Patents by Inventor Hisayoshi Suda

Hisayoshi Suda 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).

  • Aqueous water repellent for substrate treatment, making method, preparation of modified plywood or modified laminated veneer lumber, and preparation of wooden fiberboard
    Patent number: 6916507
    Abstract: An aqueous water repellent useful in the treatment of substrates of lignocellulose-origin materials or the like is characterized by comprising the product of co-hydrolytic condensation of (A) 100 parts by weight of an organosilicon compound having the formula: (R1)a(OR2)bSiO(4-a-b)/2??(1) wherein R1 is alkyl, R2 is alkyl, 0.75?a?1.5, 0.2?b?3 and 0.9<a+b?4, and (B) 0.5-49 parts by weight of an amino-containing alkoxysilane having the formula: R3R4NR5—SiR6n(OR2)3-n??(2) wherein R3 and R4 are H or alkyl or aminoalkyl, R5 is a divalent hydrocarbon group, R6 is alkyl, and n is 0 or 1, or a partial hydrolyzate thereof in the presence of an organic acid or inorganic acid.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: July 12, 2005
    Assignees: Shin-Etsu Chemical Co., Ltd., Sumitomo Forestry Co., Ltd.
    Inventors: Kazuyuki Matsumura, Akira Yamamoto, Hisayoshi Suda, Kenichi Kadota
  • Aqueous water repellent for substrate treatment, making method, preparation of modified plywood or modified laminated veneer lumber, and preparation of wooden fiberboard
    Publication number: 20040113117
    Abstract: An aqueous water repellent useful in the treatment of substrates of lignocellulose-origin materials or the like is characterized by comprising the product of co-hydrolytic condensation of (A) 100 parts by weight of an organosilicon compound having the formula:
    Type: Application
    Filed: September 30, 2003
    Publication date: June 17, 2004
    Inventors: Kazuyuki Matsumura, Akira Yamamoto, Hisayoshi Suda, Kenichi Kadota