Selective detection of multiple quantum transitions in nuclear magnetic resonance
CA 1067579 A · Owner: Varian Associates · Inventors: Ernst, Richard R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PATENT APPLICATION, of, RICHARD R. ERNST for, SELECTIVE DETECTION OF MULTIPLE QUANTUM TRANSISTIONS IN NUCLEAR MAGNETIC RESONANCE, ABSTRACT OF THE DISCLOSURE Selected orders of multiple quantum transitions may be detected by preparing a statistical non-equilibrium state of an assembly of gyromagnetic resonators of selected phase with respect to a subsequent mixing pulse. After an evolution period, t1, a 90° mixing pulse is applied and the free induction decay is sampled as a function of time t2, The signal, functions Si (t1 , t2, .PHI.i) is developed for systematically varied values of t1 and specially selected values of .PHI.i. Linear combinations of the signal functions Si yield after …
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 December 4, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 4, 1996.
- 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.