Multipole inlet system for ion traps
CA 2075428 C · Owner: Mds Inc. · Inventors: Douglas, Donald J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A two dimensional RF multipole field formed by a set of parallel rods, e.g. quadrupole rods serves as, an inlet for an ion trap. The field both accepts and stores ions for the trap, and rejects unwanted ions while the trap is performing an analysis. This greatly increases the duty cycle of the overall system increasing the system sensitivity.
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 August 6, 1992 and granted May 19, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 6, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 6, 2014.
- 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.