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:
Apr. 02, 2002
Filed:
May. 31, 2001
Sukhendu Bikash Hait, Tuscaloosa, AL (US);
Mohan Mark Amaratunga, Clifton Park, NY (US);
David Paul Mobley, Niskayuna, NY (US);
General Electric Company, Schenectady, NY (US);
Abstract
A method for preparing a polyestercarbonate copolymer using solid state polymerization and polyestercarbonates prepared thereby is described. The method comprises preparing a mixture comprising partially crystalline bisphenol A polycarbonate oligomer and hydroxy acids, aliphatic diacids, cycloaliphatic diacids, aromatic diacids or aromatic triacids and subjecting that mixture to solid state polymerization to afford a polyestercarbonate copolymer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile