Patent · US Expired

Ophthalmic solution

US4039662A · kind A · utility

53Cited by
1References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 4, 1975
Grant dateAug 2, 1977
Priority date—
Expiry dateDec 4, 1995

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P31/04
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Ophthalmic solution suitable as an artificial tear material of low viscosity containing a polysaccharide and benzalkonium chloride.

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