Patent · US Expired

Ophthalmic solution

US4120949A · kind A · utility

32Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 5, 1977
Grant dateOct 17, 1978
Priority date
Expiry dateOct 5, 1997

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K31/79
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

An ophthalmic solution is disclosed comprising an aqueous solution of polyvinyl alcohol, hydroxyethyl cellulose, polyvinylpyrrolidone, and, optionally, hydroxypropyl methylcellulose. The ophthalmic solution is used in treating dry eye syndrome due to insufficient tear production in humans and mammals, and as an ocular lubricant for inflamed eyes.

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