Trapping tube adapted to be fitted at the outlet of a gas chromatograph and device for supporting and presenting such a tube
CA 1280077 C · Owner: Desmurs, Jean-Roger · Inventors: Badey, Jean-Paul; Desmurs, Jean-Roger; Dumont, Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
IN THE CANADIAN PATENT & TRADEMARK OFFICE PATENT APPLICATION, entitled: Trapping tube adapted to be fitted at the outlet of a gas chromatograph and device for, supporting and presenting such a tube in the names of: Jean-Paul BADEy, Jean-Roger DESMURS Michel DUMONT, assigned to: RHONE POULENC RECHERCHES ABSTRACT OF THE DISCLOSURE, This invention relates to a trapping tube characterized in that it is constituted by a shaped tube comprising:, - a first section or zone of condensation of the separated gaseous phase delivered by the outlet of the chromatograph, - a second section or zone of confinement of the condensate of the separated gaseous phase - and a third section or zone of evacuation …
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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 February 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.