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Expired Canadian patentCanada

Fungicidal indanylbenzamide

CA 1189534 A · Owner: Sumitomo Chemical Co. Ltd. · Inventors: Ohsumi, Tadashi; Inoue, Satoru; Maeda, Kiyoto

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Abstract From the Canadian patent

A fungicidal indanylbenzamide derivative of the formula:, I, wherein X is a lower alkyl nitro, or trifluoromethyl group, or a halogen atom and R1, R2 and R3, which are the same or different, each represents a hydrogen atom or a lower alkyl 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 June 25, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 26, 1983
GrantedJune 25, 1985
Term endedJune 25, 2002
Patent numberCA 1189534 A
Classification (IPC)A01N37/22

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJan 26, 1983Patent grantedJune 25, 1985Term endedJune 25, 2002

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.