Patent · US Expired

Chorine esters as absorption-enhancing agents for drug delivery through mucous membranes of the nasal, buccal, sublingual and vaginal cavities

US4692441A · kind A · utility

24Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 16, 1985
Grant dateSep 8, 1987
Priority date—
Expiry dateAug 16, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S930/27
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Choline esters are used as drug absorption enhancing agents for drugs which are poorly absorbed from the nasal, oral, and vaginal cavities.

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