Finely divided, highly pure neutral zinc oxide powder, a process

Details Finely divided, highly pure neutral zinc oxide powder, a process Finely divided, highly pure neutral zinc oxide powder, a process

1993-12-07

1996-06-18

Dodson, Shelley A.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

424 59, C01G 902, A61K 742

Patent

active

055275192

ABSTRACT:
The invention relates to finely divided, highly pure neutral zinc oxide powder used for UV protection in cosmetic sun screen preparations and daytime skin care preparations as well as in lacquers and plastics, and to a process for its preparation.

REFERENCES:
patent: 2144299 (1939-01-01), Sessions et al.
patent: 4842832 (1989-06-01), Inoue et al.
Derwent Publications, Abstract No. 92-378833 of JP 4 280 814, Oct. 6, 1992.
Patent Abstracts of Japan, vol. 4, No. 77 of JP 55 042 282, May 4, 1980.
Derwent Publications, Abstract No. 83-131189K of JP 57 209 824, Dec. 23, 1984.

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