Patents by Inventor Chin Siong Goh

Chin Siong Goh 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).

  • POLYETHER POLYOLS, POLYESTER POLYOLS AND POLYURETHANES OF LOW RESIDUAL ALDEHYDE CONTENT
    Publication number: 20110054220
    Abstract: The present invention describes a process for preventing the formation of aldehydic contaminants in polyether polyols, polyester polyols or polyurethanes which comprises incorporating into said polyether polyols, polyester polyols or polyurethanes an effective amount of a) a phenolic antioxidant and b) one or more compounds selected from (i) aminic antioxidants, (ii) benzofuran-2-ones, (iii) phosphites or phosphonites and (iv) mixtures thereof.
    Type: Application
    Filed: November 4, 2010
    Publication date: March 3, 2011
    Inventors: CHIN SIONG GOH, Kerstin Schrinner, Pascal Xanthopoulos
  • Polyether polyols, polyester polyols and polyurethanes of low residual aldehyde content
    Patent number: 7879928
    Abstract: The present invention describes a process for preventing the formation of aldehydic contaminants in polyether polyols, polyester polyols or polyurethanes which comprises incorporating into said polyether polyols, polyester polyols or polyurethanes an effective amount of a) a phenolic antioxidant, b) one or more compounds selected from (i) aminic antioxidants, (ii) benzofuran-2-ones, and (iii) phosphites or phosphonites, or (iv) mixtures thereof.
    Type: Grant
    Filed: April 11, 2006
    Date of Patent: February 1, 2011
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Chin Siong Goh, Kerstin Schrinner, Pascal Xanthopoulos
  • Composition and process for improving heat and weathering stability of segmented polyurethane polymers
    Patent number: 7642304
    Abstract: The present invention relates to the stabilization of segmented polyurethanes by the addition of a combination of antioxidants, benzofuranones and or sterically hindered amines and a hydrazine or hydrazide.
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: January 5, 2010
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Soke Meng Chan, Chin Siong Goh, Muhamadzen Junaidi
  • Polyether polyols, polyester polyols and polyurethanes of low residual aldehyde content
    Publication number: 20090182078
    Abstract: The present invention describes a process for preventing the formation of aldehydic contaminants in polyether polyols, polyester polyols or polyurethanes which comprises incorporating into said polyether polyols, polyester polyols or polyurethanes an effective amount of a) a phenolic antioxidant, b) one or more compounds selected from (i) aminic antioxidants, (ii) benzofuran-2-ones, and (iii) phosphites or phosphonites, or (iv) mixtures thereof.
    Type: Application
    Filed: April 11, 2006
    Publication date: July 16, 2009
    Inventors: Chin Siong Goh, Kerstin Schrinner, Pascal Xanthopoulos