Patents by Inventor Chai Kao

Chai Kao 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).

  • Food product
    Publication number: 20060222740
    Abstract: This invention pertains to a baked product comprising rice flour, pregelatinised rice starch, and optionally modified rice starch. Such products have good acceptability in internal and external properties and appearance, similar to that of wheat flour containing baked products.
    Type: Application
    Filed: March 31, 2006
    Publication date: October 5, 2006
    Inventors: Chai Kao, Nyok Wong, Boon Leow, May Koh, Soon Oon, Ralph Trksak
  • Azeotrope mixtures with perfluorobutylethylene
    Patent number: 6793840
    Abstract: An azeotropic mixture of perfluorobutylethylene and at least one of the group consisting of bromochloromethane, cyclopentane, cis-1,2 dichloroethylene, trans-1,2 dichloroethylene and dichloromethane useful for cleaning agents, blowing agents and certain of which are suitable for flash spinning of polyolefins to make plexifilamentary fibers.
    Type: Grant
    Filed: September 4, 2003
    Date of Patent: September 21, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Hyunkook Shin, Chien-Ping Chai Kao, Thomas A. J. Schweiger
  • Azeotrope mixtures with perfluorobutylethylene
    Publication number: 20040051074
    Abstract: An azeotropic mixture of perfluorobutylethylene and at least one of the group consisting of bromochloromethane, cyclopentane, cis-1,2 dichloroethylene, trans-1,2 dichloroethylene and dichloromethane useful for cleaning agents, blowing agents and certain of which are suitable for flash spinning of polyolefins to make plexifilamentary fibers.
    Type: Application
    Filed: September 4, 2003
    Publication date: March 18, 2004
    Inventors: Hyunkook Shin, Chien-Ping Chai Kao, Thomas A.J. Schweiger
  • Process for purifying perfluorinated products
    Patent number: 6458249
    Abstract: Nitrogen trifluoride (NF3) containing less than 10 parts-per-million molar impurities, e.g., tetrafluoromethane (PFC-14), is disclosed. Azeotropic and extractive distillation processes using entraining agents for separating NF3 and PFC-14 from each other and from mixtures with other electronics industry materials are disclosed.
    Type: Grant
    Filed: November 9, 1998
    Date of Patent: October 1, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Ralph Newton Miller, Chien-Ping Chai Kao, Barry Asher Mahler
  • PROCESS FOR PURIFYING PERFLUORINATED PRODUCTS
    Publication number: 20020001560
    Abstract: Nitrogen trifluoride (NF3) containing less than 10 parts-per-million molar impurities, e.g., tetrafluoromethane (PFC-14), is disclosed. Azeotropic and extractive distillation processes using entraining agents for separating NF3 and PFC-14 from each other and from mixtures with other electronics industry materials are disclosed.
    Type: Application
    Filed: November 9, 1998
    Publication date: January 3, 2002
    Inventors: RALPH NEWTON MILLER, BARRY ASHER MAHLER, CHIEN-PING CHAI KAO