Patent · US Expired

Steroid monohydrates, formulations containing same and method

US4447426A · kind A · utility

11Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 27, 1982
Grant dateMay 8, 1984
Priority date
Expiry dateDec 27, 2002

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/06
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A monohydrate of a steroid having the structure ##STR1## and the 1,2-dehydro derivatives thereof, is provided which monohydrate is in the form of a particulate material having a stable average particle size of less than about 20 microns. Cream and lotion formulations containing the steroid monohydrate and a method for forming the monohydrate are also provided.

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