US2155501A - Photographic treating bath - Google Patents
Photographic treating bath Download PDFInfo
- Publication number
- US2155501A US2155501A US135491A US13549137A US2155501A US 2155501 A US2155501 A US 2155501A US 135491 A US135491 A US 135491A US 13549137 A US13549137 A US 13549137A US 2155501 A US2155501 A US 2155501A
- Authority
- US
- United States
- Prior art keywords
- developer
- photographic
- putrefaction
- treating bath
- bath
- 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
- 238000007792 addition Methods 0.000 description 7
- 150000001251 acridines Chemical class 0.000 description 6
- 239000000645 desinfectant Substances 0.000 description 5
- 229960001441 aminoacridine Drugs 0.000 description 3
- 229940027998 antiseptic and disinfectant acridine derivative Drugs 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- DZBUGLKDJFMEHC-UHFFFAOYSA-N acridine Chemical compound C1=CC=CC2=CC3=CC=CC=C3N=C21 DZBUGLKDJFMEHC-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZVNPWFOVUDMGRP-UHFFFAOYSA-N 4-methylaminophenol sulfate Chemical compound OS(O)(=O)=O.CNC1=CC=C(O)C=C1.CNC1=CC=C(O)C=C1 ZVNPWFOVUDMGRP-UHFFFAOYSA-N 0.000 description 1
- LXVUGEVWOWTQAH-UHFFFAOYSA-N 6-chloro-9-[5-(diethylamino)pentyl]-2-methoxyacridin-1-amine Chemical compound COC1=C(C2=C(C3=CC=C(C=C3N=C2C=C1)Cl)CCCCCN(CC)CC)N LXVUGEVWOWTQAH-UHFFFAOYSA-N 0.000 description 1
- XJGFWWJLMVZSIG-UHFFFAOYSA-N 9-aminoacridine Chemical compound C1=CC=C2C(N)=C(C=CC=C3)C3=NC2=C1 XJGFWWJLMVZSIG-UHFFFAOYSA-N 0.000 description 1
- 150000005027 9-aminoacridines Chemical class 0.000 description 1
- MTRFEWTWIPAXLG-UHFFFAOYSA-N 9-phenylacridine Chemical compound C1=CC=CC=C1C1=C(C=CC=C2)C2=NC2=CC=CC=C12 MTRFEWTWIPAXLG-UHFFFAOYSA-N 0.000 description 1
- 241001479434 Agfa Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 239000001828 Gelatine Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 229940101006 anhydrous sodium sulfite Drugs 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002730 mercury Chemical class 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000005406 washing 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
- G03C5/29—Development processes or agents therefor
- G03C5/305—Additives other than developers
Definitions
- My invention relates to photographic treating baths and more particularly to the protection of such baths from putrefaction.
- An object of my invention is to prepare a photographic treating bath resistant to putrefaction by the addition of an acridine derivative amidated at the meso-carbon atom. Another object are the treating solutions containing said acridine derivatives. Further objects will be seen from the detailed specification following hereafter.
- Photographic developers, intermediate washing baths and other photographic solutions which have been used for a long time develop, particularly in the warm'months, an evil smell due to the putrefaction of the gelatine, paper and glue particles which they contain.
- This invention is based on the observation that the acridine derivatives amidated at the mesocarbon atom which are known disinfectants are surprisingly good agents for preventing putrefaction in photographic developers. By the addition of these substances to developers and other photographic baths all the aforesaid disadvantages attending. the addition of disinfectants are avoided.
- 9-aminoacri- Y dine is the more surprising because other like acridine derivatives, for example 9-phenylacridine, 3 :fi-diamino-IO-methylacridiniuni chloride, 3z6-dimethyl 10-methylacridinium chloride have either no efiect in preventing the putrefaction of trough developers or detract from the developing properties of the developer in manner quite similar to the effect of hitherto used disinfectants.
- Example 1 To litres of a trough developer there are added 2 to 7 grams of Q-aminoacridine. The developer is thereby protected from the action of putrefaction bacteria even at high temperatures until it has been completely exhausted, which with favorable composition of the developer does'not happen before the lapse of 2 months.
