Phase-alternated carr-purcell nmr echo sequence
CA 2570147 C · Owner: Blanz, Martin · Inventors: Blanz, Martin; Kruspe, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A phase alternated Carr Purcell (PACP) sequence is effective in removing DC offset from spin echo signals in earth formations. Modifications of PACP sequences, possibly in combination with other pulse sequences can remove both , DC offset and ringing. Such sequences may be used where the ringing is nonrepeatable.
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 June 10, 2005 and granted April 1, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 10, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.