Metal chelate resins
CA 1304886 C · Owner: F. Hoffmann-La Roche Ag · Inventors: Hochuli, Erich; Dobeli, Heinz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, Metal chelate resins whose complexed nitrilotriacetic acid residues are bound to a carrier matrix via a spacer and which are suitable for metal chelate chromatography of proteins, especially those which contain neighbouring histidines.
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 July 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 2009.
- 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.