Detector for detecting air components
CA 1165672 A · Owner: Nederlandse Centrale Organisatie Voor Toegepast Natuurwetenschappelijk O Nderzoek · Inventors: Hilbrink, Hubertus E.; Heijenga, Berend; Klaij, Henri F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a detector for detecting air components e.g. contaminations, and in particular noxious or poisonous contaminations which device comprises a housing in which an air pervious carrier containing a first reagent is arranged this detector being adapted to, draw air to be tested through said carrier so as to expose this reagent to the sir, this reagent being influenced by the components to be detected, which carrier is to be contacted with a second reagent which together with the first one, can bring about a colour reaction depending on the fact whether the first reagent has been influenced or not. The housing forms, in the operative condition an integral unit, an air- and, …
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 April 17, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 17, 2001.
- 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.