Adsorbent for immunoglobulins and complexes thereof, adsorption method, and adsorption device
CA 2244734 A1 · Owner: Nakai, Takahisa · Inventors: Asahi, Takashi; Odawara, Osamu; Tani, Nobutaka
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An adsorbent that exhibits a high specificity in adsorbing immunoglobulins and/or complexes thereof, is extremely reduced in the lowering of the adsorption characteristic during sterilization or storage is highly stable , and safe, and is prepared by immobilizing on a water-soluble support either a peptide derivative which has undergone at least one of the deletion substitution, insertion or addition of amino acids in a peptide having a specified amino acid sequence or an amino acid sequence or the above peptide , derivative which has undergone the addition of Lyn or Cys at the amino and/or carboxyl terminal thereof; a device for adsorption and removal made by packing the adsorbent in …
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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
- Filed January 24, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 24, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 24, 2019.
- 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
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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.