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. 07, 2026
Filed:
Sep. 30, 2021
Applicant:
Shanghai Co-fun Biotech Co., Ltd., Shanghai, CN;
Inventors:
Xu Xie, Shanghai, CN;
Rongmin Kang, Shanghai, CN;
Xiaohui Liu, Shanghai, CN;
Jianjun Wu, Shanghai, CN;
Assignee:
SHANGHAI CO-FUN BIOTECH CO., LTD., Shanghai, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B 63/00 (2006.01); A61K 8/58 (2006.01); C09B 67/00 (2006.01); C09B 67/06 (2006.01);
U.S. Cl.
CPC ...
C09B 63/00 (2013.01); A61K 8/58 (2013.01); C09B 67/0003 (2013.01); C09B 68/20 (2013.01); A61K 2800/432 (2013.01);
Abstract
A high-hydrophobic, low-bleeding color lake powder, a method for preparing the same and a use thereof are provided. A color lake powder is dispersed into water, and a pH value of a system is adjusted to a range of 4 to 5.5. Then surface treating agents such as a silane coupling agent, a titanate coupling agent, a hydrogenated lecithin and an aliphatic acid are used to modify the color lake powder. Then pulverizing and drying the resultant to obtain the modified color lake powder.