Patents by Inventor Tetsuaki Kanemoto

Tetsuaki Kanemoto 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).

  • Composition for protecting cementware from frost-damage comprising urethane resin and organopolysiloxane
    Patent number: 4413102
    Abstract: A method of protecting cementware from frost-damage, which comprises coating the cementware with a moisture-cure type urethane resin coating impregnated with a web-like or three-dimensionally structured organopolysiloxane compound represented by the rational formula:R.sub.2 Si.sub.2 O.sub.3wherein R is alkyl, hydroxyalkyl, aryl or aralkyl, of about 0.5 to 50 parts by weight relative to 100 parts by weight of resin portion in the urethane resin coating, and a composition therefor.The cementware applied with the composition has an excellent water repellency and an improved protective effect from frost-damage.
    Type: Grant
    Filed: January 28, 1982
    Date of Patent: November 1, 1983
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Michio Tanaka, Kohji Nasu, Tetsuaki Kanemoto
  • Method for protecting cementware from frost-damage
    Patent number: 4330595
    Abstract: A method of protecting cementware from frost-damage, which comprises coating the cementware with a moisturecure type urethane resin coating impregnated with a weblike or three-dimensionally structured organopolysiloxane compound represented by the rational formula:R.sub.2 Si.sub.2 O.sub.3wherein R is alkyl, hydroxyalkyl, aryl or aralkyl, of about 0.5 to 50 parts by weight relative to 100 parts by weight of resin portion in the urethane resin coating, and a composition therefor.The cementware applied with the composition has an excellent water repellency and an improved protective effect from frost-damage.
    Type: Grant
    Filed: March 24, 1980
    Date of Patent: May 18, 1982
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Michio Tanaka, Kohji Nasu, Tetsuaki Kanemoto