Patent · US Expired

Method of promoting percutaneous drug absorption with 2-pyrrolidin-2-one 5-carboxylic acids and esters thereof

US4863952A · kind A · utility

7Cited by
5References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 4, 1985
Grant dateSep 5, 1989
Priority date
Expiry dateOct 4, 2005

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K47/22
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A composition for percutaneous drug administration which contains a compound of the general formula ##STR1## wherein R.sub.1 is a hydrogen atom or an alkyl group and R.sub.2 is a residue of aliphatic hydrocarbon. The composition is capable of promoting percutaneous drug absorption.

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