Patents Examined by J. P. Hoke
  • Patent number: 4254016
    Abstract: A composition comprising a vinylpyridine-styrene-butadiene copolymer and at least one amino acid selected from the group consisting of proline, leucine, isoleucine, homoserine, valine, .alpha.-aminobutyric acid, .gamma.-aminobutyric acid, citrulline, lysine, ornithine, arginine, glutamic acid, aspartic acid, and salts of these amino acids. The composition may optionally contain sulfur and/or sulfur donor.
    Type: Grant
    Filed: December 19, 1979
    Date of Patent: March 3, 1981
    Assignee: Sanyo Trading Co., Ltd.
    Inventor: Masao Onizawa