Preparation of antiperspirants

Details Preparation of antiperspirants Preparation of antiperspirants

1987-08-05

1990-02-13

Shine, W. J.

Chemistry of inorganic compounds

Halogen or compound thereof

Plural metal or metal and ammonium containing

424 66, C01B 902, C01B 904, C01B 906

Patent

active

049005340

ABSTRACT:
The disclosure concerns a process for the manufacture of aluminium zirconium halohydrate having an aluminium:zirconium molar ratio of from 2:1 to 7:1 and having a metal:chlorine molar ratio of from 0.9:1 to 2.1:1. Metallic aluminium is dissolved in an aqueous starting solution comprising an oxyhalide, hydroxyhalide or carbonate of zirconium and an aluminium halide or basic aluminium halide, which solution is heated at about 50.degree. C. to 105.degree. C. The solution of the final aluminium zirconium halohydrate has a concentration of metal of 0.5 to 2.3 moles/kg and a size exclusion chromatogram of which the Band III proporition is at least 20%.

REFERENCES:
patent: 2906668 (1959-09-01), Beekman
patent: 3792068 (1974-02-01), Luedders
patent: 3947556 (1976-03-01), Jones et al.
patent: 4359456 (1982-11-01), Gosling
patent: 4435382 (1984-03-01), Shin et al.
patent: 4605554 (1986-08-01), Prussin et al.

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