CH632421A5 - Method and appliance for carrying out a chemical process - Google Patents

Method and appliance for carrying out a chemical process Download PDF

Info

Publication number
CH632421A5
CH632421A5 CH46178A CH46178A CH632421A5 CH 632421 A5 CH632421 A5 CH 632421A5 CH 46178 A CH46178 A CH 46178A CH 46178 A CH46178 A CH 46178A CH 632421 A5 CH632421 A5 CH 632421A5
Authority
CH
Switzerland
Prior art keywords
solid
temperature
solution
water
acid
Prior art date
Application number
CH46178A
Other languages
German (de)
English (en)
Inventor
James Doyle
Original Assignee
Ciba Geigy Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of CH632421A5 publication Critical patent/CH632421A5/de

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03DAPPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D13/00Processing apparatus or accessories therefor, not covered by groups G11B3/00 - G11B11/00
    • G03D13/006Temperature control of the developer
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/01Control of temperature without auxiliary power

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Packages (AREA)
CH46178A 1977-01-26 1978-01-17 Method and appliance for carrying out a chemical process CH632421A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3054/77A GB1558522A (en) 1977-01-26 1977-01-26 Processing tank

Publications (1)

Publication Number Publication Date
CH632421A5 true CH632421A5 (en) 1982-10-15

Family

ID=9751118

Family Applications (1)

Application Number Title Priority Date Filing Date
CH46178A CH632421A5 (en) 1977-01-26 1978-01-17 Method and appliance for carrying out a chemical process

Country Status (5)

Country Link
CH (1) CH632421A5 (es)
DE (1) DE2802942A1 (es)
FR (1) FR2379108A1 (es)
GB (1) GB1558522A (es)
IT (1) IT7847756A0 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464685A1 (fr) * 1979-09-13 1981-03-20 Jobo Labortech Dispositif regulateur de temperature pour recipients de reserve, en particulier pour produits chimiques servant au developpement photographique
FR2474195A1 (fr) * 1980-01-22 1981-07-24 Comp Generale Electricite Procede de regulation thermique
EP0129954A1 (en) * 1983-06-22 1985-01-02 Mobil Oil Corporation A passive temperature control system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876634A (en) * 1954-12-08 1959-03-10 Hale G Zimmerman Thermodynamic container
US3463140A (en) * 1967-10-11 1969-08-26 Edward A Rollor Jr Container for heated liquids
US3603106A (en) * 1969-03-27 1971-09-07 John W Ryan Thermodynamic container

Also Published As

Publication number Publication date
GB1558522A (en) 1980-01-03
IT7847756A0 (it) 1978-01-24
DE2802942A1 (de) 1978-07-27
FR2379108B1 (es) 1983-02-04
FR2379108A1 (fr) 1978-08-25

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Legal Events

Date Code Title Description
PL Patent ceased