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Expired Canadian patentCanada

Resins, low temperature formulations, and coatings derived therefrom

CA 2600717 C · Owner: Battelle Memorial Institute · Inventors: Cafmeyer, Jeffrey T.; King, Jerry L. Ii; Vijayendran, Bhima R.

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Abstract From the Canadian patent

A series of resins were synthesized using a range of bio-based materials to control the molecular architecture, and therefore the properties of the , inventive resins. The utility of these resins was demonstrated in the formulation of powder coatings, such as .beta.-hydroxy amide crosslinked and hybrid types. Generally, the bio-based resins flowed out on heating faster than conventional petrochemically-based resins allowing the use of lower , temperatures in the curing oven than is typically possible and a more active catalyst system, especially in the carboxylic acid-epoxy crosslinked hybrid coatings formulations.

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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 20, 2006 and granted August 27, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 20, 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.
FiledMarch 20, 2006
GrantedAugust 27, 2013
Term endedMarch 20, 2026
Patent numberCA 2600717 C
Classification (IPC)C08G63/67 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMarch 20, 2006Patent grantedAug 27, 2013Term endedMarch 20, 2026

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.