Color concentrates
CA 1332198 C · Owner: Baker, Warren · Inventors: Baker, Warren
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
organic colour concentrates are provided as well as a, method of preparing such concentrates. Separate feeds of organic colouring concentrates, together with a carrier resin are, blended in a high intensity mixer to provide an agglomerate-free and uniformly dispersed organic pigment in a conventional molten carrier resin. These products find use in various fields for colouring eg. film, and other thermoplastic resins used in eg. injection molding.
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 27, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 27, 2011.
- 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.