CH520751A - Verfahren zur Herstellung von Monoazofarbstoffen - Google Patents
Verfahren zur Herstellung von MonoazofarbstoffenInfo
- Publication number
- CH520751A CH520751A CH1569368A CH1569368A CH520751A CH 520751 A CH520751 A CH 520751A CH 1569368 A CH1569368 A CH 1569368A CH 1569368 A CH1569368 A CH 1569368A CH 520751 A CH520751 A CH 520751A
- Authority
- CH
- Switzerland
- Prior art keywords
- preparation
- monoazo dyes
- monoazo
- dyes
- Prior art date
Links
- 239000000975 dye Substances 0.000 title 1
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 title 1
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
- C09B63/00—Lakes
- C09B63/005—Metal lakes of dyes
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/40—Colouring or decolouring of foods
- A23L5/42—Addition of dyes or pigments, e.g. in combination with optical brighteners
- A23L5/47—Addition of dyes or pigments, e.g. in combination with optical brighteners using synthetic organic dyes or pigments not covered by groups A23L5/43 - A23L5/46
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Medicinal Preparation (AREA)
- Jellies, Jams, And Syrups (AREA)
- Confectionery (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67674167A | 1967-10-20 | 1967-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH520751A true CH520751A (de) | 1972-03-31 |
Family
ID=24715780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1569368A CH520751A (de) | 1967-10-20 | 1968-10-21 | Verfahren zur Herstellung von Monoazofarbstoffen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3578652A (de) |
| CH (1) | CH520751A (de) |
| DE (1) | DE1803346A1 (de) |
| FR (1) | FR1587544A (de) |
| GB (1) | GB1224513A (de) |
| NL (1) | NL6814942A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4014866A (en) * | 1971-10-20 | 1977-03-29 | Basf Aktiengesellschaft | Barium laked phenylazonaphthalene dye containing sulfonic acid groups |
| US4675389A (en) * | 1984-06-05 | 1987-06-23 | The Hilton-Davis Chemical Co. | (2-alkoxy-4-sulfonyl-5-alkylphenyl)azo-1-hydroxynaphthalene sulfonic acids |
| US4707373A (en) * | 1984-06-05 | 1987-11-17 | Hilton Davis Co. | Edible compositions colored with (2-alkoxy-4-sulfonyl-5-alkyphenyl)azo-1-hydroxynaphthalene sulfonic acids |
-
1967
- 1967-10-20 US US676741A patent/US3578652A/en not_active Expired - Lifetime
-
1968
- 1968-10-16 DE DE19681803346 patent/DE1803346A1/de active Pending
- 1968-10-16 GB GB49171/68A patent/GB1224513A/en not_active Expired
- 1968-10-18 FR FR1587544D patent/FR1587544A/fr not_active Expired
- 1968-10-18 NL NL6814942A patent/NL6814942A/xx unknown
- 1968-10-21 CH CH1569368A patent/CH520751A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1224513A (en) | 1971-03-10 |
| FR1587544A (de) | 1970-03-20 |
| DE1803346A1 (de) | 1969-05-08 |
| US3578652A (en) | 1971-05-11 |
| NL6814942A (de) | 1969-04-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |