Premix for coating composition for metal substrates
CA 1061689 A · Owner: Diamond Shamrock Corporation · Inventors: Gunn, Walter H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, An aqueous coating composition is prepared from an anhydrous, storage stable premix component to which there is added additional coating composition ingredients including, water. The premix contains pulverulent metal flake water-, soluble dispersing agent, water-soluble cellulose ether and, water-dispersible organic liquid. The other coating composition ingredients are exemplified by a solution of chromic acid in water.
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 4, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 4, 1996.
- 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.