Flexible, self-crosslinking binders
CA 1252928 A · Owner: Union Carbide Corporation · Inventors: Colon, Ismael; Johnson, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Flexible, self-cross-linking binders, useful for e.g. paints and magnetic media, composites are prepared from hydroxyl-containing, thermoplastic polymers reacted with condensates of diisocyanates and unsaturated esters. They can be cured with an electron beam.
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
- Granted April 18, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 18, 2006.
- 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.