Process for the weak field dynamic magnetic polarization of the nuclei of a solvent
CA 1268464 C · Owner: Chiarelli, Robert Paul · Inventors: Salvi, Antoine; Besson, Rene; Secourgeon, Liliane
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to nitroxide radicals and to their preparation process, applicable to magnetometry and gyrometry. These nitroxide radicals have the developed formula:, in which X represents D, Y represents D or OD or in which X and Y represent 03 bonded to the cycle of the radical by a double bond and in which the nitrogen in nitrogen 15.
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
- Granted May 1, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 1, 2007.
- 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.