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. 16, 2005
Filed:
Jun. 15, 2004
Daniel Joseph Brunelle, Burnt Hills, NY (US);
Corrado Berti, Ravenna, IT;
Martino Colonna, Bologna, IT;
Maurizio Fiorini, Bologna, IT;
Laura Sisti, Bologna, IT;
Daniel Joseph Brunelle, Burnt Hills, NY (US);
Corrado Berti, Ravenna, IT;
Martino Colonna, Bologna, IT;
Maurizio Fiorini, Bologna, IT;
Laura Sisti, Bologna, IT;
General Electric Company, Niskayuna, NY (US);
Abstract
A method of preparing a telechelic ionomeric polyester includes reacting a first diol with a sulfoaromatic carboxylic acid salt to form a sulfoaromatic carboxylate ester salt, and reacting the sulfoaromatic carboxylate ester salt with a diester and a second diol in the presence of a transesterification catalyst to form a telechelic ionomeric polyester. Also disclosed are telechelic ionomeric polyesters.