Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Biocides; animal or insect repellents or attractants
Patent
1988-06-30
1991-09-17
Page, Thurman
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Biocides; animal or insect repellents or attractants
422 5, 422 12, 422 16, 422 37, 424421, A01N 2512
Patent
active
050493850
ABSTRACT:
Described is particulate halogen-containing material, e.g., calcium hypochlorite, containing from about 0.1 to about 10 weight percent of colorant-treated particulate inorganic water soluble salt, e.g., sodium chloride. The colorant used with the sodium chloride salt is resistant to oxidation by the halogen specie in the material and is water dispersible. The amount of colorant used is from about 0.01 to about 5 weight percent, based on the inorganic salt. Preferred are the water dispersible phthalocyanine colorants.
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Lasch Jonathan G.
Simmons Robert B.
Wiedrich Charles R.
Page Thurman
PPG Industries Inc.
Stein Irwin M.
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