Patent US5234802A successfully refreshed from Google Patents.
US5234802A
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US
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Method for processing a silver halide photographic material and light-sensitive material for photographing
Assignee: Fujifilm Holdings Corp
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Filing: 1991-05-09
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Granted: 1993-08-10
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Expires: 2011-05-09
Abstract
Abstract A method for processing a silver halide photographic material is disclosed, comprising a support and a light-sensitive silver halide emulsion layer provided on the frontside of the support, said photographic material being arranged in a processing container containing a processing solution to form a gap or series of continuous gaps adjacent to the surface of the light-sensitive layer between the frontside of the photographic material and the backside of the same photographic material, or between the frontside of the photographic material and a second photographic material, or between the frontside of the photographic material and a light-insensitive member, said gap or continuous series of gaps having a substantially constant gap width, comprising the steps of introducing a processing solution stream into each gap and replacing the processing solution thus introduced in an amount at least equivalent to the capacity of the gaps. A light-sensitive material for photographing is also disclosed, comprising a support in the form of a long roll size having provided thereon at least one photosensitive silver halide emulsion layer, said light-sensitive material having plural intermittent projections at both the left and right hand parallel margin portions along the lengthwise direction of the light-sensitive material. The light-sensitive material for photographing is well adapted for the processing method of the present invention.
Inventors
- 👤 Takashi Nakamura
- 👤 Toshio Kurokawa
- 👤 Keisuke Shiba
- 👤 Noboru Sasaki
- 👤 Ken Kawada
- 👤 Kouichi Sasaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:30
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02; G03D13/04; G03D13/043; G03C; G03C1/00; G03C1/76; G03C1/765; G03C5/00; G03C5/26; B; B29; B29L; B29L2009/00; Y; Y10; Y10S; Y10S430/00; Y10S430/14
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
191 words
A method for processing a silver halide photographic material comprising a support and a light-sensitive silver halide emulsion layer provided on the frontside of the support, said photographic material being arranged in a processing container containing a processing solution to form a gap or series of continuous gaps adjacent to the surface of the light-sensitive layer between the frontside of the photographic material and the backside of the same photographic material, or between the frontside of the photographic material and a second photographic material, or between the frontside of the photographic material and a light-insensitive member, said gap or continuous series of gaps having a substantially constant gap width, the gap width being within the range of from 0.05 mm to 2 mm, comprising the steps of introducing a processing solution stream into each gap by applying positive pressure or suction to the processing solution external to the gap, and replacing the processing solution thus introduced in an amount at least equivalent to the capacity of the gaps, wherein the stream direction of the processing solution is reversed from 3 to 100 times during the course of a single processing step.
Claim 2
Independent Claim
191 words
A method for processing a silver halide photographic material comprising a support and a light-sensitive silver halide emulsion layer provided on the frontside of the support, said photographic material being arranged in a processing container containing a processing solution to form a gap or series of continuous gaps adjacent to the surface of the light-sensitive layer between the frontside of the photographic material and the backside of the same photographic material, or between the frontside of the photographic material and a second photographic material, or between the frontside of the photographic material and a light-insensitive member, said gap or continuous series of gaps having a substantially constant gap width, the gap width being within the range of from 0.05 mm to 2 mm, comprising the steps of introducing a processing solution stream into each gap by applying positive pressure or suction to the processing solution external to the gap, and replacing the processing solution thus introduced in an amount at least equivalent to the capacity of the gaps, wherein the stream direction of the processing solution is reversed from 3 to 100 times during the course of a single processing step.
Claim 3
Dependent Claim
24 words
A method as in claim 1, wherein the processing solution stream is introduced into each gap in the widthwise direction of the photographic material.
Claim 4
Dependent Claim
82 words
A method as in claim 1, wherein said photographic material is in the form of a long roll size having periodical projections along both margin portions thereof on one side of the support, said photographic material is swirlingly wound to form a continuous series of gaps adjacent to the light-sensitive layer between the frontside and backside of the photographic material, and the processing solution stream is introduced and replaced in a direction substantially perpendicular to the lengthwise direction of the photographic material.
Claim 5
Dependent Claim
91 words
A method in claim 1, wherein said photographic material is in the form of a long roll size, said photographic material is swirlingly wound together with a light-insensitive member also in the form of a long roll size and having periodical projections on both sides thereof to form a series of continuous gaps adjacent to the light-sensitive layer between the frontside of the photographic material and the light-insensitive member, and the processing solution stream is introduced and replaced in a direction substantially perpendicular to the lengthwise direction of the photographic material.
Claim 6
Dependent Claim
68 words
A method as in claim 1, wherein said photographic material is in the form of a sheet having periodical projections along both margin portions thereof on one side of the support, and said photographic material is superposed with a second such photographic material to form a gap adjacent to the light-sensitive layer between the frontside of the first photographic material and the backside of the second photographic material.
Claim 7
Dependent Claim
69 words
A method as in claim 1, wherein said processing container has parallel grooves on opposing sides of the inner surface thereof, said photographic material is in the form of a sheet, said photographic material and a second such photographic material are inserted into adjacent sets of grooves to form a gap adjacent to the light-sensitive layer between the frontside of the first photographic material and the second photographic material.
Claim 8
Dependent Claim
22 words
A method as in claim 1, wherein the processing solution stream is replaced in an amount of from 1 to 100 equivalents.
Claim 9
Dependent Claim
25 words
A method as in claim 1, wherein the direction of flow of said processing stream introduced into each gap is reversed in the replacement step.
Claim 10
Dependent Claim
58 words
A method as in claim 1, further comprising discharging the processing solution from the processing container, supplying a second different processing solution to the processing container, introducing a processing solution stream of said second processing solution into each gap and replacing the processing solution thus introduced in an amount at least equivalent to the capacity of the gaps.
Claim 11
Dependent Claim
63 words
A method as in claim 1, wherein said photographic material is a light-sensitive material for photographing comprising a support in the form of a long roll size having provided thereon at least one photosensitive silver halide emulsion layer, said light-sensitive material having plural intermittent projections at both the left and right hand parallel margin portions along the lengthwise direction of the light-sensitive material.
Claim 12
Dependent Claim
14 words
A method as in claim 1, wherein the processing solution is a developing solution.
Claim 13
Dependent Claim
23 words
A method as in claim 1, wherein the processing solution is replaced by changing the direction of the stream of the processing solution.
Claim 14
Dependent Claim
24 words
A method as in claim 1, wherein the processing solution is replaced by supplying the stream of the processing solution in a constant direction.
Claim 15
Dependent Claim
29 words
A method as in claim 1, wherein the stream direction of the processing solution is reversed from 4 to 10 times during the course of a single processing step.
Claim 16
Dependent Claim
21 words
A method as in claim 1, wherein the gap width is within the range of from 0.05 mm to 0.5 mm.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-08-09 | 1997-02-08 | 1997-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-08-09 | 2001-02-08 | 2001-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-08-09 | 2005-02-08 | 2005-08-10 | $7700.00 | Window Closed / Lapsed |