Method for processing light-sensitive silver halide color photographic material
CA 1305889 C · Owner: Ishikawa, Masao · Inventors: Ishikawa, Masao; Koboshi, Shigeharu; Kurematsu, Masayuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method for processing light-sensitive silver halide color photographic material, Disclosed is a method for processing a light-sensitive silver halide color photographic material which, comprises including at least the step of color developing, the step of processing with a liquor having fixing ability and the step of processing with a washing solution substitute as the final processing step after, imagewise exposure of a light-sensitive silver halide color photographic material containing at least one silver halide emulsion layer on a support characterized, in that at least one layer of the silver halide emulsion layer contains at least one coupler selected from the magenta couplers and the …
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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
- Granted August 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 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.