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:
May. 17, 1983
Filed:
Nov. 03, 1981
Applicant:
Inventors:
Gunter Bucksch, Duisburg, DE;
Herbert Tyras, Duisburg, DE;
Assignee:
Rutgerswerke Aktiengesellschaft, Frankfurt am Main, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
525369 ; 526212 ; 526290 ;
Abstract
In a process for the polymerization of unsaturated aromatic hydrocarbons with BF.sub.3 -etherate or BF.sub.3 -phenolate as the polymerization catalyst, the improvement comprising using BF.sub.3 -alcoholates as a co-catalyst.