Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Acyclic nitrogen double bonded to acyclic nitrogen – acyclic...
Patent
1984-03-20
1986-01-28
Higel, Floyd D.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Acyclic nitrogen double bonded to acyclic nitrogen, acyclic...
8552, 8676, 8681, 8682, 534576, 534831, 534880, D06P 190
Patent
active
045671710
ABSTRACT:
A composition and a process for the production of stable, water dispersions of anionic dyestuffs, for example acid or direct dyestuffs, useful for the dyeing of organic fibers including paper. Highly concentrated, liquid dispersions of at least 15-40% by weight of dry anionic dyestuff are achieved by the use of nonionic dispersing agents and mixing or grinding in a mill until most of the undissolved dyestuff particles are smaller than 10.mu..
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Ciba-Geigy Corporation
Higel Floyd D.
Mansfield Kevin T.
McC. Roberts Edward
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