Patents by Inventor Shizuo Hayashi

Shizuo Hayashi 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).

  • Patent number: 4071475
    Abstract: A transparent, highly viscous, liquid shampoo composition comprising, as critical components, (A) from about 1 to about 10% by weight of a polyoxyethylene alkyl ether having the formula (I): ##STR1## wherein R.sub.1 is alkyl having 8 to 14 carbon atoms, R.sub.2 is hydrogen or alkyl having 1 to 7 carbon atoms, and n denotes the mole number of added ethylene oxide units and its distribution is as follows:N = zero to one : up to 10%,N = 2 to 4 : at least 90%, with the proviso that n equals 3 is at least 50%, andN .gtoreq. 5 : up to 10%,And (B) from about 5 to about 40% by weight of alkyl sulfate alkylolamine salt in which the carbon atom number of the alkyl group is in the range of from 11 to 15 and the carbon atom number of the alkylol group is 2 or 3.
    Type: Grant
    Filed: September 10, 1976
    Date of Patent: January 31, 1978
    Assignee: Kao Soap Co., Ltd.
    Inventors: Eiji Iijima, Hiroshi Watanabe, Shizuo Hayashi
  • Patent number: 4064231
    Abstract: A dentifrice composition comprising a water-soluble fluoride of the type customarily added to dentifrices as a caries-preventing agent, in an amount of 100 to 2,000 ppm calculated as fluorine, and 0.3 to 13% by weight of montmorillonite having the following composition (% by weight, calculated on an anhydrous basis):SiO.sub.2 : 60.0 - 70.0MgO : 2.0 - 5.0Fe.sub.2 O.sub.3 : 0 - 2.0Al.sub.2 O.sub.3 : 20.0 - 30.0Na.sub.2 O : 2.0 - 5.0or hectorite having the following composition (% by weight, calculated on an anhydrous basis):SiO.sub.2 : 50.0 - 65.0Na.sub.2 O : 2.5 - 5.0Fe.sub.2 O.sub.3 : 0 - 2.0MgO : 20.0 - 30.0Li.sub.2 O : 0.6 - 2.
    Type: Grant
    Filed: August 18, 1976
    Date of Patent: December 20, 1977
    Assignee: Kao Soap Co., Ltd.
    Inventors: Toshiro Asakawa, Atsuo Ishida, Shizuo Hayashi