EP0358034B1 - Granulierter, farbfotografischer Entwickler und seine Herstellung - Google Patents
Granulierter, farbfotografischer Entwickler und seine Herstellung Download PDFInfo
- Publication number
- EP0358034B1 EP0358034B1 EP89115441A EP89115441A EP0358034B1 EP 0358034 B1 EP0358034 B1 EP 0358034B1 EP 89115441 A EP89115441 A EP 89115441A EP 89115441 A EP89115441 A EP 89115441A EP 0358034 B1 EP0358034 B1 EP 0358034B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- granulated
- developer
- granules
- granulated materials
- mixture
- 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.)
- Expired - Lifetime
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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/264—Supplying of photographic processing chemicals; Preparation or packaging thereof
- G03C5/265—Supplying of photographic processing chemicals; Preparation or packaging thereof of powders, granulates, tablets
Definitions
- the present invention relates to a granulated, color photographic developer and a manufacturing method of such a developer who quickly resolved can be.
- Color photographic developers usually include a number of solid components, e.g. the real one Developer substance, antioxidant, complexing agent, Sodium sulfite, alkali donors and alkali halides. Because these compounds react chemically with each other can, they are assembled separately and first mixed immediately before use.
- Such color developers are processed in the publication "Agglacolor Selst, Der Negativ / Positiv-Prozess ", pages 10, 11, 36, 37 (1972)”. Suitable assemblies are powders and liquid concentrates, the latter changing more and more over the years have prevailed, especially since some developers liquid Contain ingredients that understandably do not can be made up in powder form, for example Benzyl alcohol.
- the three or four concentrates in certain mixing ratios and optionally with the addition of Water mixed with stirring.
- the invention thus relates to a method for Production of a granular preparation of the solid Components of a color photographic developer, thereby characterized in that the antioxidant, the developer substance and the alkali donor of a color photographic developer separated on one Particle size ⁇ 10 microns, then optionally with the addition of a granulating liquid and a binder subject to powder agglomeration and in vacuo dries, mixes the individual granules and is water vapor-tight packed up.
- the granules of the solid components thus produced of a color photographic developer are mechanical stable, of uniform grain size, show a large Solution speed and unlimited durability are dust-free and free-flowing.
- the crushing of the solid components to particle sizes ⁇ 10 ⁇ m is usually done by jet milling.
- the powder agglomeration is preferably carried out in a fluidized bed performed, taking the one to be agglomerated Particles optionally granulating liquid, for example Add 200 ml water per kg powder and if necessary some binder, such as corn starch.
- the average particle diameter of the granules is ⁇ 150 ⁇ m and is in particular 150 to 3,000 ⁇ m.
- a protective gas for example nitrogen.
- the other components of the developer like anti-limescale, Complexing agent for heavy metal ions, sodium sulfite and alkali halide can also form granules processed and mixed into the mixture.
- each of these additives with one of the three essential ones Granulate components (developer substance, antioxidant or alkali dispenser) and to granulate.
- Suitable color developer compounds are aromatic compounds of the p-phenylenediamine type containing at least one primary amino group, for example N, N-dialkyl-p-phenylenediamines such as N, N-diethyl-p-phenylenediamine, 1- (N-ethyl-N-methanesulfonamidoethyl) -3 -methyl-p-phenylenediamine, 1- (N-ethyl-N-hydroxyethyl) -3-methyl-p-phenylenediamine and 1- (N-ethyl-N-methoxyethyl) -3-methyl-p-phenylenediamine.
- Other useful color developers are described, for example, in J. Amer. Chem. Soc. 73 , 3106 (1951) and G. Haist
- Another object of the invention is a granulate mixture containing at least 3 different granules of integral parts of a color photographic Developer, a granulate containing the antioxidant, a granulate the developer substance and a Granules containing the alkali dispenser, and the middle one Particle diameter of the individual granules at least Is 150 ⁇ m.
- 1 kg of crystallized hydroxylammonium sulfate is in an Alexander sieve with a mesh size of 0.6 mm and then in an air jet mill on one average particle diameter ⁇ 10 ⁇ m milled.
- the granules are 90 min. at 40 ° C in a vacuum post-dried.
