Method for preparing a photographic emulsion, and apparatus for

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

422234, G03C 1015, B01J 1400

Patent

active

057232792

ABSTRACT:
The invention concerns a method and a device for preparing a photographic emulsion.
The device according to the invention comprises a plurality of external circulation loops disposed in parallel and in which the content of a vessel containing at least a stirred gelatin solution is circulated, the loops having an identical configuration, means being provided for adding in an identical manner, to each of the loops, reagents required for the formation and/or growth of silver halide grains, the output of the circulation loops being recycled continuously in the vessel.

REFERENCES:
patent: 3415650 (1968-12-01), Frame et al.
patent: 3482982 (1969-12-01), Miyata
patent: 3650757 (1972-03-01), Irie et al.
patent: 3655166 (1972-04-01), Sauer et al.
patent: 3790386 (1974-02-01), Posse et al.
patent: 3897935 (1975-08-01), Forster et al.
patent: 4046576 (1977-09-01), Terwilliger et al.
patent: 4147551 (1979-04-01), Finnicum et al.
patent: 4171224 (1979-10-01), Verhille et al.
patent: 4242445 (1980-12-01), Saito
patent: 4251627 (1981-02-01), Calamur
patent: 4758505 (1988-07-01), Hoffmann
patent: 5104786 (1992-04-01), Chronis et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method for preparing a photographic emulsion, and apparatus for does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for preparing a photographic emulsion, and apparatus for , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for preparing a photographic emulsion, and apparatus for will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2246565

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.