US3898089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver halide photographic material containing a polyhydric alcohol, a glyoxal and a triazine
Assignee: Fujifilm Holdings Corp
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Filing: 1973-11-27
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Granted: 1975-08-05
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Expires: 1993-11-27
Abstract
Abstract A silver halide photographic material comprising a support having thereon at least one silver halide photographic emulsion layer, the emulsion layer and/or an auxiliary layer containing glyoxal, a water-soluble salt of 2,4-dichloro-6-hydroxy-striazine and a polyhydric alcohol having at least two hydroxyl groups. The emulsion layer film of this photographic material has improved physical properties and ultraviolet ray transmittance.
Inventors
- 👤 Nobuo Yamamoto
- 👤 Ichiro Nakanishi
- 👤 Yoshihide Hayakawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:43
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/30
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
96 words
A SILVER HALIDE PHOTOGRAPHIC MATERIAL COMPRISING A SUPPORT AND AT LEAST ONE SILVER HALIDE PHOTOGRAPHIC EMULSION LAYER, SAID EMULSION LAYER AND/OR AN AUXILIARY LAYER OF SAID PHOTOGRAPHIC MATERIAL CONTAINING 0.01 TO 50 G PER 100 G OF DRIED GELATIN OF GLYOXAL, 0.05 TO 10 MOL PER 1 MOL OF GLYOXAL OF A WATER-SOLUBLE SALT OF 2,4-DICHLORO-6-HYDROXY-S-TRIAZINE AND 0.1 TO 10 MOL PER 1 MOL OF GLYOXAL OF A WATER-SOLUBLE, ALIPHATIC, SATURATED POLYHYDRIC ALCOHOL CONTAINING 2 TO 20 CARBON ATOMS AND HAVING 2 TO 20 HYDROXYL GROUPS, SAID EMULSION LAYER AND/OR AUXILIARY LAYER BEING A GELATIN-CONTAINING LAYER.
Claim 2
Dependent Claim
96 words
A SILVER HALIDE PHOTOGRAPHIC MATERIAL COMPRISING A SUPPORT AND AT LEAST ONE SILVER HALIDE PHOTOGRAPHIC EMULSION LAYER, SAID EMULSION LAYER AND/OR AN AUXILIARY LAYER OF SAID PHOTOGRAPHIC MATERIAL CONTAINING 0.01 TO 50 G PER 100 G OF DRIED GELATIN OF GLYOXAL, 0.05 TO 10 MOL PER 1 MOL OF GLYOXAL OF A WATER-SOLUBLE SALT OF 2,4-DICHLORO-6-HYDROXY-S-TRIAZINE AND 0.1 TO 10 MOL PER 1 MOL OF GLYOXAL OF A WATER-SOLUBLE, ALIPHATIC, SATURATED POLYHYDRIC ALCOHOL CONTAINING 2 TO 20 CARBON ATOMS AND HAVING 2 TO 20 HYDROXYL GROUPS, SAID EMULSION LAYER AND/OR AUXILIARY LAYER BEING A GELATIN-CONTAINING LAYER.
Claim 3
Dependent Claim
43 words
The silver halide photograpic material as claimed in claim 1, wherein said glyoxal, said 2,4-dichloro-6-hydroxy-s-triazine salt and said polyhydric alcohol are in one or more silver halide photographic emulsion layers and/or at least one adjacent layer or a backing layer of said support.
Claim 4
Dependent Claim
25 words
The silver halide photographic material as claimed in claim 2, wherein said adjacent layer is a protective layer, an antihalation layer, or an intermediate layer.
Claim 5
Dependent Claim
33 words
The silver halide photographic material as claimed in claim 3, wherein said silver halide photographic emulsion layers, said adjacent layers thereof and/or said backing layer contain a dispersion of a vinyl polymer latex.
Claim 6
Dependent Claim
37 words
The silver halide photographic material as claimed in claim 1, wherein the hydrogen atom of the 6-hydroxyl group of said triazine is replaced by an alkali metal cation, an alkaline earth metal cation, or an ammonium cation.
Claim 7
Dependent Claim
61 words
The silver halide photographic material as claimed in claim 5, wherein said alkali metal cation is a sodium ion, a potassium ion or a lithium ion, said alkaline earth metal cation is a calcium ion, a barium ion or a strontium ion and said ammonium cation is an ammonium ion, a tetramethylammonium ion, a tetraethylammonium ion or a tetrabutyl ammonium ion.
Claim 8
Dependent Claim
25 words
The silver halide photographic material as claimed in claim 6, wherein said triazine salt is sodium 2,4-dichloro-6-hydroxy-s-triazine, potassium 2,4-dichloro-6-hydroxy-s-triazine, barium 2, 4-dichloro-6-hydroxy-s-triazine or calcium 2,4-dichloro-6-hydroxy-s-triazine.
Claim 9
Dependent Claim
49 words
The silver halide photographic material as claimed in claim 1, wherein said polyhydric alcohol is ethylene glycol, 1,2-propanediol, 1,3-propanediol, 1,3-butanediol, 2,3-butanediol, 1, 4-butanediol, 2,2-dimethyl-1,3-propanediol, 2-methyl-2-propyl-1, 3-propanediol, 1,5-pentanediol, 2-methyl-2,4-pentanediol, 2,2,4-trimethyl-1,3-pentanediol, 1,6-hexanediol, 1,7-heptanediol, 2,5-dimethyl-2,5-hexanediol, 2-ethyl-1,3-hexanediol dipropyleneglycol, 1,2-cyclopentanediol, 1,4-cyclohexanedimethanol, 1,2-cyclohexanediol, 1,4-cyclohexanediol, glycerin, trimethylolpropane, trimethylolethane, trimethylolhexane, 1,2,4-butanetriol, 1,2,6-hexanetriol, pentaerythritol, adonitol, sorbitol, or mannitol.
Claim 10
Dependent Claim
33 words
The silver halide photographic material as claimed in claim 1, wherein said glyoxal is present at a level of about 0.1 to 20 g per 100 g of gelatin on a dry basis.
Claim 11
Dependent Claim
30 words
The silver halide photographic material as claimed in claim 1, wherein said triazine salt is present at a level of about 0.1 to 5 moles per mole of said glyoxal.
Claim 12
Dependent Claim
30 words
The silver halide photographic material as claimed in claim 1, wherein said polyhydric alcohol is present at a level of about 0.5 to 2.0 moles per mole of said glyoxal.
Claim 13
Dependent Claim
30 words
The silver halide photographic material as claimed in claim 1, wherein said glyoxal, said triazine salt and said polyhydric alcohol are present in the same layer of said photographic material.
Claim 14
Dependent Claim
29 words
The silver halide photographic material as claimed in claim 1, wherein said glyoxal, said triazine salt and said polyhydric alcohol are present in different layers of said photographic material.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-04 | 1979-02-03 | 1979-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-04 | 1983-02-03 | 1983-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-04 | 1987-02-03 | 1987-08-05 | $7700.00 | Window Closed / Lapsed |