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. 30, 2010
Filed:
Aug. 06, 2007
Daniel J. Brunelle, Burnt Hills, NY (US);
Martino Colonna, Bologna, IT;
Maurizio Fiorini, Anzola Emilia, IT;
Corrado Berti, Lugo, IT;
Enrico Binassi, Bologna, IT;
Daniel J. Brunelle, Burnt Hills, NY (US);
Martino Colonna, Bologna, IT;
Maurizio Fiorini, Anzola Emilia, IT;
Corrado Berti, Lugo, IT;
Enrico Binassi, Bologna, IT;
SABIC Innovative Plastics IP B.V., Bergen op Zoom, NL;
Abstract
A sulfonated telechelic polycarbonate is described which is produced by melt synthesis. A dihydroxy compound is reacted with a sulfobenzoic acid salt, then with an activated carbonate. The method results in a sulfonated telechelic polycarbonate which has a high percentage of sulfonated end groups, is soluble, and is transparent.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile