Print media products for generating high quality, water-fast images and methods for making the same
CA 2389629 A1 · Owner: Hewlett-Packard Company · Inventors: Mcmanus, Richard J.; Page, Loretta Ann Grezzo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ink-receiving print media products (10 100, 200) having multiple capabilities including (A) minimal drying time; (B) improved smear-fastness; (C) a high level of, water-fastness; (D) the ability to generate high-definition images; and (E) excellent, ink compatibility. The media products (10 100, 200) have at least one ink-, receiving layer (30) on a substrate (12) (e.g. paper pre-coated with one or more binders and/or, pigments). The ink-receiving layer (30) includes a pigment (boehmite pseudo-, boehmite, or mixtures thereof) optimally combined with a special binder blend polyvinyl alcohol, a polyvinyl acetate-ethylene) copolymer and a polyvinyl, pyrrolidone-vinyl acetate) copolymer. …
Read the whole patent
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 6, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 6, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 6, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.