EP0317886A3 - Gradation-variable black and white paper - Google Patents
Gradation-variable black and white paper Download PDFInfo
- Publication number
- EP0317886A3 EP0317886A3 EP19880119074 EP88119074A EP0317886A3 EP 0317886 A3 EP0317886 A3 EP 0317886A3 EP 19880119074 EP19880119074 EP 19880119074 EP 88119074 A EP88119074 A EP 88119074A EP 0317886 A3 EP0317886 A3 EP 0317886A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- gradation
- white paper
- variable black
- black
- variable
- 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.)
- Granted
Links
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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/08—Sensitivity-increasing substances
- G03C1/10—Organic substances
- G03C1/12—Methine and polymethine dyes
-
- 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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
-
- 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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression
- G03C1/346—Organic derivatives of bivalent sulfur, selenium or tellurium
-
- 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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
- G03C2001/03564—Mixed grains or mixture of emulsions
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Paper (AREA)
- Plural Heterocyclic Compounds (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873739766 DE3739766A1 (en) | 1987-11-24 | 1987-11-24 | GRADATION VARIABLE SW PAPER |
DE3739766 | 1987-11-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0317886A2 EP0317886A2 (en) | 1989-05-31 |
EP0317886A3 true EP0317886A3 (en) | 1990-12-27 |
EP0317886B1 EP0317886B1 (en) | 1994-03-16 |
Family
ID=6341134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88119074A Expired - Lifetime EP0317886B1 (en) | 1987-11-24 | 1988-11-17 | Gradation-variable black and white paper |
Country Status (5)
Country | Link |
---|---|
US (1) | US5006455A (en) |
EP (1) | EP0317886B1 (en) |
JP (1) | JP2622407B2 (en) |
DE (2) | DE3739766A1 (en) |
ES (1) | ES2050139T3 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0373339B1 (en) * | 1988-11-15 | 1994-05-04 | Agfa-Gevaert AG | Silver halide recording material |
DE58907695D1 (en) * | 1989-01-07 | 1994-06-23 | Agfa Gevaert Ag | Silver halide recording material. |
JPH046550A (en) * | 1990-04-24 | 1992-01-10 | Mitsubishi Paper Mills Ltd | Silver halide photographic material |
JP2597431B2 (en) * | 1991-04-24 | 1997-04-09 | 三菱製紙株式会社 | Silver halide photographic material |
DE69224837T2 (en) * | 1992-10-30 | 1998-10-08 | Agfa Gevaert Nv | Photographic material containing a mixture of silver halide emulsions |
EP0599384B1 (en) * | 1992-11-19 | 2000-01-19 | Eastman Kodak Company | Dye compounds and photographic elements containing such dyes |
EP0599383B1 (en) * | 1992-11-19 | 2001-02-28 | Eastman Kodak Company | Silver halide photographic elements containing furan or pyrrole substituted dye compounds |
EP0683427B1 (en) * | 1994-05-18 | 2001-11-14 | Eastman Kodak Company | Blue sensitizing dyes with heterocyclic substituents |
JPH07325361A (en) * | 1994-06-02 | 1995-12-12 | Mitsubishi Paper Mills Ltd | Silver halide photographic sensitive material |
DE19601141C2 (en) * | 1995-07-31 | 1998-08-20 | Agfa Gevaert Ag | Gradation-variable black and white paper |
GB9626281D0 (en) * | 1996-12-18 | 1997-02-05 | Kodak Ltd | Photographic high contrast silver halide material |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3305362A (en) * | 1962-03-08 | 1967-02-21 | Agfa Ag | Process for developing silver halide and compositions therefor |
EP0040771A1 (en) * | 1980-05-28 | 1981-12-02 | Agfa-Gevaert AG | Photographic material and its use in the formation of images |
DE3028167A1 (en) * | 1980-07-25 | 1982-04-01 | Agfa-Gevaert Ag, 5090 Leverkusen | Variable contrast photographic printing paper - has two layer emulsion with different colour gradations |
DE3635388A1 (en) * | 1985-10-22 | 1987-04-23 | Konishiroku Photo Ind | LIGHT SENSITIVE PHOTOGRAPHIC SILVER HALOGENIDE MATERIAL |
DE3605713A1 (en) * | 1986-02-22 | 1987-08-27 | Agfa Gevaert Ag | COLOR PHOTOGRAPHIC RECORDING MATERIAL |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA539568A (en) * | 1957-04-16 | D. Hill George | Prevention of dye wandering in photographic emulsions | |
GB494088A (en) * | 1937-03-18 | 1938-10-18 | Frank Forster Renwick | Improvements in or relating to photographic printing processes and materials |
GB561875A (en) * | 1942-12-03 | 1944-06-08 | John David Kendall | Improvements in or relating to photographic materials |
FR1222449A (en) * | 1958-07-31 | 1960-06-09 | Kodak Pathe | New photographic silver halide emulsion |
BE595325A (en) * | 1960-09-23 | |||
GB1225241A (en) * | 1967-04-21 | 1971-03-17 | ||
GB1298302A (en) * | 1971-04-05 | 1972-11-29 | Agfa Gevaert Ag | Process for the photographic production of equidensities |
-
1987
- 1987-11-24 DE DE19873739766 patent/DE3739766A1/en not_active Withdrawn
-
1988
- 1988-11-10 US US07/269,993 patent/US5006455A/en not_active Expired - Fee Related
- 1988-11-17 EP EP88119074A patent/EP0317886B1/en not_active Expired - Lifetime
- 1988-11-17 ES ES88119074T patent/ES2050139T3/en not_active Expired - Lifetime
- 1988-11-17 DE DE88119074T patent/DE3888461D1/en not_active Expired - Fee Related
- 1988-11-17 JP JP63289025A patent/JP2622407B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3305362A (en) * | 1962-03-08 | 1967-02-21 | Agfa Ag | Process for developing silver halide and compositions therefor |
EP0040771A1 (en) * | 1980-05-28 | 1981-12-02 | Agfa-Gevaert AG | Photographic material and its use in the formation of images |
DE3028167A1 (en) * | 1980-07-25 | 1982-04-01 | Agfa-Gevaert Ag, 5090 Leverkusen | Variable contrast photographic printing paper - has two layer emulsion with different colour gradations |
DE3635388A1 (en) * | 1985-10-22 | 1987-04-23 | Konishiroku Photo Ind | LIGHT SENSITIVE PHOTOGRAPHIC SILVER HALOGENIDE MATERIAL |
DE3605713A1 (en) * | 1986-02-22 | 1987-08-27 | Agfa Gevaert Ag | COLOR PHOTOGRAPHIC RECORDING MATERIAL |
Also Published As
Publication number | Publication date |
---|---|
JPH01167745A (en) | 1989-07-03 |
EP0317886B1 (en) | 1994-03-16 |
ES2050139T3 (en) | 1994-05-16 |
DE3888461D1 (en) | 1994-04-21 |
JP2622407B2 (en) | 1997-06-18 |
EP0317886A2 (en) | 1989-05-31 |
US5006455A (en) | 1991-04-09 |
DE3739766A1 (en) | 1989-06-08 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
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