Patents by Inventor Kazuo Saso

Kazuo Saso 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).

  • Oral composition containing a polyglycerol fatty acid monoester and an N-acylamino acid or a salt thereof
    Patent number: 4865839
    Abstract: An oral composition containing, as a surfactant, polyglycerol fatty acid monoester having a polymerization degree of glycerol of 6 or more and 10 to 20 carbon atoms in the fatty acid moiety. An N-acylamino acid or a salt thereof may be contained in this oral composition.
    Type: Grant
    Filed: September 2, 1987
    Date of Patent: September 12, 1989
    Assignee: Lion Corporation
    Inventor: Kazuo Saso
  • Oral composition
    Patent number: 4466954
    Abstract: A stable dextranase-containing oral composition having a good feeling upon use is disclosed which comprises a dextranase enzyme produced by the genus Chaetomium, one of fungi, and a stabilizing amount of an admixture comprising water-soluble salts of alkyl sulfates having 10, 12, 14, and 16 carbon atoms in the alkyl chain in the following proportion:______________________________________ C.sub.10 --alkyl sulfate salt 0-20%, C.sub.12 --alkyl sulfate salt 50-80%, C.sub.14 --alkyl sulfate salt 10-30%, and C.sub.16 --alkyl sulfate salt 0-15%, ______________________________________based on the weight of the admixture.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: August 21, 1984
    Assignee: Lion Corporation
    Inventors: Hiromichi Ichikawa, Kazuo Saso, Nobuo Suganuma