Method for coupling molecules
CA 2382499 A1 · Owner: Stetsenko, Dmitry · Inventors: Gait, Michael John; Stetsenko, Dmitry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of linking a first molecule M1-NH2 with a second molecule M2-OH comprising reaction of a compound of the formula (I): M1-NH-CO-A-CO-SR1 wherein M1 is the residue of a molecule bearing an amino group A is an , alkylene or arylene group, R1 is alkyl or aryl with a compound of formula , (II), M2 is the residue of a molecule bearing a hydroxy group wherein B is a linker, D is C1-4 alkylene group or C3-12 arylene group R2 is hydrogen or a , thiol protecting group. In addition this invention relates to conjugate , products of the coupling reaction reagents for modifying M1-NH2 and M2-OH and kits comprising these reagents.
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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 August 25, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 25, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 25, 2022.
- 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.