In-situ generation of zinc pyrithione in personal care compositi

Details In-situ generation of zinc pyrithione in personal care compositi In-situ generation of zinc pyrithione in personal care compositi

1998-03-11

2000-12-19

Clardy, S. Mark

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

424489, 424DIG4, 514358, 514852, A61K 700

Patent

active

061624462

ABSTRACT:
Disclosed is a personal care composition comprising: (a) water or an alcohol, (b) at least one dispersant or surfactant, and (c) as an antimicrobial or preservative additive, particles of an in-situ transchelation reaction product of a zinc compound selected from the group consisting of zinc salts of organic acids, zinc salts of inorganic acids, zinc hydroxide, zinc oxide, and combinations thereof, said zinc compound being soluble in said water or alcohol, with pyrithione acid or a pyrithione salt that is soluble in said water or alcohol. Also disclosed is a process for preparing the personal care composition, and a coated substrate containing a coating of the personal care composition.

REFERENCES:
patent: 2809971 (1957-10-01), Bernstein et al.
patent: 3159640 (1964-12-01), McClure et al.
patent: 4940578 (1990-07-01), Yoshihara et al.
patent: 5540860 (1996-07-01), Hosseini et al.
patent: 5540920 (1996-07-01), Vinopal et al.
patent: 5650095 (1997-07-01), Hosseini et al.

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