Patents by Inventor Koji Sakuta

Koji Sakuta 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).

  • Organosilicon compounds
    Patent number: 4960898
    Abstract: Organosilicon compounds represented by the general formula: ##EQU1## and preparing process thereof were disclosed; where a lies in the range 1.ltoreq.a.ltoreq.3 and b lies in the range 0.001.ltoreq.b .ltoreq.2,R.sup.1 are identical or dissimilar monovalent saturated or unsaturated hydrocarbons with 1-30 carbon atoms,R.sup.2 is a monovalent organic group represented byCR.sup.3.sub.2 CR.sup.3 (H)CR.sup.3.sub.2 --R.sup.3,R.sup.3 are hydrogen atoms or monovalent saturated hydrocarbon groups with 1-5 carbon atoms.R.sup.4 are monovalent organic groups represented by the formula: ##STR1## R.sup.5 being identical to said R.sup.1 or halogen atoms, alkoxy groups, carboxyl groups, hydroxyl groups or amino groups, d is an integer from 0 to 4 and c is an integer from 0 to 3.
    Type: Grant
    Filed: March 15, 1990
    Date of Patent: October 2, 1990
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Koji Sakuta, Satoshi Kuwata, Shigeru Mori