DE3888460D1 - Gradationsvariables SW-Papier. - Google Patents

Gradationsvariables SW-Papier.

Info

Publication number
DE3888460D1
DE3888460D1 DE88119073T DE3888460T DE3888460D1 DE 3888460 D1 DE3888460 D1 DE 3888460D1 DE 88119073 T DE88119073 T DE 88119073T DE 3888460 T DE3888460 T DE 3888460T DE 3888460 D1 DE3888460 D1 DE 3888460D1
Authority
DE
Germany
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.)
Expired - Fee Related
Application number
DE88119073T
Other languages
English (en)
Inventor
Helmut Dr Kampfer
Walter Dr Paetzold
Guenther Dr Mahlberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Agfa Gevaert AG filed Critical Agfa Gevaert AG
Priority to DE88119073T priority Critical patent/DE3888460D1/de
Application granted granted Critical
Publication of DE3888460D1 publication Critical patent/DE3888460D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G03C1/14—Methine and polymethine dyes with an odd number of CH groups
    • G03C1/18—Methine and polymethine dyes with an odd number of CH groups with three CH groups
    • 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
DE88119073T 1987-11-24 1988-11-17 Gradationsvariables SW-Papier. Expired - Fee Related DE3888460D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE88119073T DE3888460D1 (de) 1987-11-24 1988-11-17 Gradationsvariables SW-Papier.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873739783 DE3739783A1 (de) 1987-11-24 1987-11-24 Gradationsvariables sw-papier
DE88119073T DE3888460D1 (de) 1987-11-24 1988-11-17 Gradationsvariables SW-Papier.

Publications (1)

Publication Number Publication Date
DE3888460D1 true DE3888460D1 (de) 1994-04-21

Family

ID=6341141

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19873739783 Withdrawn DE3739783A1 (de) 1987-11-24 1987-11-24 Gradationsvariables sw-papier
DE88119073T Expired - Fee Related DE3888460D1 (de) 1987-11-24 1988-11-17 Gradationsvariables SW-Papier.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19873739783 Withdrawn DE3739783A1 (de) 1987-11-24 1987-11-24 Gradationsvariables sw-papier

Country Status (5)

Country Link
US (1) US4987063A (de)
EP (1) EP0317885B1 (de)
JP (1) JPH01156735A (de)
DE (2) DE3739783A1 (de)
ES (1) ES2050138T3 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5219723A (en) * 1991-10-10 1993-06-15 Eastman Kodak Company Green sensitizing dyes for variable contrast photographic elements
EP0536769B1 (de) * 1991-10-10 1995-05-24 Eastman Kodak Company Verfahren zur Steuerung der Form der Charakteristikkurve photographischer Elemente mit variablem Kontrast
JPH07325361A (ja) * 1994-06-02 1995-12-12 Mitsubishi Paper Mills Ltd ハロゲン化銀写真感光材料
DE69514065T2 (de) * 1994-10-03 2000-07-06 Agfa Gevaert Nv Elektro(stato)graphisches Verfahren, das reaktive Toner verwendet
GB2303934B (en) * 1995-07-31 1998-10-28 Agfa Gevaert Ag Black and white paper with variable gradation
GB2316754B (en) * 1996-08-30 2000-09-27 Ilford Ltd Variable contrast photographic material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2384598A (en) * 1941-03-14 1945-09-11 Eastman Kodak Co Photographic material
DE3028167A1 (de) * 1980-07-25 1982-04-01 Agfa-Gevaert Ag, 5090 Leverkusen Photographisches aufzeichnungsmaterial mit variablem kontrast
JPS6180237A (ja) * 1984-09-28 1986-04-23 Konishiroku Photo Ind Co Ltd ハロゲン化銀写真感光乳剤
US4791053A (en) * 1985-12-03 1988-12-13 Fuji Photo Film Co., Ltd. Silver halide photographic material
DE3605713A1 (de) * 1986-02-22 1987-08-27 Agfa Gevaert Ag Farbfotografisches aufzeichnungsmaterial

Also Published As

Publication number Publication date
DE3739783A1 (de) 1989-06-08
EP0317885B1 (de) 1994-03-16
US4987063A (en) 1991-01-22
EP0317885A2 (de) 1989-05-31
ES2050138T3 (es) 1994-05-16
JPH01156735A (ja) 1989-06-20
EP0317885A3 (en) 1990-12-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee