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. 08, 1976
Filed:
Jan. 02, 1975
Erik G Tornqvist, Scotch Plains, NJ (US);
Charles Cozewith, Westfield, NJ (US);
Exxon Research and Engineering Company, Linden, NJ (US);
Abstract
Ziegler-type hydrocarbon-soluble catalyst systems for the polymerization of conjugated diolefins, or mixtures thereof, to obtain high molecular weight polymers possessing varying proportions of trans-1,4 units, in the range of 50-90%. The catalyst systems are based on a non-reduced salt of titanium, an organometallic compound, and an iodine-containing compound, or iodine corresponding to the generalized formula Ti(halide).sub.4 -M.sub.n I.sub.m -AlR.sub.a X.sub.3 -a, where M is aluminum or tetravalent tin, n is 0 or 1, m is the valence of M and where n is 0, m is 2, X is Cl, Br or I, a is 2 to 3, R is alkyl, halide is Cl, Br or I, and where halide is I, M.sub.n I.sub.m may be omitted.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile