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. 27, 1976
Filed:
Jun. 20, 1974
Applicant:
Inventors:
Gunther Lehnert, Leverkusen-Waldsiedlung, DT;
Dieter Maertens, Leverkusen, DT;
Manfred Zimmermann, Cologne, DT;
Assignee:
Bayer Aktiengesellschaft, , DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 931 ;
Abstract
A process for the polymerisation of cyclooctadiene-(1,5) wherein cyclooctadiene-(1,5) is polymerised on halides of tungsten, molybdenum, tantalum, or rhenium as catalyst in the presence of bicyclo-[2,2,1]-heptadienes-(1,5) of the general formula (I) ##SPC1## as activator, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 denoting independently of each other, a monovalent hydrocarbon radical or hydrogen.