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Canadian application, no grantCanada

A continuous process for hyperactivation of fluids for sterilization

CA 2312804 A1 · Owner: Tetra Pak Plastics Limited · Inventors: Musatti, Marco; Catelli, Camillo

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The continuous process for hyperactivation of fluids for sterilization uses a sterilizing fluid which is mixed with a gas that is inert with respect to the fluid. A sterilizing mixture is obtained which is subsequently evaporated by means of introduction into an evaporation tube in a condition of annular motion, where a liquid phase of the mixture flows against the heated walls of the evaporator at a slower speed than the gaseous phase thereof which flows , in the central zone of the evaporator internally of the liquid phase. A , gaseous vapour/inert gas mixture is thus obtained which is subjected to a , waiting period during which the mixture flows through a transit device which …

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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 December 10, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 10, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 10, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 10, 1998
GrantedNo grant recorded
Term endedDecember 10, 2018
Patent numberCA 2312804 A1
Classification (IPC)A61L2/18 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedDec 10, 1998Term endedDec 10, 2018

Sources & verification

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