Patent · US Expired

Method and composition for delivering zinc to the nasal membrane

US6673835B1 · kind B1 · utility

8Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 1, 1999
Grant dateJan 6, 2004
Priority date
Expiry dateSep 1, 2019

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P43/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A viscous gel for delivering minor effective amounts of active substances through the nasal membrane into the body.

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