Multi-modal vinyl ester resins
CA 2565313 C · Owner: La Scala, John Joseph · Inventors: La Scala, John Joseph; Palmese, Giuseppe Raffaello; Sands, James Matthew
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Multi-modal vinyl ester resins having one or more of good fracture toughness good processing viscosity, and low volatile organic compound emissions are provided. The multi-modal vinyl ester resins are the reaction product of a liquid or crystalline epoxy and an amorphous solid epoxy, as determined at , 25~C, with a vinyl carboxylic acid. The multi-modal vinyl ester resins may contain a reactive diluent, though generally lower reactive diluent contents , are required for such resins than for similar commercially available vinyl , ester resins.
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
- Filed May 6, 2005 and granted June 25, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 6, 2025.
- 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.