Patent · US Expired

Estrogen-containing gel preparation

US5242951A · kind A · utility

11Cited by
6References
11Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 28, 1990
Grant dateSep 7, 1993
Priority date
Expiry dateDec 28, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P5/30
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

An estrogen-containing gel preparation is disclosed, which comprises a substrate having on one surface thereof a crosslinked gel layer formed by crosslinking a composition comprising the following ingredients (a) to (c), the weight ratio of the ingredient (b) to the ingredient (c) being from 1.0/0.25 to 1.0/2.0: PA1 (a) estrogen; PA1 (b) an acrylate polymer; and PA1 (c) a liquid ingredient compatible with the ingredient (b).

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