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:
Apr. 25, 2017
Filed:
Oct. 28, 2014
Cqv Co., Ltd., Chungcheongbuk-do, KR;
Min Choi, Gwangju, KR;
Kum-Sung Cho, Chungcheongbuk-do, KR;
Kwang-Choong Kang, Cheongju-si, KR;
Byung-Ki Choi, Cheongju-si, KR;
Kwang-Soo Lim, Chungcheongbuk-do, KR;
Kil-Wan Chang, Cheongju-si, KR;
CQV CO., LTD., Chungcheongbuk-Do, KR;
Abstract
The present invention relates to a method of preparing a colored gloss pigment using a natural dye. According to the present disclosure, the method may include preparing a dye from a dye material of natural dyes; titrating the dye with an inorganic salt solution and subsequently adjusting a pH neutral to prepare a natural pigment containing the dye; dispersing a substrate coated with a metal oxide into a DI water to form a substrate suspension; and introducing a pH adjusting agent and the natural pigment into the substrate suspension to coat a surface of the substrate with the natural pigment.