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.

Date of Patent:
Apr. 17, 1990

Filed:

Sep. 21, 1988
Applicant:
Inventor:

Andrea E Martin, Avondale, PA (US);

Assignee:

Hercules Incorporated, Wilmington, DE (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
502113 ; 502111 ; 526114 ; 526116 ; 526141 ; 526142 ; 526143 ; 526283 ;
Abstract

A metathesis polymerization catalyst composition comprising a binuclear catalyst, wherein said binuclear catalyst is a mixture of at least two transition metal components, wherein a first transition metal component is a halide complex of tungsten, an oxyhalide complex of tungsten or a mixture thereof and a second transition metal component is a halide complex of a transition metal selected from the group consisting of high valent transition metals belonging to Groups IV or V of the Periodic Table, from about 1 to about 3 moles of phenolic compound per mole of tungsten component, activated by a metathesis catalyst activator and containing a rate moderator.


Find Patent Forward Citations

Martin, Andrea. (1990). Binuclear metathesis polymerization catalyst system (U.S. Patent No. 4918039). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4918039

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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