IT1042851B - Procedimento per la preparazione di di.idrossi.antrachinoni - Google Patents
Procedimento per la preparazione di di.idrossi.antrachinoniInfo
- Publication number
- IT1042851B IT1042851B IT27461/75A IT2746175A IT1042851B IT 1042851 B IT1042851 B IT 1042851B IT 27461/75 A IT27461/75 A IT 27461/75A IT 2746175 A IT2746175 A IT 2746175A IT 1042851 B IT1042851 B IT 1042851B
- Authority
- IT
- Italy
- Prior art keywords
- idrossi
- antrachinoni
- procedure
- 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
- C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
- C09B1/02—Hydroxy-anthraquinones; Ethers or esters thereof
- C09B1/06—Preparation from starting materials already containing the anthracene nucleus
- C09B1/08—Dyes containing only OH-groups
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 |
---|---|---|---|
DE2445221A DE2445221C3 (de) | 1974-09-21 | 1974-09-21 | Verfahren zur Herstellung von Dihydroxyanthrachinonen |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1042851B true IT1042851B (it) | 1980-01-30 |
Family
ID=5926428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT27461/75A IT1042851B (it) | 1974-09-21 | 1975-09-19 | Procedimento per la preparazione di di.idrossi.antrachinoni |
Country Status (10)
Country | Link |
---|---|
US (1) | US4002654A (it) |
JP (1) | JPS5159849A (it) |
BE (1) | BE833616A (it) |
BR (1) | BR7506042A (it) |
CH (1) | CH601161A5 (it) |
DE (1) | DE2445221C3 (it) |
ES (1) | ES441111A1 (it) |
FR (1) | FR2285369A1 (it) |
GB (1) | GB1475215A (it) |
IT (1) | IT1042851B (it) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR336938A (fr) * | 1903-11-25 | 1904-03-21 | Societe En Commandite R. Wedekind & C° | Procédé pour la fabrication des o-oxyanthraquinones et des acides o-oxyanthraquinoneoxysulfoniques |
US755801A (en) * | 1903-12-10 | 1904-03-29 | Farbenfabriken Elberfeld Co | Process of making alpha-oxyanthraquinone. |
US765201A (en) * | 1903-12-10 | 1904-07-19 | Farbenfabriken Elberfeld Co | Process of making anthrarufin. |
US765637A (en) * | 1903-12-10 | 1904-07-19 | Farbenfabriken Elberfeld Co | Process of making chrysazin. |
GB190425541A (en) * | 1904-11-24 | 1905-09-28 | William Ambler Marshall | Improvements in and relating to Automatic Fire Extinguishing Appliances. |
BE333360A (it) * | 1925-04-17 | |||
DE2254199C3 (de) * | 1972-11-06 | 1981-08-27 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Nitrohydroxy-anthrachinonen |
-
1974
- 1974-09-21 DE DE2445221A patent/DE2445221C3/de not_active Expired
-
1975
- 1975-06-19 CH CH1216075A patent/CH601161A5/xx not_active IP Right Cessation
- 1975-09-19 FR FR7528803A patent/FR2285369A1/fr active Granted
- 1975-09-19 GB GB3852975A patent/GB1475215A/en not_active Expired
- 1975-09-19 BE BE160201A patent/BE833616A/xx unknown
- 1975-09-19 IT IT27461/75A patent/IT1042851B/it active
- 1975-09-19 JP JP50112748A patent/JPS5159849A/ja active Pending
- 1975-09-19 ES ES441111A patent/ES441111A1/es not_active Expired
- 1975-09-19 US US05/615,101 patent/US4002654A/en not_active Expired - Lifetime
- 1975-09-19 BR BR7506042*A patent/BR7506042A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
US4002654A (en) | 1977-01-11 |
ES441111A1 (es) | 1977-03-16 |
DE2445221A1 (de) | 1976-04-08 |
JPS5159849A (en) | 1976-05-25 |
BR7506042A (pt) | 1976-08-03 |
GB1475215A (en) | 1977-06-01 |
DE2445221C3 (de) | 1979-04-05 |
CH601161A5 (it) | 1978-06-30 |
FR2285369A1 (fr) | 1976-04-16 |
BE833616A (fr) | 1976-03-19 |
FR2285369B1 (it) | 1979-06-22 |
DE2445221B2 (de) | 1978-08-10 |
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