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. 17, 1993
Filed:
Jan. 24, 1992
Applicant:
Inventors:
Corrado Berti, Raveena, IT;
Francesco Pilati, Bologna, IT;
Virna Bonora, Bologna, IT;
Maurizio Fiorini, Bazzano, IT;
Italo Borghi, Ferrara, IT;
Leonardo Fiore, Milan, IT;
Assignee:
ECP Enichem Polimeri S.r.l., Milan, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
528272 ; 528196 ; 528271 ; 528279 ;
Abstract
A process for preparing aromatic polyesters having excellent physico-mechanical and solvent-resistance properties, consisting in reacting at least a dialkyl ester of an aromatic diacid with an aromatic polycarbonate and/or an aromatic dialkyldicarbonate in the presence of an esterification or transesterification catalyst.