Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Patent
1987-03-30
1988-09-20
Yarbrough, Amelia Burgess
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
106501, C07B 6300
Patent
active
047723335
ABSTRACT:
From the aqueous solution of a soluble pigment, removal of the soluble pigment is attained by intimately mixing the aqueous solution, in the presence of an inorganic salt, with the product of microorganic culture obtained by culturing a bacterium belonging to genus Rhodococcus and allowing the resultant mixture to stand at rest thereby causing the pigment to flocculate and precipitate therein.
REFERENCES:
patent: 2772984 (1956-12-01), Helfaer
patent: 3542758 (1970-11-01), Hegar
Kazuo Tomoo
Kurane Ryuichiro
Agency of Industrial Science and Technology
Burgess Yarbrough Amelia
Ministry of International Trade and Industry
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