Self-crosslinking alkyd dispersion
CA 2599787 C · Owner: Julien, Tim · Inventors: Julien, Tim; Willhite, John; Ryer, Dennis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coating composition is produced by forming an aqueous dispersion of a crosslinking agent and a resin that comprises the reaction product of an alkyd polymer, an optional surfalkyd, diacetone acrylamide another acrylate monomer , and optionally aromatic monomers wherein the reaction product is neutralized with either ammonia or an amine. A coating of the aqueous dispersion on wood exhibits at least some of the following desired properties: rapid dry time good tannin blocking, good resistance to picking up dirt good hot box , stability and good exterior durability. Additionally the inventive coatings , appear to provide improved crosslinking compared to coatings comprising resins not …
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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 March 3, 2006 and granted December 31, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 3, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.