Labelling of organic molecules
CA 1236483 A · Owner: Commonwealth Of Australia (The) · Inventors: Pojer, Peter M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for isotopically labelling certain chemical compounds, with a selected or desired isotopic label comprising first treating a precursor material with the isotopic material to exchange the hydrogen atoms of the precursor material with the isotopic material and then or simultaneously reacting the exchanged precursor with a chemical compound so as to label the chemical compound with the isotopic material at a desired preselected location within the molecule of the chemical compound. A typical example involves first forming deuterated Raney nickel and then reacting the deuterated Raney nickel with an organic compound under relatively mild conditions so that specific selective …
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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 May 10, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2005.
- 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.