logo

For the Inventor, By the Inventor

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.:

US 9745466 B1

PDFFull Text
Date of Patent:
Aug. 29, 2017

Filed:

Nov. 16, 2015

Copolycarbonate and composition containing the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Jung Jun Park, Daejeon, KR;

Hyong Min Bahn, Daejeon, KR;

Young Young Hwang, Daejeon, KR;

Moo Ho Hong, Daejeon, KR;

Ki Jae Lee, Daejeon, KR;

Min Jeong Kim, Daejeon, KR;

Byoung Kyu Chun, Daejeon, KR;

Un Ko, Daejeon, KR;

Young Wook Son, Daejeon, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:

Dentons US LLP

Primary Examiner:

David Buttner

Int. Cl.
CPC ...
C08L 69/00 (2006.01); C08G 64/18 (2006.01); C08G 77/448 (2006.01); C08G 64/38 (2006.01); C08J 5/00 (2006.01); C08G 64/16 (2006.01); C08G 64/06 (2006.01); C08G 64/30 (2006.01); C08G 64/08 (2006.01); C08K 5/3475 (2006.01); C08L 83/04 (2006.01);
U.S. Cl.
CPC ...
C08L 69/00 (2013.01); C08G 64/06 (2013.01); C08G 64/085 (2013.01); C08G 64/1666 (2013.01); C08G 64/1691 (2013.01); C08G 64/18 (2013.01); C08G 64/186 (2013.01); C08G 64/307 (2013.01); C08G 64/38 (2013.01); C08G 77/448 (2013.01); C08J 5/00 (2013.01); C08K 5/3475 (2013.01); C08L 69/005 (2013.01); C08L 83/04 (2013.01); C08L 2201/10 (2013.01); C08L 2205/02 (2013.01); C08L 2205/025 (2013.01);
Abstract

Disclosed is a copolycarbonate including an aromatic polycarbonate-based first repeating unit; and one or more aromatic polycarbonate-based second repeating units having siloxane bonds represented by Chemical Formula 2 and Chemical Formula 3: The copolycarbonate provides improved impact strength at low-temperature and improved YI (yellow index) simultaneously.

Find Patent Forward Citations

Park, Jung. (2017). Copolycarbonate and composition containing the same (U.S. Patent No. 9745466). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9745466

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…