- Example 2 The developer is prepared by the following recipe:
- This developer is dissolved in the usual manner in 1000 cc. of water and resists the action of putrefaction bacteria.
- Applicant wishes to state that his invention is not limited to the specific examples given, but other photographic material may be protected pie a bath for inten'upting the development or a fixing bath.
- Applicant may use for instance Q-aminoacridine:
- a bath comprising an aqueous solution ot-a photographic treating agent and a stabilizing agent consisting of an acridine derivative corresponding to the following general formula:
- Z being a member selected from the group consisting of H, NH:,
Description
Patented Apr. 25, 1939 UNITED STATES PHOTOGRAPHIO TREATING BATH Georg L. Maiser, Dessau, Germany, asaignor to Agfa Ansco Corporation, Binghamton, N. Y., a corporation of New York No Drawing. Application April a, 193i, Serial 4 Claims.
My invention relates to photographic treating baths and more particularly to the protection of such baths from putrefaction.
An object of my invention is to prepare a photographic treating bath resistant to putrefaction by the addition of an acridine derivative amidated at the meso-carbon atom. Another object are the treating solutions containing said acridine derivatives. Further objects will be seen from the detailed specification following hereafter.
Photographic developers, intermediate washing baths and other photographic solutions which have been used for a long time develop, particularly in the warm'months, an evil smell due to the putrefaction of the gelatine, paper and glue particles which they contain.
This odor is not only a burden to the worker in the dark room, but also diminishes the permanence of the developer, since by the decomposition process the developer as such is prematurely destroyed. V
For avoiding this trouble it has been proposed to add to the, tank developer in which the development of odor is most frequent on account of the heavy use "and long retention of this developer a disinfectant, for example phenol, thym'ol, a fluoride or a mercury salt. Such additions may prevent the foul odor, but do not avoid the destruction of the developing properties by the putrefying process. The said additions have also the disadvantage that they either give rise to fog or depress the gradation or the initial sensitivity which can be produced by the developer.
This invention is based on the observation that the acridine derivatives amidated at the mesocarbon atom which are known disinfectants are surprisingly good agents for preventing putrefaction in photographic developers. By the addition of these substances to developers and other photographic baths all the aforesaid disadvantages attending. the addition of disinfectants are avoided.
The manufacture of 9 amino-acridines is described in the United States Letters Patents 1,-
629,873, 1,889,704 and 1,766,403.
The addition of 0.04'to 0.1 per mille of an acridine amidated at the meso-carbon atom to a tank developer prevents the production of any putrefaction notwithstanding that the developer may be in constant use under tropical conditions; the
In Germany April 11, 1936 developer contains its permanence and efiiciency until the complete exhaustion of the developing substance; in a comparison it is found that the developer containing the acridine derivative does not putrefy even after 2 months, whereas the same developer without the addition is useless after 2 weeks owing to putrefaction.
With the hitherto known disinfectants for this purpose a developer may remain odorless up to two months, but long before this limit a considerable depreciation in its developing properties can be detected; inparticular it will no longer completely develop the photographic layers, since the originally developed gradation can no longer be attained and the initial sensitivity is not wholly developed.
The specific favorable effect of 9-aminoacri- Y dine is the more surprising because other like acridine derivatives, for example 9-phenylacridine, 3 :fi-diamino-IO-methylacridiniuni chloride, 3z6-dimethyl 10-methylacridinium chloride have either no efiect in preventing the putrefaction of trough developers or detract from the developing properties of the developer in manner quite similar to the effect of hitherto used disinfectants.
The following examples illustrate the invention:
Example 1.---To litres of a trough developer there are added 2 to 7 grams of Q-aminoacridine. The developer is thereby protected from the action of putrefaction bacteria even at high temperatures until it has been completely exhausted, which with favorable composition of the developer does'not happen before the lapse of 2 months.
