Patent · US Expired

Water-soluble steroid compounds

US4383992A · kind A · utility

99Cited by
1References
10Claims
0Family size

Inventor

Key dates

Filing dateFeb 8, 1982
Grant dateMay 17, 1983
Priority date
Expiry dateFeb 8, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08B37/0015
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Beta-cyclodextrin forms a water-soluble complex or inclusion compound with steroid compounds having a molecular structure smaller than the interior cavity in the doughnut-shaped molecular structure of beta-cyclodextrin. The resulting inclusion compounds can be used for a variety of applications including aqueous topical ophthalmic preparations and topical dermatological ointments.

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