DE241472C - - Google Patents
Info
- Publication number
- DE241472C DE241472C DENDAT241472D DE241472DA DE241472C DE 241472 C DE241472 C DE 241472C DE NDAT241472 D DENDAT241472 D DE NDAT241472D DE 241472D A DE241472D A DE 241472DA DE 241472 C DE241472 C DE 241472C
- Authority
- DE
- Germany
- Prior art keywords
- aldehyde
- parts
- copper
- nitrobenzene
- naphthalene
- 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.)
- Active
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
- C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
- C09B3/40—Pyranthrones
- C09B3/44—Preparation from starting materials already containing the pyranthrone nucleus
- C09B3/46—Preparation from starting materials already containing the pyranthrone nucleus by halogenation
-
- 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
- C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
- C09B3/40—Pyranthrones
- C09B3/42—Preparation by synthesis of the nucleus
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR357239T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE241472C true DE241472C (OSRAM) |
Family
ID=8893557
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT241472D Active DE241472C (OSRAM) | |||
| DENDAT240834D Active DE240834C (OSRAM) |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT240834D Active DE240834C (OSRAM) |
Country Status (2)
| Country | Link |
|---|---|
| DE (2) | DE240834C (OSRAM) |
| FR (5) | FR6269E (OSRAM) |
-
0
- DE DENDAT241472D patent/DE241472C/de active Active
- FR FR14101A patent/FR14101E/fr not_active Expired
- FR FR357239D patent/FR357239A/fr active Active
- DE DENDAT240834D patent/DE240834C/de active Active
-
1906
- 1906-05-07 FR FR6269D patent/FR6269E/fr not_active Expired
-
1908
- 1908-05-11 FR FR9312D patent/FR9312E/fr not_active Expired
-
1909
- 1909-11-18 FR FR11783D patent/FR11783E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE240834C (OSRAM) | |
| FR6269E (fr) | 1906-10-10 |
| FR14101E (fr) | 1911-09-23 |
| FR357239A (OSRAM) | |
| FR11783E (fr) | 1910-05-04 |
| FR9312E (fr) | 1908-10-08 |
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