Preparation of pharmaceutical or cosmetic dispersions

Details Preparation of pharmaceutical or cosmetic dispersions Preparation of pharmaceutical or cosmetic dispersions

1990-09-13

1992-05-26

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

252309, 252312, 366340, 424 59, 514941, 514942, 514943, B01J 1300

Patent

active

051165368

ABSTRACT:
The invention relates to a process for the preparation of fine-particled, stable, pharmaceutical or cosmetic dispersions consisting of an aqueous phase and an organic phase which is insoluble or not completely soluble in water (oily phase), in which a pre-emulsion is first prepared from the two phases by known emulsifying methods and is then further processed to the end product. The invention furthermore relates to apparatus for carrying out the process.

REFERENCES:
patent: 1496858 (1924-06-01), Knollenberg
patent: 1707466 (1929-04-01), Volck
patent: 2254049 (1941-08-01), Schutte
patent: 2524590 (1950-10-01), Boe
patent: 2665206 (1954-01-01), Bradley
patent: 2803565 (1957-08-01), Sagar
patent: 3137623 (1964-06-01), Gessler
patent: 3954658 (1976-05-01), Tsutsumi et al.
patent: 4996004 (1991-02-01), Bucheler et al.
CRC Handbook of Chemistry and Physics, 62nd Edition, 1981-1982, Weast and Astle, pp. F-115, F-116 and F-119.

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