Zinc salt prevention or removal of discoloration in pyrithione,

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...

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424145, 424263, A61K 31555, A61K 3144, A61K 3330

Patent

active

041615263

ABSTRACT:
Pyrithione, pyrithione salt or dipyrithione compositions containing the zinc salt of an organic or inorganic acid, zinc hydroxide or zinc oxide or a mixture thereof for prevention or removal of discoloration in said compositions, and the process of preventing such discoloration, are disclosed.

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patent: 3412033 (1968-11-01), Karsten et al.
patent: 3785985 (1974-01-01), Grand
patent: 3890434 (1975-06-01), Weisse et al.
patent: 3940482 (1976-02-01), Grand
patent: 4039312 (1977-08-01), Patru
patent: 4067878 (1978-01-01), Miller et al.

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