Method for making thixotropic materials
CA 1202788 A · Owner: The Dow Chemical Company · Inventors: Busk, Robert S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of the Invention, A process for producing a liquid-solid composition comprising heating a liquefiable material sufficiently to form a liquid phase with solid dendritic particles therein without completely liquefying the material and subjecting said liquid-solid material to a shearing action sufficient to break at least a portion of the dendritic structures. The process includes injection molding, forging or die casting the material produced by the process.
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 April 8, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 2003.
- 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.