NL6903889A - - Google Patents
Info
- Publication number
- NL6903889A NL6903889A NL6903889A NL6903889A NL6903889A NL 6903889 A NL6903889 A NL 6903889A NL 6903889 A NL6903889 A NL 6903889A NL 6903889 A NL6903889 A NL 6903889A NL 6903889 A NL6903889 A NL 6903889A
- Authority
- NL
- Netherlands
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
- C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
- C09B33/18—Trisazo or higher polyazo dyes
- C09B33/28—Tetrazo dyes of the type A->B->K<-C<-D
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1769175A DE1769175C3 (de) | 1968-04-17 | 1968-04-17 | Wasserlösliche Polyazofarbstoffe, Verfahren zu ihrer Herstellung und deren Verwendung |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL6903889A true NL6903889A (https=) | 1969-10-21 |
| NL161799B NL161799B (nl) | 1979-10-15 |
| NL161799C NL161799C (nl) | 1980-03-17 |
Family
ID=5700031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6903889.A NL161799C (nl) | 1968-04-17 | 1969-03-13 | Werkwijze voor het bereiden van in water oplosbare polyazokleurstoffen, werkwijze voor het verven van leder en pelsvelours; alsmede aldus verkregen geverfde voorwerpen. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3634390A (https=) |
| AT (1) | AT283539B (https=) |
| BE (1) | BE731656A (https=) |
| CH (1) | CH506594A (https=) |
| DE (1) | DE1769175C3 (https=) |
| FR (1) | FR2006380B1 (https=) |
| GB (1) | GB1238780A (https=) |
| NL (1) | NL161799C (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2268846B1 (https=) * | 1974-04-25 | 1976-10-15 | Ugine Kuhlmann | |
| US4169831A (en) * | 1974-04-25 | 1979-10-02 | Produits Chimiques Ugine Kuhlmann | Water-soluble tetrakisazo dyestuffs derived from 4,4'-diaminoazobenzene |
| DE3133552A1 (de) * | 1981-08-25 | 1983-03-17 | Hoechst Ag, 6000 Frankfurt | Neue wasserloesliche trisazofarbstoffe, verfahren zu ihrer herstellung und ihre verwendung zum faerben von leder und pelz |
-
1968
- 1968-04-17 DE DE1769175A patent/DE1769175C3/de not_active Expired
-
1969
- 1969-03-13 NL NL6903889.A patent/NL161799C/xx not_active IP Right Cessation
- 1969-04-08 US US814440A patent/US3634390A/en not_active Expired - Lifetime
- 1969-04-15 AT AT362069A patent/AT283539B/de not_active IP Right Cessation
- 1969-04-15 CH CH567569A patent/CH506594A/de not_active IP Right Cessation
- 1969-04-16 GB GB1238780D patent/GB1238780A/en not_active Expired
- 1969-04-17 FR FR6911964A patent/FR2006380B1/fr not_active Expired
- 1969-04-17 BE BE731656D patent/BE731656A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE731656A (https=) | 1969-10-17 |
| DE1769175C3 (de) | 1974-08-22 |
| AT283539B (de) | 1970-08-10 |
| DE1769175A1 (de) | 1971-10-21 |
| NL161799C (nl) | 1980-03-17 |
| NL161799B (nl) | 1979-10-15 |
| CH506594A (de) | 1971-04-30 |
| FR2006380B1 (https=) | 1973-11-16 |
| DE1769175B2 (de) | 1974-01-24 |
| GB1238780A (https=) | 1971-07-07 |
| FR2006380A1 (https=) | 1969-12-26 |
| US3634390A (en) | 1972-01-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NL80 | Information provided on patent owner name for an already discontinued patent |
Owner name: HOECHST |
|
| V4 | Discontinued because of reaching the maximum lifetime of a patent |