Primer/antihalation coating for photothermographic constructions
CA 1298513 C · Owner: Helland, Randall H. · Inventors: Mccarney, Gregory J.; Helland, Randall H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A photothermographic recording article comprises in sequence:, a) a substrate, b) a prime coat/antihalation layer comprising a pigmented acrylic polymer binder system c) a photothermographic dispersion comprising a binder, a non-light sensitive silver source material photographic silver halide in catalytic proximity to silver source material, and, d) optionally a topcoat layer, said article further comprising a reducing agent for silver ion and at least one development accelerator in at least one of the layers of the substrate.
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
- Granted April 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 7, 2009.
- 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.