Carbohydrate-based anti-inflammatory agents
CA 2088489 A1 · Owner: Glycomed Incorporated · Inventors: Schweingruber, Hans; Tiemeyer Michael; Swiedler, Stuart J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ligands that bind to endothelial leukocyte adhesion molecule-1 (ELAM-1) are disclosed. These ligands have the formula (I) wherein each of the saccharide rings shown is connected at its 1-position to the next saccharide at its 3-position or 4-position and wherein at least one of A and B is (II) wherein R4 is -(CHOH)3H H, alkyl containing 1 to 6 carbons, CHO or perfluoroalkyl, containing 1 to 6 carbons; R5 is H alkyl containing 1 to 6 carbons, COCH3 COCH2OH or COCF3; R6 is H, or an alkyl containing 1 to 6 carbons; each D is independently H or a galactosyl or, fucosyl residue, wherein at least one D is an .alpha.-fucosyl connected to the 3-position or 4-position of the sugar to which it is …
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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 July 30, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 30, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 30, 2013.
- 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.