CH591421A5 - - Google Patents
Info
- Publication number
- CH591421A5 CH591421A5 CH688374A CH688374A CH591421A5 CH 591421 A5 CH591421 A5 CH 591421A5 CH 688374 A CH688374 A CH 688374A CH 688374 A CH688374 A CH 688374A CH 591421 A5 CH591421 A5 CH 591421A5
- Authority
- CH
- Switzerland
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
- C09B1/16—Amino-anthraquinones
- C09B1/20—Preparation from starting materials already containing the anthracene nucleus
- C09B1/22—Dyes with unsubstituted amino groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH688374A CH591421A5 (it) | 1974-05-20 | 1974-05-20 | |
US05/575,565 US4021456A (en) | 1974-05-20 | 1975-05-08 | Process for the manufacture of aminoanthraquinones |
JP50058776A JPS5926613B2 (ja) | 1974-05-20 | 1975-05-19 | アミノアントラキノンの製法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH688374A CH591421A5 (it) | 1974-05-20 | 1974-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH591421A5 true CH591421A5 (it) | 1977-09-15 |
Family
ID=4316564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH688374A CH591421A5 (it) | 1974-05-20 | 1974-05-20 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4021456A (it) |
JP (1) | JPS5926613B2 (it) |
CH (1) | CH591421A5 (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4163747A (en) * | 1976-07-01 | 1979-08-07 | Bayer Aktiengesellschaft | Process for the preparation of 1-alkylamino-anthraquinones |
DE2740889A1 (de) * | 1977-09-10 | 1979-03-22 | Bayer Ag | Verfahren zur herstellung von 1-amino-4-bromanthrachinon-2-sulfonsaeure |
JPS6212318U (it) * | 1985-07-04 | 1987-01-26 | ||
US5213665A (en) * | 1988-02-29 | 1993-05-25 | Nippon Shokubai Kagaku Kogyo, Co., Ltd. | Process for producing 1-aminoanthraquinones |
JPH0645908B2 (ja) * | 1988-02-29 | 1994-06-15 | 株式会社日本触媒 | 1―アミノアントラキノン類の製造法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2273966A (en) * | 1939-10-26 | 1942-02-24 | Du Pont | Process for preparing 1-amino-5-nitro-anthraquinone |
US2738354A (en) * | 1951-01-24 | 1956-03-13 | Ciba Ltd | Process of making amino-anthraquinones |
US3417090A (en) * | 1965-09-15 | 1968-12-17 | Bayer Ag | Reduction of nitro compounds to amines |
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1974
- 1974-05-20 CH CH688374A patent/CH591421A5/xx not_active IP Right Cessation
-
1975
- 1975-05-08 US US05/575,565 patent/US4021456A/en not_active Expired - Lifetime
- 1975-05-19 JP JP50058776A patent/JPS5926613B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5926613B2 (ja) | 1984-06-29 |
JPS50161527A (it) | 1975-12-27 |
US4021456A (en) | 1977-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |