Expired Canadian patentCanada
Obtaining proteins which are pathogenic to insects and microorganisms ofthe bacillus thuringiensis type
CA 1340002 C · Owner: Zaehner, Hans · Inventors: Krieg, Wolfgang; Bernhard, Konrad; Shall, Dietmar
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Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Bacillus thuringiensis DSM, 4082 its mutants which synthesize proteins pathogenic to insects, and a process for obtaining by protoplast, fusion, two or more strains having different toxins are described.
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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 August 18, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 2015.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 22, 1988
GrantedAugust 18, 1998
Term endedAugust 18, 2015
Patent numberCA 1340002 C
Classification (IPC)C12N1/20 +2 more
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.