Alkylation process
CA 1099300 A · Owner: Allied Chemical Corporation · Inventors: Karsay, Bela I.; Gancy, Alan B.; Sturtevant, Robert L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A. B. GANCY and B. I. KARSAY, ABSTRACT, An improved process for the alkylation of isoparaffins by olefins in the presence of a sulfuric acid catalyst is disclosed. Improvement in the octane rating of the product alkylate is achieved by the periodic fortification of the sulfuric acid catalyst with sulfur trioxide-bearing fortifying agents and the incorporation of a holding time to delay the return of the fortified acid to the alkylation zone. Fortification is employed less than 6% of the time the catalyst is in contact with the hydrocarbons and a preferred water content of between 1.5% and 2.5% is maintained in the acid. By maintaining an optimum water content and fortifying less frequently …
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 14, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 14, 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.