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. 21, 1990
Filed:
Sep. 01, 1988
Bridgestone Corporation, Tokyo, JP;
Abstract
Rubber compositions excellent in adhesion to metals, particularly suitable for steel cord coating rubbers, having a high vulcanizing rate and little offensive smell in an unvulcanized state, which comprise 100 parts by weight of a rubber and 0.01.about.1 part by weight as a cobalt element content of at least one cobalt oxyketone complex represented by the following general formula: ##STR1## wherein R.sub.1 .about.R.sub.4 are same or different C.sub.1.about.18 alkyl, C.sub.5.about.12 cycloalkyl, C.sub.6.about.14 aryl-C.sub.1.about.4 alkyl, C.sub.1.about.18 alkoxyl, C.sub.5.about.12 cycloalkoxyl, C.sub.6.about.14 aryloxyl, C.sub.6.about.14 aryl-C.sub.1.about.4 alkoxyl groups, or C.sub.2.about.18 hydrocarbon groups having at least one double bond.