FR2269116A1 - Aq soln for cleaning photographic tanks - contg alkali metal peroxy-monosulphate, alkal metal bisulphate, and thiourea - Google Patents

Aq soln for cleaning photographic tanks - contg alkali metal peroxy-monosulphate, alkal metal bisulphate, and thiourea

Info

Publication number
FR2269116A1
FR2269116A1 FR7414193A FR7414193A FR2269116A1 FR 2269116 A1 FR2269116 A1 FR 2269116A1 FR 7414193 A FR7414193 A FR 7414193A FR 7414193 A FR7414193 A FR 7414193A FR 2269116 A1 FR2269116 A1 FR 2269116A1
Authority
FR
France
Prior art keywords
tanks
monosulphate
thiourea
soln
alkali metal
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7414193A
Other languages
French (fr)
Other versions
FR2269116B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Priority to FR7414193A priority Critical patent/FR2269116A1/en
Priority to DE19752511433 priority patent/DE2511433C2/en
Priority to BE6044994A priority patent/BE828199A/en
Publication of FR2269116A1 publication Critical patent/FR2269116A1/en
Application granted granted Critical
Publication of FR2269116B1 publication Critical patent/FR2269116B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C11/00—Auxiliary processes in photography
    • G03C11/005—Cleaning photographic processing and manufacturing apparatus

Abstract

Aq. soln. for cleaning photographic tanks, e.g. developing tanks, contains (I) 10-150 g/l alkali metal peroxy-monosulphate, (II) 20-200 g/l alkali metal bisulphate, and (III) 5-100 g/l thiourea. Process is rapid, and complete elimination of silver deposits is obtd. Prod. is relatively non-toxic.
FR7414193A 1974-04-24 1974-04-24 Aq soln for cleaning photographic tanks - contg alkali metal peroxy-monosulphate, alkal metal bisulphate, and thiourea Granted FR2269116A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7414193A FR2269116A1 (en) 1974-04-24 1974-04-24 Aq soln for cleaning photographic tanks - contg alkali metal peroxy-monosulphate, alkal metal bisulphate, and thiourea
DE19752511433 DE2511433C2 (en) 1974-04-24 1975-03-15 Procedure for cleaning photo tanks
BE6044994A BE828199A (en) 1974-04-24 1975-04-21 PROCESS FOR CLEANING PHOTOGRAPHY TANKS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7414193A FR2269116A1 (en) 1974-04-24 1974-04-24 Aq soln for cleaning photographic tanks - contg alkali metal peroxy-monosulphate, alkal metal bisulphate, and thiourea

Publications (2)

Publication Number Publication Date
FR2269116A1 true FR2269116A1 (en) 1975-11-21
FR2269116B1 FR2269116B1 (en) 1976-12-17

Family

ID=9138044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7414193A Granted FR2269116A1 (en) 1974-04-24 1974-04-24 Aq soln for cleaning photographic tanks - contg alkali metal peroxy-monosulphate, alkal metal bisulphate, and thiourea

Country Status (3)

Country Link
BE (1) BE828199A (en)
DE (1) DE2511433C2 (en)
FR (1) FR2269116A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993016214A1 (en) * 1990-11-19 1993-08-19 Eastman Kodak Company Process for cleaning a photographic process device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1068840B (en) * 1959-11-12 Gottlob Epple Mineralölwerk, Stuttgart - Bad Cannstatt Agent for removing silver-containing residues from plastic parts
DD23348A (en) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993016214A1 (en) * 1990-11-19 1993-08-19 Eastman Kodak Company Process for cleaning a photographic process device

Also Published As

Publication number Publication date
FR2269116B1 (en) 1976-12-17
DE2511433A1 (en) 1975-12-04
BE828199A (en) 1975-10-21
DE2511433C2 (en) 1985-02-21

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Legal Events

Date Code Title Description
ST Notification of lapse