Acetamide compounds
CA 1322755 C · Owner: Mitsumori, Naomichi · Inventors: Nishimura, Yasuhiro; Suzuki, Motoko; Ibata, Katsuhiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There are provided acetamide compounds represented by the following formula;, wherein R1 and R2 each independently represents a hydrogen atom, a C1 to C6 straight- or branched-chain alkyl or alkenyl group, a C3 to C6 cycloalkyl or cycloalkenyl group or an C6 to C10 aromatic group; or R1 and R2 combine with each other in combination with the adjacent N and carbon atoms or further with at least one of nitrogen oxygen and, sulfur atoms to represent a 5- to 6-membered heterocyclic ring group; R3 represents hydrogen atom a C1 to C6, straight- or branched-chain alkyl or alkenyl group a C3, to C6 cycloalkyl or cycloalkenyl group a halogen atom, a C1 to C6 straight- or branched-chain alkyloxy group …
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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 October 5, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 5, 2010.
- 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.