Patents by Inventor Poay Huang Chuah

Poay Huang Chuah 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: 9045720
    Abstract: The present invention relates to herbicidal compositions comprising aminophosphate or aminophosphonate salts, particularly to herbicidal compositions comprising a high amount and aminophosphate or aminophosphonate salts and a betaine surfactant and an amine oxide surfactant.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: June 2, 2015
    Assignee: RHODIA CHIMIE
    Inventors: Paul Gioia, Poay Huang Chuah, Wenbing Xie
  • Publication number: 20120040832
    Abstract: The present invention relates to herbicidal compositions comprising an aminophosphate or aminophosphonate salt, for example to herbicidal compositions comprising an aminophosphate or aminophosphonate potassium salt. Preferred compositions of the invention have a high amount and the aminophosphate or aminophosphonate salt. The invention also relates to compositions of matter (or blend) that are especially useful ingredients for preparing the compositions comprising the aminophosphate or aminophosphonate salt. In particular, these ingredients are a surfactant such as an amine oxide surfactant, and an organic solvent comprising an N-alkylpyrrolidone wherein the alkyl group comprises at least 2 carbon atoms.
    Type: Application
    Filed: August 25, 2009
    Publication date: February 16, 2012
    Applicant: Rhodia Operations
    Inventors: Poay huang Chuah, Massimo Guglieri
  • Publication number: 20110009269
    Abstract: The present invention relates to herbicidal compositions comprising an aminophosphate or aminophosphonate salt, particularly to herbicidal compositions comprising a relatively high amount of aminophosphate or aminophosphonate salt. The compositions comprise an additive compound which is a salt.
    Type: Application
    Filed: November 6, 2008
    Publication date: January 13, 2011
    Applicant: Rhodia Operations
    Inventors: Paul Gioia, Poay Huang Chuah, Zhi Chao Han
  • Publication number: 20090018018
    Abstract: The present invention relates to herbicidal compositions comprising aminophosphate or aminophosphonate salts, particularly to herbicidal compositions comprising an aminophosphate or aminophosphonate potassium salt. Preffered compositions of the invention have a high amount and the aminophosphate or aminophosphonate salt. The invention also relates to compositions of matter (or blend) that are especially useful ingredients for preparing the compositions comprising the aminophosphate or aminophosphonate salts.
    Type: Application
    Filed: November 9, 2006
    Publication date: January 15, 2009
    Applicant: Rhodia Operations
    Inventors: Paul Gioia, Poay Huang Chuah, Thierry Sclapari
  • Publication number: 20080103047
    Abstract: The present invention relates to herbicidal compositions comprising aminophosphate or aminophosphonate salts, particularly to herbicidal compositions comprising a high amount and aminophosphate or aminophosphonate salts and a betaine surfactant and an amine oxide surfactant.
    Type: Application
    Filed: December 30, 2005
    Publication date: May 1, 2008
    Applicant: Rhodia Chimie
    Inventors: Paul Gioia, Poay Huang Chuah, Wenbing Xie