Chromatographic systems and methods for eliminating interference from interfering agents
CA 2625477 C · Owner: Gamache, Yves · Inventors: Fortier, Andre; Gamache, Yves
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a chromatographic method for eliminating interference from interfering agents, coming from the gas sample itself or from the system material used to perform the impurities measurements on , impurities to be quantified in a gas sample. The method advantageously relies on the use of an additional valve and an additional sample loop particularly arranged in a G. C. system, and also on an additional supporting gas inlet operatively connected to the system through the additional sample loop for providing the system with a supporting gas comprising at least a predetermined portion of a predetermined active gas that will react with the unwanted interfering …
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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 March 10, 2006 and granted May 13, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 10, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.