DE2335748C2 - Photographische direktpositive Silberhalogenidemulsionen - Google Patents

Photographische direktpositive Silberhalogenidemulsionen

Info

Publication number
DE2335748C2
DE2335748C2 DE2335748A DE2335748A DE2335748C2 DE 2335748 C2 DE2335748 C2 DE 2335748C2 DE 2335748 A DE2335748 A DE 2335748A DE 2335748 A DE2335748 A DE 2335748A DE 2335748 C2 DE2335748 C2 DE 2335748C2
Authority
DE
Germany
Prior art keywords
group
carbon atoms
silver halide
emulsion
general formula
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
Application number
DE2335748A
Other languages
German (de)
English (en)
Other versions
DE2335748A1 (de
Inventor
Masanao Ashigara Kanagawa Hinata
Akira Ogawa
Akira Sato
Keisuke Shiba
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of DE2335748A1 publication Critical patent/DE2335748A1/de
Application granted granted Critical
Publication of DE2335748C2 publication Critical patent/DE2335748C2/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10The polymethine chain containing an even number of >CH- groups
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10The polymethine chain containing an even number of >CH- groups
    • C09B23/105The polymethine chain containing an even number of >CH- groups two >CH- groups
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10The polymethine chain containing an even number of >CH- groups
    • C09B23/107The polymethine chain containing an even number of >CH- groups four >CH- groups
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/005Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/485Direct positive emulsions
    • G03C1/48515Direct positive emulsions prefogged
    • G03C1/48523Direct positive emulsions prefogged characterised by the desensitiser
    • G03C1/4853Direct positive emulsions prefogged characterised by the desensitiser polymethine dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
DE2335748A 1972-07-14 1973-07-13 Photographische direktpositive Silberhalogenidemulsionen Expired DE2335748C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47070499A JPS5222243B2 (enExample) 1972-07-14 1972-07-14

Publications (2)

Publication Number Publication Date
DE2335748A1 DE2335748A1 (de) 1974-02-21
DE2335748C2 true DE2335748C2 (de) 1984-02-23

Family

ID=13433261

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2335748A Expired DE2335748C2 (de) 1972-07-14 1973-07-13 Photographische direktpositive Silberhalogenidemulsionen

Country Status (5)

Country Link
US (1) US3868256A (enExample)
JP (1) JPS5222243B2 (enExample)
DE (1) DE2335748C2 (enExample)
FR (1) FR2193215B1 (enExample)
GB (1) GB1408529A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59135459A (ja) * 1983-01-24 1984-08-03 Fuji Photo Film Co Ltd 画像形成方法
JPH0617985B2 (ja) * 1984-04-20 1994-03-09 コニカ株式会社 ハロゲン化銀多層カラー写真感光材料
JPH0789207B2 (ja) * 1988-07-25 1995-09-27 富士写真フイルム株式会社 直接ポジ型ハロゲン化銀乳剤
US5547828A (en) * 1994-01-18 1996-08-20 Fuji Photo Film Co., Ltd. Direct positive type silver halide photographic material comprising a mixture of dyes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1334515A (en) * 1970-01-15 1973-10-17 Kodak Ltd Pyrazolo-triazoles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Also Published As

Publication number Publication date
GB1408529A (en) 1975-10-01
JPS4929828A (enExample) 1974-03-16
US3868256A (en) 1975-02-25
FR2193215A1 (enExample) 1974-02-15
JPS5222243B2 (enExample) 1977-06-16
DE2335748A1 (de) 1974-02-21
FR2193215B1 (enExample) 1978-07-21

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Legal Events

Date Code Title Description
OD Request for examination
8125 Change of the main classification

Ipc: G03C 1/485

8126 Change of the secondary classification

Free format text: G03C 1/22 G03C 1/36

8181 Inventor (new situation)

Free format text: SATO, AKIRA OGAWA, AKIRA SHIBA, KEISUKE HINATA, MASANAO, ASHIGARA, KANAGAWA, JP

8128 New person/name/address of the agent

Representative=s name: KOHLER, M., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 80

D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: SOLF, A., DR.-ING., 8000 MUENCHEN ZAPF, C., DIPL.-ING., PAT.-ANW., 5600 WUPPERTAL