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.:

US 7030200 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 18, 2006

Filed:

Mar. 05, 2003
Applicants:

Maurice Brookhart, Chapel Hill, NC (US);

Olafs Daugulis, Carrboro, NC (US);

Inventors:

Maurice Brookhart, Chapel Hill, NC (US);

Olafs Daugulis, Carrboro, NC (US);

Assignees:

E.I. du Pont de Nemours and Company, Wilmington, DE (US);

University of North Carolina, Chapel Hill, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); C07F 15/04 (2006.01); C08F 4/70 (2006.01);
U.S. Cl.
CPC ...
Abstract

Late transition metal complexes of certain ligands which contain phosphinidine and/or imine groups are useful as components of polymerization catalysts for olefins. Useful metals in the complexes include Ni, Pd, Fe and Co. Oligomers and/or polymers of olefins such as ethylene can be made.


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Brookhart, Maurice. (2006). Catalysts for olefin polymerization (U.S. Patent No. 7030200). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7030200

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