Preparation method for catalyst support and materials produced thereby
CA 1095013 A · Owner: Johns-Manville Corporation · Inventors: Kranich, Herbert, Jr.
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 preparation of catalyst supports as disclosed, as well as supports made by the method. Natural diatomite, bentonite clay, corn meal and water are mixed extruded, pelleted, dried and calcined to form porous catalyst support pellets.
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 February 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 3, 1998.
- 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.