Patents by Inventor Kenichi Katabe

Kenichi Katabe 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: 4515852
    Abstract: A leather-like sheet material having low slip characteristics comprising:a sheet material having a fibrous substrate and a surface layer consisting of a polymer mainly composed of polyurethane elastomer, andan acryl-modified polyurethane resin spread on the said surface,whereby the sheet material has a remarkably high friction coefficient, and is adapted to balls, baseball gloves, bags, cases and the like which are required to prevent slipperiness.
    Type: Grant
    Filed: May 6, 1983
    Date of Patent: May 7, 1985
    Assignees: Kuraray Co., Ltd., Kao Soap Co., Ltd.
    Inventors: Kenichi Katabe, Takeo Nishimura
  • Patent number: 4250047
    Abstract: Synthetic fibers are treated for the purpose of lubrication with a compound of the formula: ##STR1## wherein R.sub.1 is hydrogen or phenyl, R.sub.2 is an alkylene group having 1 to 3 carbon atoms, R.sub.3 is an alkylene group having 2 to 4 carbon atoms or a mixed alkylene group thereof, R.sub.4 is hydrogen, an acyl having 1 to 18 carbon atoms or alkyl group having 1 to 18 carbon atoms, p is a number of from 2 to 5 and n is a number of from 1 to 50.
    Type: Grant
    Filed: May 24, 1979
    Date of Patent: February 10, 1981
    Assignee: Kao Soap Co., Ltd.
    Inventors: Kenichi Katabe, Takeshi Hirota, Osamu Wakasugi
  • Patent number: 4144178
    Abstract: A composition for lubricating synthetic fibers, which comprises(i) a base oil containing compounds of the formula (I): ##STR1## wherein R and R" each are hydrogen or acyl having 1 to 22 carbon atoms, R' is alkylene having 2 to 4 carbon atoms, and x and y each is an integer of at least 1, with the proviso that the sum of x and y does not exceed 50,And at least one ester selected from the group consisting of esters of aliphatic monohydric alcohols with monobasic fatty acids, dibasic fatty acids or mixture thereof and esters of aliphatic polyhydric alcohols with monobasic fatty acids, said ester having a kinematic viscosity not higher than 70 centistokes measured at 30.degree. C., and(ii) a polymer of 2,2,4-trimethyl-1,2-dihydroquinoline.
    Type: Grant
    Filed: July 18, 1978
    Date of Patent: March 13, 1979
    Assignee: Kao Soap Co., Ltd.
    Inventors: Kenichi Katabe, Takeshi Hirota