Method and device for measurement of no contents
CA 2102146 A1 · Owner: Termin, Andreas P. · Inventors: Termin, Andreas P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a method and a device for the measurement of NO contents in liquids using an inert carrier gas, wherein said that the device consists out of micro reaction part Fig. 1 which is divided into an inert gas inlet nozzle 1 the microreaction vessel 2 with frit 3 at least, one inlet nozzle for the injection of the liquid to be analyzed 4 as well as a cooled outlet nozzle for, the inert gas loaded with NO 5 and a detector 6, with which the NO content of the inset liquid is measured and evaluated, and where the NO2- ions present in the solution are reduced back to NO using a reaction mixture consisting out of 1,1' dimethyl?errocane in acetonitrile in an acidic …
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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
- Filed November 1, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 1, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 1, 2015.
- 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.