GB847877A - Improvements in photographic developing compositions - Google Patents
Improvements in photographic developing compositionsInfo
- Publication number
- GB847877A GB847877A GB14744/58A GB1474458A GB847877A GB 847877 A GB847877 A GB 847877A GB 14744/58 A GB14744/58 A GB 14744/58A GB 1474458 A GB1474458 A GB 1474458A GB 847877 A GB847877 A GB 847877A
- Authority
- GB
- United Kingdom
- Prior art keywords
- developer
- photographic
- metol
- phosphates
- packet
- 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
Links
- 239000000203 mixture Substances 0.000 title 1
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 abstract 4
- 229910019142 PO4 Inorganic materials 0.000 abstract 3
- 235000021317 phosphate Nutrition 0.000 abstract 3
- ZVNPWFOVUDMGRP-UHFFFAOYSA-N 4-methylaminophenol sulfate Chemical compound OS(O)(=O)=O.CNC1=CC=C(O)C=C1.CNC1=CC=C(O)C=C1 ZVNPWFOVUDMGRP-UHFFFAOYSA-N 0.000 abstract 2
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 abstract 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 abstract 2
- ZCXWTMXKDNKRSU-UHFFFAOYSA-N 1,4-diethylcyclohexa-3,5-diene-1,2-diamine sulfuric acid Chemical compound S(=O)(=O)(O)O.C(C)C1(C(C=C(C=C1)CC)N)N ZCXWTMXKDNKRSU-UHFFFAOYSA-N 0.000 abstract 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 abstract 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 239000010452 phosphate Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- -1 silver halide Chemical class 0.000 abstract 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 abstract 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 abstract 1
- 235000019832 sodium triphosphate Nutrition 0.000 abstract 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 abstract 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
- G03C5/29—Development processes or agents therefor
- G03C5/305—Additives other than developers
- G03C5/3053—Tensio-active agents or sequestering agents, e.g. water-softening or wetting agents
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL847877X | 1957-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB847877A true GB847877A (en) | 1960-09-14 |
Family
ID=19845237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB14744/58A Expired GB847877A (en) | 1957-05-09 | 1958-05-08 | Improvements in photographic developing compositions |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE567522A (enrdf_load_html_response) |
| FR (1) | FR1206111A (enrdf_load_html_response) |
| GB (1) | GB847877A (enrdf_load_html_response) |
-
0
- BE BE567522D patent/BE567522A/xx unknown
-
1958
- 1958-05-08 GB GB14744/58A patent/GB847877A/en not_active Expired
- 1958-05-09 FR FR1206111D patent/FR1206111A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1206111A (fr) | 1960-02-08 |
| BE567522A (enrdf_load_html_response) |
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