A method and a device for measuring of concentrations
CA 2416310 A1 · Owner: Btg Kalle Inventing Ab · Inventors: Fladda, Gerdt; Weng, Jonny
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method and a device for measuring concentrations especially in a pulp suspension from, which a sample (3) has been taken. The sample (3) is collected in a measuring vessel (2), in which a piston (6) is guided upwards and downwards in order to press the sample (3) from each direction through a measuring sensor (5) connected at the side of the measuring vessel via communicating tubes (4,4') connected in an upper and an lower position to the measurement vessel (2) whereby the sample, (3) is stirred totally for eliminating of a flocculation in the same, whereupon a measurement of the concentration of the sample (3) is made either during the movement upwards or …
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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 January 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 16, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 16, 2025.
- 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.