Process for producing ribonucleosides
CA 1279279 C · Owner: Kansai Paint Co. Ltd. · Inventors: Iida, Takamitsu; Ueno, Junji; Sakamoto, Masahiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a process for producing ribonucleosides by reacting a base donor with a ribose compound in the presence of nucleoside phosphorylase to form N-glycosidic linkage between the base moiety of the base donor and the ribose moiety of the ribose compound, which process is characterized by the use of an immobilized nucleoside phosphorylase preparation obtained by subjecting a mixture of an enzyme source having nucleosidase activity in addition to nucleoside phosphorylase activity and a photo-curable resin having a photosensitive radical at any position of the prepolymer chain structure thereof to irradiation with actinic rays, whereby the activity of the nucleosidase …
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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 January 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 2008.
- 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.