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Expired Canadian patentCanada

Methods of forming multilayer coated film

CA 1255249 A · Owner: Fuji Photo Film Co. Ltd. · Inventors: Naruse, Yasuhito; Inukai, Yuzo

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Abstract From the Canadian patent

A method of forming a multilayer coated film comprising applying two or more layers containing a non-aqueous solvent continuously traveling flexible web,wherein at least one of the two or more coated layers comprises a coating composition containing an electron beam hardenable compound and at least one of the two or more coated layers has a viscosity of about 100 cps or more, and irradiating the two or more coated layers with electron beams to harden the coated layers or increase the viscosity thereof,and thereafter drying the coated layers is disclosed.

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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 6, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 6, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 11, 1984
GrantedJune 6, 1989
Term endedJune 6, 2006
Patent numberCA 1255249 A
Classification (IPC)B05D3/06 +2 more

Timeline

Timeline From CIPO dates

19851988199119941997200020032006Application filedApril 11, 1984Patent grantedJune 6, 1989Term endedJune 6, 2006

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