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CA1305328C - Recovery of silver from photographic film with ... - …
- https://patents.google.com/patent/CA1305328C/en#:~:text=%20%20%20%20Publication%20%20%20,of%20developed%20...%20%2018%20more%20rows%20
- none
Photographic Film Silver Recovery | Arch Film Recycling
- https://www.archenterprises.com/photographic-film-recycling.html
- We recover the silver from many types of films used in the photographic industry and can recycle used films, virgin films, and other virgin silver-bearing photo papers. Examples include: Medical and industrial X-rays; Lithographic films; Black and white films; Consumer films; Professional films; The scrap films are treated and processed in our facility for photographic film recovery …
US5238543A - Recovery of silver from photographic film …
- https://patents.google.com/patent/US5238543A/en
- A process which incorporates the recovery of silver from photographic film into the recovery of silver from photographic development waste solution is …
Recovering Silver from Photographic Materials
- https://www.911metallurgist.com/blog/recovering-silver-from-photographic-materials
- Recovering Silver from Photographic Materials Photographic film. Five – gallon plastic bucket. Furnace or oven. Plastic strainer or funnel. Coffee filters or ash-free filters. Clay crucibles. Beaker or Pyrex container.
US4299676A - Recovery of silver from photographic film
- https://patents.google.com/patent/US4299676A/en
- A process is provided for recovering silver and plastics material from photographic film. For exposed film, film is shredded or chopped, subjected …
US4093532A - Recovery of silver from photographic film
- https://patents.google.com/patent/US4093532A/en
- Apparatus for reclaiming silver from solution. Photographic film is transported through a plurality of compartments within which fluids act upon the constituents in the film coating. One of the...
CA1305328C - Recovery of silver from photographic film …
- https://patents.google.com/patent/CA1305328C/en
- 22 rows
US4612057A - Recovery of silver from photographic films …
- https://patents.google.com/patent/US4612057A/en
- A method for the recovery of silver from photographic film having a polyester base and a macromolecular organic polymer coating to which is adhered a light sensitive silver emulsion layer. The process includes mixing small film pieces in a hot aqueous liquid having a solids concentration level of at least 25 percent by volume.
Recovery of silver from photographic film - Photographic …
- https://www.freepatentsonline.com/4299676.html
- Recovery of silver from photographic film 1. A process for the recovery of silver from photographic film comprising the steps of: (a) shredding or chopping the... 2. A process according to claim 1, wherein the film material is treated twice with fixing solutions, first in a main... 3. A process ...
Recovery of silver from photographic film - Anken Industries
- https://www.freepatentsonline.com/4093532.html
- Recovery of silver from photographic film 1. Apparatus for the electrodeposition of silver from solution comprising a housing having a removable cover and walls... 2. Apparatus according to claim 1 in which said support means is of resilient material and is positioned on the upper... 3. Apparatus as ...
Recovery of silver from photographic film and …
- https://www.freepatentsonline.com/5238543.html
- u.s. pat. no. 3,960,550 discloses a process for recovering silver from a photographic film having a polymer base and a silver bearing emulsion layer coated thereon comprising immersing and washing the photographic film in a bleach solution of sodium hypochloride until the silver bearing emulsion layer is removed from the polymer base and …
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