SUBSTITUTED .alpha.-AMINOOXYCARBOXYLIC AMIDE DERIVATIVES AND A PROCESS FOR THE PREPARATION THEREOF
CA 1058195 A · Owner: Richter Gedeon Vegyeszeti Gyar Rt · Inventors: Dancsi, Lajos; Patthy, Agnes; Kisfaludy, Lajos
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
New .alpha.-aminooxycarobxylic amide derivatives of the general formula (I), (I), wherein X represent a furfurylidene or nitro furfurylidene group or a C1-7 alkylidene or isoalkylidene group which may have at least one substituent selected from the group consisting of a lower alkoxycarbonyl group or a phenyl group which, may have at least one halogen hydroxy amino, lower alkyl-, amino, nitro or methoxy substituent; R represents hydrogen benzyl group or a C1-5 alkyl group; R' represents hydrogen or a C1-5 alkyl group; and Y represents a lower alkyl benzyl group, a lower cycloalkyl group or a phenyl group which may have at least one halogen and/or methoxy substituent are prepared, for …
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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 July 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 10, 1996.
- 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.