- Mixture C Mixture D a) Disodium salt of 1-hydroxyethane-1,1-diphosphonic acid 34 g --- b) Sodium sulfite 39 g 39 g c) Ethylenediaminetetraacetic acid --- 24 g d) Potassium carbonate 336 g 336 g e) Sodium bicarbonate 15 g 15 g f) Potassium bromide 15 g 15 g 439 g 429 g
- the individual granules A, B, C and D are mixed in the following weight ratio in a laboratory mixer, whereby work must be carried out with the exclusion of moisture: Granules A 2.4 g Granules B 4.52 g Granules C 21.95 g Granules D 21.45 g total weight 50.32 g
- the mixed granulate is excluded from moisture (Transfer of very dry air) with plastic and aluminum foil laminated paper bags that be welded shut immediately.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Cosmetics (AREA)
- Anti-Oxidant Or Stabilizer Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Mischung C | Mischung D | ||
a) | Dinatriumsalz der 1-Hydroxyethan-1,1-diphosphonsäure | 34 g | --- |
b) | Natriumsulfit | 39 g | 39 g |
c) | Ethylendiamintetraessigsäure | --- | 24 g |
d) | Kaliumcarbonat | 336 g | 336 g |
e) | Natriumhydrogencarbonat | 15 g | 15 g |
f) | Kaliumbromid | 15 g | 15 g |
439 g | 429 g |
Granulat A | 2,4 g |
Granulat B | 4,52 g |
Granulat C | 21,95 g |
Granulat D | 21,45 g |
Gesamtgewicht | 50,32 g |
50,32 g des Mischgranulats werden unter leichtem Rühren in 950 ml Wasser von ca. 25°C gegeben. Nach 22 Sekunden sind sämtliche festen Teilchen gelöst. Die Lösung ist gelblich gefärbt und klar.
In dem durch Auflösen des Mischgranulats hergestellten Colornegativ-Filmentwickler wurden Testfilme entwickelt. Hierbei gab es im Vergleich mit einem herkömmlichen Entwickler des gleichen Typs keine sensitometrischen Unterschiede.
Unter Feuchtigkeitsausschluß bei Herstellung und Verpackung ist das Mischgranulat unbegrenzt haltbar.
Claims (4)
- Granulatmischung enthaltend wenigstens drei unterschiedliche Granulate von festen Bestandteilen eines farbfotografischen Entwicklers, wobei ein Granulat das Oxidationsschutzmittel, ein Granulat die Entwicklersubstanz und ein Granulat den Alkalispender enthält, und der mittlere Teilchendurchmesser der einzelnen Granulate mindestens 150 µm beträgt.
- Granulatmischung nach Anspruch 1, wobei der mittlere Teilchendurchmesser der einzelnen Granulate 150 bis 3000 µm beträgt.
- Granulatmischung nach Anspruch 1, die wasserdampfdicht verpackt ist.
- Verfahren zur Herstellung einer Granulatmischung nach Anspruch 1, dadurch gekennzeichnet, daß
man das Oxidationsschutzmittel, die Entwicklersubstanz und den Alkalispender eines farbfotografischen Entwicklers getrennt auf eine Teilchengröße <10 µm mahlt, anschließend gegebenenfalls unter Zusatz einer Granulierflüssigkeit und eines Bindemittels einer Pulveragglomeration unterwirft und im Vakuum trocknet, die einzelnen Granulate mischt und wasserdampfdicht verpackt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3830023 | 1988-09-03 | ||
DE3830023A DE3830023A1 (de) | 1988-09-03 | 1988-09-03 | Granulierter, farbfotografischer entwickler und seine herstellung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0358034A2 EP0358034A2 (de) | 1990-03-14 |
EP0358034A3 EP0358034A3 (de) | 1990-06-06 |
EP0358034B1 true EP0358034B1 (de) | 1999-07-28 |
Family
ID=6362256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89115441A Expired - Lifetime EP0358034B1 (de) | 1988-09-03 | 1989-08-22 | Granulierter, farbfotografischer Entwickler und seine Herstellung |
Country Status (4)
Country | Link |
---|---|
US (1) | US4923786A (de) |
EP (1) | EP0358034B1 (de) |
JP (1) | JP2793853B2 (de) |
DE (2) | DE3830023A1 (de) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3830023A1 (de) | 1988-09-03 | 1990-03-15 | Agfa Gevaert Ag | Granulierter, farbfotografischer entwickler und seine herstellung |
