CH479089A - Process for increasing the sensitivity of photosensitive halogen silver emulsions - Google Patents
Process for increasing the sensitivity of photosensitive halogen silver emulsionsInfo
- Publication number
- CH479089A CH479089A CH1419966A CH1419966A CH479089A CH 479089 A CH479089 A CH 479089A CH 1419966 A CH1419966 A CH 1419966A CH 1419966 A CH1419966 A CH 1419966A CH 479089 A CH479089 A CH 479089A
- Authority
- CH
- Switzerland
- Prior art keywords
- sensitivity
- increasing
- silver emulsions
- halogen silver
- photosensitive halogen
- Prior art date
Links
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
- G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
- G03C1/043—Polyalkylene oxides; Polyalkylene sulfides; Polyalkylene selenides; Polyalkylene tellurides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/0206—Polyalkylene(poly)amines
- C08G73/0213—Preparatory process
- C08G73/0226—Quaternisation of polyalkylene(poly)amines
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Polyethers (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA0050595 | 1965-10-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH479089A true CH479089A (en) | 1969-09-30 |
Family
ID=6937486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1419966A CH479089A (en) | 1965-10-23 | 1966-09-30 | Process for increasing the sensitivity of photosensitive halogen silver emulsions |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE688761A (en) |
CH (1) | CH479089A (en) |
DE (1) | DE1472783C3 (en) |
GB (1) | GB1145186A (en) |
NL (1) | NL6614930A (en) |
-
1965
- 1965-10-23 DE DE19651472783 patent/DE1472783C3/en not_active Expired
-
1966
- 1966-09-30 CH CH1419966A patent/CH479089A/en not_active IP Right Cessation
- 1966-10-06 GB GB4474666A patent/GB1145186A/en not_active Expired
- 1966-10-21 NL NL6614930A patent/NL6614930A/xx unknown
- 1966-10-24 BE BE688761D patent/BE688761A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1145186A (en) | 1969-03-12 |
DE1472783A1 (en) | 1969-05-29 |
NL6614930A (en) | 1967-03-28 |
DE1472783C3 (en) | 1974-06-27 |
BE688761A (en) | 1967-04-24 |
DE1472783B2 (en) | 1973-11-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |