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:
Apr. 01, 1997
Filed:
Feb. 27, 1996
Applicant:
Inventors:
Karl-Heinz A Ostoja-Starzewski, Bad Vilbel, DE;
Josef Witte, Cologne, DE;
Herbert Bartl, Odenthal, DE;
Karl-Heinz Reichert, Berlin, DE;
Georgios Vasiliou, Berlin, DE;
Assignee:
Bayer AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
502154 ; 526 75 ; 526 96 ; 5263483 ; 526352 ; 502256 ; 502320 ;
Abstract
Branched low-pressure polyethylenes are prepared by oligomerization of ethylene on a nickel-containing catalyst and polymerization of the oligomers obtained, if appropriate in the presence of ethylene, on a chromium-containing catalyst.