Method of oxidizing secondary alkyl substituted naphthalenes and a process of producing isopropylnaphthols
CA 1291767 C · Owner: Hirokane, Nobuya · Inventors: Hirokane, Nobuya; Ishiguro, Masaharu; Miki, Hisaya
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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A method of oxidizing secondary alkyl substituted naphthalenes with molecular oxygen in a liquid phase to hydroperoxides, carbinols or mixtures of these which comprises:, oxidizing the secondary alkyl substituted naphthalenes in the presence of an aromatic hydrocarbon having a fused ring which contains at least one methylene group therein in amounts of not more than about 1000 ppm based on the secondary alkyl substituted naphthalene used. A process of producing isopropylnaphthols is also disclosed, which comprises: oxidizing diisopropylnaphthalenes with molecular oxygen in a liquid phase to diisopropylnaphthalene monohydroperoxides in the presence of (a) either an aromatic hydrocarbon …
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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 November 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 2008.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.