BE762731A - Procede de preparation de flavanthrones - Google Patents
Procede de preparation de flavanthronesInfo
- Publication number
- BE762731A BE762731A BE762731A BE762731A BE762731A BE 762731 A BE762731 A BE 762731A BE 762731 A BE762731 A BE 762731A BE 762731 A BE762731 A BE 762731A BE 762731 A BE762731 A BE 762731A
- Authority
- BE
- Belgium
- Prior art keywords
- flavanthrones
- preparation process
- preparation
- flavanthrones preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
- C09B5/02—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic ring being only condensed in peri position
- C09B5/20—Flavanthrones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH198970A CH541604A (de) | 1970-02-11 | 1970-02-11 | Verfahren zur Herstellung von Flavanthronen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE762731A true BE762731A (fr) | 1971-08-10 |
Family
ID=4223305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE762731A BE762731A (fr) | 1970-02-11 | 1971-02-10 | Procede de preparation de flavanthrones |
Country Status (9)
Country | Link |
---|---|
US (1) | US3720678A (fr) |
BE (1) | BE762731A (fr) |
BR (1) | BR7100763D0 (fr) |
CA (1) | CA947284A (fr) |
CH (1) | CH541604A (fr) |
DE (1) | DE2105286A1 (fr) |
FR (1) | FR2074360A5 (fr) |
GB (1) | GB1278914A (fr) |
NL (1) | NL7101763A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2748860C2 (de) * | 1977-10-31 | 1979-10-31 | Basf Ag, 6700 Ludwigshafen | Verfahren zur direkten Überführung von rohem Flavanthron in eine lasierende Pigmentform |
EP0199670B1 (fr) * | 1985-04-01 | 1989-06-14 | Ciba-Geigy Ag | Procédé de préparation de composés imides d'anthraquinone |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191202949A (en) * | 1911-07-11 | 1912-08-22 | Fritz Ullmann | Manufacture of Vat Dyestuffs of the Anthracene Series. |
DE512821C (de) * | 1926-05-26 | 1930-11-20 | Scottish Dyes Ltd | Verfahren zur Herstellung von 1, 1-Dianthrachinonyl-2, 2-diurethan, seinen Derivaten und gegebenenfalls Kondensationsprodukten |
US1714249A (en) * | 1926-05-26 | 1929-05-21 | Scottish Dyes Ltd | Process of preparing flavanthrone |
CH159670A (de) * | 1930-12-11 | 1933-01-31 | Ig Farbenindustrie Ag | Verfahren zur Darstellung von Flavanthren. |
US2068312A (en) * | 1933-05-24 | 1937-01-19 | Du Pont | Halogen-amino-flavanthrones and process of producing the same |
US2685582A (en) * | 1946-08-23 | 1954-08-03 | Ici Ltd | Manufacture of dyestuffs |
US3660407A (en) * | 1969-06-02 | 1972-05-02 | Pfizer | Purification of flavanthrone yellow pigment |
-
1970
- 1970-02-11 CH CH198970A patent/CH541604A/de not_active IP Right Cessation
- 1970-12-28 FR FR7046881A patent/FR2074360A5/fr not_active Expired
-
1971
- 1971-01-15 CA CA102807A patent/CA947284A/en not_active Expired
- 1971-01-21 US US00108602A patent/US3720678A/en not_active Expired - Lifetime
- 1971-02-04 DE DE19712105286 patent/DE2105286A1/de active Pending
- 1971-02-10 NL NL7101763A patent/NL7101763A/xx unknown
- 1971-02-10 BE BE762731A patent/BE762731A/fr unknown
- 1971-03-01 BR BR763/71A patent/BR7100763D0/pt unknown
- 1971-04-19 GB GB20400/71A patent/GB1278914A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH541604A (de) | 1973-09-15 |
FR2074360A5 (fr) | 1971-10-01 |
US3720678A (en) | 1973-03-13 |
BR7100763D0 (pt) | 1973-05-03 |
DE2105286A1 (de) | 1971-08-19 |
NL7101763A (fr) | 1971-08-13 |
GB1278914A (en) | 1972-06-21 |
CA947284A (en) | 1974-05-14 |
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