Sialosylcerebrosides and a preparation method thereof
CA 1269367 C · Owner: Sugimoto, Mamoru · Inventors: Numata, Masaaki; Sugimoto, Mamoru; Ito, Masayoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is concerned with novel sialosylcerebrosides of the formule (I): (I), wherein R1 is hydrogen or acetyl, R2 is -COOR4 in which R4 is hydrogen, sodium or methyl and, R3 is, wherein R5 is hydrogen or acetyl R6 is -C(CC13)=NH, or, wherein R7 is hydrogen or benzoyl R11 is a saturated, aliphatic hydrocarbon group having 10 to 16 carbon atoms and R12 is a saturated aliphatic hydrocarbon group having 15 to 25 carbon atoms; or R2 is wherein R5 and R6 have the same meaning as defined above and R3 is -COOR4, R4 having the same meaning as defined above. The compounds of the invention are useful as a tumor marker, a differentiation marker for cells having inducing ability of …
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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 May 22, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 2007.
- 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.