Ebullated bed hydroprocessing methods and systems and methods of upgrading an existing ebullated bed system
CA 2855431 C · Owner: Headwaters Heavy Oil, Llc · Inventors: Lott, Roger K.; Lee, Lap-Keung
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ebullated bed hydroprocessing system and also a method for upgrading a pre-existing ebullated bed hydroprocessing system involves introducing a colloidal or molecular catalyst or a precursor composition capable of forming the colloidal or molecular catalyst into an ebullated bed reactor. The colloidal or molecular catalyst is formed by intimately mixing a catalyst precursor composition into a heavy oil feedstock and raising the temperature of the feedstock to above the decomposition temperature of the precursor composition to form the colloidal or molecular catalyst in situ. The improved ebullated bed hydroprocessing system includes at least one ebullated bed reactor that employs both a …
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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
- Filed April 28, 2005 and granted August 16, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 28, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.