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:
Jun. 08, 1993
Filed:
Nov. 12, 1991
Applicant:
Inventors:
Abe W De Jong, Amsterdam, NL;
Johannes J Keijsper, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528392 ; 528 86 ; 528205 ;
Abstract
Novel polymers of carbon monoxide with styrene and/or with one or more substituted styrenes having a M.sub.n >30,000 are prepared by contacting the monomers with a catalyst composition formed from a palladium compound, a strong acid with a pKa less than -3, a nitrogen bidentate ligand, and an organic oxidizing agent.