Patents by Inventor Seiji Shin-ya

Seiji Shin-ya 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).

  • Fluorosilicone polymer, processes for the production thereof and composition containing it
    Patent number: 4814418
    Abstract: A fluorosilicone polymer comprising from 30 to 99.95 mol % of units of a cyclic trisiloxane of the formula (a) --R.sub.f CH.sub.2 CH.sub.2 (R.sup.1)SiO--.sub.3, from 0.05 to 10 mol % of units of a cyclic siloxane of the formula (b) --R.sup.2 R.sup.3 SiO--.sub.m, and from 0 to 69.95 mol % of units of a cyclic siloxane of the formula (c) --R.sup.4 R.sup.5 SiO--.sub.n, wherein each of R.sup.1, R.sup.3, R.sup.4 and R.sup.5 is a monovalent organic group, R.sub.f is a perfluoroalkyl group having from 4 to 6 carbon atoms, R.sup.2 is an alkenyl group, and each of m and n is an integer of from 3 to 6.
    Type: Grant
    Filed: August 7, 1987
    Date of Patent: March 21, 1989
    Assignee: Asahi Glass Company, Ltd.
    Inventors: Haruhisa Miyake, Seiji Shin-ya, Yutaka Furukawa