Building boards
CA 1192826 A · Owner: Aci Australia Limited · Inventors: Tivendale, John A.; Lawrence James A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for the manufacture of fibreboard particle board, and laminates is provided whereby a phenoplast binding resin is caused to cure rapidly in the presence of an acid donor curing agent by the addition of an aminoplast resin, the curing agent being substantially inactive until curing temperatures are reached.
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 September 3, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 2002.
- 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.