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. 14, 1993
Filed:
Sep. 13, 1991
Applicant:
Inventor:
David L Kershner, Bronxville, NY (US);
Assignee:
Akzo nv, Arnhem, NL;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528392 ;
Abstract
Polyketone compositions can be prepared by polymerizing carbon monoxide and at least one ethylenically unsaturated monomer using a catalyst system containing a palladium compound, an anion of a non-hydrohalogenic acid, and a phosphorus compound bidentate ligand, a bis(diphenylphosphino)oxaalkane compound which can have the formulae: ##STR1## where R is an alkylene bridging group.
Kershner, David. (1993). Process for preparing polyketone using bis(diphenylphosphino) oxaalkane (U.S. Patent No. 5270440). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5270440
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile