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Expired Canadian patentCanada

Packing material for a micro-adsorption column for drying and/or purification of dissolved organic or biological analytes and micro-adsorption column and use thereof

CA 2621265 C · Owner: Jaunecker, Guenther · Inventors: Freudenschuss, Martin; Jaunecker, Guenther; Binder, Eva Maria

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Abstract From the Canadian patent

The invention relates to a packing material for a micro-adsorption column for drying and/or purification of dissolved organic or biological analytes such , as toxins, antibiotics, vitamins hormones, pesticides and similar, containing at least one drying agent which contains magnesium sulphate and at least one further drying agent selected from the group comprising aluminium oxide calcium chloride, calcium hydride, calcium oxide calcium sulphate, potassium , hydride, silica gel copper sulphate, magnesium oxide, magnesium perchlorate molecular sieves, sodium hydroxide, phosphorus pentoxide sulphuric acid on , silica, phosphorus pentoxide on silica and 0.5 to 90 wt. % of a …

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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 August 31, 2006 and granted July 19, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 31, 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.
FiledAugust 31, 2006
GrantedJuly 19, 2016
Term endedAugust 31, 2026
Patent numberCA 2621265 C
Classification (IPC)B01J20/10 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedAug 31, 2006Patent grantedJuly 19, 2016Term endedAug 31, 2026

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.