GB515413A - Improved process for sensitising photographic silver halide emulsions - Google Patents
Improved process for sensitising photographic silver halide emulsionsInfo
- Publication number
- GB515413A GB515413A GB640938A GB640938A GB515413A GB 515413 A GB515413 A GB 515413A GB 640938 A GB640938 A GB 640938A GB 640938 A GB640938 A GB 640938A GB 515413 A GB515413 A GB 515413A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aldehyde
- dyes
- sensitising
- silver halide
- improved process
- 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
- 230000001235 sensitizing effect Effects 0.000 title abstract 2
- -1 silver halide Chemical class 0.000 title abstract 2
- 239000000839 emulsion Substances 0.000 title 1
- 229910052709 silver Inorganic materials 0.000 title 1
- 239000004332 silver Substances 0.000 title 1
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 abstract 3
- 239000000975 dye Substances 0.000 abstract 3
- 125000000623 heterocyclic group Chemical group 0.000 abstract 3
- OXTNCQMOKLOUAM-UHFFFAOYSA-N 3-Oxoglutaric acid Chemical compound OC(=O)CC(=O)CC(O)=O OXTNCQMOKLOUAM-UHFFFAOYSA-N 0.000 abstract 1
- CWUHFFCMFYWBIO-UHFFFAOYSA-N 3-methoxy-1h-indole-2-carbaldehyde Chemical compound C1=CC=C2C(OC)=C(C=O)NC2=C1 CWUHFFCMFYWBIO-UHFFFAOYSA-N 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 125000004433 nitrogen atom Chemical group N* 0.000 abstract 1
- 239000011800 void material 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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/08—Sensitivity-increasing substances
- G03C1/10—Organic substances
- G03C1/12—Methine and polymethine dyes
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI57333D DE707784C (de) | 1937-03-06 | 1937-03-06 | Verfahren zum Sensibilisieren photographischer Halogensilberemulsionen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB515413A true GB515413A (en) | 1939-12-04 |
Family
ID=6548964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB640938A Expired GB515413A (en) | 1937-03-06 | 1938-03-01 | Improved process for sensitising photographic silver halide emulsions |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE426734A (forum.php) |
| DE (1) | DE707784C (forum.php) |
| FR (1) | FR834033A (forum.php) |
| GB (1) | GB515413A (forum.php) |
-
1937
- 1937-03-06 DE DEI57333D patent/DE707784C/de not_active Expired
-
1938
- 1938-02-19 FR FR834033D patent/FR834033A/fr not_active Expired
- 1938-03-01 GB GB640938A patent/GB515413A/en not_active Expired
- 1938-03-04 BE BE426734D patent/BE426734A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR834033A (fr) | 1938-11-09 |
| DE707784C (de) | 1941-07-04 |
| BE426734A (forum.php) | 1938-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB515413A (en) | Improved process for sensitising photographic silver halide emulsions | |
| GB825544A (en) | Improvements in hardening gelatin | |
| ES305265A1 (es) | Procedimiento para la preparacion de alcoholes secundarios y esteres. | |
| ES288794A1 (es) | Procedimiento de obtención de nuevos derivados fluorescentes 1,2,3-triazólicos de la 3-fenilo-cumarina | |
| GB492812A (en) | Manufacture of imidazolines | |
| GB526684A (en) | Improvements in and relating to dyestuffs for sensitising photographic emulsions | |
| GB512477A (en) | Manufacture of polymethine dyestuffs | |
| US2211408A (en) | Nonamethine dyes | |
| ES279932A1 (es) | Procedimiento para preparar colorantes de la serie naftofurandiónica | |
| ES405648A1 (es) | Procedimiento para la preparacion de nuevos acidos 4 - (4 -bifenilil) - 4 - hidroxi - butiricos, sus esteres o lacto- nas. | |
| GB544120A (en) | Improvements in or relating to colour formers for use in colour photography | |
| GB262816A (en) | Manufacture of bodies of photographic desensitizing action | |
| ES392355A1 (es) | Un procedimiento para la preparacion de derivados de d-ho- moimida. | |
| US2592196A (en) | Methine dyestuffs and their manufacture | |
| ES274330A1 (es) | Procedimiento para la preparacion de nuevos compuestos de 1,5-benzodioxepano | |
| ES292034A1 (es) | Procedimiento para preparar colorantes carboxiamidoazoicos | |
| GB493455A (en) | Improvements in the manufacture of dyes | |
| US2723267A (en) | Cyanine dyes | |
| GB514329A (en) | Manufacture of aliphatic ketone-anils | |
| Hasselstrom et al. | On the Conversion of l-Abietic Acid into ad-Abietic Acid | |
| GB879954A (en) | Process for the manufacture of tertiary alkylamine phthalazones | |
| GB380702A (en) | Improvements in light-sensitive silver halide emulsions | |
| GB876686A (en) | Improvements in or relating to bicyclo (2,2,2) octane derivatives | |
| ES236450A1 (es) | Procedimiento para la obtencion de nuevos derivados de pepiracina | |
| ES401041A1 (es) | Un procedimiento para la preparacion de 17 alfa etinil-es- trioles. |