Two step process for the obtainment of white oils
CA 1318634 C · Owner: Compania Espanola De Petroleos, S.A. - Cepsa · Inventors: Anglada Llovera, Salvador
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A two step process for the obtainment of white oils using hydrocarbons which are heavy alkylates obtained as a by product in the manufacture of detergent range linear alkylbenzene (9-15 carbon atom paraffin chains) as the raw material is described. The first step consists of pretreatment (of an absorbent nature) of the feed, with an activated magnesium silicate in order to eliminate the heaviest components. In a second stage the resulting treated product acts as a feed in a hydrogenation process to produce white oils, in a presence of a hydrogenation catalyst formed by a metallic component of the group of iron and/or nickel upon a refractory inorganic oxide support. The catalytic …
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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 1, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 1, 2010.
- 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
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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.