Patents by Inventor Hiroo Taniguchi

Hiroo Taniguchi 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: 4888434
    Abstract: An antimicrobial agent which is a carboxyl group containing amine compound. The compound has the characteristics of an amphoteric surfactant and is silyl group containing. The compound is prepared by reacting an amine, a silane, and a carboxylic acid.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: December 19, 1989
    Assignee: Dow Corning K.K.
    Inventors: Fujio Sawaragi, Hiroo Taniguchi
  • Patent number: 4847397
    Abstract: A method of preparing silyl group containing carboxylic acid type amphoteric surfactants in which a hydrocarbon substituted amine compound (1) is reacted with a silane compound (2) to produce a reaction product having at least one amino or imino group in the molecule. The reaction product of (1) and (2) is in turn reacted with a functionalized carboxylic acid to produce the desired amphoteric surfactant material.
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: July 11, 1989
    Assignee: Dow Corning Kabushiki Kaisha
    Inventors: Fujio Sawaragi, Hiroo Taniguchi