Nutrient medium for maintaining neural cells in injured nervous system
CA 2462802 A1 · Owner: Southern Illinois University · Inventors: Brewer, Gregory J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method to improve neural cell viability in brain or spinal cord tissue after brain or spinal cord injury or surgery is provided. This method comprises applying a sterile liquid medium to the brain or spinal cord tissue wherein , the sterile aqueous liquid medium comprises 0 to about 3000 ~M CaCI2 about , 0.1 to about 1.2 ~M Fe(NO3)3, about 2500 to about 10000 ~M KCI 0 to about , 4000 ~M MgCI2, about 30000 to about 150000 ~M NaCI about 100 to about 30000 , ~M NaHCO3, about 250 to about 4000 ~M NaH2PO4 about 0.01 to about 0.4 ~M , sodium selenite about 0.2 to about 2 ~M ZnSO4, about 2500 to about 50000 ~M Dglucose, about 1 to about 50 ~M L-carnitine about 3 to about 80 ~M , ethanolamine, …
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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 October 1, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 1, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 1, 2024.
- 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.