Patents by Inventor André Charette

André Charette 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).

  • Methods for preparing dioranozinc compounds
    Patent number: 8492574
    Abstract: There are provided methods for preparing diorganozinc compounds of formula R2Zn. For example, such a method can method comprise reacting together a compound of formula ZnX2 with at least one compound chosen from compounds of formulas RM1T, R2M1, and RM2. R, X, M1, M2, and T can be various different chemical entities. Compounds of formula R2ZnR3, in which R2 and R3 are the same or different, can also prepared in a similar manner.
    Type: Grant
    Filed: November 9, 2009
    Date of Patent: July 23, 2013
    Inventors: Andre Charette, Alexandre Cote, Alexandre Lemire
  • Phosphonium salts derivatives and uses thereof
    Patent number: 8067440
    Abstract: There are provided compounds of formulas (VA), (VIA), (VIIA) (IXA), (XIA), (XIIA), (XIIIA), and (XIVA): wherein A, Z, R2, X?, and L2 represent various different possibilities. Methods for using such compounds are also provided.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: November 29, 2011
    Assignee: Valorisation-Recherche, Limited Partnership
    Inventors: Andre Charette, Jean-Christophe Poupon, Alessandro Boezio
  • PHOSPHONIUM SALTS DERIVATIVES AND USES THEREOF
    Publication number: 20110092683
    Abstract: There are provided compounds of formulas (VA), (VIA), (VIIA) (IXA), (XIA), (XIIA), (XIIIA), and (XIVA): wherein A, Z, R2, X?, and L2 represent various different possibilities. Methods for using such compounds are also provided.
    Type: Application
    Filed: December 21, 2010
    Publication date: April 21, 2011
    Applicant: VALORISATION-RECHERCHE, LIMITED PARTNERSHIP
    Inventors: André Charette, Jean-Christophe Poupon, Alessandro Boezio
  • Phosphonium salts derivatives
    Patent number: 7880037
    Abstract: There are provided compounds of formulas (VA), (VIA), (VIIA) (IXA), (XIA), (XIIA), (XIIIA), and (XIVA): wherein A, Z, R2, X?, and L2 represent various different possibilities.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: February 1, 2011
    Assignee: Valorisation-Recherche, Limited Partnership
    Inventors: André Charette, Jean-Christophe Poupon, Alessandro Boezio
  • Methods for preparing dioranozinc compounds
    Publication number: 20100121089
    Abstract: There are provided methods for preparing diorganozinc compounds of formula R2Zn. For example, such a method can method comprise reacting together a compound of formula ZnX2 with at least one compound chosen from compounds of formulas RM1T, R2M1, and RM2. R, X, M1, M2, and T can be various different chemical entities.
    Type: Application
    Filed: November 9, 2009
    Publication date: May 13, 2010
    Inventors: Andre Charette, Alexandre Cote, Alexandre Lemire
  • PHOSPHONIUM SALTS DERIVATIVES
    Publication number: 20070197477
    Abstract: There are provided compounds of formulas (VA), (VIA), (VIIA) (IXA), (XIA), (XIIA), (XIIIA), and (XIVA): wherein A, Z, R2, X?, and L2 represent various different possibilities.
    Type: Application
    Filed: October 5, 2006
    Publication date: August 23, 2007
    Applicant: VALORISATION-RECHERECHE
    Inventors: Andre Charette, Jean-Christophe Poupon, Alessandro Boezio