US1760756A - Process of desensitizing silver-bromide emulsions and plates or films covered with such emulsions - Google Patents
Process of desensitizing silver-bromide emulsions and plates or films covered with such emulsions Download PDFInfo
- Publication number
- US1760756A US1760756A US241447A US24144727A US1760756A US 1760756 A US1760756 A US 1760756A US 241447 A US241447 A US 241447A US 24144727 A US24144727 A US 24144727A US 1760756 A US1760756 A US 1760756A
- Authority
- US
- United States
- Prior art keywords
- emulsions
- desensitizing
- plates
- silver
- bromide
- 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 - Lifetime
Links
- 239000000839 emulsion Substances 0.000 title description 6
- 238000000034 method Methods 0.000 title description 6
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 title description 6
- 150000001875 compounds Chemical class 0.000 description 5
- OARRHUQTFTUEOS-UHFFFAOYSA-N safranin Chemical compound [Cl-].C=12C=C(N)C(C)=CC2=NC2=CC(C)=C(N)C=C2[N+]=1C1=CC=CC=C1 OARRHUQTFTUEOS-UHFFFAOYSA-N 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 108010010803 Gelatin Proteins 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 229920000159 gelatin Polymers 0.000 description 3
- 239000008273 gelatin Substances 0.000 description 3
- 235000019322 gelatine Nutrition 0.000 description 3
- 235000011852 gelatine desserts Nutrition 0.000 description 3
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 101100020619 Arabidopsis thaliana LATE gene Proteins 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- SOUHUMACVWVDME-UHFFFAOYSA-N safranin O Chemical compound [Cl-].C12=CC(N)=CC=C2N=C2C=CC(N)=CC2=[N+]1C1=CC=CC=C1 SOUHUMACVWVDME-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/32—Latensification; Densensitisation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI0031435 | 1927-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1760756A true US1760756A (en) | 1930-05-27 |
Family
ID=7187873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US241447A Expired - Lifetime US1760756A (en) | 1927-06-15 | 1927-12-20 | Process of desensitizing silver-bromide emulsions and plates or films covered with such emulsions |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1760756A (en)) |
| BE (1) | BE349610A (en)) |
| FR (1) | FR650786A (en)) |
| GB (1) | GB292140A (en)) |
| NL (1) | NL25041C (en)) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1547727B1 (de) * | 1965-08-25 | 1970-10-08 | Eastman Kodak Co | Gegenueber sichtbarem Licht desensibilisierte photographische Silberhalogenidemulsion |
-
0
- NL NL25041D patent/NL25041C/xx active
- BE BE349610D patent/BE349610A/xx unknown
-
1927
- 1927-12-20 US US241447A patent/US1760756A/en not_active Expired - Lifetime
-
1928
- 1928-03-12 FR FR650786D patent/FR650786A/fr not_active Expired
- 1928-05-23 GB GB15169/28A patent/GB292140A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1547727B1 (de) * | 1965-08-25 | 1970-10-08 | Eastman Kodak Co | Gegenueber sichtbarem Licht desensibilisierte photographische Silberhalogenidemulsion |
Also Published As
| Publication number | Publication date |
|---|---|
| BE349610A (en)) | |
| GB292140A (en) | 1928-09-13 |
| NL25041C (en)) | |
| FR650786A (fr) | 1929-02-11 |
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