Ocular therapeutic system
CA 1109350 A · Owner: Alza Corporation · Inventors: Jones, Barrie R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
International, PATENT APPLICATION OF ALZA CORPORATION AREA DOCKET NO. ARC 552, TITLE: OCULAR THERAPEUTIC SYSTEM ABSTRACT, A drug-containing ocular insert that is sized and shaped specifically for placement and retention in the superior fornix above (cephalic to) the superior tarsal plate is disclosed. The insert is in the form of a crescent shaped body that has rounded ends and a concave edge whose radius of curvature approximates the radius of curvature of the superior border of the superior tarsal plate. The body may be planar or concavoconvex so as to conform to the curvature of the eyeball.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.