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. 24, 2024
Filed:
Sep. 25, 2019
Dic Corporation, Tokyo, JP;
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Takahiko Ootsubo, Sakura, JP;
Hitoshi Sekine, Sakura, JP;
Kouji Nemoto, Tsukuba, JP;
Atsushi Yamamoto, Tsukuba, JP;
Ken-ichi Tominaga, Tsukuba, JP;
Masumi Asakawa, Tsukuba, JP;
Kazuhiko Sato, Tsukuba, JP;
DIC CORPORATION, Tokyo, JP;
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, Tokyo, JP;
Abstract
A modified pigment having excellent color tone selectivity is provided by laking dye by an environmentally friendly method without using metal. A modified pigment according to the present invention is obtained by laking a dye containing at least one of an acidic group and a basic group with at least one of an amino acid and protein.