US4980274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver halide photographic light-sensitive material
Assignee: Konica Minolta Inc
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Filing: 1989-08-24
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Granted: 1990-12-25
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Expires: 2009-08-24
Abstract
Abstract A silver halide photographic light-sensitive material having a support, provided thereon a silver halide emulsion layer, and a backing layer provided on a reverse side of said silver halide emulsion layer is disclosed. Said support is of white color polyester or comprises a layer containing a white pigment and provided on a side of the silver halide emulsion layer; and the transmittances of the support, the support plus the backing layer, and the silver halide photographic light-sensitive material in 450 nm, 550 nm and 700 nm satisfy the following equations; α.sub.700 =T.sub.B700 T.sub.A700 =0.30 to 0.70 β.sub.700=T.sub.A700 /T.sub.0700 =0.05 to 0.30 α.sub.550 =T.sub.B550 /T.sub.A550 =0.60 to 0.90 β.sub.550 =T.sub.A550 /T.sub.0550 =0.10 to 0.50 α.sub.450 =T.sub.B450 /T.sub.A450 =0.60 to 0.90 β.sub.450 =T.sub.A450 /T.sub.0550 =0.15 to 0.50 wherein T 0700 , T 0550 and T 0450 represent the transmittances of the support in 700 nm, 550 nm and 450 nm, respectively; T A700 , T A550 and T A450 represent the transmittances of the support plus the backing layer in 700 nm, 550 nm and 450 nm, respectively, and T B700 , T B550 and T B450 represent the transmittances of the silver halide photographic light-sensitive material in 700 nm, 550 nm and 450 nm, respectively.
Inventors
- 👤 Akiyoshi Tai
- 👤 Shun Takada
- 👤 Hisayoshi Tsurui
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:40
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; Y; Y10; Y10S; Y10S430/00; Y10S430/151
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
225 words
A silver halide photographic light-sensitive material having a support, a silver halide emulsion layer provided on one side of said support, and a backing layer provided on the other side of said support, wherein said support is of white color polyester, or comprises a layer containing a white pigment and provided on a side of the silver halide emulsion layer; and the transmittances of the support, the support plus the backing layer, and the silver halide photographic light-sensitive material in 450 nm, 550 nm and 700 nm satisfy the following equations; α 700 =T B700 /T A700 =0.30 to 0.70 β 700 =T A700 /T 0700 =0.05 to 0.30 α 550 =T B550 /T A550 =0.60 to 0.90 β 550 =T A550 /T 0550 =0.10 to 0.50 α 450 =T B450 /T A450 =0 60 to 0.90 β 450 =T A450 /T 0550 =0.15 to 0.50 wherein T 0700 , T 0500 and T 0450 represent the transmittances of the support in 700 nm, 550 nm and 450 nm, respectively; T A700 , T A550 and T A450 represent the transmittances of the support plus the backing layer in 700 nm, 550 nm and 450 nm, respectively; and T B700 , T B550 and T B450 represent the transmittances of the silver halide photographic light-sensitive material in 700 nm, 550 nm and 450 nm, respectively.
Claim 2
Dependent Claim
225 words
A silver halide photographic light-sensitive material having a support, a silver halide emulsion layer provided on one side of said support, and a backing layer provided on the other side of said support, wherein said support is of white color polyester, or comprises a layer containing a white pigment and provided on a side of the silver halide emulsion layer; and the transmittances of the support, the support plus the backing layer, and the silver halide photographic light-sensitive material in 450 nm, 550 nm and 700 nm satisfy the following equations; α 700 =T B700 /T A700 =0.30 to 0.70 β 700 =T A700 /T 0700 =0.05 to 0.30 α 550 =T B550 /T A550 =0.60 to 0.90 β 550 =T A550 /T 0550 =0.10 to 0.50 α 450 =T B450 /T A450 =0 60 to 0.90 β 450 =T A450 /T 0550 =0.15 to 0.50 wherein T 0700 , T 0500 and T 0450 represent the transmittances of the support in 700 nm, 550 nm and 450 nm, respectively; T A700 , T A550 and T A450 represent the transmittances of the support plus the backing layer in 700 nm, 550 nm and 450 nm, respectively; and T B700 , T B550 and T B450 represent the transmittances of the silver halide photographic light-sensitive material in 700 nm, 550 nm and 450 nm, respectively.
Claim 3
Dependent Claim
27 words
The light-sensitive material of claim 1, wherein T 0700 , T 0550 and T 0450 are 10 to 25%, 10 to 30% and 5 to 30%, respectively.
Claim 4
Dependent Claim
28 words
The light sensitive material of claim 2, wherein T 0700 , T 0550 and T 0450 are 15 to 25%, 18 to 25% and 16 to 25%, respectively.
Claim 5
Dependent Claim
37 words
The light-sensitive material of claim 1, wherein: α 700 =0.45 to 0.60 β 700 =0.05 to 0.20 α 550 =0.70 to 0.85 β 550 =0.15 to 0.30 α 450 =0.70 to 0.85 β 450 =0.20 to 0.35.
Claim 6
Dependent Claim
37 words
The light-sensitive material of claim 4 wherein: α 700 =0.50 to 0.55 β 700 =0.08 to 0.15 α 550 =0.73 to 0.82 β 550 =0.18 to 0.25 α 450 =0.72 to 0.82 β 450 =0.23 to 0.33.
Claim 7
Dependent Claim
28 words
The light-sensitive material of claim 1, wherein said white pigment is sulfate or carbonate of an alkali earth metal, silicate, alumina, titanium oxide, zinc oxide, talk, or clay.
Claim 8
Dependent Claim
16 words
The light-sensitive material of claim 6, wherein said white pigment is barium sulfate or titanium oxide.
Claim 9
Dependent Claim
23 words
The light-sensitive material of claim 7, wherein an addition amount of said white pigment is 5 to 50 weight % of the support.
Claim 10
Dependent Claim
18 words
The light-sensitive material of claim 8, wherein an oxygen transmittance of the support is 2.0 ml/m 2 ·hr·atm.
Claim 11
Dependent Claim
15 words
The light-sensitive material of claim 9, wherein said oxygen transmittance is 1.0 ml/m 2 ·hr·atm.
Claim 12
Dependent Claim
16 words
The light-sensitive material of claim 9, wherein thickness of the support is 150 to 250 μm.
Claim 13
Dependent Claim
14 words
The light-sensitive material of claim 11, wherein said thickness is 160 to 200 μm.
Claim 14
Dependent Claim
33 words
The light-sensitive material of claim 1, wherein said silver halide photographic light-sensitive material comprises an antihalation layer containing an antihalation agent and provided on a reverse side of the silver halide emulsion layer.
Claim 15
Dependent Claim
13 words
The light-sensitive material of claim 13, wherein said antihalation agent is colloidal silver.
Claim 16
Dependent Claim
22 words
The light-sensitive material of claim 14, wherein an addition amount of said antihalation agent is 0.5 to 5.0 mg/ dm 2 .
Claim 17
Dependent Claim
22 words
The light-sensitive material of claim 15, wherein an addition amount of said antihalation agent is 1.0 to 2.0 mg/ dm 2 .
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) | 1993-12-24 | 1994-06-25 | 1994-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-24 | 1998-06-25 | 1998-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-24 | 2002-06-25 | 2002-12-25 | $7700.00 | Window Closed / Lapsed |