Transplantation of neural cells for the treatment of chronic pain or spasticity
CA 2346005 A1 · Owner: Diacrin, Inc. · Inventors: Siegan, Julie; Dinsmore, Jonathan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods for using neural cells to treat chronic pain and/or spasticity are described. The neural cells can be derived from any mammal and are preferably , human or porcine in origin. The neural cells preferably are serotonergic cells or are gamma-aminobutyric acid (GABA)-producing cells. Neural cells can be obtained from adult, juvenile, embryonic or fetal donors. Neural cells can be modified to be suitable for transplantation into a subject. For example the , neural cells can be modified such that an antigen (e.g. an MHC class I antigen) on the cell surface which is capable of stimulating an immune response against the cell in a subject is altered (e.g. by contact with an anti-MHC …
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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 September 15, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 15, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 15, 2021.
- 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.