Patents by Inventor Vincent T. Chuang

Vincent T. Chuang 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).

  • ANTIMICROBIAL COMPOSITIONS AND METHODS OF MAKING SAME
    Publication number: 20120276040
    Abstract: This invention relates to a process of making a group of silylated poly(N-alkyl-4-vinylpyridinium) quaternized salts suitable for use as coating materials for the treatment of substrate surfaces to impart an antimicrobial effect.
    Type: Application
    Filed: July 3, 2012
    Publication date: November 1, 2012
    Inventor: Vincent T. Chuang
  • ANTIMICROBIAL COMPOSITIONS AND METHODS OF MAKING SAME
    Publication number: 20090081152
    Abstract: This invention relates to a process of making a group of silylated poly(N-alkyl-4-vinylpyridinium) quaternized salts suitable for use as coating materials for the treatment of substrate surfaces to impart an antimicrobial effect.
    Type: Application
    Filed: June 23, 2008
    Publication date: March 26, 2009
    Inventor: Vincent T. Chuang
  • Antimicrobial filtration
    Patent number: 6780332
    Abstract: A water treating system utilizes antimicrobial sand filter for killing bacteria and preventing microbial growth. Said antimicrobial sand filter consists of organic quaternary ammonium salt and inorganic metal compound.
    Type: Grant
    Filed: March 12, 2001
    Date of Patent: August 24, 2004
    Assignee: Parker Holding Services Corp.
    Inventors: Yen-Kuen Shiau, Chung-Hsun Wu, Vincent T Chuang
  • Antimicrobial filtration
    Patent number: 6715618
    Abstract: A water treating system utilizes antimicrobial sand filter for killing bacteria and preventing microbial growth. Said antimicrobial sand filter consists of organic quaternary ammonium salt and inorganic metal compound.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: April 6, 2004
    Assignee: Parker Holding Services Corp.
    Inventors: Yen-Kuen Shiau, Chung-Hsun Wu, Vincent T Chuang
  • Antimicrobial filtration
    Publication number: 20030006199
    Abstract: A water treating system utilizes antimicrobial sand filter for killing bacteria and preventing microbial growth. Said antimicrobial sand filter consists of organic quaternary ammonium salt and inorganic metal compound.
    Type: Application
    Filed: August 5, 2002
    Publication date: January 9, 2003
    Inventors: Yen-Kuen Shiau, Chung-Hsun Wu, Vincent T. Chuang
  • Antimicrobial filtration
    Publication number: 20010009239
    Abstract: A water treating system utilizes antimicrobial sand filter for killing bacteria and preventing microbial growth. Said antimicrobial sand filter consists of organic quaternary ammonium salt and inorganic metal compound.
    Type: Application
    Filed: March 12, 2001
    Publication date: July 26, 2001
    Inventors: Yen-Kuen Shiau, Chung-Hsun Wu, Vincent T. Chuang
  • Hydroxybicyclosiloxane rigid urethane foam stabilizers
    Patent number: 4033990
    Abstract: This application relates to certain novel hydroxybicyclosiloxanes that are particularly useful as foam stabilizers for rigid polyurethane foams. The novel hydroxybicyclosiloxanes have critical siloxane molecular weights and are produced by an addition reaction involving hydrosiloxanes and olefinically unsaturated bicyclic alcohols that contain an olefinic bond which does not shift significantly during the reaction.
    Type: Grant
    Filed: December 29, 1972
    Date of Patent: July 5, 1977
    Assignee: Union Carbide Corporation
    Inventors: George M. Omietanski, Harold D. Furbee, Vincent T. Chuang
  • Hydroxyalkenylsiloxane rigid poly urethane foam stabilizers
    Patent number: 3933695
    Abstract: This application relates to certain novel hydroxyalkenylsiloxanes that are particularly useful as foam stabilizers for rigid polyurethane foams. The novel hydroxyalkenylsiloxanes have critical siloxane molecular weights and are produced by an addition reaction involving hydrosiloxanes and acetylenically unsaturated alcohols that contain a terminal acetylenic bond which does not shift significantly during the reaction.
    Type: Grant
    Filed: July 17, 1974
    Date of Patent: January 20, 1976
    Assignee: Union Carbide Corporation
    Inventors: George M. Omietanski, Vincent T. Chuang