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:
Feb. 08, 1977
Filed:
Feb. 27, 1975
Kurt Rust, Frankfurt am Main, DT;
Erwin Schrott, Sulzbach, Taunus, DT;
Helmut Strametz, Frankfurt am Main, DT;
Hans-Jurgen Kablitz, Liederbach, Taunus, DT;
Hoechst Aktiengesellschaft, Frankfurt am Main, DT;
Abstract
A catalyst of high activity and stereospecificity in .alpha.-olefin polymerization is obtained by subjecting titanium trichloride, prepared from titanium tetrachloride by reduction with aluminum alkyl halides, to two thermal treatments, the second one being carried out in the presence of an dialkyl ether and a cyclopolyene, and/or after-treating the solid reaction product with an aluminum alkyl halide, optionally in the presence of a small amount of a cyclopolyene and/or an olefin.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile