NL293721A - - Google Patents
Info
- Publication number
- NL293721A NL293721A NL293721DA NL293721A NL 293721 A NL293721 A NL 293721A NL 293721D A NL293721D A NL 293721DA NL 293721 A NL293721 A NL 293721A
- Authority
- NL
- Netherlands
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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/30—Developers
- G03C5/3028—Heterocyclic compounds
- G03C5/3035—Heterocyclic compounds containing a diazole ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/54—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings condensed with carbocyclic rings or ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/54—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings condensed with carbocyclic rings or ring systems
- C07D231/56—Benzopyrazoles; Hydrogenated benzopyrazoles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Developing Agents For Electrophotography (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB22157/62A GB987597A (en) | 1962-06-07 | 1962-06-07 | New pyrazolidinone developing agents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL293721A true NL293721A (https=) |
Family
ID=10174860
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL293721D NL293721A (https=) | 1962-06-07 | ||
| NL125600D NL125600C (https=) | 1962-06-07 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL125600D NL125600C (https=) | 1962-06-07 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3284200A (https=) |
| BE (1) | BE633195A (https=) |
| DE (1) | DE1445938A1 (https=) |
| ES (1) | ES288573A1 (https=) |
| GB (1) | GB987597A (https=) |
| NL (2) | NL125600C (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4169952A (en) * | 1977-03-14 | 1979-10-02 | E. I. Du Pont De Nemours And Company | Process for the preparation of cyclohexanone-2-carboxamide |
| US4139710A (en) * | 1977-03-11 | 1979-02-13 | E. I. Du Pont De Nemours And Company | Preparation of hexahydroindazolones |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL150078B (nl) * | 1948-11-23 | Parsons Co Ralph M | Werkwijze voor het winnen van zwavel uit afvoergas. | |
| BE499957A (https=) * | 1949-12-13 | |||
| US2743279A (en) * | 1953-08-03 | 1956-04-24 | Eastman Kodak Co | Process of preparing 3-pyrazolidones |
| BE530884A (https=) * | 1953-08-03 | |||
| NL199904A (https=) * | 1954-08-24 | |||
| US3038801A (en) * | 1960-02-18 | 1962-06-12 | Philip A Hunt Company | Photographic pyrazolidone developers in non-aqueous organic solvents |
-
0
- NL NL293721D patent/NL293721A/xx unknown
- BE BE633195D patent/BE633195A/xx unknown
- NL NL125600D patent/NL125600C/xx active
-
1962
- 1962-06-07 GB GB22157/62A patent/GB987597A/en not_active Expired
-
1963
- 1963-05-20 US US281802A patent/US3284200A/en not_active Expired - Lifetime
- 1963-05-30 ES ES288573A patent/ES288573A1/es not_active Expired
- 1963-06-06 DE DE19631445938 patent/DE1445938A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1445938A1 (de) | 1969-02-13 |
| GB987597A (en) | 1965-03-31 |
| ES288573A1 (es) | 1963-11-16 |
| US3284200A (en) | 1966-11-08 |
| BE633195A (https=) | |
| NL125600C (https=) |