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:
Dec. 08, 1992
Filed:
Apr. 22, 1991
Applicant:
Inventors:
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528392 ;
Abstract
Regio-regular copolymers of carbon monoxide and an ethylenically unsaturated hydrocarbon are produced by contacting the carbon monoxide and hydrocarbon under polymerization conditions in the presence of a more active catalyst composition formed from a palladium compound, the anion of a strong nonhydrohalogenic acid, and a tetraalkyl diphosphine ligand.
van Doorn, Johannes. (1992). Preparation of regio-regular copolymer of co/olefin of at least three (U.S. Patent No. 5169928). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5169928
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile