Patents by Inventor Christine SEGUIN

Christine SEGUIN 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: 11969497
    Abstract: The invention relates to a method for producing an extract of seeds of the Entada genus by selective hydrolysis of the metabolites accumulated in the seeds. The invention also relates to the extract produced using such a method, to a composition comprising such an extract, and to the cosmetic and dermocosmetic applications of such an extract.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: April 30, 2024
    Assignee: EXSYMOL
    Inventor: Marie-Christine Seguin
  • Publication number: 20210106515
    Abstract: The invention relates to a method for producing an extract of seeds of the Entada genus by selective hydrolysis of the metabolites accumulated in the seeds. The invention also relates to the extract produced using such a method, to a composition comprising such an extract, and to the cosmetic and dermocosmetic applications of such an extract.
    Type: Application
    Filed: April 11, 2019
    Publication date: April 15, 2021
    Inventor: Marie-Christine SEGUIN
  • Publication number: 20190008763
    Abstract: The invention relates to a copper contraceptive intrauterine system (IUS) with a flexible frame, which system is further capable of releasing a selective progesterone receptor modulator (SPRM), such as ulipristal acetate, for reducing or preventing bleeding side effects.
    Type: Application
    Filed: September 7, 2018
    Publication date: January 10, 2019
    Inventors: Andre ULMANN, Erin GAINER, Delphine LEVY, Christine Seguin, Florian Battung, Regine SITRUK-WARE
  • Patent number: 9815783
    Abstract: The present invention relates to compounds of general formula (I): wherein Y, R1, R2 and R3 are as defined in the specification. The invention also relates to cosmetic or dermocosmetic composition containing such compounds. The compounds according to the invention are useful as photoprotective agents.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: November 14, 2017
    Assignee: EXSYMOL
    Inventor: Marie-Christine Seguin
  • Publication number: 20160362364
    Abstract: The present invention relates to compounds of general formula (I): wherein Y, R1, R2 and R3 are as defined in the specification. The invention also relates to cosmetic or dermocosmetic composition containing such compounds. The compounds according to the invention are useful as photoprotective agents.
    Type: Application
    Filed: June 10, 2016
    Publication date: December 15, 2016
    Inventor: Marie-Christine SEGUIN
  • Publication number: 20150320766
    Abstract: The invention relates to a copper contraceptive intrauterine system (IUS) with a flexible frame, which system is further capable of releasing a selective progesterone receptor modulator (SPRM), such as ulipristal acetate, for reducing or preventing bleeding side effects.
    Type: Application
    Filed: December 13, 2013
    Publication date: November 12, 2015
    Inventors: André ULMANN, Erin GAINER, Delphine LEVY, Christine SEGUIN, Florian BATTUNG, Regine SITRUK-WARE
  • Patent number: 8993611
    Abstract: The invention relates to a family of stable polyamine arylethylamide compounds, and to the use of these compounds as agents inhibiting DNA damages induced by by-products of the non-enzymatic glycosylation of skin tissues. The invention also relates to cosmetic or dermocosmetic compositions intended to fight skin disorders associated with said glycosylation by-products.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: March 31, 2015
    Assignee: Exsymol
    Inventor: Marie-Christine Seguin
  • Patent number: 8822433
    Abstract: The invention concerns a complex based on an organic silicon derivative. The invention is characterized in that said derivative is combined, by weak bonds, with one or several hyaluronic acid calibrated fragments of molecular weight comprised between 150 and 750 kDa, said derivative being of general formula (I): RxSi(OH)4-x, (I) wherein: R is a (C1-C4)alkyl, and x=1 or 2. The invention also concerns the use of such a complex in the prevention or the repair of cutaneous damages.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: September 2, 2014
    Assignee: Exsymol S.A.M.
    Inventor: Marie-Christine Seguin
  • Patent number: 8623338
    Abstract: The invention concerns a methionine-derived peptidomimetic represented by the following general formula (II): R?X—C(O)—NH— with X=alkyl or alkyloxy (C1-C4); R??H The invention also concerns a composition for preventing or fighting cutaneous disorders associated to a mitochondrial dysfunction, and the use of a methionine-derived peptidomimetic as a cosmetic agent for protecting and/or stimulating the mitochondria of cutaneous cells.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: January 7, 2014
    Assignee: Exsymol S.A.M.
    Inventor: Marie-Christine Seguin
  • Publication number: 20140005244
    Abstract: The invention relates to a family of stable polyamine arylethylamide compounds, and to the use of these compounds as agents inhibiting DNA damages induced by by-products of the non-enzymatic glycosylation of skin tissues. The invention also relates to cosmetic or dermocosmetic compositions intended to fight skin disorders associated with said glycosylation by-products.
    Type: Application
    Filed: July 1, 2013
    Publication date: January 2, 2014
    Applicant: EXSYMOL
    Inventor: Marie-Christine SEGUIN
  • Patent number: 8492417
    Abstract: The invention concerns a cosmetic care method for opposing destructive effects of oxidative stress and its toxic by-products, comprising administering topically to a patient in need thereof, a derivative of formula (I): in which X is oxygen or sulphur. The invention especially applies to the domain of skin protection and more especially against cutaneous consequences of oxidative stress.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: July 23, 2013
    Assignee: Exsymol S.A.M.