Example 2.The developer is prepared by the following recipe:
' Grams Para-methylaminophenol sulfate.-.. 1 Hydroquinone 2 Anhydrous sodium sulfite 25 Anhydrous sodium carbonate l 4 1 Potassium bromide 1 Q-aminoacridlne 0.1
This developer is dissolved in the usual manner in 1000 cc. of water and resists the action of putrefaction bacteria.
Applicant wishes to state that his invention is not limited to the specific examples given, but other photographic material may be protected pie a bath for inten'upting the development or a fixing bath. In like manner other a cridine derivatives amidated at the meso-carbon'atom, for
example 2-eth0xy-6:9-diam1no-acridine or 2- methoxy-6-chloro-9-(diethylaminopentyl) aminoacridine may be used. c
Applicant may use for instance Q-aminoacridine:
' 2-ethoxy-6 Q-diamind-acridlne:
aminoacridine:
. CIHI CH CH CHrCHFCHPI/ I I 2,155,501 "from the phenomena of putrei'action, for 'exam- What I claim is:
1. A bath comprising an aqueous solution ot-a photographic treating agent and a stabilizing agent consisting of an acridine derivative corresponding to the following general formula:
sisting of NH1 and if being a member selected from the group consisting of OCH3, OCaI-Ia, and H. Z being a member selected from the group consisting of H, NH:,
among L. m
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI0054786 | 1936-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2155501A true US2155501A (en) | 1939-04-25 |
Family
ID=7193971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US135491A Expired - Lifetime US2155501A (en) | 1936-04-11 | 1937-04-07 | Photographic treating bath |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2155501A (en) |
| BE (1) | BE420753A (en) |
| FR (1) | FR819754A (en) |
| GB (1) | GB493364A (en) |
| NL (1) | NL45962C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3279068A (en) * | 1964-01-23 | 1966-10-18 | Barnes Hind Pharm Inc | Method of detecting carious tissue |
-
0
- BE BE420753D patent/BE420753A/xx unknown
- NL NL45962D patent/NL45962C/xx active
-
1937
- 1937-03-25 FR FR819754D patent/FR819754A/en not_active Expired
- 1937-04-06 GB GB9723/37A patent/GB493364A/en not_active Expired
- 1937-04-07 US US135491A patent/US2155501A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3279068A (en) * | 1964-01-23 | 1966-10-18 | Barnes Hind Pharm Inc | Method of detecting carious tissue |
Also Published As
| Publication number | Publication date |
|---|---|
| NL45962C (en) | |
| BE420753A (en) | |
| GB493364A (en) | 1938-10-06 |
| FR819754A (en) | 1937-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH06222517A (en) | Photographic developing solution | |
| US2875049A (en) | Stabilized photographic developers for color photography | |
| US3462269A (en) | Stabilized color developing solution containing diethylenetriamine pentaacetic acid | |
| US2155501A (en) | Photographic treating bath | |
| US2656273A (en) | Photographic developers containing diamino-propanol tetracetic acid | |
| US1937844A (en) | Photographic developer and method of developing | |
| US3162534A (en) | Photographic developer | |
| US2477323A (en) | Photographic developers | |
| US2782120A (en) | Combined developer and fixer | |
| US2404774A (en) | Photographic developing process | |
| US3161513A (en) | Photographic developer compositions containing an antistain agent | |
| US3178284A (en) | Photographic developer compositions | |
| GB255925A (en) | Improvements in and relating to the preparation of photographic developers | |
| GB991934A (en) | Improved photographic developing agents | |
| US3515555A (en) | Toning composition for direct positive paper | |
| US2901350A (en) | Combined developers and fixers | |
| US3161514A (en) | Nonstaining photographic developers | |
| US3380829A (en) | Photographic developing compositions | |
| US2625475A (en) | Stabilization of photographic developers | |
| DE1422892A1 (en) | Development process | |
| US3291607A (en) | Water-soluble polyoxyalkylenated butyne-2-diol-1, 4 development accelerators | |
| US3779767A (en) | Color photographic developing method and developer therefor | |
| US2192891A (en) | Photographic developer and process of development | |
| US2131742A (en) | Photographic desensitizing | |
| JPS58122536A (en) | Fixation solution used for silver halide photosensitive material |