Encapsulated aluminum-zirconium compositions

Details Encapsulated aluminum-zirconium compositions Encapsulated aluminum-zirconium compositions

1991-08-07

1994-12-06

Ore, Dale R.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

424DIG5, 424 47, 424 66, 424 68, 42840224, 514938, A61K 734, A61K 910, A61K 912, B32B 904

Patent

active

053708741

ABSTRACT:
Encapsulated aluminum-zirconium salt compositions are produced by combining and heating an aqueous aluminum- zirconium salt selected from aluminum-zirconium halohydrates and mixtures thereof; a hydrophobic liquid; and a carboxylate. The mixture is heated until substantially all of the free water has been removed. The encapsulated aluminum-zirconium salts precipitate out after the removal of the water. The encapsulated aluminum-zirconium salts are useful in deodorant and antiperspirant compositions.

REFERENCES:
patent: 4524062 (1985-06-01), Laba et al.
patent: 4803195 (1989-02-01), Holzner
patent: 4818522 (1989-04-01), Ferentchak
S. Cohen, et al; J. Am. Chem. Soc. 1990; "Ionically Cross-Linkable Polyphosphazene: A Novel Polymer for Microencapsulation"; 112, pp. 7832-7833.
R. Dagani; C&EN; "Polyphosphazene Encapsulates Living Cells"; Oct. 22, 1990, p. 28.

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