Process for the preparation of the 1-(4-chloro- benzoyl)-5-methoxy-2-methyl-3-indolyl- acetohydroxamic acid
CA 1164456 A · Owner: Unibios S.P.A. · Inventors: Chiodoni, Ugo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract:, A new process for the preparation of the 1-(4-chlorobenzoyl)-5-methoxy-2-methyl-3-indolyl-acetohydroxamic acid which comprises reacting a mixed anhydride between the 1-(4chloro-benzoyl)-5-methoxy-2-methyl-3-indolyl-acetic acid and an alkyl-halocarbonate, with hydroxylamine.
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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 27, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2001.
- 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.