Title:
色素製剤の製造方法
Document Type and Number:
Japanese Patent JP7340411
Kind Code:
B2
Abstract:
To provide a manufacturing method of a dye formulation containing crocetin capable of suppressing generation of coagulation/precipitation even when used in an acidic region, and capable of coloring with a yellow tone and a dye formulation.SOLUTION: A manufacturing method of a dye formulation contains a step of preparing a dye liquid that contains crocetin, polyglyceryl fatty acid ester, and a thickening polysaccharide, and has the pH of alkalinity, and a step of preparing the dye liquid to neutrality, the dye formulation contains the crocetin, polyglyceryl fatty acid ester, and the thickening polysaccharide, and has the pH of neutrality.SELECTED DRAWING: Figure 1
Inventors:
Shohei Hisahito
Application Number:
JP2019192122A
Publication Date:
September 07, 2023
Filing Date:
October 21, 2019
Export Citation:
Assignee:
Kobe Kasei Co., Ltd.
International Classes:
C09B61/00; A23L5/44; C09B23/08; C09B67/44
Domestic Patent References:
| JP7023736A | ||||
| JP10191840A | ||||
| JP2011168649A | ||||
| JP2014025039A | ||||
| JP2008136432A |
Foreign References:
| EP2580966A1 |
Attorney, Agent or Firm:
Seiichi Saito
Suzuki Eniwa
Suzuki Eniwa