Process and device for treating a photographic recording material
CA 1304253 C · Owner: Ganzke, Jurgen · Inventors: Kritzner, Bruno; Jahn, Dieter; Ganzke, Jurgen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Process and device for treating photosensitive recording material comprising a carrier layer and at least one photosensitive recording layer having a hardened image, e.g. halftone images, whereby undesirable streaks are eliminated particularly in halftone areas, the recording material while being transported flat is successively treated with washing agent in at least two separated wash sections by jets shaped and arranged so that each surface unit area of the recording layer is sequentially struck by at least two wash spray cones which do not contact each other prior to impacting the recording layer. The amount of washing agent impacting a unit area of the surface of the recording material …
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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 June 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 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.