Process for dispersing sensitizing dyes

Details Process for dispersing sensitizing dyes Process for dispersing sensitizing dyes

1975-06-06

1977-02-01

Brown, J. Travis

Gas separation: apparatus

Solid sorbent apparatus

Plural solid sorbent beds

96114, 96130, 96137, 96139, 96140, G03C 124, G03C 116

Patent

active

040060250

ABSTRACT:
Colloidally stable dispersions of a spectral sensitizing dye are formed directly in water without the use of an organic solvent. The process of the invention involves mixing the dye particles with water to form a slurry and then homogenizing or milling the slurry at an elevated temperature in the presence of a surfactant to form finely divided particles uniformly dispersed in the water.

REFERENCES:
patent: 3660101 (1972-05-01), Owens et al.
patent: 3676147 (1972-07-01), Boyer et al.
patent: 3822135 (1974-07-01), Sakai et al.
patent: 3887381 (1975-06-01), Shiba et al.
patent: 3912517 (1975-10-01), Van Poucke et al.

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