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:
Nov. 12, 2019
Filed:
Jul. 02, 2015
Toyo Ink SC Holdings Co., Ltd., Tokyo, JP;
Toyocolor Co., Ltd., Tokyo, JP;
Nobuyuki Nahata, Tokyo, JP;
Katsumi Watanabe, Tokyo, JP;
Yu Morita, Tokyo, JP;
Motoki Masuda, Tokyo, JP;
Toshiaki Hirayama, Tokyo, JP;
TOYO INK SC HOLDINGS CO., LTD., Tokyo, JP;
TOYOCOLOR CO., LTD., Tokyo, JP;
Abstract
Provided is a layered product with high jet-black. A layered product according to the present invention is a layered product () including at least a first layer () and a second layer () that are stacked. A value of L* in a L*a*b* color system defined by JIS Z8729 of the first layer () is ten or less. The second layer () is formed on the first layer () and 0.1 to 1 mass % of carbon nanotubes are contained in a material constituting the second layer (2). In the L*a*b* color system defined by JIS Z8729, when values are measured from a side of a plane of the second layer (2), a value of L* is 2.5 or less, a value of a* is −2.0 or greater and 2.0 or less, and a value of b* is −2.0 or greater and 0.5 or less.