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:
Nov. 22, 2016
Filed:
Dec. 18, 2012
Valerie M Farrugia, Oakville, CA;
Rosa M Duque, Brampton, CA;
Valerie M Farrugia, Oakville, CA;
Rosa M Duque, Brampton, CA;
Xerox Corporation, Norwalk, CT (US);
Abstract
The present disclosure provides a bio-based, branched polyester resin comprising the condensation product of a hydroxyl donor, including glycerol carbonate, and a cyclic polyhydroxyl acceptor, such as abietic acid, neoabietic acid, palustric acid, levopimaric acid, dihydroabietic acid, pimaric acid, and isopimaric acid, that may be used with a polyacid, including fumaric acid, maleic acid, succinic acid, itaconic acid, dodecylsuccinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, and dodecane diacid, to form a polyester useful in manufacturing toner for imaging devices.