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:
Mar. 31, 1998
Filed:
Mar. 26, 1997
Applicant:
Inventors:
Anna Sommazzi, S. Margherita Ligure, IT;
Fabio Garbassi, Novara, IT;
Giovanni Mestroni, Trieste, IT;
Barbara Milani, Gorizia, IT;
Assignee:
Enichem S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528392 ; 528392 ; 524701 ; 524707 ; 524709 ; 524712 ; 502102 ; 502103 ; 502202 ; 502208 ;
Abstract
Linear alternating copolymers of carbon monoxide and at least one compound containing an alkenyl unsaturation are obtained by reaction between carbon monoxide and at least one compound containing an alkenyl unsaturation, in a solvent which is liquid under the operating conditions, in the presence of a preformed bischelated catalyst having general formula (I) active without cocatalysts: