GB984873A - Photographic developing solutions - Google Patents
Photographic developing solutionsInfo
- Publication number
- GB984873A GB984873A GB2823762A GB2823762A GB984873A GB 984873 A GB984873 A GB 984873A GB 2823762 A GB2823762 A GB 2823762A GB 2823762 A GB2823762 A GB 2823762A GB 984873 A GB984873 A GB 984873A
- Authority
- GB
- United Kingdom
- Prior art keywords
- developing solutions
- photographic
- photographic developing
- developer
- heptono
- 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
- 150000001875 compounds Chemical class 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- 229920000388 Polyphosphate Polymers 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 229940005740 hexametaphosphate Drugs 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- 239000001205 polyphosphate Substances 0.000 abstract 1
- 235000011176 polyphosphates Nutrition 0.000 abstract 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract 1
- 239000003352 sequestering agent Substances 0.000 abstract 1
- 235000019832 sodium triphosphate Nutrition 0.000 abstract 1
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 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)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE635243D BE635243A (nl) | 1962-07-23 | ||
GB2823762A GB984873A (en) | 1962-07-23 | 1962-07-23 | Photographic developing solutions |
FR941548A FR1363034A (fr) | 1962-07-23 | 1963-07-16 | Révélateurs photographiques |
DE19631447710 DE1447710A1 (de) | 1962-07-23 | 1963-07-22 | Entwicklerzusammensetzung fuer photographische Halogensilberemulsionen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2823762A GB984873A (en) | 1962-07-23 | 1962-07-23 | Photographic developing solutions |
Publications (1)
Publication Number | Publication Date |
---|---|
GB984873A true GB984873A (en) | 1965-03-03 |
Family
ID=10272498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2823762A Expired GB984873A (en) | 1962-07-23 | 1962-07-23 | Photographic developing solutions |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE635243A (nl) |
DE (1) | DE1447710A1 (nl) |
GB (1) | GB984873A (nl) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3477849A (en) * | 1964-03-23 | 1969-11-11 | Eastman Kodak Co | Multi-color dye developer systems |
-
0
- BE BE635243D patent/BE635243A/xx unknown
-
1962
- 1962-07-23 GB GB2823762A patent/GB984873A/en not_active Expired
-
1963
- 1963-07-22 DE DE19631447710 patent/DE1447710A1/de active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3477849A (en) * | 1964-03-23 | 1969-11-11 | Eastman Kodak Co | Multi-color dye developer systems |
Also Published As
Publication number | Publication date |
---|---|
DE1447710A1 (de) | 1968-11-14 |
BE635243A (nl) |
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