Patent · US Expired

Preparation of pharmaceutical or cosmetic dispersions

US5116536A · kind A · utility

11Cited by

9References

3Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Manfred Bucheler · Overath, DE
Hans Gehringer · Cologne, DE
Bernd Klinksiek · Bensberg, DE
Bernd Koglin · Bensberg, DE

Key dates

Filing date	Sep 13, 1990
Grant date	May 26, 1992
Priority date	—
Expiry date	Sep 13, 2010

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S516/925
WIPO fieldPharmaceuticals
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.