CA Patent

CA2134376C — Combinations of polymers for use in physiological tear compositions

Assigned to Alcon Vision LLC · Expires 2001-10-23 · 25y expired

What this patent protects

Physiological tear compositions for the treatment of the eye. The compositions have a high viscosity and contain bicarbonate, at least one cellulosic polymer and at least one carboxy vinyl polymer.

USPTO Abstract

Physiological tear compositions for the treatment of the eye. The compositions have a high viscosity and contain bicarbonate, at least one cellulosic polymer and at least one carboxy vinyl polymer.

Drugs covered by this patent

Patent Metadata

Patent number
CA2134376C
Jurisdiction
CA
Classification
—
Expires
2001-10-23
Drug substance claim
No
Drug product claim
No
Assignee
Alcon Vision LLC
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.

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