GB1192490A - Silver Halide Emulsions having improved Sensitivity - Google Patents
Silver Halide Emulsions having improved SensitivityInfo
- Publication number
- GB1192490A GB1192490A GB22437/68A GB2243768A GB1192490A GB 1192490 A GB1192490 A GB 1192490A GB 22437/68 A GB22437/68 A GB 22437/68A GB 2243768 A GB2243768 A GB 2243768A GB 1192490 A GB1192490 A GB 1192490A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver halide
- halide emulsions
- improved sensitivity
- pyrrolidine
- carboxylic acid
- 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
- -1 Silver Halide Chemical class 0.000 title abstract 3
- 239000000839 emulsion Substances 0.000 title abstract 3
- 229910052709 silver Inorganic materials 0.000 title abstract 3
- 239000004332 silver Substances 0.000 title abstract 3
- 230000035945 sensitivity Effects 0.000 title 1
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 abstract 3
- PMMYEEVYMWASQN-DMTCNVIQSA-N Hydroxyproline Chemical compound O[C@H]1CN[C@H](C(O)=O)C1 PMMYEEVYMWASQN-DMTCNVIQSA-N 0.000 abstract 1
- ONIBWKKTOPOVIA-UHFFFAOYSA-N Proline Chemical compound OC(=O)C1CCCN1 ONIBWKKTOPOVIA-UHFFFAOYSA-N 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
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)
- Pyrrole Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63965567A | 1967-05-19 | 1967-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1192490A true GB1192490A (en) | 1970-05-20 |
Family
ID=24565019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22437/68A Expired GB1192490A (en) | 1967-05-19 | 1968-05-10 | Silver Halide Emulsions having improved Sensitivity |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3514292A (https=) |
| BE (1) | BE715318A (https=) |
| DE (1) | DE1772425C3 (https=) |
| FR (1) | FR1563490A (https=) |
| GB (1) | GB1192490A (https=) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2699391A (en) * | 1950-01-11 | 1955-01-11 | Gen Aniline & Film Corp | Synthetic polypeptides of alpha-amino acids as restrainers in photographic emulsions |
| US2740713A (en) * | 1952-04-26 | 1956-04-03 | Warren Joel | Sensitization of photographic emulsions |
-
1967
- 1967-05-19 US US639655A patent/US3514292A/en not_active Expired - Lifetime
-
1968
- 1968-05-10 GB GB22437/68A patent/GB1192490A/en not_active Expired
- 1968-05-14 DE DE1772425A patent/DE1772425C3/de not_active Expired
- 1968-05-16 FR FR1563490D patent/FR1563490A/fr not_active Expired
- 1968-05-17 BE BE715318D patent/BE715318A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1772425A1 (de) | 1970-10-22 |
| DE1772425B2 (de) | 1977-07-14 |
| DE1772425C3 (de) | 1978-03-23 |
| BE715318A (https=) | 1968-11-18 |
| FR1563490A (https=) | 1969-04-11 |
| US3514292A (en) | 1970-05-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |