Substituted isoquinolines as anticonvulsivants
CA 2303777 A1 · Owner: Porter, Roderick Alan · Inventors: Thompson, Mervyn; Porter, Roderick Alan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
N-(tetrahydroisoquinolinyl)-N'-phenyl-ureas/thioureas of general formula (I) are useful for the treatment and/or prophylaxis of anxiety mania, depression, panic disorders and/or aggression disorders associated with a subarachnoid haemorrhage or neural shock, the effects associated with withdrawal from substances of abuse such as cocaine, nicotine alcohol and benzodiazepines, disorders treatable and/or preventable with anti-convulsive agents such as , epilepsy including post-traumatic epilepsy Parkinson's disease, psychosis, migraine cerebral ischaemia, Alzheimer's disease and other degenerative diseases such as Huntingdon's chorea, schizophrenia obsessive compulsive , disorders (OCD) …
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
- Filed September 9, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 9, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 9, 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.