Production of zeolite agglomerates
CA 1164433 A · Owner: British Petroleum Company Limited (The) · Inventors: Barclay, John L.; Hargrove, John D.; Prince, Richard J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Strengthened zeolite molecular sieve agglomerates are prepared by treating the agglomerates with an aqueous solution of a water soluble silicon compound and subsequently with an aqueous solution of a mineral acid of sufficient strength to decationise the molecular sieve and/or increase its SiO2 : Al2O3 ratio. The strengthened agglomerates are suitable for use as catalyst supports.
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 27, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2001.
- 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.