BE649903A - - Google Patents
Info
- Publication number
- BE649903A BE649903A BE649903DA BE649903A BE 649903 A BE649903 A BE 649903A BE 649903D A BE649903D A BE 649903DA BE 649903 A BE649903 A BE 649903A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US292550A US3294539A (en) | 1963-07-03 | 1963-07-03 | Light-filtering dyes for photographic elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE649903A true BE649903A (en:Method) |
Family
ID=23125146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE649903D BE649903A (en:Method) | 1963-07-03 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3294539A (en:Method) |
| BE (1) | BE649903A (en:Method) |
| GB (1) | GB1069243A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4073882A (en) * | 1973-04-19 | 1978-02-14 | Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek Ten Behoeve Van Nijverheld Handel en Verkeer | 5-Methyl-3-N-butyl-octahydroindolizine as an attractant for ants |
| FR2539417A1 (fr) * | 1983-01-13 | 1984-07-20 | Rhone Poulenc Sante | Nouveaux pyrrolo-1, 2 heterocycles, leur preparation et les medicaments qui les contiennent |
| US5314796A (en) * | 1992-04-02 | 1994-05-24 | Konica Corporation | Silver halide color photographic light sensitive material |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3078272A (en) * | 1963-02-19 | N-aza-bicyclo-alkylene-imino | ||
| US2192840A (en) * | 1937-08-06 | 1940-03-05 | Prelog Vlado | Method of preparing quinuclidine and derivatives thereof |
| US2409612A (en) * | 1939-02-17 | 1946-10-22 | Eastman Kodak Co | Pyrrole dyes |
| US2268798A (en) * | 1939-02-17 | 1942-01-06 | Eastman Kodak Co | Pyrrole methine and tri-methine cyanine backing dyes |
| BE466374A (en:Method) * | 1939-02-17 | |||
| US2437465A (en) * | 1942-07-13 | 1948-03-09 | Ici Ltd | Manufacture of new coloring matters |
| US2434039A (en) * | 1942-07-13 | 1948-01-06 | Ici Ltd | Manufacture of new pyrrole colouring matters |
| US2405106A (en) * | 1944-10-27 | 1946-07-30 | Eastman Kodak Co | Photographic filter and antihalation layers |
| US2571775A (en) * | 1948-04-03 | 1951-10-16 | Eastman Kodak Co | Pyrro-colinocarbocyanine dyes and process for the preparation thereof |
-
0
- BE BE649903D patent/BE649903A/xx unknown
-
1963
- 1963-07-03 US US292550A patent/US3294539A/en not_active Expired - Lifetime
-
1964
- 1964-06-25 GB GB26270/64A patent/GB1069243A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3294539A (en) | 1966-12-27 |
| GB1069243A (en) | 1967-05-17 |