GB1137909A - Light-sensitive material with improved photographic properties - Google Patents
Light-sensitive material with improved photographic propertiesInfo
- Publication number
- GB1137909A GB1137909A GB5541765A GB5541765A GB1137909A GB 1137909 A GB1137909 A GB 1137909A GB 5541765 A GB5541765 A GB 5541765A GB 5541765 A GB5541765 A GB 5541765A GB 1137909 A GB1137909 A GB 1137909A
- Authority
- GB
- United Kingdom
- Prior art keywords
- copolymer
- maleic anhydride
- light
- prepared
- sensitive material
- 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
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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F22/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides or nitriles thereof
- C08F22/04—Anhydrides, e.g. cyclic anhydrides
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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
1,137,909. Maleic anhydride copolymers. AGFA-GEVAERT A.G. 31 Dec., 1965 [31 Dec., 1964], No. 55417/65. Heading C3P. [Also in Division G2] A copolymer I is prepared by reacting maleic anhydride and methacrylic acid (75 : 25) in benzene in the presence of benzoyl peroxide as catalyst and has a molecular weight of 1250 measured in dioxane. It is converted to a semi-ester by reaction with butanol and to a semi-imide by reaction with N-methyl urea. A copolymer III is also prepared by reacting maleic anhydride and styrene (75 : 25) in benzene in the presence of benzoyl peroxide as catalyst, has a molecular weight of 1050 measured in dioxane, and is reacted with NaOH. A copolymer is prepared similar to copolymer I having a ratio of maleic anhydride to methacrylic acid of (60 : 40) and is then reacted with sodium hydroxide.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA0048032 | 1964-12-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1137909A true GB1137909A (en) | 1968-12-27 |
Family
ID=6936119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5541765A Expired GB1137909A (en) | 1964-12-31 | 1965-12-31 | Light-sensitive material with improved photographic properties |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE674511A (en) |
CH (1) | CH453068A (en) |
DE (1) | DE1447594A1 (en) |
FR (1) | FR1501717A (en) |
GB (1) | GB1137909A (en) |
NL (1) | NL6517159A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5027375B1 (en) * | 1971-01-19 | 1975-09-06 | ||
US4172732A (en) * | 1974-04-10 | 1979-10-30 | Fuji Photo Film Co., Ltd. | Photographic light-sensitive material |
-
1964
- 1964-12-31 DE DE19641447594 patent/DE1447594A1/en active Pending
-
1965
- 1965-12-17 CH CH1744565A patent/CH453068A/en unknown
- 1965-12-30 NL NL6517159A patent/NL6517159A/xx unknown
- 1965-12-30 BE BE674511D patent/BE674511A/xx unknown
- 1965-12-31 FR FR44487A patent/FR1501717A/en not_active Expired
- 1965-12-31 GB GB5541765A patent/GB1137909A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5027375B1 (en) * | 1971-01-19 | 1975-09-06 | ||
US4172732A (en) * | 1974-04-10 | 1979-10-30 | Fuji Photo Film Co., Ltd. | Photographic light-sensitive material |
Also Published As
Publication number | Publication date |
---|---|
CH453068A (en) | 1968-05-31 |
FR1501717A (en) | 1967-11-18 |
BE674511A (en) | 1966-06-30 |
DE1447594A1 (en) | 1969-02-06 |
NL6517159A (en) | 1966-05-25 |
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