Alkylation of aromatic amines in the presence of acidic, crystalline molecular sieves
CA 1266683 C · Owner: Air Products And Chemicals, Inc. · Inventors: Burgoyne, William F. Jr.; Dixon, Dale D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a process for alkylating aromatic amines by contacting said aromatic amine with an olefin in the presence of a catalyst system. the improvement which comprises alkylating aromatic amines represented by the formulas:, I II, where R is hydrogen, C1-10 alkyl halogen, phenyl, alkoxy, ester or, nitrile: R1 is hydrogen or C1-10 alkyl. x is 0. 1 or 2: A is C0-4 alkylene or NH. y is 1 or Z. except one y in formula I can be zero with an, aliphatic acyclic or cyclic monoolefin in the presence of an acidic crystalline molecular sieve catalyst. said catalyst having an acidity factor of at least 0.30.
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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 March 13, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 13, 2007.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.