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:
Jan. 11, 1983
Filed:
Jan. 26, 1979
Applicant:
Inventors:
Albert Frese, Marl, DE;
Fritz Baxmann, Marl, DE;
Assignee:
Chemische Werke Huels, A.G., Marl, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
525 53 ; 526 65 ; 5263486 ; 526352 ; 526901 ;
Abstract
In a low pressure process for polymerizing ethene using a Ziegler mixed catalyst comprising (a) a titanium compound, a vanadium compound or a mixture thereof and (b) an aluminum-organic compound or a mixture thereof, an improvement is provided wherein the process is carried out in multi-stages comprising: