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:
Dec. 01, 2020
Filed:
Jun. 13, 2017
Applicant:
Kuraray Co., Ltd., Kurashiki, JP;
Inventor:
Yushi Ozawa, Tainai, JP;
Assignee:
KURARAY CO., LTD., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/18 (2006.01); B32B 27/20 (2006.01); B29C 55/04 (2006.01); B32B 27/30 (2006.01); B29C 48/00 (2019.01); C08J 7/04 (2020.01); C08L 33/12 (2006.01); B29C 48/69 (2019.01); B29K 33/00 (2006.01); C08K 3/04 (2006.01); C08K 5/00 (2006.01); C08K 5/18 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); B29C 48/00 (2019.02); B29C 55/04 (2013.01); B32B 27/20 (2013.01); B32B 27/30 (2013.01); C08J 7/0427 (2020.01); C08L 33/12 (2013.01); B29C 48/69 (2019.02); B29K 2033/12 (2013.01); B29K 2995/002 (2013.01); C08J 2333/12 (2013.01); C08K 3/04 (2013.01); C08K 5/0041 (2013.01); C08K 5/18 (2013.01); C08L 2203/16 (2013.01); C08L 2205/02 (2013.01);
Abstract
A black film containing a thermoplastic resin (A) that contains two or more types of dyes other than black, where a thickness T is 45 to 550 μm, a total concentration C of the dyes other than black is 0.4 to 5 mass % with respect to the thermoplastic resin (A), the total concentration C of the dyes and the thickness T satisfy the following expression (1):≥210  (1)