Pigment suspending agents in paint systems
CA 1066161 A · Owner: Nl Industries · Inventors: Swenson, Carl R.; Franco, Armando; Naughton, Frank C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, The instant application covers the use of a heatstable composition of matter useful for modifying the rheological and suspension properties of non-aqueous fluid systems containing finely divided solid particles. The heat-stable composition of matter comprises a creamy paste of finely divided particles of an emulsifiable polyethylene wax suspended in a sulfated-sulfonated castor oil solution.
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 November 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 13, 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.