Expired Canadian patentCanada
Cyanide antidote
CA 1185531 A · Owner: Survival Technology, Inc. · Inventors: Sarnoff, Stanley J.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
As an antidote for cyanide poisoning there is injected hydroxylamine hydrochloride. This is followed by treatment with thiosulfate. The hydroxylamine hydrochloride can also be employed as a respiratory stimulant in treating other illnesses.
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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
- Granted April 16, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 21, 1981
GrantedApril 16, 1985
Term endedApril 16, 2002
Patent numberCA 1185531 A
Classification (IPC)A61K33/20 +2 more
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.