Proteases from gram-positive organisms
CA 2296708 A1 · Owner: Estell, David A. · Inventors: Estell, David A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to the identification of novel cysteine proteases in Gram-positive microorganisms. The present invention provides the nucleic acid and amino acid sequences for the Bacillus subtilis cysteine proteases CP1, CP2 and CP3. The present invention also provides host cells having a mutation or deletion of part or all of the gene encoding CP1 CP2 or , CP3. The present invention also provides host cells further comprising nucleic acid encoding desired heterologous proteins such as enzymes. The present invention also provides a cleaning composition comprising a cysteine protease of the present invention.
Read the whole patent
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 July 14, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 14, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 14, 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.
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.