Aminoplast resin composition
CA 2523237 C · Owner: Floyd, William C. · Inventors: Floyd, William C.; Hopkins, Gregory J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Resin compositions, methods of forming such resin compositions methods of using such resin compositions and substrates treated with such resin compositions are disclosed. One of such resin compositions contains no formaldehyde and is useful as a binder. Such resin composition comprises the reaction product of: a) melamine b) at least one aldehyde of formula (1) as defined in the specification c) a cross linking agent, wherein the cross linking agent is glyoxylic acid and d) at least one polyol having 2 or more than 2 hydroxyl groups. The resin composition of the present invention can provide performance characteristics to which they are applied.
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 October 13, 2005 and granted September 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 13, 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.