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:
Jul. 13, 1982
Filed:
Dec. 04, 1980
Kentaro Mashita, Ibaraki, JP;
Katsumi Hanji, Ibaraki, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
A process for producing olefin polymers, which comprises polymerizing or copolymerizing olefins in the presence of a catalyst comprising a solid catalyst component and an organoaluminum compound, said solid catalyst component being a titanium compound and/or a vanadium compound supported on a solid product obtained by the reaction between a Grignard compound and a boron compound represented by the general formula B(OR.sup.1).sub.a R.sup.2.sub.b R.sup.3.sub.c, wherein a, b and c are numbers defined by the formulas 0<a.ltoreq.3, 0.ltoreq.b<3, 0.ltoreq.c<3 and a+b+c=3, R.sup.1 represents a hydrocarbon radical having 1 to 20 carbon atoms, and R.sup.2 and R.sup.3, which may be the same or different, represent each a hydrogen atom, a hydrocarbon radical having 1 to 20 carbon atoms, or a halogen atom.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile