DE286727C - - Google Patents
Info
- Publication number
- DE286727C DE286727C DENDAT286727D DE286727DA DE286727C DE 286727 C DE286727 C DE 286727C DE NDAT286727 D DENDAT286727 D DE NDAT286727D DE 286727D A DE286727D A DE 286727DA DE 286727 C DE286727 C DE 286727C
- Authority
- DE
- Germany
- Prior art keywords
- developer
- mono
- neutral
- water
- iron oxide
- 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.)
- Active
Links
- 230000007935 neutral effect Effects 0.000 claims description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- IRXRGVFLQOSHOH-UHFFFAOYSA-L dipotassium;oxalate Chemical compound [K+].[K+].[O-]C(=O)C([O-])=O IRXRGVFLQOSHOH-UHFFFAOYSA-L 0.000 claims description 3
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 3
- 239000011790 ferrous sulphate Substances 0.000 claims description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000843 powder Substances 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical class OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001860 citric acid derivatives Chemical class 0.000 description 1
- VEPSWGHMGZQCIN-UHFFFAOYSA-H ferric oxalate Chemical compound [Fe+3].[Fe+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O VEPSWGHMGZQCIN-UHFFFAOYSA-H 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229940023144 sodium glycolate Drugs 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003892 tartrate salts Chemical class 0.000 description 1
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
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)
- Heat Sensitive Colour Forming Recording (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE512109X | 1914-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE286727C true DE286727C (enrdf_load_stackoverflow) |
Family
ID=6548031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT286727D Active DE286727C (enrdf_load_stackoverflow) | 1914-10-03 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE286727C (enrdf_load_stackoverflow) |
| FR (1) | FR512109A (enrdf_load_stackoverflow) |
| GB (1) | GB191514714A (enrdf_load_stackoverflow) |
| NL (1) | NL2913C (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2531832A (en) * | 1947-06-12 | 1950-11-28 | Du Pont | Silver halide developers containing polyethylene glycols |
-
0
- DE DENDAT286727D patent/DE286727C/de active Active
- NL NL2913D patent/NL2913C/xx active
-
1915
- 1915-10-18 GB GB191514714D patent/GB191514714A/en not_active Expired
- 1915-11-26 FR FR512109A patent/FR512109A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL2913C (enrdf_load_stackoverflow) | |
| GB191514714A (en) | 1916-05-18 |
| FR512109A (fr) | 1921-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE286727C (enrdf_load_stackoverflow) | ||
| AT73700B (de) | Verfahren zur Herstellung eines photographischen Eisenoxydulentwicklers in fester Form. | |
| DE619555C (de) | Verfahren zur Herstellung von Hefe | |
| DE687089C (de) | Kaliwasserglaskitt | |
| AURICH et al. | Darstellung von 3-Dehydro-carnitin | |
| DE653872C (de) | Verfahren zur Herstellung von duennfluessigen waessrigen Aufschlaemmungen aus AEtzkalk und Kaliumsulfat | |
| DE705772C (de) | Photographische Behandlungsbaeder | |
| DE560887C (de) | Verfahren zur Herstellung von Zementen | |
| DE285708C (enrdf_load_stackoverflow) | ||
| DE602469C (de) | Waegeeinrichtung zur selbsttaetigen Angabe des Gewichtes der zum Poekeln von Fleischdiesem zuzufuehrenden Poekellake | |
| DE1466968A1 (de) | Produkt zur Herstellung von Zahnabdruecken und Verfahren zur Herstellung dieser Abdruecke | |
| AT95730B (de) | Verfahren zur elektrolytischen Aufarbeitung zinkhaltiger Materialen. | |
| DE181647C (enrdf_load_stackoverflow) | ||
| AT133131B (de) | Verfahren zur Aufbereitung von Wasser, insbesondere Brauereiwasser. | |
| DE652377C (de) | Verfahren zur Herstellung eines Glanzpigmentes | |
| DE663688C (de) | Verbesserung der Haftfaehigkeit von zu verstaeubenden oder in Spritzbruehen zu suspendierenden Pflanzenschutzmitteln | |
| DE242466C (enrdf_load_stackoverflow) | ||
| AT111273B (de) | Verfahren und Vorrichtung zum Einstellen des richtigen Mischungsverhältnisses von Farbe und Farbverflüssigungsmittel bei Tiefdruckmaschinen. | |
| AT121328B (de) | Verfahren zur Gewinnung des Hormons des Hypophysenvorderlappens. | |
| DE665256C (de) | Verfahren zur Herstellung von basischem Kupfersulfat | |
| DE438187C (de) | Verfahren zur Darstellung von loeslichen organischen Antimonverbindungen | |
| DE666340C (de) | Herstellung von Chromoxydgruen | |
| DE861906C (de) | Verfahren zur Herstellung haltbarer Loesungen von o-Dioxyphenyl-aethanolamin | |
| AT240243B (de) | Verfahren zur Herstellung von Calciumsulfat-Dihydrat | |
| DE286775C (enrdf_load_stackoverflow) |