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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 9745417 B1

PDFFull Text
Date of Patent:
Aug. 29, 2017

Filed:

Nov. 16, 2015

Copolycarbonate and composition comprising the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Young Young Hwang, Daejeon, KR;

Hyong Min Bahn, Daejeon, KR;

Jung Jun Park, Daejeon, KR;

Moo Ho Hong, Daejeon, KR;

Ki Jae Lee, Daejeon, KR;

Young Wook Son, Daejeon, KR;

Byoung Kyu Chun, Daejeon, KR;

Un Ko, 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 64/08 (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); C08K 5/3475 (2006.01); C08L 83/04 (2006.01); C08G 64/24 (2006.01); C08L 83/10 (2006.01);
U.S. Cl.
CPC ...
C08G 64/085 (2013.01); C08G 64/06 (2013.01); C08G 64/1666 (2013.01); C08G 64/1691 (2013.01); C08G 64/18 (2013.01); C08G 64/186 (2013.01); C08G 64/24 (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 69/00 (2013.01); C08L 69/005 (2013.01); C08L 83/04 (2013.01); C08L 83/10 (2013.01); C08L 2201/10 (2013.01); C08L 2205/02 (2013.01); C08L 2205/025 (2013.01);
Abstract

Disclosed is a polycarbonate composition including a polycarbonate; and a copolycarbonate, where the copolycarbonate includes an aromatic polycarbonate-based first repeating unit; and aromatic polycarbonate-based second repeating units having siloxane bonds, which include a repeating unit represented by Chemical Formula 2 and a repeating unit represented by Chemical Formula 3, where the copolycarbonate has an impact strength at room temperature of 840 to 1000 J/m as measured at 23° C. in accordance with ASTM D256 (⅛ inch, Notched Izod), and the copolycarbonate satisfies Equation 1: TS/TS≧0.80.  [Equation 1] The copolycarbonate in the composition provides an improved chemical resistance and impact strength simultaneously.

Find Patent Forward Citations

Hwang, Young. (2017). Copolycarbonate and composition comprising the same (U.S. Patent No. 9745417). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9745417

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

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