Patents by Inventor Philippe Neyraval

Philippe Neyraval 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 removing residual titanium from a polyester solution
    Patent number: 9447250
    Abstract: The present invention provides a method for reducing level of titanium in an aqueous solution of polyester in a safe and effective way, while avoiding hydrolysis of the polyester.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: September 20, 2016
    Assignee: Rhodia Operations
    Inventors: Philippe Neyraval, Natalie Soto, Daobing Lin, MingJuan Wang
  • Novel method for removing residual titanium from a polyester solution
    Publication number: 20150080496
    Abstract: The present invention provides a method for reducing level of titanium in an aqueous solution of polyester in a safe and effective way, while avoiding hydrolysis of the polyester.
    Type: Application
    Filed: February 13, 2012
    Publication date: March 19, 2015
    Applicant: RHODIA OPERATIONS
    Inventors: Philippe Neyraval, Natalie Soto, Daobing Lin, MingJuan Wang
  • Process for preparing ether-capped poly(oxyalkylated) alcohol surfactants
    Patent number: 6506945
    Abstract: A process for preparing an ether-capped poly(oxyalkylated) alcohol surfactant is provided. The alcohol has the formula: RO(R1O)xCH(CH3)OR2 wherein R is selected from the group consisting of linear or branched, saturated or unsaturated, substituted or unsubstituted, aliphatic or aromatic hydrocarbon radicals having from about 1 to about 30 carbon atoms; R1 may be the same or different, and is independently selected from the group consisting of branched or linear C2 to C7 alkylene in any given molecule; x is a number from 1 to about 30; and R2 is a six membered substituted or unsubstituted, saturated or unsaturated, cyclic or aromatic hydrocarbon radical.
    Type: Grant
    Filed: December 8, 2000
    Date of Patent: January 14, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Bernard William Kluesener, Mark Robert Sivik, Glenn Thomas Jordan, IV, Paul William Huber, Jr., Philippe Neyraval, Christian Priou
  • Process for preparing ether-capped poly(oxyalkylated) alcohol surfactants
    Publication number: 20010039367
    Abstract: A process for preparing an ether-capped poly(oxyalkylated) alcohol surfactant is provided.
    Type: Application
    Filed: December 8, 2000
    Publication date: November 8, 2001
    Inventors: Bernard William Kluesener, Mark Robert Sivik, Glenn Thomas Jordan, Paul William Huber, Philippe Neyraval, Christian Priou