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:
Aug. 14, 1990
Filed:
May. 12, 1989
Applicant:
Inventors:
Johannes Van Doorn, Amsterdam, NL;
Arris H Kramer, Amsterdam, NL;
Johannes J Maria Snel, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528392 ; 502162 ;
Abstract
Linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon are produced in the presence of novel catalyst compositions formed from a palladium salt, the anion of a non-hydrohalogenic acid having a pKa less than 2 and a bidentate ligand having one atom of phosphorous and one atom of sulfur or selenium.
Quick Actions:
Van Doorn, Johannes. (1990). Polymerization process (U.S. Patent No. 4948870). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4948870
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile