Simultaneous production of lube oil and low pour products
CA 1079666 A · Owner: Exxon Research And Engineering Company · Inventors: Gilbert, John B.; Watson, William L.; Henry, H. Clarke
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the simultaneous preparation of both naphthenic and paraffinic lubricating oil basestocks is disclosed including, hydrocracking a hydrocarbon feedstock comprising either a naph-, thenic or paraffinic crude oil in the presence of a hydrocracking, catalyst at a temperature of from about 650 to 850°F and separating, both a paraffinic lubricating oil basestock and a naphthenic lubricating oil basestock for use in low pour specialty products from the hydrocracked product produced thereby.
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 June 17, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 17, 1997.
- 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.