Inhibition of metastatis potential and invasiveness by oligosaccharides or oligosaccharide antigens or antibodies
CA 2089375 A1 · Owner: Hakomori, Senitiroh · Inventors: Hakomori, Senitiroh; Toyokuni, Tatsushi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Agents and methods for inhibiting metastasis potential of tumor cells are provided. Metastasis potential of tumor cells may be inhibited by an agent selected from the group consisting of (a) tumor-associated carbohydrate antigens (TACAs) that exhibit differential prognostic significance, (b) antibodies that specifically bind to these antigens, (c) oligosaccharide components of these antigens, and (d) conjugates of these antigens or oligosaccharides wherein the agent inhibits the metastasis potential of the preparation. Additional oligosaccharides for use within the methods and compositions provided herein include lactose and lactose derivatives. The present invention also discloses …
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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 August 29, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 29, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 29, 2013.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.