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. 26, 1998
Filed:
Jan. 31, 1997
Applicant:
Inventors:
Eric Johannes De Boer, Amsterdam, NL;
Henricus Jacobus De Boer, Hoofddorp, NL;
Hero Jan Heeres, Amsterdam, NL;
Assignee:
Union Carbide Chemicals & Plastics Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
502117 ; 502103 ; 502152 ; 502113 ; 556 20 ; 526943 ;
Abstract
Catalyst compositions for the oligomerization or polymerization of olefinically unsaturated hydrocarbons, comprising a heterocyclopentadienyl of the general formula