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:
Jun. 22, 1976
Filed:
Jun. 03, 1974
Applicant:
Inventors:
Sachio Shimogawa, Amagasaki, JA;
Takashi Fujio, Amagasaki, JA;
Mikio Arika, Nishinomiya, JA;
Nobuo Yamada, Amagasaki, JA;
Takashi Kodama, Itami, JA;
Tetsuya Nakata, Ibaragi, JA;
Assignee:
Osaka Soda Co., Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08L / ; C08J / ;
U.S. Cl.
CPC ...
260 / ; 252393 ; 260 / ; 260 77 ;
Abstract
Improved process for preparing a cross-linked epichlorohydrin elastomer composition by heating an epichlorohydrin elastomer in the presence of a compound selected from the group consisting of the quinones and derivatives thereof of the following formula ##SPC1## Wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, are each a member selected from the class consisting of hydrogen and the hydrocarbon groups, and R.sub.1 and R.sub.2 taken together, may form a benzene ring.