Patents by Inventor Leon Zhu

Leon Zhu 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).

  • Polyamide, preparation process therefor and uses thereof
    Patent number: 9938377
    Abstract: The present disclosure relates to a novel polyamide synthesized from biobased monomers. The novel polyamide comprises the repeating unit of formula I, described herein, in which R represents a covalent bond or a divalent hydrocarbon-based group chosen from saturated or unsaturated aliphatics, saturated or unsaturated cycloaliphatics, aromatics, arylaliphatics and alkylaromatics. The present disclosure also relates to a process for preparing the said polyamide, to its uses, and to articles and compositions comprising the said polyamide.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: April 10, 2018
    Assignee: RHODIA OPERATIONS
    Inventors: Stéphane Jeol, Floryan Decampo, Leon Zhu
  • NOVEL POLYAMIDE, PREPARATION PROCESS THEREFOR AND USES THEREOF
    Publication number: 20170226286
    Abstract: The present disclosure relates to a novel polyamide synthesized from biobased monomers. The novel polyamide comprises the repeating unit of formula I, described herein, in which R represents a covalent bond or a divalent hydrocarbon-based group chosen from saturated or unsaturated aliphatics, saturated or unsaturated cycloaliphatics, aromatics, arylaliphatics and alkylaromatics. The present disclosure also relates to a process for preparing the said polyamide, to its uses, and to articles and compositions comprising the said polyamide.
    Type: Application
    Filed: April 27, 2017
    Publication date: August 10, 2017
    Inventors: Stéphane JEOL, Floryan DECAMPO, Leon ZHU
  • Polyamide, preparation process therefor and uses thereof
    Patent number: 9670319
    Abstract: The present invention relates to a novel polyamide synthesized from biobased monomers. The novel polyamide comprises the repeating unit of formula (I) below: Formula (I), in which R represents a covalent bond or a divalent hydrocarbon-based chosen from saturated or unsaturated aliphatics, saturated or unsaturated cycloaliphatics, aromatics, arylaliphatics and alkylaromatics. The present invention also relates to the process for preparing the said polyamide, to its uses, and to articles and compositions comprising the polyamide.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: June 6, 2017
    Assignee: RHODIA OPERATIONS
    Inventors: Stéphane Jeol, Floryan Decampo, Leon Zhu
  • NOVEL POLYAMIDE, PREPARATION PROCESS THEREFOR AND USES THEREOF
    Publication number: 20150175745
    Abstract: The present invention relates to a novel polyamide synthesized from biobased monomers. The novel polyamide comprises the repeating unit of formula (I) below: Formula (I), in which R represents a covalent bond or a divalent hydrocarbon-based chosen from saturated or unsaturated aliphatics, saturated or unsaturated cycloaliphatics, aromatics, arylaliphatics and alkylaromatics. The present invention also relates to the process for preparing the said polyamide, to its uses, and to articles and compositions comprising the polyamide.
    Type: Application
    Filed: July 10, 2013
    Publication date: June 25, 2015
    Inventors: Stéphane Jeol, Floryan Decampo, Leon Zhu