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Expired Canadian patentCanada

Rodent-repellent microcapsules and preparations thereof

CA 1302242 C · Owner: Fukakusa, Yoshiya · Inventors: Moriwaki, Masafumi; Fuziwara, Hideki; Fukakusa, Yoshiya

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

1-, Abstract, The present invention is directed to rodent-repellent microcapsules in which a core material is coated with a wall material of the microcapsules, the core material being a solution containing cycloheximide; a rodentrepellent resin composition comprising said microcapsules; a rodent-repellent coating material comprising said microcapsules; and a rodent repellent adhesive comprising said microcapsules.

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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 2, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 28, 1986
GrantedJune 2, 1992
Term endedJune 2, 2009
Patent numberCA 1302242 C
Classification (IPC)A01N25/28

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedNov 28, 1986Patent grantedJune 2, 1992Term endedJune 2, 2009

Sources & verification

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