Composition for chromatography
CA 1101828 A · Owner: Eastman Kodak Company · Inventors: Schaeffer, James R.; Harris, Harry W.; Snoke, Roy E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract A chromatographic material comprising an inorganic support-polysaccharide particle matrix is described. The matrix comprises an inorganic support having a high surface density of hydroxyl groups and, covalently attached thereto insoluble particles of a polysaccharide. The free hydroxyl groups of the matrix can be activated, for example by treatment with, cyanogen bromide or sodium metaperiodate to form active sites, where ligands can be attached for affinity chromatography. - 1 -
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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 26, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 1998.
- 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.