Silicone modified acrylics and epoxies
CA 2505953 C · Owner: Reactamine Technology, Llc · Inventors: Smith, Stuart B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention includes a novel polyol prepolmer including either an aliphatic amine, cycloaliphatic amine, aromatic amine or a mixture of these with an , epoxy functional silicone to produce the novel polyol prepolymer chain extender. , In one aspect of the invention the novel polyol prepolymer chain extender is reacted with an epoxy resin to produce a novel silicone modified epoxy resin having improved adhesion, chemical resistance UV stability, and decreased , shrinkage properties. In another aspect of the invention the novel polyol , prepolymer chain extender is reacted with an acrylic monomer to produce a novel , silicone modified acrylic resin having improved adhesion …
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 April 29, 2005 and granted April 28, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 29, 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.