The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 03, 1999
Filed:
Jul. 17, 1997
Applicant:
Inventors:
Yoshifumi Noto, Saitama, JP;
Koichiro Matsuki, Chiba, JP;
Assignee:
Dainippon Ink and Chemicals, Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 39 ;
Abstract
A partially silylated organosilicic acid polymer is disclosed. The polymer has a weight average molecular weight of from 2,000 to 6,000 and is prepared by silylating a purified sodium silicate having an M.sub.w /M.sub.n ratio of not more than 1.8.