Pharmaceutical composition for neurotrophic action
CA 2329624 A1 · Owner: Takeda Chemical Industries, Ltd. · Inventors: Kato, Koki; Ishihara, Yuji; Miyamoto, Masaomi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a composition for neurotrophic action which comprises a compound of formula (I), wherein Ar is an optionally condensed phenyl group which may be substituted; n is an integer of 1 to 10; R is a hydrogen atom or a hydrocarbon group which may be substituted; and Y is an amino group which may be substituted or a nitrogen-containing saturated heterocyclic group which may be substituted; or a salt thereof which , compounds are useful for preventing and/or treating (1) neurodegenerative diseases (e.g. senile dementia, Alzheimer's disease Down's syndrome, Parkinson's disease, Creutzfelt-Jakob disease amyotrophic lateral sclerosis, diabetic neuropathy etc.), (2) …
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 April 22, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 22, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 22, 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.