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.

Date of Patent:
Dec. 31, 2024

Filed:

Nov. 07, 2019
Applicant:

Mitsubishi Chemical Corporation, Chiyoda-ku, JP;

Inventors:

Yohei Nishino, Hiratsuka, JP;

Norikazu Konishi, Chiyoda-ku, JP;

Yuuichi Yayama, Chiyoda-ku, JP;

Hiroki Shibata, Chiyoda-ku, JP;

Toshiki Monden, Chiyoda-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 69/00 (2006.01); C08G 64/06 (2006.01); C08G 64/30 (2006.01); C08K 5/3447 (2006.01);
U.S. Cl.
CPC ...
C08L 69/00 (2013.01); C08G 64/06 (2013.01); C08G 64/307 (2013.01); C08K 5/3447 (2013.01); C08L 2205/02 (2013.01); C08L 2205/025 (2013.01);
Abstract

Provided is an aromatic polycarbonate resin composition that exhibits an excellent surface hardness and strength as well as an excellent designability and lightfastness. The aromatic polycarbonate resin composition contains a carbonate structural unit (X) derived from an aromatic dihydroxy compound represented by a prescribed formula (1) and a carbonate structural unit (Y) derived from an aromatic dihydroxy compound represented by a prescribed formula (2) in a proportion of (X)/(Y)=10/90 to 40/60 as a molar ratio, wherein an amount of a cresolic hydroxy group derived from the aromatic dihydroxy compound represented by formula (1) is 60 to 160 ppm.


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