Processes for the production of aminoalkyl glucosaminide phosphate and disaccharide immunoeffectors, and intermediates therefor
CA 2492446 A1 · Owner: Johnson, Craig L. · Inventors: Bazin-Lee, Helene G.; Sowell, C. Gregory; Johnson, Craig L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to processes for production of alkylamino glucosaminide phosphate compounds, and of disaccharide compounds including various novel , intermediates and intermediate processes. In one aspect glycosyl halides are , produced by reaction of an O-silyl glycoside with a dihalomethyl alkyl ether.
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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 8, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 8, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 8, 2025.
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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.