US5055384A (en) * | 1989-05-10 | 1991-10-08 | Agfa Gevaert Aktiengesellschaft | Granulated photographic fixative and its preparation |
DE3920921A1 (de) * | 1989-06-27 | 1991-01-03 | Agfa Gevaert Ag | Granuliertes, farbfotografisches bleichmittel und seine herstellung |
US5098819A (en) * | 1990-01-31 | 1992-03-24 | Knapp Audenried W | Non-toxic photographic developer composition |
DE4009310A1 (de) * | 1990-03-23 | 1991-09-26 | Agfa Gevaert Ag | Granulierte fotochemikalien |
JPH0485536A (ja) * | 1990-07-30 | 1992-03-18 | Konica Corp | 包装された写真用固形処理剤 |
DE4025560A1 (de) * | 1990-08-11 | 1992-02-13 | Agfa Gevaert Ag | Fotochemikalien mit vermindertem staubanteil |
EP0509807A1 (de) * | 1991-04-15 | 1992-10-21 | Konica Corporation | Satz von Verarbeitungschemikalien für photographisches, lichtempfindliches Silberhalogenidmaterial und Verfahren zum Auflösen |
US5780211A (en) * | 1991-05-01 | 1998-07-14 | Konica Corporation | Processing composition in the tablet form for silver halide photographic light-sensitive material |
EP0540990B1 (de) * | 1991-11-06 | 1998-07-15 | Konica Corporation | Tablettenförmiges Behandlungsmittel und Methode zur Verarbeitung photographischer lichtempfindlicher Silberhalogenidmaterialien |
EP0542283A1 (de) * | 1991-11-12 | 1993-05-19 | Konica Corporation | Tablette zur Verarbeitung eines photographischen, lichtempfindlichen Silberhalogenidmaterials |
JP2700841B2 (ja) * | 1991-11-20 | 1998-01-21 | コニカ株式会社 | ハロゲン化銀カラー感光材料処理用錠剤及びその製造方法 |
US5270154A (en) * | 1992-01-31 | 1993-12-14 | Fuji Hunt Photographic Chemicals Inc. | Method of making flowable alkaline thiosulfate/alkaline sulfite and the product thereof |
US5384233A (en) * | 1992-06-15 | 1995-01-24 | Konica Corporation | Chemicals kit including a container formed of multilayer film, for processing photographic light-sensitive materials |
JP2929339B2 (ja) * | 1992-07-16 | 1999-08-03 | コニカ株式会社 | 白黒写真用処理剤 |
JP2916970B2 (ja) * | 1992-10-13 | 1999-07-05 | 富士写真フイルム株式会社 | カラー写真用発色現像組成物 |
DE69406817T2 (de) * | 1993-01-19 | 1998-05-28 | Konishiroku Photo Ind | Feste Zusammensetzung zur Verarbeitung von photographischen lichtempfindlichen Silberhalogenidfarbmaterialien und deren Verarbeitungsverfahren |
US5480768A (en) * | 1993-02-17 | 1996-01-02 | Konica Corporation | Method for processing exposed silver halide photographic light-sensitive material using a solid processing composition replenisher |
JPH07114151A (ja) * | 1993-08-23 | 1995-05-02 | Konica Corp | ハロゲン化銀写真感光材料用固体処理剤 |
JPH07248585A (ja) * | 1994-01-21 | 1995-09-26 | Konica Corp | ハロゲン化銀写真感光材料現像用固体処理剤 |
JPH07248597A (ja) * | 1994-03-09 | 1995-09-26 | Konica Corp | ハロゲン化銀写真感光材料用自動現像機およびハロゲン化銀写真感光材料用固体処理剤の供給方法および供給装置 |
EP0678782B1 (de) | 1994-04-19 | 2001-02-14 | Konica Corporation | Herstellungsverfahren für feste Verarbeitungszusammensetzungen für photographische, lichtempfindliche Silberhalogenidmaterialien |
JPH0829924A (ja) * | 1994-05-09 | 1996-02-02 | Konica Corp | ハロゲン化銀カラー写真感光材料用発色現像剤造粒物、その造粒方法、該造粒物を用いた固体処理剤および錠剤型固体処理剤 |
EP0687950A1 (de) | 1994-05-27 | 1995-12-20 | Konica Corporation | Verarbeitungszusammensetzung in Granulat- oder Tablettenform für die Verarbeitung eines photographischen lichtempfindlichen Silberhalogenidmaterials |
EP0691571B1 (de) * | 1994-06-14 | 2000-08-30 | Konica Corporation | Entwicklungsgranulat oder -tablette für photographische lichtempfindliche Silberhalogenidmaterialien und Verfahren zu dessen Herstellung |
US5557362A (en) | 1994-06-16 | 1996-09-17 | Konica Corporation | Silver halide photosensitive material automatic developing apparatus |
JPH0869098A (ja) | 1994-08-31 | 1996-03-12 | Konica Corp | ハロゲン化銀写真感光材料用自動現像機 |
US5624793A (en) | 1994-11-11 | 1997-04-29 | Konica Corporation | Method of manufacturing solid processing composition for silver halide photographic light-sensitive materials |
