Patents by Inventor Christos Papantoniou

Christos Papantoniou 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: 4166109
    Abstract: An anti-solar polymer has in the macromolecular chain thereof at least one unit of the formula ##STR1## wherein F is a residue derived from an aromatic compound. The anti-solar polymer can also be one having in the macromolecular chain thereof at least one unit of the formula ##STR2## wherein F.sub.1 is ##STR3## These polymers have the ability to absorb wave lengths of light in the range of about 280-315 millimicrons. The polymers are employed in a cosmetic composition.
    Type: Grant
    Filed: August 18, 1976
    Date of Patent: August 28, 1979
    Assignee: L'Oreal
    Inventors: Bernard Jacquet, Christos Papantoniou, Pierre Dufaure, Claude Mahieu
  • Patent number: 4126675
    Abstract: New nail polish compositions including a resin, a plasticizer, a solvent system, a filming agent, and optionally colorants, wherein the resin is a copolymer of methyl methacrylate and hexyl methacrylate.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: November 21, 1978
    Assignee: L'Oreal
    Inventors: Jean Boulogne, Christos Papantoniou
  • Patent number: 4107290
    Abstract: An anti-solar polymer has in the macromolecular chain thereof at least one unit of the formula ##STR1## wherein F is a residue derived from an aromatic compound. The anti-solar polymer can also be one having in the macromolecular chain thereof at least one unit of the formula ##STR2## wherein F.sub.1 is ##STR3## These polymers have the ability to absorb wave lengths in the range of about 280-315 millimicrons. The polymers are employed in a cosmetic composition.
    Type: Grant
    Filed: August 18, 1976
    Date of Patent: August 15, 1978
    Assignee: L'Oreal
    Inventors: Bernard Jacquet, Christos Papantoniou, Pierre Dufaure, Claude Mahieu
  • Patent number: 4076912
    Abstract: Copolymer of (a) an unsaturated acid having the formula R--CH .dbd. CH--(CH.sub.2 --O--CH.sub.2).sub.n --COOH wherein n = 0 or 1, and when n = O, R = CH.sub.3 and when n = 1, R = H, (b) a vinyl ester of the formula ##STR1## wherein R is CH.sub.3 or C.sub.2 H.sub.5, (c) at least one branched allyl or methallyl ester of the formula ##STR2## wherein R' represents hydrogen or CH.sub.3, R.sub.1 represents a saturated hydrocarbon chain, linear or branched, having 1 -6 carbon atoms and R.sub.2 represents CH.sub.3 CH(CH.sub.3).sub.2, with the proviso that the sum of the number of the carbon atoms in R.sub.1 +R.sub.2 is equal to or less than 7 and (d) a monomer selected from the group consisting of a vinyl ether of the formula CH.sub.2 .dbd. CH--O--R.sub.3 wherein R.sub.3 is linear or branched alkyl having 1-12 carbon atoms, a vinyl ester having a fatty chain and having the formula ##STR3## wherein R.sub.
    Type: Grant
    Filed: April 6, 1976
    Date of Patent: February 28, 1978
    Assignee: L'Oreal
    Inventors: Christos Papantoniou, Jean-Claude Grognet
  • Patent number: 4070533
    Abstract: Terpolymer of crotonic acid, vinyl acetate and an allyl or methallyl ester having the formula ##STR1## wherein R' is hydrogen or CH.sub.3, R.sub.1 is a saturated hydrocarbon chain containing 1-6 carbon atoms and R.sub.2 is --CH.sub.3 or --CH(CH.sub.3).sub.2, with the proviso that the sum of the number of carbon atoms in R.sub.1 + R.sub.2 is equal to or less than 7. The terpolymer is employed with a cosmetic carrier or vehicle to provide a cosmetic composition for the hair, such as a hair lacquer or hair setting lotion, generally in amounts of about 1-4 weight percent of the composition.
    Type: Grant
    Filed: April 6, 1976
    Date of Patent: January 24, 1978
    Assignee: L'Oreal
    Inventors: Christos Papantoniou, Jean-Claude Grognet
  • Patent number: 4048301
    Abstract: A cosmetic shampoo composition comprises in a carrier for application to the hair at least one detergent and at least one graft cationic copolymer of N-vinylpyrrolidone, dimethylaminoethyl methacrylate and polyethylene glycol.
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: September 13, 1977
    Assignee: L'Oreal
    Inventor: Christos Papantoniou
  • Patent number: 4047888
    Abstract: A hair dye composition comprises in a cream or gel vehicle or support at least one oxidation dye and at least one graft cationic copolymer of N-vinylpyrrolidone, dimethylaminoethyl methacrylate and polyethylene glycol.
