Coatings
CA 1340144 C · Owner: Davies, Stephen Parry · Inventors: Kay, Graham Stuart; Davies, Stephen Parry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a base coat, composition comprising a dispersion in an aqueous carrier for the composition of polymer microparticles the, polymer microparticles being a mixture of: (a) 5 to 95% by weight of addition polymer microparticles having a crosslinked core and a stabilising mantle containing salt forming groups and (b) 95 to 5% by weight of addition polymer microparticles having polyoxyalkylene stabiliser units derived from C1-4 alkoxypolyoxyalkylene containing monomers.
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 November 24, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 24, 2015.
- 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.