Antiperspirant composition

Details Antiperspirant composition Antiperspirant composition

1996-12-16

1998-06-23

Dodson, Shelley A.

Drug, bio-affecting and body treating compositions

Anti-perspirants or perspiration deodorants

25218233, 25218235, 423608, 423625, 424 66, 424 68, 424600, 424617, A61K 732, A61K 3324, C01G 2500, C01F 700

Patent

active

057701865

ABSTRACT:
A composition of zirconyl hydroxy chloride and aluminum chlorhydroxide in stable solid form having improved antiperspirant efficacy when dissolved in water is made by heating a 2-20% by weight aqueous solution containing at least the aluminum chlorhydroxide component of the composition at a temperature of at least 50.degree. C. until the ratio of the height of peak 4 at Kd=0.7 to that of peak 3 at Kd=0.5 as measured by gel permeation chromatography on cross-linked dextran is at least 2:1, then subjecting the solution to rapid drying to solid form.

REFERENCES:
patent: 2854382 (1958-09-01), Grad
patent: 2906668 (1959-09-01), Beekman
patent: 3792068 (1974-02-01), Luedders et al.
patent: 4359456 (1982-11-01), Gosling et al.
patent: 4435382 (1984-03-01), Shin et al.
patent: 4871525 (1989-10-01), Giovanniello et al.
patent: 5234677 (1993-08-01), Murray et al.

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