    Inventor: Marie Christine Seguin
  • Publication number: 20120070394
    Abstract: The invention concerns a methionine-derived peptidomimetic represented by the following general formula (II): R=X—C(O)—NH— with X=alkyl or alkyloxy (C1-C4); R?=H The invention also concerns a composition for preventing or fighting cutaneous disorders associated to a mitochondrial dysfunction, and the use of a methionine-derived peptidomimetic as a cosmetic agent for protecting and/or stimulating the mitochondria of cutaneous cells.
    Type: Application
    Filed: September 16, 2011
    Publication date: March 22, 2012
    Applicant: EXSYMOL S.A.M.
    Inventor: Marie-Christine Seguin
  • Publication number: 20100113385
    Abstract: The invention concerns a complex based on an organic silicon derivative. The invention is characterized in that said derivative is combined, by weak bonds, with one or several hyaluronic acid calibrated fragments of molecular weight comprised between 150 and 750 kDa, said derivative being of general formula (I): RXSi(OH)4-x??(I) wherein: R is a (C1-C4)alkyl, x=1 and 2. The invention also concerns the use of such a complex in the prevention or the repair of cutaneous damages.
    Type: Application
    Filed: October 2, 2009
    Publication date: May 6, 2010
    Applicant: EXZYMOL S.A.M.
    Inventor: Marie-Christine Seguin
  • Publication number: 20090247602
    Abstract: The invention has for object the cosmetic use and as neurotrophic agent of at least an indolic auxin conjugate with general formula (I): in which: n is equal to 1, 2 et 3, and m is equal to 1 et 2.
    Type: Application
    Filed: March 20, 2009
    Publication date: October 1, 2009
    Applicant: EXSYMOL S.A.M.
    Inventor: Marie-Christine Seguin
  • Publication number: 20090081141
    Abstract: A cosmetic composition intended for protecting skin against stress generating free radicals or reactive oxygen species is disclosed. The cosmetic composition comprises a physiologically compatible excipient and a thiazolidine compound. Methods of protecting skin generally and against cutaneous consequences of oxidative stress are also disclosed.
    Type: Application
    Filed: September 19, 2008
    Publication date: March 26, 2009
    Applicant: EXSYMOL S.A.M.
    Inventor: Marie Christine Seguin
  • Patent number: 7270824
    Abstract: The present invention relates to an algal adduct of the citrullinylarginine natural dipeptide as well as to its dermatological use and the use of chemical analogs issued from the same dipeptide displaying no toxic potential, as skin and phanera care and treatment agents, the said analogs having the following general formula (I): in which: R1 represents an acyl or acycloxy radical, R2 represents a hydroxyl, amine, alkylamine or alcoxy radical, R3 represents a hydrogen atom or a hydroxyl radical.
    Type: Grant
    Filed: March 17, 2004
    Date of Patent: September 18, 2007
    Assignee: Exsymol S.A.M.
    Inventor: Marie-Christine Seguin
  • Patent number: 7094796
    Abstract: The purpose of the invention concerns a family of pseudodipeptides which are coupling products between tryptamine, an indole-primary amine, and a selection of alpha-amino acids, the said pseudodipeptides having the following general formula (I): in which: R1 represents a hydrogen atom, an acyl or acyloxy radical, R2 represents the side chain of an alpha-amino acid chosen among L-glutamic acid, L-arginine, L-cysteine, L-methionine, L-histidine, L-tryptophan, L-tyrosine. The present invention also concerns the process for the preparation of said products as well as their applications in neurocosmetic compositions or as active substances on the cutaneous nervous system.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: August 22, 2006
    Assignee: Exsymol S.A.M.
    Inventor: Marie-Christine Seguin
  • Patent number: 6905690
    Abstract: The present invention relates to an algal adduct of the citrullinylarginine natural dipeptide as well as to its dermatological use and the use of chemical analogs issued from the same dipeptide displaying no toxic potential, as skin and phanera care and treatment agents, the said analogs having the following general formula (I): in which: R1 represents an acyl or acycloxy radical, R2 represents a hydroxyl, amine, alkylamine or alcoxy radical, R3 represents a hydrogen atom or a hydroxyl radical.
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: June 14, 2005
    Assignee: Exsymol S.A.M.
    Inventor: Marie-Christine Seguin
  • Publication number: 20040175397
    Abstract: The present invention relates to an algal adduct of the citrullinylarginine natural dipeptide as well as to its dermatological use and the use of chemical analogs issued from the same dipeptide displaying no toxic potential, as skin and phanera care and treatment agents, the said analogs having the following general formula (I): 1
    Type: Application
    Filed: March 17, 2004
    Publication date: September 9, 2004
    Inventor: Marie-Christine Seguin
  • Patent number: D842453
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: March 5, 2019
    Assignee: Laboratoire HRA-PHARMA
    Inventors: Stéphanie Pradet, Frédérique Welgryn, Suzanne Tran, Christine Seguin