Patents by Inventor Shuji Kawai

Shuji Kawai 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).

  • Alkali-resistant cellulases and microorganisms capable of producing same
    Patent number: 4943532
    Abstract: Novel alkali-resistant cellulases which have an optimum pH at a neutral region and have a high relative activity in an alkaline region are produced by microorganisms belonging to the genus Bacillus and growing in neutral medium.The cellulases suffer little inhibition by means of detergent ingredients such as surface active agents, proteinases and chelating agents. Therefore, they can be conveniently used as one of ingredients for detergent compositions.
    Type: Grant
    Filed: November 30, 1987
    Date of Patent: July 24, 1990
    Assignee: Kao Corporation
    Inventors: Shuji Kawai, Kazushi Oshino, Hiromi Okoshi, Hajime Mori, Katsutoshi Ara, Susumu Ito, Kikuhiko Okamoto
  • Polyester, adhesives comprising the same, and laminates and laminated hollow vessels made thereof
    Patent number: 4504531
    Abstract: An aluminum atom- and monocarboxylic acid residue-containing polyester is provided. Using the polyester as an adhesive or a base, laminates and laminated hollow vessels which comprise, as the constituent elements, the polyester and an ethylene-vinyl alcohol copolymer can be produced. The laminates and laminated hollow vessels are suitable for use as packaging materials or containers for food and drink.
    Type: Grant
    Filed: May 30, 1984
    Date of Patent: March 12, 1985
    Assignee: Kuraray Co., Ltd.
    Inventors: Yoshifumi Murata, Keishiro Igi, Hiroshi Narukawa, Masao Uetsuki, Satoshi Bando, Shuji Kawai, Kenji Shirano
  • Polyester, adhesives comprising the same, and laminates and laminated hollow vessels made thereof
    Patent number: 4496714
    Abstract: An aluminum atom- and monocarboxylic acid residue-containing polyester is provided. Using the polyester as an adhesive or a base, laminates and laminated hollow vessels which comprise, as the constituent elements, the polyester and an ethylene-vinyl alcohol copolymer can be produced. The laminates and laminated hollow vessels are suitable for use as packaging materials or containers for food and drink.
    Type: Grant
    Filed: December 15, 1983
    Date of Patent: January 29, 1985
    Assignee: Kuraray Co., Ltd.
    Inventors: Yoshifumi Murata, Keishiro Igi, Hiroshi Narukawa, Masao Uetsuki, Satoshi Bando, Shuji Kawai, Kenji Shirano