 2004
    Assignee: Societe L'Oreal S.A.
    Inventor: Didier Candau
  • Photoprotective UV-screening compositions comprising triazine/dibenzoylmethane/diarylbutadiene compounds
    Publication number: 20040028626
    Abstract: Topically applicable, photostable cosmetic/dermatological UV-screening compositions suited for photoprotecting the skin and the hair, comprise (a) at least one UV-screening dibenzoylmethane compound, (b) at least one UV-screening 1,3,5-triazine compound that is photosensitive in the presence of a dibenzoylmethane compound, and (c) a 1,3,5-triazine photostabilizing amount of at least one 4,4-diarylbutadiene compound, formulated into a topically applicable, cosmetically/dermatologically acceptable support therefor; the weight ratio of the 4,4-diarylbutadiene compound(s) to the dibenzoylmethane compound(s) is characteristically greater than 2.5 and the subject compositions are advantageously devoid of any cinnamate sunscreen.
    Type: Application
    Filed: June 18, 2003
    Publication date: February 12, 2004
    Applicant: SOCIETE L'OREAL S.A.
    Inventor: Didier Candau
  • Cosmetic/dermatological compositions comprising a tetrahydrocurcuminoid and an amide oil
    Publication number: 20040009200
    Abstract: The invention relates to a cosmetic or dermatological composition containing a carrier comprising at least one fatty phase characterized in that it contains at least one derivative or a mixture of derivatives of 1,7-diphenyl-3,5-heptanedione having a particular structure and at least one oil having, in its structure, at least one amide unit.
    Type: Application
    Filed: March 28, 2003
    Publication date: January 15, 2004
    Applicant: SOCIETE L'OREAL S.A.
    Inventors: Nathalie Seyler, Cecile Fiandino, Didier Candau
  • Self-tanning composition containing a tetrahydrocurcuminoid and a self-tanning agent
    Publication number: 20030228268
    Abstract: The present invention relates to a cosmetic and/or dermatological composition more particularly intended for artificially tanning and/or browning the skin and comprising, in a cosmetically acceptable support, at least one derivative or a mixture of derivatives of 1,7-bisphenyl heptane-3,5-dione of particular structure and at least one self-tanning agent.
    Type: Application
    Filed: March 28, 2003
    Publication date: December 11, 2003
    Applicant: SOCIETE L'OREAL S.A.
    Inventor: Didier Candau
  • Stable/improvedly self-tanning compositions comprising amino-substituted 2-hydroxybenzophenone compounds
    Patent number: 6635239
    Abstract: Topically applicable cosmetic/dermatological self-tanning compositions well suited for enhancing the coloration imparted by and/or the stabilizing of the self-tanning agent, contain (i) an effective amount of at least one artificial/sunless tanning agent, and (ii) an effective stabilizing/enhancedly self-tanning amount of at least one amino-substituted 2-hydroxybenzophenone compound having the following structural formula (I): formulated into (iii) a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor.
    Type: Grant
    Filed: December 9, 2002
    Date of Patent: October 21, 2003
    Assignee: Societe l'Oreal S.A.
    Inventor: Didier Candau
  • Synergistically UV-photoprotecting compositions comprising mixed screening agents
    Patent number: 6627180
    Abstract: Topically applicable cosmetic/dermatological sunscreen compositions well suited for the enhanced UV-photoprotection of human skin and/or hair contain synergistically UV-APPD-enhancing amounts of (a) particulates of at least one insoluble organic UV-screening agent having a particle size ranging from 10 nm to 5 &mgr;m, and (b) at least one UV-screening amino-substituted 2-hydroxybenzophenone compound having the following structural formula (I): formulated into (c) a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor.
    Type: Grant
    Filed: December 9, 2002
    Date of Patent: September 30, 2003
    Assignee: Societe L'Oreal S.A.
    Inventor: Didier Candau
  • Synergistically UV-photoprotecting mixed sunscreen compositions
    Patent number: 6627179
    Abstract: Topically applicable cosmetic/dermatological sunscreen composition well suited for the enhanced UV-photoprotection of human skin and/or hair, contain synergistically UV-APPD-enhancing amounts of (i) at least one UV-screening silicon compound having a benzotriazole functional group substituent, (ii) at least one UV-screening dibenzoylmethane compound, and (iii) at least one UV-screening amino-substituted 2-hydroxybenzophenone compound having the following structural formula (III): formulated into (iv) a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor.
    Type: Grant
    Filed: December 9, 2002
    Date of Patent: September 30, 2003
    Assignee: Societe L'Oreal S.A.
    Inventor: Didier Candau
  • Artificial tanning emulsions comprising sorghum extracts/organomodified silicones
    Publication number: 20030181533
    Abstract: Topically applicable, cosmetic/dermatological artificial tanning emulsions devoid of certain flavylium salts include (a) at least one aqueous phase and (b) at least one fatty phase, (c) an effective artificial tanning amount of at least one sorghum extract, and (d) at least one organomodified silicone.
