GB403974A - Sensitization of photographic silver halide emulsions and manufacture of a sensitising dye therefor - Google Patents
Sensitization of photographic silver halide emulsions and manufacture of a sensitising dye thereforInfo
- Publication number
- GB403974A GB403974A GB21141/33A GB2114133A GB403974A GB 403974 A GB403974 A GB 403974A GB 21141/33 A GB21141/33 A GB 21141/33A GB 2114133 A GB2114133 A GB 2114133A GB 403974 A GB403974 A GB 403974A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver halide
- halide emulsions
- sensitization
- manufacture
- photographic silver
- 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.)
- Expired
Links
- 239000000839 emulsion Substances 0.000 title abstract 5
- 229910052709 silver Inorganic materials 0.000 title abstract 3
- 239000004332 silver Substances 0.000 title abstract 3
- -1 silver halide Chemical class 0.000 title abstract 3
- 230000001235 sensitizing effect Effects 0.000 title abstract 2
- 206010070834 Sensitisation Diseases 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 230000008313 sensitization Effects 0.000 title 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 abstract 2
- 239000000975 dye Substances 0.000 abstract 2
- VYFYELQQECQPHU-UHFFFAOYSA-N 2-methyl-1,3-benzoselenazole Chemical compound C1=CC=C2[se]C(C)=NC2=C1 VYFYELQQECQPHU-UHFFFAOYSA-N 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 150000003856 quaternary ammonium compounds Chemical class 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
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
- C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
- C09B23/06—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups three >CH- groups, e.g. carbocyanines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrogenated Pyridines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE403974X | 1931-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB403974A true GB403974A (en) | 1933-12-27 |
Family
ID=6420186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21141/33A Expired GB403974A (en) | 1931-06-27 | 1932-06-27 | Sensitization of photographic silver halide emulsions and manufacture of a sensitising dye therefor |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE389458A (enrdf_load_stackoverflow) |
| FR (1) | FR742639A (enrdf_load_stackoverflow) |
| GB (1) | GB403974A (enrdf_load_stackoverflow) |
-
0
- FR FR742639D patent/FR742639A/fr not_active Expired
- BE BE389458D patent/BE389458A/xx unknown
-
1932
- 1932-06-27 GB GB21141/33A patent/GB403974A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE389458A (enrdf_load_stackoverflow) | |
| FR742639A (enrdf_load_stackoverflow) | 1933-03-10 |
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