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Canadian application, no grantCanada

Imaged articles comprising a substrate having a primed surface

CA 2451733 A1 · Owner: Ludwig, Bret W. · Inventors: Rinehart, Ernest M.; Woo, Oh Sang; Theissen, Richard F.

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

The present invention relates to an imaged article comprising a substrate having a primed surface layer. The primed surface layer is comprised of a base polymer having a solubility parameter, molecular weight (Mw) and glass transition temperature within a specified range. The presence of the primer improves the overall image quality by improving at least one property including ink uptake, dot gain, color density and/or ink adhesion. Preferred primer compositions are soluble at least in part in the ink composition resulting in an increase in ink layer thickness that further improves the durability and/or day/night color balance. A variety of substrates may be primed including …

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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 June 3, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 3, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 3, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 3, 2002
GrantedNo grant recorded
Term endedJune 3, 2022
Patent numberCA 2451733 A1
Classification (IPC)B41M5/00 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedJune 3, 2002Term endedJune 3, 2022

Sources & verification

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