Process of recycling spent photographic developer and...

Details Process of recycling spent photographic developer and... Process of recycling spent photographic developer and...

G - Physics

03

C

G03C 5/30 (2006.01) G03C 5/31 (2006.01)

Patent

CA 2105532

TITLE OF THE INVENTION PROCESS OF RECYCLING SPENT PHOTOGRAPHIC DEVELOPER AND RECYCLED PHOTOGRAPHIC DEVELOPER ABSTRACT OF THE DISCLOSURE A process for recycling a hydroquinone-free black- and-white photographic developer composition comprises the steps of collecting the developer, optionally filtering the collected material, and reconstituting the developer, whereby the spent developer is brought back to substantially the activity of fresh developer having the same composition wherein the recycled developer can be used to process black-and-white photographic materials without adverae effects.

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