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: September 13, 1977
    Assignee: L'Oreal
    Inventor: Christos Papantoniou
  • Patent number: 4032628
    Abstract: An emulsion comprises an oil phase and a water phase emulsified with an emulsifying agent consisting essentially of at least one block polymer containing both at least one lipophilic sequence and at least one hydrophilic sequence.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: June 28, 1977
    Assignee: Societe Anonyme dite: L'Oreal
    Inventors: Christos Papantoniou, Rose-Marie Handjani
  • 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
  • Patent number: 4003990
    Abstract: A polymer has on its macromolecular chains in the form of a lateral branching an anti-inflammator residue having a carboxylic acid function chemically linked to the macromolecular chains by an intermediate covalent function.
    Type: Grant
    Filed: November 7, 1975
    Date of Patent: January 18, 1977
    Assignee: Societe Anonyme dite: L'Oreal
    Inventors: Bernard Jacquet, Christos Papantoniou, Pierre Dufaure, Claude Mahieux
  • Patent number: 3992356
    Abstract: An anti-solar polymer has in the macromolecular chain thereof at least one unit of the formula ##EQU1## wherein F is a residue derived from an aromatic compound imparting to the polymer the ability to absorb wave lengths of light in the range of about 280-315 millimicrons. The polymer is employed in a cosmetic composition.
    Type: Grant
    Filed: June 27, 1973
    Date of Patent: November 16, 1976
    Assignee: Societe Anonyme dite: L'Oreal
    Inventors: Bernard Jacquet, Christos Papantoniou, Pierre Dufaure, Claude Mahieux
  • Patent number: 3990459
    Abstract: Cationic graft and cross-linked copolymers are provided which have excellent properties for use in cosmetic compositions, in particular wavesetting lotions. These copolymers are derived by copolymerizing:A. at least one cosmetic monomer;B. dimethylaminoethyl methacrylate;C. polyethylene glycol; andD. poly unsaturated polyunsaturated cross-linking agent.
    Type: Grant
    Filed: June 19, 1973
    Date of Patent: November 9, 1976
    Assignee: Societe Anonyme dite: L'Oreal
    Inventor: Christos Papantoniou
  • Patent number: 3984536
    Abstract: A cosmetic composition for use as a hair lacquer or hair-setting lotion contains an essentially homogeneous vinyl acetate/crotonic acid copolymer, the macromolecular chains of which contain essentially the same content of each of vinyl acetate and crotonic acid along the entire length thereof. The content of each of vinyl acetate and crotonic acid does not vary more than 2.5% by weight relative to the average content of each in essentially all of the macromolecular chains, along essentially the entire length of each of said chains.
    Type: Grant
    Filed: February 19, 1975
    Date of Patent: October 5, 1976
    Assignee: L'Oreal
    Inventors: Andre Viout, Paul Roussopoulos, Christos Papantoniou
  • Patent number: 3980617
    Abstract: An anti-solar polymer has in the macromolecular chain thereof at least one unit of the formula ##EQU1## wherein F is a residue derived from an aromatic compound imparting to the polymer the ability to absorb wave lengths of light in the range of about 280-315 millimicrons. The polymer is employed in a cosmetic composition.
    Type: Grant
    Filed: June 27, 1973
    Date of Patent: September 14, 1976
    Assignee: L'Oreal
    Inventors: Bernard Jacquet, Christos Papantoniou, Pierre Dufaure, Claude Mahieux
  • Patent number: 3966404
    Abstract: Terpolymer of crotonic acid, vinyl acetate and an allyl or methallyl ester having the formula ##EQU1## wherein R' hydrogen or CH.sub.3, R.sub.1 is a saturated hydrocarbon chain containing 1-6 carbon atoms and R.sub.2 is -CH.sub.3 or -CH(CH.sub.3).sub.2, with the proviso that the sum of the number of carbon atoms in R.sub.1 + R.sub.2 is equal to or less than 7. The terpolymer is employed with a cosmetic carrier or vehicle to provide a cosmetic composition for the hair, such as a hair lacquer or hair setting lotion, generally in amounts of about 1-4 weight percent of the composition.
    Type: Grant
    Filed: March 31, 1975
    Date of Patent: June 29, 1976
    Assignee: L'Oreal
    Inventors: Christos Papantoniou, Jean-Claude Grognet
  • Patent number: 3966403
    Abstract: Copolymer of (a) an unsaturated acid having the formula R--CH = CH--(CH.sub.2 --O--CH.sub.2).sub.n --COOH wherein n = 0 or 1, and when n = O, R = CH.sub.3 and when n = 1, R = H, (b) a vinyl ester of the formula ##EQU1## wherein R is CH.sub.3 or C.sub.2 H.sub.5, (c) at least one branched allyl or methallyl ester of the formula ##EQU2## wherein R' represents hydrogen or CH.sub.3, R.sub.1 represents a saturated hydrocarbon chain, linear or branched, having 1-6 carbon atoms and R.sub.2 represents CH.sub.3 or CH(CH.sub.3).sub.2, with the proviso that the sum of the number of the carbon atoms in R.sub.1 +R.sub.2 is equal to or less than 7 and (d) a monomer selected from the group consisting of a vinyl ether of the formula CH.sub.2 = CH--O--R.sub.3 wherein R.sub.3 is linear or branched alkyl having 1-12 carbon atoms, a vinyl ester having a fatty chain and having the formula ##EQU3## wherein R.sub.
