NL6905892A - - Google Patents
Info
- Publication number
- NL6905892A NL6905892A NL6905892A NL6905892A NL6905892A NL 6905892 A NL6905892 A NL 6905892A NL 6905892 A NL6905892 A NL 6905892A NL 6905892 A NL6905892 A NL 6905892A NL 6905892 A NL6905892 A NL 6905892A
- Authority
- NL
- Netherlands
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/06—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
- C07D213/22—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom containing two or more pyridine rings directly linked together, e.g. bipyridyl
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- 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
- G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
- G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pyridine Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73557668A | 1968-06-10 | 1968-06-10 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL6905892A true NL6905892A (en) | 1969-12-12 |
NL162639B NL162639B (en) | 1980-01-15 |
NL162639C NL162639C (en) | 1980-06-16 |
Family
ID=24956359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6905892A NL162639C (en) | 1968-06-10 | 1969-04-16 | PROCESS FOR PREPARING A 1,1'-DIGIN-SUBSTITUTED 4,4'-BIPYRIDYLIUM SALT |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE729536A (en) |
CA (1) | CA939673A (en) |
DE (1) | DE1921957C3 (en) |
FR (1) | FR2010531A1 (en) |
GB (1) | GB1261935A (en) |
IT (1) | IT959326B (en) |
NL (1) | NL162639C (en) |
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1969
- 1969-03-07 BE BE729536D patent/BE729536A/xx not_active IP Right Cessation
- 1969-03-17 IT IT3578269A patent/IT959326B/en active
- 1969-03-25 GB GB1543269D patent/GB1261935A/en not_active Expired
- 1969-04-01 CA CA47538A patent/CA939673A/en not_active Expired
- 1969-04-16 NL NL6905892A patent/NL162639C/en not_active IP Right Cessation
- 1969-04-17 FR FR6911981A patent/FR2010531A1/fr active Pending
- 1969-04-30 DE DE19691921957 patent/DE1921957C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1921957C3 (en) | 1974-08-22 |
GB1261935A (en) | 1972-01-26 |
DE1921957A1 (en) | 1969-12-11 |
DE1921957B2 (en) | 1974-01-24 |
NL162639B (en) | 1980-01-15 |
CA939673A (en) | 1974-01-08 |
FR2010531A1 (en) | 1970-02-20 |
IT959326B (en) | 1973-11-10 |
NL162639C (en) | 1980-06-16 |
BE729536A (en) | 1969-08-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
V4 | Lapsed because of reaching the maxim lifetime of a patent |