Integrated process for production of gasoline and ether
CA 2030000 C · Owner: Owen, Hartley · Inventors: Schipper, Paul H.; Le, Quang N.; Owen, Hartley
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Paraffinic naphtha is upgraded to high octane fuel by contacting a fresh virgin naphtha feedstock with a cracking catalyst comprising a zeolite of 1-12 constraint index under low pressure selective cracking conditions effective to produce a light olefinic fraction rich in C4- C5 isoalkene and a C6+ liquid fraction of enhanced octane value. The isoalkene fraction is etherified to produce tertiary alkyl ethers.
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
- Filed November 14, 1990 and granted October 16, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 14, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 14, 2012.
- 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.