Methods of treating the eye with liquid perfluorocarbons
CA 1232205 A · Owner: Children'S Hospital Medical Center · Inventors: Clark, Leland C. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, Liquid perfluorocarbons and substituted derivatives thereof are used as fluid substitutes for the vitreous or the aqueous of the eye. These liquids are also used to transparentize the cornea or lens when either becomes opacifed due to degeneration or cataract formation. Methods involving the use of these liquids during retinal surgery or diagnostic procedures of the eye are also disclosed.
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 February 2, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 2, 2005.
- 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.