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Expired Canadian patentCanada

A group of .alpha.-amylases and a method for identification and production of .alpha.-amylases

CA 2452029 C · Owner: Eck, Juergen · Inventors: Lorenz, Patrick; Breves, Roland; Kottwitz, Beatrix

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Abstract From the Canadian patent

The invention relates to a novel group of .alpha.-amylases belonging to a , common sequence region and proteins sufficiently similar to said .alpha.amylases with amylolytic function, methods for production thereof and diverse possible applications for said amylolytic proteins in particular in washing , and cleaning agents. The invention further relates to a PCR-based method for identification and production of novel .alpha.-amylases from isolated genomic DNA, in particular from DNA isolated from collections of micro-organisms and particular primer oligonucleotides and application thereof in said method.

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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 June 20, 2002 and granted August 16, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 20, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 20, 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.
FiledJune 20, 2002
GrantedAugust 16, 2016
Term endedJune 20, 2022
Patent numberCA 2452029 C
Classification (IPC)C12N15/56 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedJune 20, 2002Patent grantedAug 16, 2016Term endedJune 20, 2022

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