Method for dewaxing hydrocarbon oil
CA 1254162 A · Owner: Nippon Oil Co. Ltd. · Inventors: Okazaki, Hajime; Ushio, Masaru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
7. Abstract of the Disclosure, The present invention provides a method for dewaxing hydrocarbon oil characterized by bringing hydrocarbon oil into contact with a catalyst comprising crystalline aluminosilicate prepared by maintaining a gelled reaction mixture consisting of a silica source, an alumina source, an alkali source, water, and an organic compound under hydrothermal synthetic condition with a ratio of composition expressed by molar ratio as follows:, SiO2/A?2O3 = 10 - 300 H2O /SiO2 = 5 - 100, OH? /SiO2 = 0.01 - 1.0 R /A?2O3 ? 0.05, wherein R is the above organic compound and a fluorine, compound.
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 May 16, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 16, 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.