FR838224A - New dyes - Google Patents
New dyesInfo
- Publication number
- FR838224A FR838224A FR838224DA FR838224A FR 838224 A FR838224 A FR 838224A FR 838224D A FR838224D A FR 838224DA FR 838224 A FR838224 A FR 838224A
- Authority
- FR
- France
- Prior art keywords
- new dyes
- dyes
- new
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- C09B43/00—Preparation of azo dyes from other azo compounds
- C09B43/08—Preparation of azo dyes from other azo compounds by reduction
- C09B43/10—Preparation of azo dyes from other azo compounds by reduction with formation of a new azo or an azoxy bridge
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH838224X | 1937-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR838224A true FR838224A (en) | 1939-03-01 |
Family
ID=4540929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR838224D Expired FR838224A (en) | 1937-05-22 | 1938-05-21 | New dyes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR838224A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE762445C (en) * | 1942-06-11 | 1952-11-17 | Ig Farbenindustrie Ag | Process for the preparation of disazo dyes |
-
1938
- 1938-05-21 FR FR838224D patent/FR838224A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE762445C (en) * | 1942-06-11 | 1952-11-17 | Ig Farbenindustrie Ag | Process for the preparation of disazo dyes |
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