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. 05, 2013
Filed:
Sep. 29, 2010
Hans DE Brouwer, Oisterwijk, NL;
Robert Dirk Van DE Grampel, Tholen, NL;
Jan Henk Kamps, Bergen op Zoom, NL;
Jan-pleun Lens, Rotterdam, NL;
Hendrik Theodurus Van DE Grampel, Mijnsheerenland, NL;
Hans de Brouwer, Oisterwijk, NL;
Robert Dirk van de Grampel, Tholen, NL;
Jan Henk Kamps, Bergen op Zoom, NL;
Jan-Pleun Lens, Rotterdam, NL;
Hendrik Theodurus van de Grampel, Mijnsheerenland, NL;
Abstract
Disclosed herein is a polycarbonate polymer comprising: an isosorbide unit, a polysiloxane unit, and an aliphatic unit different from the isosorbide unit, wherein the isosorbide unit, polysiloxane unit, and aliphatic unit are each carbonate, or a combination of carbonate and ester units, the aliphatic unit different from the isosorbide unit is derived from an aliphatic oligomer having a molecular weight of 900 to 4000, and the calculated bio-content is greater than or equal to 40 weight percent, based on the total weight of the polycarbonate polymer.