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:
Feb. 27, 1990
Filed:
Mar. 14, 1988
Applicant:
Inventors:
Shohei Inoue, Tokyo, JP;
Takuzo Aida, Tokyo, JP;
Michihide Honma, Kobe, JP;
Katsuhiko Isayama, Kobe, JP;
Assignee:
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C07C / ; C08G / ;
U.S. Cl.
CPC ...
525404 ; 528416 ; 528421 ; 560224 ; 568616 ;
Abstract
A polyalkylene oxide having unsaturated end groups. The polymer has a distribution of molecular weight Mw/Mn of not more than 1.5, and a process for the same. The polymer is useful as rubber materials, and can provide cured rubber having an excellent elongation.