3-phenylthiosialic acid derivative, sialic acid-containing oligosaccharide derivative and process for preparing these compounds
CA 1309712 C · Owner: Kondo, Tadao · Inventors: Goto, Toshio; Kondo, Tadao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Sialic acid derivatives and process for preparing these compounds. In these compounds, a phenylthio group is stereo-selectively incorporated at the 3-position of the sialic acid. These compounds are useful as intermediates for snthesizing various glycosides such as ganglioside, a blood type determing factor GQ1b etc. The, present invention also relates to sialic acid-containing oligosaccharide derivatives and process for preparing them.
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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 November 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 2009.
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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.