CA Patent

CA2199378A1 — Cleaning, disinfecting and preserving contact lenses

Assigned to Novo Nordisk AS · Expires 1996-03-14 · 30y expired

What this patent protects

The invention relates to a method of cleaning, disinfecting and preserving contact lenses comprising treating contact lenses in the following order with: 1) at least one enzyme, 2) at least one enzyme inhibitor, 3) at least one disinfecting agent, and 4) optionally rinsing in e.…

USPTO Abstract

The invention relates to a method of cleaning, disinfecting and preserving contact lenses comprising treating contact lenses in the following order with: 1) at least one enzyme, 2) at least one enzyme inhibitor, 3) at least one disinfecting agent, and 4) optionally rinsing in e.g. physiological saline solution. A contact lens product, a tablet or capsule for cleaning, disinfecting and preserving contact lenses, and the use of an enzyme inhibitor are also disclosed.

Drugs covered by this patent

Patent Metadata

Patent number
CA2199378A1
Jurisdiction
CA
Classification
Expires
1996-03-14
Drug substance claim
No
Drug product claim
No
Assignee
Novo Nordisk AS
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.