Patent · US Expired

Pyroglutamic acid esters used as dermal penetration enhancers for drugs

US4847250A · kind A · utility

9Cited by
0References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 18, 1988
Grant dateJul 11, 1989
Priority date
Expiry dateJul 18, 2008

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/0014
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention relates to pyroglutamic acid esters used as dermal penetration enhancers for therapeutic agents having poor skin permeation.

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