Patents by Inventor Marina LAURENT

Marina LAURENT 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).

  • Method for preparing 3,7-bis(dimethylamino)phenothiazin-5-ylium iodide
    Patent number: 11891367
    Abstract: Method for preparing 3,7-bis(dimethylamino)phenothiazin-5-ylium iodide, the method resulting in a high purity while being very simple to implement and producing high yields. The method uses phenothiazine as a starting material and includes the following steps: a) treating phenothiazine with diiodine, b) treating the reaction medium directly obtained from step a) with dimethylamine.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: February 6, 2024
    Assignee: PROVEPHARM LIFE SOLUTIONS
    Inventors: Michel Feraud, Babak Sayah, Stéphane Queru, Marina Laurent
  • METHOD FOR PREPARING 3,7-BIS(DIMETHYLAMINO)PHENOTHIAZIN-5-YLIUM IODIDE
    Publication number: 20210323937
    Abstract: Method for preparing 3,7-bis(dimethylamino)phenothiazin-5-ylium iodide, the method resulting in a high purity while being very simple to implement and producing high yields. The method uses phenothiazine as a starting material and includes the following steps: a) treating phenothiazine with diiodine, b) treating the reaction medium directly obtained from step a) with dimethylamine.
    Type: Application
    Filed: June 29, 2021
    Publication date: October 21, 2021
    Applicant: PROVEPHARM LIFE SOLUTIONS
    Inventors: Michel FERAUD, Babak SAYAH, Stéphane QUERU, Marina LAURENT
  • Method for preparing 3,7-bis(dimethylamino)phenothiazin-5-ylium iodide
    Patent number: 11078169
    Abstract: Method for preparing 3,7-bis(dimethylamino)phenothiazin-5-ylium iodide, the method resulting in a high purity while being very simple to implement and producing high yields. The method uses phenothiazine as a starting material and includes the following steps: a) treating phenothiazine with diiodine, b) treating the reaction medium directly obtained from step a) with dimethylamine.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: August 3, 2021
    Assignee: PROVEPHARM LIFE SOLUTIONS
    Inventors: Michel Feraud, Babak Sayah, Stéphane Queru, Marina Laurent
  • METHOD FOR PREPARING 3,7-BIS(DIMETHYLAMINO)PHENOTHIAZIN-5-YLIUM IODIDE
    Publication number: 20200010438
    Abstract: Method for preparing 3,7-bis(dimethylamino)phenothiazin-5-ylium iodide, the method resulting in a high purity while being very simple to implement and producing high yields. The method uses phenothiazine as a starting material and includes the following steps: a) treating phenothiazine with diiodine, b) treating the reaction medium directly obtained from step a) with dimethylamine.
    Type: Application
    Filed: February 16, 2018
    Publication date: January 9, 2020
    Applicant: PROVEPHARM LIFE SOLUTIONS
    Inventors: Michel FERAUD, Babak SAYAH, Stéphane QUERU, Marina LAURENT