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:
Sep. 10, 2002
Filed:
May. 01, 2000
Applicant:
Inventors:
Marvin D. Rausch, Amherst, MA (US);
Emma J. Thomas, Amherst, MA (US);
Serge Bettonville, Crisnee, BE;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 7/08 ;
U.S. Cl.
CPC ...
C07F 7/08 ;
Abstract
Novel silylene or ethylene bis(tetrahydrofluorenyl)metallocenes are synthesized and used as olefin polymerization catalysts.
Rausch, Marvin. (2002). Tetrahydrofluorenyl containing group 4 metallocenes useful as catalysts for the polymerization of olefins, process for their preparation and use of said metallocenes for the polymerization of olefins (U.S. Patent No. 6448424). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6448424
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile