CH232375A - Process for the preparation of a polymethine dye. - Google Patents
Process for the preparation of a polymethine dye.Info
- Publication number
- CH232375A CH232375A CH232375DA CH232375A CH 232375 A CH232375 A CH 232375A CH 232375D A CH232375D A CH 232375DA CH 232375 A CH232375 A CH 232375A
- Authority
- CH
- Switzerland
- Prior art keywords
- preparation
- polymethine dye
- polymethine
- dye
- Prior art date
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
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
- C09B23/14—Styryl dyes
- C09B23/145—Styryl dyes the ethylene chain carrying an heterocyclic residue, e.g. heterocycle-CH=CH-C6H5
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE232375X | 1940-10-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH232375A true CH232375A (en) | 1944-05-31 |
Family
ID=5880575
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH236941D CH236941A (en) | 1940-10-21 | 1941-12-02 | Process for the preparation of a polymethine dye. |
CH232375D CH232375A (en) | 1940-10-21 | 1941-12-02 | Process for the preparation of a polymethine dye. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH236941D CH236941A (en) | 1940-10-21 | 1941-12-02 | Process for the preparation of a polymethine dye. |
Country Status (2)
Country | Link |
---|---|
CH (2) | CH236941A (en) |
FR (1) | FR886294A (en) |
-
1941
- 1941-12-02 CH CH236941D patent/CH236941A/en unknown
- 1941-12-02 CH CH232375D patent/CH232375A/en unknown
-
1942
- 1942-09-30 FR FR886294D patent/FR886294A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH236941A (en) | 1945-03-15 |
FR886294A (en) | 1943-10-11 |
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