JPH08160588A (ja) | 1994-12-06 | 1996-06-21 | Konica Corp | ハロゲン化銀写真感光材料用自動現像機 |
JP3574986B2 (ja) | 1996-01-16 | 2004-10-06 | コニカミノルタホールディングス株式会社 | ハロゲン化銀写真感光材料用固体処理剤及びハロゲン化銀写真感光材料の処理方法 |
US5922521A (en) * | 1998-03-26 | 1999-07-13 | Eastman Kodak Company | Uniformly mixed dry photographic processing composition and method of preparation |
US5900355A (en) * | 1998-03-26 | 1999-05-04 | Eastman Kodak Company | Method of making uniformly mixed dry photographic processing composition using hot melt binder |
US5945265A (en) * | 1998-03-26 | 1999-08-31 | Eastman Kodak Company | Uniformly mixed dry photographic developing composition containing antioxidant and method of preparation |
US6077653A (en) * | 1998-07-29 | 2000-06-20 | Eastman Kodak Company | Photographic developing compositions and methods of using 1,4-cyclohexanediones as antioxidants |
US6130029A (en) * | 1999-06-14 | 2000-10-10 | Eastman Chemical Company | Stabilized phenylenediamine color developer compositions |
US7135275B2 (en) | 2003-08-28 | 2006-11-14 | Fuji Photo Film Co., Ltd. | Solid bleach-fixing composition for silver halide color photographic light-sensitive material, and method for processing silver halide color photographic light-sensitive material |
JP5588597B2 (ja) | 2007-03-23 | 2014-09-10 | 富士フイルム株式会社 | 導電性材料の製造方法及び製造装置 |
EP2009977A3 (de) | 2007-05-09 | 2011-04-27 | FUJIFILM Corporation | Elektromagnetische Abschirmschicht und optischer Filter |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB190906652A (en) * | 1909-03-19 | 1910-01-27 | Oppenheimer Son And Company Lt | Improvements relating to Preparation and Packeting of Chemical Substances used in Photography. |
US3981732A (en) * | 1971-08-19 | 1976-09-21 | Fuji Photo Film Co., Ltd. | Granular p-phenylenediamine color developing agent |
IL44352A (en) * | 1973-03-16 | 1977-07-31 | Ciba Geigy Ag | Preparation of non-dusty easily wetted and readily soluble granulates |
JPS511425A (en) * | 1974-06-18 | 1976-01-08 | Matsushita Electric Ind Co Ltd | Azobenzenjudotaino seizohoho |
JPS51151135A (en) * | 1975-06-09 | 1976-12-25 | Fuaburika Kimufuoto | Method of producing black and white movie and photographic film treating special composition developing reagent |
DK166954B1 (da) * | 1985-03-28 | 1993-08-09 | Deltagraph As | Fremgangsmaade til emballering af to indbyrdes reaktive, partikelformede stoffer |
US5314069A (en) | 1985-03-28 | 1994-05-24 | Deltagraph A/S | Process for obtaining a package containing mutually reactive particulate materials and a package containing such materials |
JPS62110739A (ja) * | 1985-11-06 | 1987-05-21 | Dai Ichi Kogyo Seiyaku Co Ltd | 水溶性セルロ−ス誘導体の顆粒化法 |
US4816384A (en) * | 1986-10-09 | 1989-03-28 | E. I. Du Pont De Nemours And Company | Powdered packaged developer |
DE3830023A1 (de) | 1988-09-03 | 1990-03-15 | Agfa Gevaert Ag | Granulierter, farbfotografischer entwickler und seine herstellung |
-
1988
- 1988-09-03 DE DE3830023A patent/DE3830023A1/de not_active Withdrawn
-
1989
- 1989-08-18 US US07/395,598 patent/US4923786A/en not_active Expired - Lifetime
- 1989-08-22 EP EP89115441A patent/EP0358034B1/de not_active Expired - Lifetime
- 1989-08-22 DE DE58909852T patent/DE58909852D1/de not_active Expired - Fee Related
- 1989-09-02 JP JP1226400A patent/JP2793853B2/ja not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
"Agfacolor Selbst Verarbeitet, Der Negativ/Positiv-Prozess", 1972, Seiten 10,11,36 und 37 * |
Also Published As
Publication number | Publication date |
---|---|
DE3830023A1 (de) | 1990-03-15 |
EP0358034A3 (de) | 1990-06-06 |
DE58909852D1 (de) | 1999-09-02 |
US4923786A (en) | 1990-05-08 |
JP2793853B2 (ja) | 1998-09-03 |
EP0358034A2 (de) | 1990-03-14 |
JPH02109042A (ja) | 1990-04-20 |
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