Copolymers of acryloylaminoalkyl compounds
CA 2384427 A1 · Owner: Kossmann, Beate · Inventors: Kossmann, Beate; Ottersbach, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to antimicrobial polymer which can be obtained by , copolymerisation of a monomer of formula (I) where R1 = -H or -CH3 R2 = , branched or straight chain aliphatic hydrocarbon radical with 1 to 5 carbon atoms, Y=NR3R4, N+R3R4R5 X-R3, R4, R5 = H a branched or straight chain , aliphatic hydrocarbon radical with 1 to 5 carbon atoms whereby R3, R4 and R5 , are identical or different and X- CH3SO-4 NO-3, F-, Cl-, Br-, I-, CH3CH2-, NO2-, NO- CN-, SCN-, CNO-, ClO-, ClO2-, ClO3-, ClO4-. ClO4- with other aliphatic, unsaturated monomers. The invention also relates to a method for production of said polymers. Said polymers can also be produced by graft copolymerisation of a …
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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 July 8, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 8, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 8, 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
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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.