IT491804A - - Google Patents
Info
- Publication number
- IT491804A IT491804A IT491804DA IT491804A IT 491804 A IT491804 A IT 491804A IT 491804D A IT491804D A IT 491804DA IT 491804 A IT491804 A IT 491804A
- Authority
- IT
- Italy
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
- C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
- C09B43/136—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
- C09B43/14—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents with phosgene or thiophosgene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US170950A US2666757A (en) | 1950-06-28 | 1950-06-28 | Azo dyes for cellulosic fibers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT491804A true IT491804A (en) |
Family
ID=22621942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT491804D IT491804A (en) | 1950-06-28 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2666757A (en) |
| CA (1) | CA528484A (en) |
| IT (1) | IT491804A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2936305A (en) * | 1956-11-29 | 1960-05-10 | Sandoz Ag | Water-insoluble disazo dyestuffs |
| CH478952A (en) * | 1967-10-25 | 1969-11-14 | Sandoz Ag | Process for dyeing or printing synthetic polyamide fibers |
| US3621008A (en) * | 1968-10-03 | 1971-11-16 | Du Pont | Direct disazo and tetraazo urea dyes and method of preparation |
| CH565896A5 (en) * | 1971-02-05 | 1975-08-29 | Sandoz Ag |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US935018A (en) * | 1909-05-04 | 1909-09-28 | Farbenfab Vorm Bayer F & Co | Azo dye. |
| CH49515A (en) * | 1909-05-07 | 1911-03-01 | Farbenfab Vorm Bayer F & Co | Process for the preparation of an orange cotton dye |
| GB191021202A (en) * | 1910-09-12 | 1911-07-20 | Philip Arthur Newton | Manufacture and Production of New Azodyestuffs. |
| US999944A (en) * | 1911-04-25 | 1911-08-08 | Farbenfab Vorm Bayer F & Co | Yellow disazo dye. |
| US1538934A (en) * | 1924-04-28 | 1925-05-26 | Nat Aniline & Chem Co Inc | Disazo dyes containing a diphenylurea nucleus |
-
0
- CA CA528484A patent/CA528484A/en not_active Expired
- IT IT491804D patent/IT491804A/it unknown
-
1950
- 1950-06-28 US US170950A patent/US2666757A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2666757A (en) | 1954-01-19 |
| CA528484A (en) | 1956-07-31 |