Process for the conversion of hydrocarbons
CA 1057685 A · Owner: Shell Canada Limited · Inventors: Ladeur, Peter; Van Klinken, Jakob
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the preparation of lubricating oils with high viscosity index by contacting a mixture of heavy hydrocarbons consisting at least partially of one or more foots oils (a foots oil being a mixture of oil and lowmelting paraffin waxes obtained during the de-oiling of slack wax in the preparation of distillate paraffin wax) with a hydrocracking catalyst at elevated temperature and pressure and in the presence of hydrogen.
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 July 3, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 3, 1996.
- 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.