Patent · US Expired

Transdermal medicament

US4778678A · kind A · utility

9Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 4, 1987
Grant dateOct 18, 1988
Priority date
Expiry dateMay 4, 2007

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/7076
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A transdermal medicament which contains, as a suspension in a viscous matrix, at least one solid active compound or auxiliary or at least one active compound adsorbed on a solid auxiliary is characterized in that the preparation of the suspensions is carried out by wet grinding in the presence of a medium-viscosity solution of the matrix or certain constituents thereof under low heat stress and shear stress.

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