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:
Jan. 21, 2020
Filed:
Jun. 29, 2017
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Un Ko, Daejeon, KR;
Byoungkue Chun, Daejeon, KR;
Moo Ho Hong, Daejeon, KR;
Young Wook Son, Daejeon, KR;
Tae Yun Ko, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/24 (2006.01); C08G 64/40 (2006.01); C08K 5/5313 (2006.01); C08K 5/526 (2006.01); C08K 5/134 (2006.01); C08K 5/13 (2006.01); C08K 5/1515 (2006.01);
U.S. Cl.
CPC ...
C08G 64/406 (2013.01); C08G 64/24 (2013.01); C08K 5/13 (2013.01); C08K 5/134 (2013.01); C08K 5/1515 (2013.01); C08K 5/526 (2013.01); C08K 5/5313 (2013.01);
Abstract
The present invention provides a method for preparing a polycarbonate by removing a solvent from a polycarbonate polymerization solution without impairing the physical properties of the polycarbonate.