Patent · US Expired

Medicinal adjuvants consisting of N-subsitituted-o-toluidine derivatives, and percutaneously absorbable preparations comprising the adjuvants

US5891920A · kind A · utility

22Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 1997
Grant dateApr 6, 1999
Priority date—
Expiry dateMar 31, 2017

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K47/18
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A drug solubilizer or drug-absorption accelerator of Formula I is disclosed wherein R.sub.1 and R.sub.2 are herein defined ##STR1##

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