RO87643B1 - Process for obtaining colour shapers for coloured negative photosensitive materials - Google Patents
Process for obtaining colour shapers for coloured negative photosensitive materialsInfo
- Publication number
- RO87643B1 RO87643B1 RO111562A RO11156283A RO87643B1 RO 87643 B1 RO87643 B1 RO 87643B1 RO 111562 A RO111562 A RO 111562A RO 11156283 A RO11156283 A RO 11156283A RO 87643 B1 RO87643 B1 RO 87643B1
- Authority
- RO
- Romania
- Prior art keywords
- photosensitive materials
- shapers
- negative photosensitive
- obtaining colour
- obtaining
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 239000000463 material Substances 0.000 title abstract 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 abstract 2
- 229940051880 analgesics and antipyretics pyrazolones Drugs 0.000 abstract 1
- 239000000987 azo dye Substances 0.000 abstract 1
- 239000003086 colorant Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- JEXVQSWXXUJEMA-UHFFFAOYSA-N pyrazol-3-one Chemical class O=C1C=CN=N1 JEXVQSWXXUJEMA-UHFFFAOYSA-N 0.000 abstract 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- -1 silver halides Chemical class 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Pyridine Compounds (AREA)
Abstract
Prezenta inventie se refera la un procedeu de obtinere a formatorilor de culoare magenta, coloranti I, II, III, IV pentru materiale fotosensibile color pe baza de halogenuri de argint. Procedeul se caracterizeaza prin faptul ca se realizeaza cuplarea pirazolonelor V, VI, VII, VIII cu sarurile de dizazoniu IX într-un amestec complex de acetona-alcool-apa-hidroxid de sodiu în prezenta sau absenta piridinei, separarea colorantului azoic facîndu-se prin precipitarea în apa cu acid mineral. Purificarea se face atunci cînd este cazul, dintr-un solvent adecvat.The present invention relates to a process for obtaining colorants of color I, II, III, IV for color-based photosensitive materials based on silver halides. The process is characterized by the coupling of the pyrazolones V, VI, VII, VIII with the salts of dizazonium IX in a complex mixture of acetone-alcohol-water-sodium hydroxide in the presence or absence of pyridine, separation of the azo dye made by precipitation in mineral water. The purification is carried out, when appropriate, from a suitable solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO83111562A RO87643A2 (en) | 1983-07-08 | 1983-07-08 | METHOD FOR OBTAINING COLOR FORMATORS FOR COLOR NEGATIVE PHOTOSENSITIVE MATERIALS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO83111562A RO87643A2 (en) | 1983-07-08 | 1983-07-08 | METHOD FOR OBTAINING COLOR FORMATORS FOR COLOR NEGATIVE PHOTOSENSITIVE MATERIALS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO87643B1 true RO87643B1 (en) | 1985-10-31 |
| RO87643A2 RO87643A2 (en) | 1985-11-30 |
Family
ID=20113376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO83111562A RO87643A2 (en) | 1983-07-08 | 1983-07-08 | METHOD FOR OBTAINING COLOR FORMATORS FOR COLOR NEGATIVE PHOTOSENSITIVE MATERIALS |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO87643A2 (en) |
-
1983
- 1983-07-08 RO RO83111562A patent/RO87643A2/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO87643A2 (en) | 1985-11-30 |
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