BE789122A - Nouveaux composes styryliques utilises comme azurants optiques - Google Patents
Nouveaux composes styryliques utilises comme azurants optiquesInfo
- Publication number
- BE789122A BE789122A BE789122DA BE789122A BE 789122 A BE789122 A BE 789122A BE 789122D A BE789122D A BE 789122DA BE 789122 A BE789122 A BE 789122A
- Authority
- BE
- Belgium
- Prior art keywords
- styrylic
- new
- compounds used
- optical brighteners
- brighteners
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1399371A CH558405A (de) | 1971-09-24 | 1971-09-24 | Verwendung neuer styryl-verbindungen als optische aufhellmittel fuer synthetische organische materialien ausserhalb der textilindustrie. |
| CH293774A CH569825B5 (enrdf_load_stackoverflow) | 1971-09-24 | 1971-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE789122A true BE789122A (fr) | 1973-03-22 |
Family
ID=25691765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE789122D BE789122A (fr) | 1971-09-24 | Nouveaux composes styryliques utilises comme azurants optiques |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE789122A (enrdf_load_stackoverflow) |
| CA (1) | CA986930A (enrdf_load_stackoverflow) |
| CH (3) | CH558405A (enrdf_load_stackoverflow) |
| DE (1) | DE2245332A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2158819A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1363547A (enrdf_load_stackoverflow) |
-
0
- BE BE789122D patent/BE789122A/xx unknown
-
1971
- 1971-09-24 CH CH1399371A patent/CH558405A/xx not_active IP Right Cessation
- 1971-09-24 CH CH293774D patent/CH293774A4/xx unknown
- 1971-09-24 CH CH293774A patent/CH569825B5/xx not_active IP Right Cessation
-
1972
- 1972-09-15 DE DE19722245332 patent/DE2245332A1/de not_active Withdrawn
- 1972-09-19 CA CA152,036A patent/CA986930A/en not_active Expired
- 1972-09-20 GB GB4358672A patent/GB1363547A/en not_active Expired
- 1972-09-20 FR FR7233258A patent/FR2158819A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH569825B5 (enrdf_load_stackoverflow) | 1975-11-28 |
| CA986930A (en) | 1976-04-06 |
| CH293774A4 (enrdf_load_stackoverflow) | 1975-05-15 |
| CH558405A (de) | 1975-01-31 |
| DE2245332A1 (de) | 1973-03-29 |
| FR2158819A5 (enrdf_load_stackoverflow) | 1973-06-15 |
| GB1363547A (en) | 1974-08-14 |
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