BE485879A - - Google Patents
Info
- Publication number
- BE485879A BE485879A BE485879DA BE485879A BE 485879 A BE485879 A BE 485879A BE 485879D A BE485879D A BE 485879DA BE 485879 A BE485879 A BE 485879A
- Authority
- BE
- Belgium
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
- C09B23/12—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain being branched "branched" means that the substituent on the polymethine chain forms a new conjugated system, e.g. most trinuclear cyanine dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US787619A US2521944A (en) | 1947-11-22 | 1947-11-22 | Polymethine dyes and process of preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE485879A true BE485879A (it) |
Family
ID=25142050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE485879D BE485879A (it) | 1947-11-22 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2521944A (it) |
| BE (1) | BE485879A (it) |
| FR (1) | FR980405A (it) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB353889A (en) * | 1930-01-21 | 1931-07-21 | Ici Ltd | Manufacture of dyestuffs from heterocyclic compounds |
-
0
- BE BE485879D patent/BE485879A/xx unknown
-
1947
- 1947-11-22 US US787619A patent/US2521944A/en not_active Expired - Lifetime
-
1948
- 1948-11-22 FR FR980405D patent/FR980405A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR980405A (fr) | 1951-05-11 |
| US2521944A (en) | 1950-09-12 |