    Type: Application
    Filed: January 9, 2003
    Publication date: September 25, 2003
    Inventors: Nathalie Seyler, Irene Elguidj, Didier Candau
  • UV-photostabilized sunscreen compositions comprising dibenzoylmethane/triazine/benzophenone compounds
    Publication number: 20030180230
    Abstract: Topically applicable cosmetic/dermatological sunscreen compositions well suited for the stable UV-photoprotection of human skin and/or hair, are devoid of any p-methylbenzylidenecamphor, but which contain (a) an effective photoprotecting amount of at least one UV-sunscreening dibenzoylmethane compound, (b) an effective photoprotecting amount of at least one UV-screening 1,3,5-triazine compound normally photosensitive in the presence of a dibenzoylmethane compound (a), and (c) an effective photostabilizing amount of at least one UV-screening amino-substituted 2-hydrozybenzophenone compound having the following structural formula (VIII): 1
    Type: Application
    Filed: December 9, 2002
    Publication date: September 25, 2003
    Inventor: Didier Candau
  • Self-tanning composition containing an N-acyl amino acid ester and a self-tanning agent
    Patent number: 6616918
    Abstract: The invention relates to cosmetic and/or dermatological compositions more particularly intended for artificially tanning and/or browning the skin, comprising, in a cosmetically acceptable support, at least one self-tanning agent and at least one N-acyl amino acid ester. The invention also relates to a cosmetic treatment process for artificially tanning and/or browning the skin, comprising applying to the skin an effective amount of the cosmetic and/or dermatological composition. The invention also relates to the use of an N-acyl amino acid ester with the aim of improving the coloration and/or stability of a self-tanning agent in a composition for artificially tanning and/or browning the skin.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: September 9, 2003
    Assignee: L'Oreal
    Inventor: Didier Candau
  • Dibenzoylmethane sunscreen compositions containing photostabilizing amounts of tri-substituted butane compounds
    Patent number: 6616919
    Abstract: Improvedly photostable UV-photoprotecting cosmetic/dermatological compositions for the skin and/or the hair contain (a) a UV-photoprotective amount of at least one dibenzoylmethane sunscreen, e.g., 4-(tert-butyl)-4′-methoxydibenzoylmethane or 4-isopropyldibenzoylmethane, advantageously (a′) a UV-photoprotective amount of at least one 1,3,5-triazine sunscreen, e.g., 2-[(p-(tert-butylamido]-4,6-bis[(p-(2′ethylhexyl-1′-oxycarbonyl)anilino]-1,3,5-triazine or 2,4,6-tris[p-(2′-ethylhexyl-1′-oxycarbonyl)anilino]-1,3,5-triazine, (b) an effective sunscreen photostabilizing amount of 1,1,1-tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane, formulated into (c) a topically applicable, cosmetically acceptable vehicle, diluent or carrier therefor.
    Type: Grant
    Filed: August 27, 2002
    Date of Patent: September 9, 2003
    Assignee: Societe l'Oreal S.A.
    Inventors: Didier Candau, Fabien Aubert
  • UV-photostabilized sunscreen compositions comprising dibenzoylmethane/benzophenone compounds
    Publication number: 20030161793
    Abstract: Topically applicable cosmetic/dermatological sunscreen compositions well suited for the stable UV-photoprotection of human skin and/or hair are devoid of any p-methylbenzylidenecamphor, but contain (a) an effective photoprotecting amount of at least one UV-screening dibenzoylmethane compound, and (b) an effective photostabilizing amount of at least on UV-screening amino-substituted 2-hydroxybenzophenone compound having the following structural formula (I): 1
    Type: Application
    Filed: December 9, 2002
    Publication date: August 28, 2003
    Inventor: Didier Candau
  • Synergistically UV-photoprotecting sunscreen compositions comprising camphorsulfonic acid/benzophenone compounds
    Publication number: 20030161794
    Abstract: Topically applicable cosmetic/dermatological sunscreen compositions well suited for the enhanced UV-photoprotection of human skin and/or hair, contain synergistically SPF-enhancing amounts of (a) benzene-1,4-di(3-methylidene-10-camphorsulfonic acid), optionally in partially or completely neutralized state, and (b) at least one amino-substituted 2-hydroxybenzophenone compound having the following structural formula (I): 1
    Type: Application
    Filed: December 9, 2002
    Publication date: August 28, 2003
    Inventor: Didier Candau
  • SYNERGISTICALLY UV-PHOTOPROTECTING MIXED SUNSCREEN COMPOSITIONS
    Publication number: 20030157038
    Abstract: Topically applicable cosmetic/dermatological sunscreen composition well suited for the enhanced UV-photoprotection of human skin and/or hair, contain synergistically UV-APPD-enhancing amounts of (i) at least one UV-screening silicon compound having a benzotriazole functional group substituent, (ii) at least one UV-screening dibenzoylmethane compound, and (iii) at least one UV-screening amino-substituted 2-hydroxybenzophenone compound having the following structural formula (III): 1
    Type: Application
    Filed: December 9, 2002
    Publication date: August 21, 2003
    Inventor: Didier Candau
  • SYNERGISTICALLY UV-PHOTOPROTECTING COMPOSITIONS COMPRISING MIXED SCREENING AGENTS
    Publication number: 20030152532
    Abstract: Topically applicable cosmetic/dermatological sunscreen compositions well suited for the enhanced UV-photoprotection of human skin and/or hair contain synergistically UV-APPD-enhancing amounts of (a) particulates of at least one insoluble organic UV-screening agent having a particle size ranging from 10 nm to 5 &mgr;m, and (b) at least one UV-screening amino-substituted 2-hydroxybenzophenone compound having the following structural formula (I): 1
    Type: Application
    Filed: December 9, 2002
    Publication date: August 14, 2003
    Inventor: Didier Candau
  • Artificial tanning compositions comprising sorghum extracts
    Publication number: 20030138387
    Abstract: Topically applicable, cosmetic/dermatological artificial tanning compositions devoid of certain flavylium salts contain an effective artificial tanning amount of at least one sorghum extract formulated into a topically applicable, cosmetically/dermatologically acceptable vehicle therefor.
