Aqueous coating compositions
CA 1338835 C · Owner: Zeneca Resins Bv · Inventors: Overbeek, Gerardus Corneliss; Heuts, Martinus Petrus Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An aqueous selfcrosslinkable coating composition which comprises an aqueous dispersion of at least one vinyl polymer, wherein the polymer system constituting said at least one vinyl polymer has chain-pendant amine functional groups and chain-pendant carbonyl functional groups to provide a selfcrosslinking reaction during and/or after coating formation from the composition. The vinyl polymers having both amine and carbonyl groups are also claimed.
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 January 7, 1997. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 7, 2014.
- 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.