Catalysts and catalyst supports
CA 1211425 A · Owner: Grace (W.R.) & Co. · Inventors: Lussier, Roger J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract Catalysts and catalyst supports which comprise solid inorganic oxides, such as crystalline zeolites clay and/or inorganic gels, combined with an acid reacted metakaolin binder. The compositions may be spray dried and calcined to obtain dense attrition, resistant fluid cracking catalysts or used in the preparation of formed catalyst supports. -1-
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 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 16, 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.