    Type: Grant
    Filed: March 31, 1975
    Date of Patent: June 29, 1976
    Assignee: L'Oreal
    Inventors: Christos Papantoniou, Jean-Claude Grognet
  • Patent number: 3946749
    Abstract: A cosmetic composition is provided which comprises at least one graft and cross-linked copolymer obtained by copolymerization of:A. at least one non-ionic monomer,B. at least one ionic monomer or N-vinyl pyrrolidone,C. polyethylene glycol, andD. a cross-linking agent selected from ethylene glycol dimethacrylate, diallyl o-, m- and p-phthalates, a divinylbenzene, tetrallyloxyethane and a polyallylsucrose possessing 2 to 5 allyl groups per mol of sucrose, and a cosmetically acceptable vehicle.Such compositions are particularly useful as hair lacquers and wavesetting lotions; they adhere well to the hair while giving a good glossy appearance. Certain of the copolymers are novel.
    Type: Grant
    Filed: June 19, 1973
    Date of Patent: March 30, 1976
    Assignee: L'Oreal
    Inventor: Christos Papantoniou
  • Patent number: 3946035
    Abstract: A polymer has on its macromolecular chains in the form of a lateral branching an anti-inflammator residue having a carboxylic acid function chemically linked to the macromolecular chains by an intermediate covalent function.
    Type: Grant
    Filed: June 27, 1973
    Date of Patent: March 23, 1976
    Assignee: L'Oreal
    Inventors: Bernard Jacquet, Christos Papantoniou, Pierre Dufaure, Claude Mahieux
  • Patent number: 3937811
    Abstract: A fatty composition for use in producing cosmetic compositions comprising a mixture of at least one cosmetic fatty body and at least one non-toxic copolymer of the formula: ##EQU1## wherein R.sub.1 represents a saturated hydrocarbon chain, linear or branched, having from 1-19 carbon atoms;R.sub.2 represents a member selected from the group consisting ofA. ##EQU2## wherein R.sub.4 has the same meaning as R.sub.1 but is different from R.sub.1 in the same copolymer,B. --CH.sub.2 --R.sub.5, wherein R.sub.5 represents a saturated hydrocarbon chain, linear or branched, having from 5-25 carbon atoms,C. --O--R.sub.6, wherein R.sub.6 is a saturated hydrocarbon chain having from 2 to 18 carbon atoms, andD. ##EQU3## wherein R.sub.7 is a saturated hydrocarbon chain, linear or branched, having from 1-19 carbon atoms, andR.sub.3 represents hydrogen when R.sub.2 represents (a), (b), or (c) or R.sub.3 represents methyl when R.sub.2 represents (d).
    Type: Grant
    Filed: June 7, 1974
    Date of Patent: February 10, 1976
    Assignee: Societe Anonyme dite: L'Oreal
    Inventors: Christos Papantoniou, Jean Boulogne
  • Patent number: RE29871
    Abstract: A fatty composition for use in producing cosmetic compositions comprising a mixture of at least one cosmetic fatty body and at least one non-toxic copolymer of the formula: ##STR1## wherein R.sub.1 represents a saturated hydrocarbon chain, linear or branched, having from 1-19 carbon atoms;R.sub.2 represents a member selected from the group consisting ofA. ##STR2## wherein R.sub.4 has the same meaning as R.sub.1 but is different from R.sub.1 in the same copolymer,B. --CH.sub.2 --R.sub.5, wherein R.sub.5 represents a saturated hydrocarbon chain, linear or branched, having from 5-25 carbon atoms,C. --O--R.sub.6, wherein R.sub.6 is a saturated hydrocarbon chain having from 2 to 18 carbon atoms, andD. ##STR3## wherein R.sub.7 is a saturated hydrocarbon chain, linear or branched, having from 1-19 carbon atoms, andR.sub.3 represents hydrogen when R.sub.2 represents (a), (b), or (c) or R.sub.3 represents .Iadd.hydrogen or .Iaddend.methyl when R.sub.2 represents (d).
    Type: Grant
    Filed: March 11, 1977
    Date of Patent: December 26, 1978
    Assignee: L'Oreal
    Inventors: Christos Papantoniou, Jean Boulogne