3-haloethyl-4-oxopyrazolo ¬5,1-d -1,2,3,5- tetrazine-8-carboxamide and process for their production and use
CA 1255668 A · Owner: Warner-Lambert Company · Inventors: Cheng, Chia-Chung
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
3-(HALOETHYL)-4-OXOPYRAZOLO-5,1-d-, 1,2,3,5-TETRAZINE-8-CARBOXAMIDE COMPOUNDS AND PROCESS FOR THEIR PRODUCTION AND USE Abstract, The title compounds are provided as well as a method for their production, pharmaceutical compositions comprising the compounds, and a method of treatment using the compounds in dosage form. Compounds of the invention have pharmacological properties and are useful antimicrobial agents and antileukemic agents.
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 June 13, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 13, 2006.
- 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.