Pigment product
CA 1266955 C · Owner: Sasamoto, Edward Kaoru · Inventors: Sasamoto, Edward Kaoru; Foye, Thomas Edward
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A method of producing a pigment-hydrophobic organic vehicle product which comprises: A. providing an emulsion which comprises: 1. an organic liquid selected from the group consisting of:, a) oleophilic resins, b) organic solvents and c) mixtures thereof, 2. an emulsification agent and 3. water, B. forming a water slurry of a pigment C. admixing said emulsion with said pigment slurry D. forcing said emulsion and pigment slurry mixture through a concentration zone and, E. flushing said mixture with a hydrophillic organic vehicle.
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 March 27, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2007.
- 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.