EP Patent

EP0923950A2 — Liquid agent for contact lens

Assigned to Tomey Corp · Expires 1999-06-23 · 27y expired

What this patent protects

A liquid agent for a contact lens, containing at least one disinfecting component selected from the group consisting of Polyquaternium-6, Polyquaternium-7, Polyquaternium-16 and Polyquaternium-22, and a nonionic tonicity agent and/or an amino acid.

USPTO Abstract

A liquid agent for a contact lens, containing at least one disinfecting component selected from the group consisting of Polyquaternium-6, Polyquaternium-7, Polyquaternium-16 and Polyquaternium-22, and a nonionic tonicity agent and/or an amino acid.

Drugs covered by this patent

Patent Metadata

Patent number
EP0923950A2
Jurisdiction
EP
Classification
—
Expires
1999-06-23
Drug substance claim
No
Drug product claim
No
Assignee
Tomey Corp
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.