Process for the manufacture of lubricating oils
CA 1248480 A · Owner: Mobil Oil Corporation · Inventors: Chester, Arthur W.; Vartuli, James C.; Garwood, William E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for catalytically hydrodewaxing a hydrocarbon feedstock to produce high yields of low pour high viscosity index, hydrocracked lubricating oil stock comprises contacting the feedstock and hydrogen under dewaxing conditions with a catalyst composition comprising ZSM-22, a Group VIII metal and a support.
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 January 10, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 10, 2006.
- 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.