US4011082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver halide photographic material
Assignee: Fujifilm Holdings Corp
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Filing: 1975-06-06
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Granted: 1977-03-08
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Expires: 1995-06-06
Abstract
Abstract A silver halide photographic lithographic light-sensitive material having high halftone contrast comprising a support having thereon at least one hydrophilic colloid containing layer and containing at least one compound represented by the following formulae ##STR1## wherein R and R' each represents a hydrogen atom or an alkyl group containing from 1 to 18 carbon atoms, m is an integer of 1 or 2, and n is an integer of from 10 to 150, and at least one anionic surface active agent having a sulfonic group.
Inventors
- 👤 Takeo Sakai
- 👤 Masakazu Yoneyama
- 👤 Nobuo Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:12
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/043; Y; Y10; Y10S; Y10S430/00; Y10S430/15
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
131 words
A silver halide photographic material comprising a support having thereon at least one hydrophilic colloid containing silver halide emulsion and including at least one polyethylene oxide naphthyl ether represented by the following general formulae (I) and (II) ##STR5## wherein R and R' each represents a hydrogen atom or an alkyl group containing 1 to 18 carbon atoms, m is an integer of 1 or 2, and n is an integer of from 10 to 150, and at least one anionic surface active agent, wherein said anionic surface active agent is a compound containing a hydrophobic group having 8 to 30 carbon atoms and a sulfonic acid group of the formula --SO 3 M or --OSO 3 M, wherein M represents a hydrogen atom, an alkali metal atom or an ammonium group.
Claim 2
Dependent Claim
131 words
A silver halide photographic material comprising a support having thereon at least one hydrophilic colloid containing silver halide emulsion and including at least one polyethylene oxide naphthyl ether represented by the following general formulae (I) and (II) ##STR5## wherein R and R' each represents a hydrogen atom or an alkyl group containing 1 to 18 carbon atoms, m is an integer of 1 or 2, and n is an integer of from 10 to 150, and at least one anionic surface active agent, wherein said anionic surface active agent is a compound containing a hydrophobic group having 8 to 30 carbon atoms and a sulfonic acid group of the formula --SO 3 M or --OSO 3 M, wherein M represents a hydrogen atom, an alkali metal atom or an ammonium group.
Claim 3
Dependent Claim
31 words
The silver halide photographic material of claim 1, wherein said polyethylene oxide naphthyl ether and said anionic surface active agent are both present in said hydrophilic colloid-containing silver halide emulsion layer.
Claim 4
Dependent Claim
37 words
The silver halide photographic material of claim 1 wherein at least one additional hydrophilic colloid-containing layer is present and said polyethylene oxide naphthyl ether and said anionic surface active agent are present in different hydrophilic colloid-containing layers.
Claim 5
Dependent Claim
32 words
The silver halide photographic material of claim 1, wherein said alkyl group is a methyl group, an ethyl group, an isopropyl group, a 2-butyl group, a 2-octyl group, or an octadecyl group.
Claim 6
Dependent Claim
48 words
The silver halide photographic material of claim 1, wherein said polyethylene oxide naphthyl ether is polyethylene oxide 4-tetradecyl-α-naphthyl ether, polyethylene oxide α-naphthyl ether, polyethylene oxide 4-nonyl-α-naphthyl ether, polyethylene oxide 4-octadecyl-α-naphthyl ether, polyethylene oxide 3-butyl-α-naphthyl ether, polyethylene oxide 2-methyl-α-naphthyl ether, polyethylene oxide 4-hexyl-α-naphthyl ether, or polyethylene oxide 4-dodecyl-α-naphthyl ether.
Claim 7
Dependent Claim
54 words
The silver halide photographic material of claim 1, wherein said polyethylene oxide naphthyl ether is present in an amount of about 0.01 g to 1 g per mole of silver halide and said anionic surface active agent is present in an amount of about 0.1 g to 10 g per mole of silver halide.
Claim 8
Dependent Claim
38 words
The silver halide photographic material of claim 1 wherein at least one additional hydrophilic colloid-containing layer is present and said polyethylene oxide naphthyl ether and said anionic surface active agent are both in the same hydrophilic colloid-containing layer.
Claim 9
Dependent Claim
26 words
The silver halide photographic material of claim 1 wherein at least one additional hydrophilic colloid-containing layer is present on said hydrophilic colloid-containing silver halide emulsion layer.
Claim 10
Dependent Claim
52 words
The silver halide photographic material of claim 8, wherein one of said polyethylene oxide naphthyl ether and said anionic surface active agent is present in said silver halide emulsion layer and the other of said polyethylene oxide naphthyl ether and said anionic surface active agent is present in said hydrophilic colloid layer.
Claim 11
Dependent Claim
53 words
The silver halide photographic material of claim 8, wherein said silver halide comprises silver chlorobromide or silver iodochlorobromide, said silver chlorobromide comprising at least about 50 mole % silver chloride and said silver iodochlorobromide comprising at least about 50 mole % of silver chloride and up to about 5 mole % silver iodide.
Claim 12
Dependent Claim
44 words
A process for producing a halftone image, which comprises imagewise exposing a silver halide photographic material as claimed in claim 1, which is in intimate contact with a contact screen or a cross-hatched screen to light, and processing the material with a lithographic developer.
Claim 13
Dependent Claim
122 words
The silver halide photographic material of claim 1, wherein said anionic surface active agent is a compound represented by the following general formulae (III) and (IV) r"so.sub.3 m (iii) r"oso.sub.3 m (iv) wherein M represents a hydrogen atom, an alkali metal atom, or an ammonium group which may be substituted with an alkyl group having 1 to 3 carbon atoms, R" represents an alkyl group, an alkylaryl group, an alkanoyl amino alkyl group, an alkanoylaminoaryl group, a dialkylsuccinate group, an alkylpolyoxyethylene ether group, an alkylphenoxypolyoxyethylene ether alkyl group, an alkyl substituted heterocyclic group, an alkylaryl group or an alkylarylalkyl ether group and wherein any of the hydrogen atoms on the carbon atoms of said R" substituents may be replaced by fluorine atoms.
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) | 1980-03-07 | 1980-09-06 | 1981-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-07 | 1984-09-06 | 1985-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-07 | 1988-09-06 | 1989-03-08 | $7700.00 | Window Closed / Lapsed |