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Canadian application, no grantCanada

Method for preparing stabilised reaction mixtures, which are totally or partially dried, comprising at least one enzyme, reaction mixtures and kits containing said mixtures

CA 2408857 A1 · Owner: Biotools Biotechnological & Medical Laboratories, S.A. · Inventors: Limones Lopez, Gemma; Marin Alberdi, Maria Dolores; Franco De Sarabia Rosado, Pedro Manuel

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 invention relates to a method consisting in bringing into contact in one , container, (a) an aqueous solution of a reaction mixture comprising at least one enzyme and (b) an aqueous solution of a stabilising mixture comprising (i) at least one agent to protect against drying (ii) at least one inhibitor of , the condensation reaction between carbonyl or carboxyl groups and amine or phosphate groups, and (iii) at least one inert polymer capable of generating a mesh structure that impedes the mobility of the dried reagents. The inventive method also consists in removing all or part of the water contained in the resulting aqueous solution. Said method is suitable for carrying out …

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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 11, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 11, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 11, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 11, 2002
GrantedNo grant recorded
Term endedMarch 11, 2022
Patent numberCA 2408857 A1
Classification (IPC)C12N9/96

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedMarch 11, 2002Term endedMarch 11, 2022

Sources & verification

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