IT1016129B - Composti pirazolinici procedimento per ottenerli e loro impiego quali schiarenti ottici - Google Patents
Composti pirazolinici procedimento per ottenerli e loro impiego quali schiarenti otticiInfo
- Publication number
- IT1016129B IT1016129B IT51657/74A IT5165774A IT1016129B IT 1016129 B IT1016129 B IT 1016129B IT 51657/74 A IT51657/74 A IT 51657/74A IT 5165774 A IT5165774 A IT 5165774A IT 1016129 B IT1016129 B IT 1016129B
- Authority
- IT
- Italy
- Prior art keywords
- obtaining
- pyrazoline compounds
- compounds procedure
- lighteners
- optical
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/06—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2947873 | 1973-06-21 | ||
GB5325573 | 1973-11-16 | ||
GB695274 | 1974-02-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1016129B true IT1016129B (it) | 1977-05-30 |
Family
ID=27254922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51657/74A IT1016129B (it) | 1973-06-21 | 1974-06-21 | Composti pirazolinici procedimento per ottenerli e loro impiego quali schiarenti ottici |
Country Status (8)
Country | Link |
---|---|
US (1) | US4003889A (it) |
BR (1) | BR7405063D0 (it) |
DD (1) | DD112447A5 (it) |
DE (1) | DE2429168A1 (it) |
ES (1) | ES427445A1 (it) |
FR (1) | FR2234286B1 (it) |
IT (1) | IT1016129B (it) |
NL (1) | NL7408047A (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4085101A (en) * | 1973-07-18 | 1978-04-18 | Sandoz Ltd. | 1,3-Diaryl-2-pyrazoline derivatives |
US4082746A (en) * | 1974-08-09 | 1978-04-04 | Sandoz Ltd. | 1,3-diphenyl-4 or 5-sulphoalkyl pyrazolines |
HU202106B (en) * | 1987-06-17 | 1991-02-28 | Mitsui Toatsu Chemicals | Process for producing pharmaceutical compositions containing pyrazolin derivatives |
DK0396503T3 (da) * | 1989-05-02 | 1995-11-27 | Ciba Geigy Ag | Lagerstabile vandige formuleringer indeholdende optiske klaringsmidler |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL290832A (it) * | 1962-03-31 | |||
DE1469222B1 (de) * | 1964-09-25 | 1972-03-09 | Hoechst Ag | Pyrazolinderivate sowie ihre Herstellung und Verwendung |
FR6099M (it) | 1967-02-17 | 1968-06-10 | ||
US3522242A (en) * | 1967-07-14 | 1970-07-28 | Hoechst Ag | 1-(4'-(beta-acylamino-ethylsulfonyl)-phenyl)-3-aryl- delta2-pyrazolines |
DE1770773A1 (de) * | 1968-07-02 | 1971-12-09 | Henkel & Cie Gmbh | Optisches Aufhellungsmittel |
DE1904424C3 (de) * | 1969-01-30 | 1974-03-07 | Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt | Verfahren zum optischen Aufhellen von Fasermaterialien aus Polyacrylnitril |
NL7209767A (it) * | 1971-07-19 | 1973-01-23 | ||
BE788658R (fr) * | 1971-09-09 | 1973-03-12 | Hoechst Ag | Derives de 3-(3', 4'-dichloro-6'-alkylphenyl) -delta2-pyrazolines, leurpreparation et leur utilisation comme agents d'azurage |
US3849406A (en) * | 1971-10-08 | 1974-11-19 | Sandoz Ltd | Pyrazoline compounds |
-
1974
- 1974-06-17 US US05/480,128 patent/US4003889A/en not_active Expired - Lifetime
- 1974-06-17 NL NL7408047A patent/NL7408047A/xx unknown
- 1974-06-18 DE DE2429168A patent/DE2429168A1/de active Pending
- 1974-06-20 BR BR5063/74A patent/BR7405063D0/pt unknown
- 1974-06-20 DD DD179325A patent/DD112447A5/xx unknown
- 1974-06-20 ES ES427445A patent/ES427445A1/es not_active Expired
- 1974-06-21 IT IT51657/74A patent/IT1016129B/it active
- 1974-06-21 FR FR7421561A patent/FR2234286B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2234286B1 (it) | 1977-10-07 |
BR7405063D0 (pt) | 1975-01-21 |
US4003889A (en) | 1977-01-18 |
FR2234286A1 (it) | 1975-01-17 |
DE2429168A1 (de) | 1975-01-16 |
DD112447A5 (it) | 1975-04-12 |
NL7408047A (it) | 1974-12-24 |
ES427445A1 (es) | 1977-01-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1029545B (it) | Compost stilbenici procedimento per prepararli e loro impiego quali schiarenti ottici | |
RO68025A (ro) | Procedeu pentru obtinerea 3-metilmercaptopropionaldehidei | |
NL7605980A (nl) | Werkwijze ter bereiding van nieuwe roentgen- contrastmiddelen. | |
FI55865C (fi) | Foerfarande foer framstaellning av en oelartad alkoholdryck | |
IT1062629B (it) | Procedimento per la produzione di cantaxantina | |
IT1046310B (it) | Composti stilbenici procedimento per prepararli e loro impiego qualischiarenti ottici | |
IT1017451B (it) | Procedimento per produrre zeaxantina | |
IT1013055B (it) | Composti stilbenici procedimento per prepararli e loro impiego qua li schiarenti ottici | |
IT1068232B (it) | Procedimento per produrre timolo | |
IT1019330B (it) | Procedimento per produrre rutirraldeidi | |
IT1026083B (it) | Procedimento per la produzione di benzotrifluoruro | |
IT1046356B (it) | Composti fosforati anfionici e procedimento per la loro preparazione | |
IT1002796B (it) | Composti pirazolinici procedimento per ottenerli e loro impiego quali schiarenti ottici | |
IT1016129B (it) | Composti pirazolinici procedimento per ottenerli e loro impiego quali schiarenti ottici | |
IT1004055B (it) | Composti stilbenici procedimento per prepararli e loro impiego quali schiarenti ottici | |
IT1004033B (it) | Derivati bis benzossazolici proce dimento per ottenerli e loro impiego quali schiarenti ottici | |
IT1029578B (it) | Procedimento per la produzione pirazoli sostituite | |
IT990079B (it) | Composti azoici basici procedimen to per prepararli e loro impiego quali coloranti | |
IT1019972B (it) | Procedimento per la preparazione di tricloruro di monometil stagno | |
IT1002823B (it) | Composti azoici basici procedimento per prepararli e loro impiego quali coloranti | |
IT1016457B (it) | Composti pirazolinici procedimento per ottenerli e loro impiego quali schiarenti ottici | |
FR2318624A1 (fr) | Derives des naphtalenes | |
IT990078B (it) | Composti azoici basici procedimento per prepararli e loro impiego quali coloranti | |
IT1011448B (it) | Procedimento per produrre chetazine | |
NL7605537A (nl) | Werkwijze ter bereiding van nieuwe optisch actieve verbindingen. |