Synthetic resin
CA 1318462 C · Owner: Novartis Ag · Inventors: Rink, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
4-16403/+, Synthetic resin, Abstract, A synthetic resin based on a polystyrene that cna be used as a support for soild phase peptide synthesis and that has been cross-linked with from 0 to 5 mol% of divinyl benzene, characterised in that it has been substituted at benzene rings of its skeletal structure by groups of the formula, (I), in which X represents -O- or -NH- and R represents C1-C4-alkyl as a, support renders possible the solid phase synthesis of peptides and peptide amides that are, if desired, protected at the N-terminal and/or at other functional groups. The resin is manufactured by reaction of a customary chloromethylated polystyrene resin with an alkali metal salt of the …
Read the whole patent
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 25, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 25, 2010.
- 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.