GB1259186A - - Google Patents
Info
- Publication number
- GB1259186A GB1259186A GB1259186DA GB1259186A GB 1259186 A GB1259186 A GB 1259186A GB 1259186D A GB1259186D A GB 1259186DA GB 1259186 A GB1259186 A GB 1259186A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aminoguanidine
- dialdehyde
- groups
- starch
- dialdehyde starch
- 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
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/30—Hardeners
- G03C1/303—Di- or polysaccharides
-
- 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
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/775—Photosensitive materials characterised by the base or auxiliary layers the base being of paper
- G03C1/79—Macromolecular coatings or impregnations therefor, e.g. varnishes
-
- 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
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/815—Photosensitive materials characterised by the base or auxiliary layers characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching
- G03C1/8155—Organic compounds therefor
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
1,259,186. Aminoguanidine dialdehyde starch. MITSUBISHI PAPER MILLS Ltd. 28 March, 1969 [30 March, 1968], No. 16475/69. Heading C3U. [Also in Divisions C4 and G2] Aminoguanidine dialdehyde starch is prepared by adding acid and aminoguanidine bicarbonate to a dispersion of dialdehyde starch containing from 10-75% dialdehyde groups and allowing the mixture to react until the desired number of aminoguanidine groups have been formed. 7- 50% conversion of the dialdehyde groups are obtained in the preparations. This starch derivative may be further reacted with an anionic fluorescent dye such as a bistriazinyl compound or a ureidocoumarin to produce a less powerful fluorescent dye. The aminoguanidine dialdehyde starch may be used as a mordant and as a hardener for gelatine.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2041268 | 1968-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1259186A true GB1259186A (en) | 1972-01-05 |
Family
ID=12026309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1259186D Expired GB1259186A (en) | 1968-03-30 | 1969-03-28 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3580720A (en) |
| CH (1) | CH524833A (en) |
| DE (1) | DE1915998A1 (en) |
| GB (1) | GB1259186A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4842723A (en) * | 1971-09-28 | 1973-06-21 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1561331A (en) * | 1975-10-20 | 1980-02-20 | Leiner & Sons Ltd P | Gelatin composition |
| JP3163697B2 (en) * | 1991-12-19 | 2001-05-08 | 三菱化学ポリエステルフィルム株式会社 | Radiation intensifying screen |
| US5395748A (en) * | 1993-12-08 | 1995-03-07 | Eastman Kodak Company | Ballasted optical brighteners |
-
1969
- 1969-03-26 US US810795A patent/US3580720A/en not_active Expired - Lifetime
- 1969-03-27 CH CH464269A patent/CH524833A/en not_active IP Right Cessation
- 1969-03-28 DE DE19691915998 patent/DE1915998A1/en active Pending
- 1969-03-28 GB GB1259186D patent/GB1259186A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4842723A (en) * | 1971-09-28 | 1973-06-21 | ||
| JPS5232254B2 (en) * | 1971-09-28 | 1977-08-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1915998A1 (en) | 1969-10-23 |
| US3580720A (en) | 1971-05-25 |
| CH524833A (en) | 1972-06-30 |
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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 |