    Type: Application
    Filed: January 9, 2003
    Publication date: July 24, 2003
    Inventors: Nathalie Seyler, Irene Elguidj, Didier Candau
  • Compositions for giving the skin a coloration similar to that of a natural tan, based on a pigment of the monascus type, and uses thereof
    Publication number: 20030133887
    Abstract: A cosmetic and/or dermatological composition that produces on the skin a long-lasting and non-covering coloration similar to that of a natural tan comprising, in a cosmetically acceptable medium, at least one pigment, which may be obtained by extraction with an organic or aqueous-organic solvent of a culture medium of micromycetes of the Monascus type, as well as the use of the composition for giving the skin a long-lasting and non-covering coloration similar to that of naturally tanned skin.
    Type: Application
    Filed: October 16, 2002
    Publication date: July 17, 2003
    Inventors: Serge Forestier, Didier Candau, Nathalie Seyler, Irene Elguidj
  • STABLE/IMPROVEDLY SELF-TANNING COMPOSITIONS COMPRISING AMINO-SUBSTITUTED 2-HYDROXYBENZOPHENONE COMPOUNDS
    Publication number: 20030129152
    Abstract: Topically applicable cosmetic/dermatological self-tanning compositions well suited for enhancing the coloration imparted by and/or the stabilizing of the self-tanning agent, contain (i) an effective amount of at least one artificial/sunless tanning agent, and (ii) an effective stabilizing/enhancedly self-tanning amount of at least one amino-substituted 2-hydroxybenzophenone compound having the following structural formula (I): 1
    Type: Application
    Filed: December 9, 2002
    Publication date: July 10, 2003
    Inventor: Didier Candau
  • Use of amphiphilic copolymers to stabilize dispersions of insoluble organic compounds for screening out UVradiation, dispersions stabilized with these copolymers and cosmetic compositions containing them
    Publication number: 20030129151
    Abstract: The invention relates to the use of at least one amphiphilic copolymer comprising at least one hydrophilic block and at least one hydrophobic block, to stabilize dispersions of insoluble organic compounds comprising at least one group that absorbs UV radiation, which is in the form of particles with a mean size of between 10 nm and 5 &mgr;m, and also to dispersions stabilized with these amphiphilic copolymers and to cosmetic compositions for topical application, in particular antisun compositions, containing them.
    Type: Application
    Filed: October 10, 2002
    Publication date: July 10, 2003
    Applicant: L'OREAL
    Inventors: Didier Candau, Fabien Aubert
  • Dibenzoylmethane sunscreen compositions containing photostablizing amounts of tri-substituted butane compounds
    Publication number: 20030124071
    Abstract: Improvedly photostable UV-photoprotecting cosmetic/dermatological compositions for the skin and/or the hair contain (a) a UV-photoprotective amount of at least one dibenzoylmethane sunscreen, e.g., 4-(tert-butyl)-4′-methoxydibenzoylmethane or 4-isopropyldibenzoylmethane, advantageously (a′) a UV-photoprotective amount of at least one 1,3,5-triazine sunscreen, e.g., 2-[(p-(tert-butylamido]-4,6-bis[(p-(2′ethylhexyl-1′-oxycarbonyl)anilino]-1,3,5-triazine or 2,4,6-tris[p-(2′-ethylhexyl-1′-oxycarbonyl)anilino]-1,3,5-triazine, (b) an effective sunscreen photostabilizing amount of 1,1,1-tris(2-methyl-4-hydroxy-5-tert-butylphenyl) butane, formulated into (c) a topically applicable, cosmetically acceptable vehicle, diluent or carrier therefor.
    Type: Application
    Filed: August 27, 2002
    Publication date: July 3, 2003
    Inventors: Didier Candau, Fabien Aubert