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:
Feb. 24, 2015
Filed:
Mar. 13, 2014
Applicant:
Sabic Innovative Plastics Ip B.v., Bergen op Zoom, NL;
Inventors:
Ignacio Vic Fernandez, Santo Angel, ES;
Mykhaylo Lyakhovych, Murcia, ES;
Sergio Ferrer Nadal, Granada, ES;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/00 (2006.01); C08G 64/30 (2006.01); C07C 69/96 (2006.01); C08G 63/02 (2006.01);
U.S. Cl.
CPC ...
C08G 64/307 (2013.01); C07C 69/96 (2013.01);
Abstract
A method for producing a polycarbonate comprising: reacting a diaryl carbonate with a dihydroxy compound to form a polycarbonate, wherein the polycarbonate comprises: less than or equal to 1000 ppb of molybdenum; less than or equal to 33 ppb of vanadium; less than or equal to 33 ppb of chromium; less than or equal to 375 ppb of niobium; less than or equal to 33 ppb of nickel; less than or equal to 10 ppb of zirconium; and less or equal to 10 ppb iron.