Patents by Inventor Saburo Ohara

Saburo Ohara 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).

  • Modifier for fibers or fibrous structures and modified fibers or fibrous structures
    Patent number: 4374176
    Abstract: A compound represented by the general formula ##STR1## wherein R.sub.1 and R.sub.2 represent H or CH.sub.3 ; A and A' represent ##STR2## B represents ##STR3## X represents H, NH.sub.4 or an alkali metal; and m and n represent numerals determined by the following formulae, 0.ltoreq.m.ltoreq.25, 5.ltoreq.n.ltoreq.50 and 5.ltoreq.(m+n).ltoreq.50, can impart to fibers or fibrous structures durable excellent antistatic property, water absorption property, softness and pollution-resistant property in a simple heat treatment.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: February 15, 1983
    Assignees: Kanebo, Ltd., Kanebo Synthetic Fibers Ltd.
    Inventors: Kiyoshi Aoki, Saburo Ohara
  • Modifier for fibers or fibrous structures
    Patent number: 4309560
    Abstract: A compound represented by the general formula ##STR1## wherein R.sub.1 and R.sub.2 represent H or CH.sub.3 ; A and A' represent ##STR2## B represents ##STR3## X represents H, NH.sub.4 or an alkali metal; and m and n represent numerals determined by the following formulae, 0.ltoreq.m.ltoreq.25, 5.ltoreq.n.ltoreq.50 and 5.ltoreq.(m+n).ltoreq.50, can impart to fibers or fibrous structures durable excellent antistatic property, water absorption property, softness and pollution-resistant property in a simple heat treatment.
    Type: Grant
    Filed: June 20, 1980
    Date of Patent: January 5, 1982
    Assignees: Kanebo, Ltd., Kanebo Synthetic Fibers Ltd.
    Inventors: Kiyoshi Aoki, Saburo Ohara