Therapeutic agent of neurological diseases
CA 1305142 C · Owner: Horikomi, Kazutoshi · Inventors: Isayama, Shigeru; Ohno, Hiroyasu; Awaya, Akira
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pharmaceutical composition comprising a pyrimidine represented by the following formula ... (I), wherein, R1 represents a hydrogen atom an acyl group, having 2 to 4 carbon atoms an alkoxycarbonyl, group having 2 to 5 carbon atoms an alkoxy-, carbonylmethyl group having 3 to 5 carbon atoms benzyl, a 3,4-dimethoxybenzoyl group or a 3,4methylenedioxybenzyl group, R2 represents a hydrogen atom an amino group, a, monoalkylamino group having 1 to 4 carbon atoms an alkoxy group having 1 to 5 carbon atoms or ai alkoxycarbonyl group having 2 to 4 carbon atoms R3 represents a hydrogen atom, an alkoxycarbonyl group having 2 to 4 carbon atoms, a dialkylaminocarbonyl group having 1 to 9 carbon atoms …
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
- Granted July 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 2009.
- 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.