Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1990-06-11
1993-02-09
Rizzo, Nicholas S.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514373, 548209, 548213, A61K 31425, C07D27504, C07D27502
Patent
active
051853566
ABSTRACT:
A particulate composition comprising an isothiazolinone or isothiazolothione or a salt or complex thereof and a water soluble metal salt. The salt is typically a metal salt, for example the sodium salt of 1,2-benzisothiazolin-3-one and the water soluble metal salt is particularly an alkali metal salt such as disodium hydrogen phosphate. A preferred composition can be obtained by stirring together an isothiazolinone or isothiazolothione, a base and an alkali metal phosphate in the presence of water until a dry particulate product is obtained. The particulate product is typically highly and rapidly soluble in water and may be stored in a container formed from a water soluble material, for example a bag formed from polyvinyl alcohol.
REFERENCES:
patent: 4310590 (1982-01-01), Petigara
Backhouse Bryan S.
Fern William A.
Dickheiser William E.
Gupta Y. N.
Imperial Chemical Industries plc
Rizzo Nicholas S.
Sharer Paul L.
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