Patent · US Expired

Controlled release agent for cetylpyridinium chloride

US4774329A · kind A · utility

48Cited by
7References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 4, 1987
Grant dateSep 27, 1988
Priority date
Expiry dateAug 4, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08B37/0015
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A complex of cyclodextrin and cetylpyridinium chloride is disclosed as a controlled release agent of cetylpyridinium chloride. The cyclodextrin can be either cyclodextrin molecule, a polymer of cyclodextrin or modified cyclodextrin. The method of forming the complex is also disclosed.

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