Color photographic light-sensitive material
CA 1052166 A · Owner: Fuji Photo Film Co. · Inventors: Aotsuka, Yasuo; Ueda, Hirozo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A color photographic light-sensitive material which comprises a support having thereon at least a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a yellow filter layer and a blue-sensitive silver halide layer, in which the green-sensitive layer comprises a first green-sensitive silver halide emulsion layer and a second green-sensitive silver halide emulsion layer and the relative positionwise relationship of each layer is in the order of the red-sensitive silver halide emulsion layer the, first green-sensitive silver halide emulsion layer the yellow, filter layer, the blue-sensitive silver halide emulsion layer and the second green-sensitive …
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 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 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.
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.