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Expired Canadian patentCanada

Matt and scratch-resistant films and process for their manufacture

CA 1061973 A · Owner: Alkor G.M.B.H. · Inventors: Fink, Roland; Breitenfellner, Franz

CIPO record

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

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Abstract From the Canadian patent

Matt and scratch-resistant films and process for their manufacture, Abstract of the Disclosure Matt films having a scratch-resistant surface are obtained from moulding compositions reinforced with glass spheres if the extruded film is stretched while still in the molten state, and then allowed to cool. These films are suitable for use as coating materials, especially for furniture, doors and the like.

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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 September 11, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 11, 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.
Filed—
GrantedSeptember 11, 1979
Term endedSeptember 11, 1996
Patent numberCA 1061973 A
Classification (IPC)B29D7/00 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedSep 11, 1979Term endedSep 11, 1996

Sources & verification

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