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:
Dec. 05, 1989
Filed:
Aug. 27, 1986
Applicant:
Inventors:
Yasuyuki Kato, Ehime, JP;
Masahiro Yuyama, Ehime, JP;
Masahiko Moritani, Ehime, JP;
Yukio Yasunori, Osaka, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
2643286 ; 264-11 ; 26433118 ; 264337 ; 525263 ; 525308 ; 5253297 ;
Abstract
An unsaturated compound having a vinyl or vinylidene group is rapidly in-mold polymerized by mixing the unsaturated compound containing a polymerization initiator and the unsaturated compound containing a polymerization accelerator, pouring the mixture into a mold cavity and polymerizing the monomer for not longer than 30 minutes.