Patents by Inventor Herve Plessix

Herve Plessix 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-Photoprotective cosmetic compositions comprising polymer particulates/fatty phases having unique refractive indices
    Patent number: 5932194
    Abstract: Topically applicable cosmetic/dermatological composition well suited for improved photoprotection of human keratinous substrates, for example human skin and/or hair, comprise (a) an aqueous phase, (b) at least one fatty phase having a refractive index n.sub.1, (c) an effective UV-photoprotecting amount of at least one water-soluble UV-screening active agent, and (d) particulates of at least one non-film- forming polymer having a refractive index n.sub.2, and the refractive indices n.sub.1, and n.sub.2 being selected such that:.vertline.n.sub.2 -n.sub.1 .vertline..ltoreq.0.07.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: August 3, 1999
    Assignee: Societe L'Oreal S.A.
    Inventors: Herve Plessix, Jean Mondet, Jean de Rigal
  • Benzalmalonate/phenylcyanoacrylate-substituted s-triazine compounds and photoprotective/cosmetic compositions comprised thereof
    Patent number: 5928630
    Abstract: Photoprotective/cosmetic compositions well suited for enhanced photoprotection of human skin and/or hair, as well as of a wide variety of other photosensitive materials and substrates, e.g., inorganic or organic glasses, plastics or the like, against the deleterious effects of UV-A and UV-B irradiation, particularly solar radiation, comprise a photoprotecting effective amount of a novel insoluble benzalmalonate/phenylcyanoacrylate-substituted s-triazine compound having the structural formula (I): ##STR1## in which R.sub.1, R.sub.1 ' and R.sub.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: July 27, 1999
    Assignee: Societe L' Oreal S.A.
    Inventors: Herve Richard, Madeleine Leduc, Alain LaGrange, Herve Plessix
  • Benzalmalonatae/phenylcyanoacrylate-substituted S-triazine compounds
    Patent number: 5849909
    Abstract: Photoprotective/cosmetic compositions well suited for enhanced photoprotection of human skin and/or hair, as well as of a wide variety of other photosensitive materials and substrates, e.g., inorganic or organic glasses, plastics or the like, against the deleterious effects of UV-A and UV-B irradiation, particularly solar radiation, comprise a photoprotecting effective amount of a novel insoluble benzalmalonate/phenylcyanoacrylate-substituted s-triazine compound having the structural formula (I): ##STR1## in which R.sub.1, R.sub.1 ' and R.sub.
    Type: Grant
    Filed: February 12, 1997
    Date of Patent: December 15, 1998
    Assignee: Societe L'Oreal S.A.
    Inventors: Herve Richard, Madeleine Leduc, Alain Lagrange, Herve Plessix