EP 0301579 B1 19941228 - Photographic photosensitive solution manufacturing method and apparatus.
Title (en)
Photographic photosensitive solution manufacturing method and apparatus.
Title (de)
Methode und Apparat zur Verarbeitung von photographischen photoempfindlichen Lösungen.
Title (fr)
Méthode et appareil de fabrication de solutions photographiques photosensibles.
Publication
Application
Priority
JP 18873687 A 19870730
Abstract (en)
[origin: EP0301579A2] A method and apparatus for manufacturing photographic photosensitive solution to produce crystals of silver halide emulsion having a uniform size and shape and without substantial waste of expensive Ag<+> solution. Flow control valves for controlling the flow rates of Ag<+> and X<-> solutions are controlled according to a predetermined flow rate or pAg potential program and using output signals of respective flow meters or a pAg potentiometer. The flow control valves are motor-controlled flow control valves for which the rate of change of flow rate with valve stroke is small and linear.
IPC 1-7
IPC 8 full level
B01F 15/04 (2006.01); G03C 1/015 (2006.01); B01F 3/08 (2006.01)
CPC (source: EP)
B01F 35/2111 (2022.01); B01F 35/2132 (2022.01); B01F 35/82 (2022.01); G03C 1/015 (2013.01); B01F 23/40 (2022.01)
Designated contracting state (EPC)
DE GB NL
DOCDB simple family (publication)
EP 0301579 A2 19890201; EP 0301579 A3 19901128; EP 0301579 B1 19941228; DE 3852586 D1 19950209; DE 3852586 T2 19950504; JP S6433545 A 19890203
DOCDB simple family (application)
EP 88112348 A 19880729; DE 3852586 T 19880729; JP 18873687 A 19870730