Patents by Inventor Quintino Gaetani

Quintino Gaetani 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: 6846940
    Abstract: Novel ceramide compounds, compositions containing them and the use of these compounds, in particular for strengthening the lipid barrier of the epidermis.
    Type: Grant
    Filed: January 21, 2003
    Date of Patent: January 25, 2005
    Assignee: L'Oreal
    Inventors: Quintino Gaetani, Christele Guey, Eric Arbey, Isabelle Castiel
  • Publication number: 20040005282
    Abstract: Novel ceramide compounds, compositions containing them and the use of these compounds, in particular for strengthening the lipid barrier of the epidermis.
    Type: Application
    Filed: January 21, 2003
    Publication date: January 8, 2004
    Applicant: L'OREAL
    Inventors: Quintino Gaetani, Christele Guey, Eric Arbey, Isabelle Castiel
  • Publication number: 20020006420
    Abstract: The invention concerns the use, as main active principle in a composition or for preparing a pharmaceutical composition, of an effective amount of at least a 2-amino-alkane polyol, or one of its derivatives for treating skin ageing signs.
    Type: Application
    Filed: March 29, 2000
    Publication date: January 17, 2002
    Inventors: MICHEL PHILIPPE, BRUNO BERNARD, QUINTINO GAETANI
  • Patent number: 5760043
    Abstract: Compositions intended for use for retarding hair loss and for inducing and stimulating its growth, containing 2-aminopyrimidine 3-oxide derivatives, and new compounds derived from 2-aminopyrimidine 3-oxide.Composition for retarding hair loss and for inducing and stimulating its growth, containing at least one compound of formula: ##STR1## where R denotes H, alkyl or a ring of formula: ##STR2## X denotes ##STR3## with: R.sub.1 and R.sub.3 denote H, alkyl, optionally substituted, alkenyl, cycloalkyl, aralkyl or aryl of formula: ##STR4## where R.sub.9 and R.sub.10 denote H, alkyl, hydroxyl, alkoxy or halogen; or form a heterocycle with the nitrogen;R.sub.3 denotes alkyl, alkenyl, cycloalkyl, aralkyl, optionally substituted phenyl;R.sub.4 is identical to R.sub.3 ;Y denotes O or --OSO.sub.3.sup..crclbar. ;R' denotes H or ##STR5## R.sub.5 and R.sub.6 are alkyl; R.sub.7 and R.sub.8 denote H or alkyl;or its physiologically acceptable addition salts with acids.
    Type: Grant
    Filed: December 18, 1996
    Date of Patent: June 2, 1998
    Assignee: L'Oreal
    Inventors: Didier Dufetel, Francoise Estradier, Quintino Gaetani, Michel Hocquaux
  • Patent number: 5610302
    Abstract: Composition for retarding hair loss and for inducing and stimulating its growth, containing at least one compound of formula: ##STR1## where R denotes H, alkyl or a ring of formula: ##STR2## X denotes ##STR3## --OR.sub.3, --SR.sub.4 with: the remaining variables defined below in the body of the specification.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: March 11, 1997
    Assignee: L'Oreal
    Inventors: Didier Dufetel, Francoise Estradier, Quintino Gaetani, Michel Hocquaux
  • Patent number: 5360804
    Abstract: Multicomponent agent or kit for preparing the sulpho-conjugated form of pyridino, pyrimidino or triazino N-oxide compounds and method of use.The present invention relates to a multicomponent agent or kit for preparing the sulpho-conjugated form of pyridino, pyrimidino or triazino N-oxide compounds,comprising at least one compound of the pyridino, pyrimidino or triazino N-oxide type, on the one hand,and a sulphating agent, on the other hand.
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: November 1, 1994
    Assignee: L'Oreal
    Inventors: Quintino Gaetani, Andre Rougier, Albert Duranton, Michel Hocquaux
  • Patent number: 5132106
    Abstract: The invention relates to compounds of formula: ##STR1## in which: R.sub.1 and R.sub.2 denote, independently of one another, a hydrogen atom or alternatively a carbamoyl group of formula: ##STR2## with R'.sub.3 denoting hydrogen or R.sub.3 ; an alkoxycarbonyl group of formula: ##STR3## or an acyl group of formula: ##STR4## in which formulae R.sub.3 denotes an alkyl, alkenyl or cycloalkyl radical; R.sub.3 can also denote an aryl or aralkyl radical; andR denotes a linear or braanched C.sub.1 -C.sub.8 alkyl radical substituted with one or more halogen atoms, and to their use for the treatment and prevention of hair loss and for stimulating its regrowth.
    Type: Grant
    Filed: July 12, 1990
    Date of Patent: July 21, 1992
    Assignee: L'Oreal
    Inventors: Remy Tuloup, Alex Junino, Michel Hocquaux, Jacqueline Dumats, Quintino Gaetani
  • Patent number: 4973474
    Abstract: New 2,4-diaminopyrimidine 3-oxide derivatives and their use for the treatment and the prevention of hair loss.The compounds correspond to the formula: ##STR1## in which: R.sub.1 and R.sub.2 denote hydrogen or the groups of formula: ##STR2## with R'.sub.3 =H or R.sub.3, in which R.sub.3 denotes alkyl, alkenyl or cycloalkyl; R.sub.3 may also denote an aryl or aralkyl radical.R denotes alkyl, alkenyl or cycloalkyl capable of bearing an unsaturation or alkyl bearing an aromatic or heterocyclic nucleus.
