Solids concentrate which contains abrasive solids and causes little wear
CA 1281829 C · Owner: Hoechst Aktiengesellschaft · Inventors: Fritz, Hans-Gerhard; Schule, Helmut; Grunschloss, Eberhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The wear on machine components is reduced during processing of solids concentrates containing abrasive solids if solids concentrates in which the carrier material has a resistance to shear and/or deformation which as the same as or higher than that of the polymer to be provided with the solids concentrate are employed.
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 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 2008.
- 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.