Patents Examined by Titus Ledbetter, Jr.
  • Patent number: 4612169
    Abstract: An enzyme contaminated by bacteria during preservation or repeated use thereof is sterilized by immersing the enzyme contaminated mass in a polyvalent alcohol. This procedure does not inactivate the enzyme.
    Type: Grant
    Filed: March 21, 1984
    Date of Patent: September 16, 1986
    Assignee: Snow Brand Milk Products Co. Ltd.
    Inventors: Taisuke Iwasaki, Yoshihiko Honda, Fumio Nagaoka, Sadao Aoki, Kazuo Horigome, Ruyzo Imada