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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 5135976 B1

PDFFull Text
Date of Patent:
Aug. 04, 1992

Filed:

Aug. 05, 1991

Melt stabilized polyketone copolymer compositions containing glycidyl

Applicant:
Inventors:

Arend Kuindert Van Helden, Amsterdam, NL;

Wilhelmus J Klaver, Amsterdam, NL;

Abraham A Smaardijk, Amsterdam, NL;

Assignee:

Shell Oil Company, Houston, TX (US);

Attorney:

Okorafor; James O.

Primary Examiner:

Paul R Michl

Assistant Examiner:

Tae H Yoon

Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524114 ;
Abstract

A melt stabilized copolymer composition comprising a major amount of an alternating copolymer of carbon monoxide with one or more olefinically unsaturated compounds and a minor amount of at least one stabilizing additive which stabilizing additive is a glycidyl ether which comprises per molecule at least one epoxy group and at least one functional group selected from primary alcoholic hydroxy groups and ketonic carbonyl groups. A process for producing the composition and the melt stabilizing agents are also disclosed.

Find Patent Forward Citations

Van Helden, Arend. (1992). Melt stabilized polyketone copolymer compositions containing glycidyl (U.S. Patent No. 5135976). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5135976

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

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