Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DYE DISPERSANT
Document Type and Number:
WIPO Patent Application WO/2021/182502
Kind Code:
A1
Abstract:
A dye dispersant containing a composition obtained through sulfo-methylation of lignin, wherein the composition contains 1.5-4.5 mass% of Na2SO4 and has a S-content of 1.0-6.0 mass% in a group represented by formula (1): -SO3M (in formula (1), M represents a hydrogen atom, a monovalent metal salt, or a divalent metal salt).

Inventors:
NISHIMORI YOSHITO (JP)
AIMI HIKARU (JP)
SHINDO HIROKI (JP)
Application Number:
PCT/JP2021/009481
Publication Date:
September 16, 2021
Filing Date:
March 10, 2021
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
JUJO PAPER CO LTD (JP)
International Classes:
B01F17/50; C09B51/00; C09B67/20
Foreign References:
JP2019189776A2019-10-31
JP2020111530A2020-07-27
JP2004507605A2004-03-11
JP2002146028A2002-05-22
JPS5270181A1977-06-10
CN104356689A2015-02-18
CN104672467A2015-06-03
CN107790060A2018-03-13
Attorney, Agent or Firm:
FUJIMOTO Yoshihiro (JP)
Download PDF: