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. 03, 1999
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Jurgen Rohrmann, Kelkheim, DE;
Volker Dolle, Kelkheim, DE;
Andreas Winter, Glashutten, DE;
Frank Kuber, Oberursel, DE;
Assignee:
Targor GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526160 ; 526127 ; 526134 ; 526943 ; 526150 ; 502117 ; 502103 ;
Abstract
A very effective catalyst system for olefin polymerization comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula I ##STR1## in which, preferably, M.sup.1 is Zr or Hf, R.sup.1 and R.sup.2 are halogen or alkyl, R.sup.3 is alkyl, R.sup.4 to R.sup.10 are alkyl or hydrogen and R.sup.11 is a (substituted) alkylene or heteroatom bridge.
Rohrmann, Jurgen. (1999). Metallocenes having benzo-fused indenyl derivatives as ligands, (U.S. Patent No. 5932669). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5932669
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile