DE2215830A1 - Spektrale Sensibilisierung von direkt-positiven, photographischen SiIberhalogenidemulsionen - Google Patents

Spektrale Sensibilisierung von direkt-positiven, photographischen SiIberhalogenidemulsionen

Info

Publication number
DE2215830A1
DE2215830A1 DE19722215830 DE2215830A DE2215830A1 DE 2215830 A1 DE2215830 A1 DE 2215830A1 DE 19722215830 DE19722215830 DE 19722215830 DE 2215830 A DE2215830 A DE 2215830A DE 2215830 A1 DE2215830 A1 DE 2215830A1
Authority
DE
Germany
Prior art keywords
direct
positive
photographic material
emulsion
dye
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.)
Pending
Application number
DE19722215830
Other languages
German (de)
English (en)
Inventor
Henri Dr. Mortsel; Moelants Felix Jan Wilrijk; Depoorter (Belgien)
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
Publication of DE2215830A1 publication Critical patent/DE2215830A1/de
Pending 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
    • G03C1/485—Direct positive emulsions
    • G03C1/48515—Direct positive emulsions prefogged
    • G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser
    • G03C1/4853—Direct positive emulsions prefogged characterised by the desensitiser 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
    • G03C1/06—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
    • G03C1/16—Methine and polymethine dyes with an odd number of CH groups with one CH group
    • 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
    • G03C1/22—Methine and polymethine dyes with an even number of CH groups

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)
  • Plural Heterocyclic Compounds (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
DE19722215830 1971-04-08 1972-03-30 Spektrale Sensibilisierung von direkt-positiven, photographischen SiIberhalogenidemulsionen Pending DE2215830A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909571A GB1378517A (en) 1971-04-08 1971-04-08 Spectral sensitization of direct-positive silver halide emulsions

Publications (1)

Publication Number Publication Date
DE2215830A1 true DE2215830A1 (de) 1972-10-19

Family

ID=9865261

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722215830 Pending DE2215830A1 (de) 1971-04-08 1972-03-30 Spektrale Sensibilisierung von direkt-positiven, photographischen SiIberhalogenidemulsionen

Country Status (6)

Country Link
US (1) US3764338A (en:Method)
BE (1) BE781665A (en:Method)
CA (1) CA984209A (en:Method)
DE (1) DE2215830A1 (en:Method)
FR (1) FR2132650B3 (en:Method)
GB (1) GB1378517A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002080160A1 (de) * 2001-03-28 2002-10-10 Bayer Aktiengesellschaft Optischer datenträger enthaltend in der informationsschicht einen kationischen aminoheterocyclischen farbstoff als lichtabsorbierende verbindung

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460543A (en) * 1982-04-10 1984-07-17 Grillo-Werke Ag Process for preparation of zinc powder for alkaline batteries by amalgamation of zinc powder
JPS60121441A (ja) * 1983-12-06 1985-06-28 Mitsubishi Paper Mills Ltd 直接ポジ用ハロゲン化銀写真乳剤
DE69329964T2 (de) * 1992-11-19 2001-09-13 Eastman Kodak Co., Rochester Furan-oder pyrrolsubstituierte Farbstoffverbindungen und solche Farbstoffe enthaltende fotografische Silberhalogenid-Elemente
JP3588160B2 (ja) * 1994-05-18 2004-11-10 イーストマン コダック カンパニー 複素環式置換基を有する青色増感色素

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002080160A1 (de) * 2001-03-28 2002-10-10 Bayer Aktiengesellschaft Optischer datenträger enthaltend in der informationsschicht einen kationischen aminoheterocyclischen farbstoff als lichtabsorbierende verbindung

Also Published As

Publication number Publication date
BE781665A (fr) 1972-10-05
FR2132650B3 (en:Method) 1974-06-07
GB1378517A (en) 1974-12-27
US3764338A (en) 1973-10-09
FR2132650A3 (en:Method) 1972-11-24
CA984209A (en) 1976-02-24

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