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Expired Canadian patentCanada

Printing inks for offset and/or high printing containing nir absorbers and nir absorbers soluble in offset and/or high printing inks

CA 2557787 C · Owner: Erk, Peter · Inventors: Bueschel, Michael; Frank, Erich; Reichelt, Helmut

CIPO record

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Abstract From the Canadian patent

The invention relates to printing inks for offset and/or high printing containing NIR absorbers, and the solubility of the NIR absorber in the printing ink is at least 0,1 wt. %. The invention also relates to an NIR absorber made of a cyanine cation comprising an anion provided with a long-, chained alkyl and/or aralkyl group to the use of said type of printing inks in the printing method, wherein hardening of the printing ink is assisted by using IR lasers.

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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

  • Filed March 2, 2005 and granted January 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 2, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 2, 2005
GrantedJanuary 10, 2012
Term endedMarch 2, 2025
Patent numberCA 2557787 C
Classification (IPC)C09D11/10

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMarch 2, 2005Patent grantedJan 10, 2012Term endedMarch 2, 2025

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