Compositions and methods for stable isotope labelling of biological compounds
CA 2532038 C · Owner: Egorova-Zachernyuk, Tatiana A. · Inventors: Egorova-Zachernyuk, Tatiana A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is concerned the labelling of biological compounds with stable isotopes such that the three-dimensional structure of the biological compounds may be analysed by e.g. NMR spectroscopy. The invention employs microorganisms that are grown on mineral media comprising carbon and nitrogen sources that contain stable isotopes to produce biomass that is uniformly labelled with stable isotopes. The biomass may be autolysed to produce an autolysate. The biomass may further be extracted with organic solvent to produce lipids. The (delipidised) biomass is hydrolysed to produce labelled amino acids and other nutrients, which are used together with the autolysate extracted …
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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 July 12, 2004 and granted November 26, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 12, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 12, 2026.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.