Method of treating blindness with hnt human neuronal cells
CA 2280820 A1 · Owner: Layton Bioscience, Inc. · Inventors: Snable, Gary L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein is the treatment for blindness in a mammal by transplanting an effective amount of pluripotent stem cells neuronal stem cells or hNT , neuron. The treatment can be accomplished by injecting the cells into the retinal area of the eye. Additionally, the cells can be injected into the visual cortex of the brain. Conditions which can be treated are vision loss due to optic nerve damage, including glaucoma optic nerve sheath meningioma , and glioma Graves' ophthalmopathy, orbital tumors metastatic lesions, tumors , arising from the adjacent paranasal sinuses or middle cranial fossa giant , pituitary adenomas, brain tumors or abscesses cerebral trauma or hemorrhage, …
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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
- Filed February 12, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 12, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 12, 2020.
- 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.