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: November 27, 1990
    Assignee: L'Oreal
    Inventors: Michel Hocquaux, Jacqueline Dumats, Quintino Gaetani
  • Patent number: 4826681
    Abstract: A liquid, essentially anhydrous solution of hydrogen peroxide in at least one organic solvent is employed in therapeutic and cosmetic formulations. The solution contains from 1 to 20 weight percent hydrogen peroxide and less than 1 weight percent water. The therapeutic formulation can be used in the treatment of acne, dermatoses, ulcers and in the lightening and disinfection of the skin. The cosmetic formulations can be used in the bleaching or oxidation dyeing of hair or in the neutralization stage of a permanent wave operation or in the straightening of hair.
    Type: Grant
    Filed: February 26, 1986
    Date of Patent: May 2, 1989
    Assignee: L'Oreal
    Inventors: Bernard Jacquet, Quintino Gaetani, Michel Hocquaux
  • Patent number: 4608392
    Abstract: A composition for topical application to the skin contains, as a fatty product to provide a nongreasy protective and emollient film thereon, a polyether oligomer having the formula ##STR1## wherein R is alkyl having 1-12 carbon atoms; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hydrogen or alkyl having 1-6 carbon atoms, with at least two of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 being hydrogen; m is 1-4; n has an average value equal to or greater than 2; and the number of carbon atoms in each repetitive unit being at least 4.
    Type: Grant
    Filed: August 28, 1984
    Date of Patent: August 26, 1986
    Assignee: Societe Anonyme dite: L'Oreal
    Inventors: Bernard Jacquet, Quintino Gaetani
  • Patent number: 4545981
    Abstract: A colored or colorless nail enamel consists essentially of at least one film forming agent, a resin and a solvent system. The enamel can also contain a plasticizing agent and/or a coloring agent. The resin is polytetrahydrofuran having the formula: HO--CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --O].sub.n H wherein n is such that the average molecular mass is between 300 and 3,000,000.
    Type: Grant
    Filed: November 23, 1982
    Date of Patent: October 8, 1985
    Assignee: L'Oreal
    Inventors: Bernard Jacquet, Christos Papantoniou, Quintino Gaetani
  • Patent number: 4409379
    Abstract: Vinyl acetate and an unsaturated acid are copolymerized in the presence of bis (4-tert. butyl cyclohexyl) peroxydicarbonate. The resulting copolymer which exhibits improved aerosol propellant solubility characteristics is employed in aerosol hair lacquer compositions.
    Type: Grant
    Filed: July 29, 1981
    Date of Patent: October 11, 1983
    Assignee: L'Oreal
    Inventors: Quintino Gaetani, Bernard Jacquet, Claude Mahieu, Christos Papantoniou
  • Patent number: 4366099
    Abstract: A process for reducing the volatility and improving the emulsifying power of an unsaturated or saturated cosmetic oil comprising heating the cosmetic oil, in the absence of a solvent and under an inert atmosphere, with a homopolymerizable and hydrophilic monomer in the presence of an initiator generating free radicals. The monomer is selected from the group consisting of N-vinylpyrrolidone, 2-hydroxymethyl acrylate, 2-hydroxymethyl methacrylate, acrylamide, methacrylamide, N-hydroxymethyl acrylamide, N-(carboxyhydroxy) methacrylamide, acrylic acid, methacrylic acid, 2-vinylpyridine, 4-vinylpyridine and a monomer having the formula, ##STR1## wherein R is hydrogen or methyl, Y is O or NH, r' is methyl or ethyl and n is 2 or 3. The resulting modified oil is then purified to remove any insoluble nongrafted homopolymer.
    Type: Grant
    Filed: April 25, 1980
    Date of Patent: December 28, 1982
    Assignee: Societe Anonyme dite: L'Oreal
    Inventors: Quintino Gaetani, Christos Papantoniou
  • Patent number: 4030512
    Abstract: A hair lacquer or hair setting lotion composition comprises in a cosmetic carrier or vehicle at least one bi- or tri-sequenced copolymer comprising at least one sequence (A) having the formula ##STR1## wherein Y is a saturated hydrocarbon chain containing 2-4 carbon atoms or a hydrocarbon chain containing 2-4 carbon atoms and interrupted by sulfur or oxygen, R.sub.1 and R.sub.2 are alkyl containing 1-4 carbon atoms, n is 0 or 1 and HX is hydrochloric, hydrobromic, lactic or acetic acid, and at least one sequence (B) resulting from the anionic polymerization of a polymerizable monomer.
    Type: Grant
    Filed: December 29, 1975
    Date of Patent: June 21, 1977
    Assignee: Societe Anonyme dite: L'Oreal
    Inventors: Christos Papantoniou, Quintino Gaetani