Title:
METHOD FOR MANUFACTURING COLOR FILTER PIGMENT
Document Type and Number:
WIPO Patent Application WO/2022/049686
Kind Code:
A1
Abstract:
A method for manufacturing a color filter pigment, the method having a kneading step for kneading a mixture containing a crude pigment, an inorganic salt, and an organic solvent at a maximum shear rate exceeding 800 s-1, the crude pigment being configured from a halogenated metal phthalocyanine having zinc, iron, aluminum, magnesium, silicon, or vanadium as the central metal thereof, and the amount of electric power consumed in kneading of the mixture in the kneading step being greater than 10.0 kWh per 1 kg of the crude pigment.
Inventors:
SAKAMOTO KEISUKE (JP)
OISHI KENTARO (JP)
SHIMIZU NOZOMI (JP)
ASAMI RYOUSUKE (JP)
YASUI KENGO (JP)
TOKUOKA MAYUMI (JP)
SHIMADA KATSUNORI (JP)
OISHI KENTARO (JP)
SHIMIZU NOZOMI (JP)
ASAMI RYOUSUKE (JP)
YASUI KENGO (JP)
TOKUOKA MAYUMI (JP)
SHIMADA KATSUNORI (JP)
Application Number:
PCT/JP2020/033338
Publication Date:
March 10, 2022
Filing Date:
September 02, 2020
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C09B67/20; G02B5/20
Domestic Patent References:
| WO2018043548A1 | 2018-03-08 |
Foreign References:
| JP2009256615A | 2009-11-05 | |||
| JP2017105934A | 2017-06-15 | |||
| JP2008024743A | 2008-02-07 | |||
| JPH04122778A | 1992-04-23 | |||
| JPH06316675A | 1994-11-15 | |||
| JP2006299138A | 2006-11-02 | |||
| JPS387117B1 | 1963-05-27 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Download PDF: