DE2121783C3 - Direkt-positive verschleierte lichtempfindliche Gelatine-Silberhalogenidemulsion - Google Patents

Direkt-positive verschleierte lichtempfindliche Gelatine-Silberhalogenidemulsion

Info

Publication number
DE2121783C3
DE2121783C3 DE19712121783 DE2121783A DE2121783C3 DE 2121783 C3 DE2121783 C3 DE 2121783C3 DE 19712121783 DE19712121783 DE 19712121783 DE 2121783 A DE2121783 A DE 2121783A DE 2121783 C3 DE2121783 C3 DE 2121783C3
Authority
DE
Germany
Prior art keywords
silver halide
halide emulsion
direct positive
alkyl group
group
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
DE19712121783
Other languages
German (de)
English (en)
Other versions
DE2121783B2 (de
DE2121783A1 (de
Inventor
Hirotetu Kato
Hideo Kawano
Nobuo Tsuji
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 DE2121783A1 publication Critical patent/DE2121783A1/de
Publication of DE2121783B2 publication Critical patent/DE2121783B2/de
Application granted granted Critical
Publication of DE2121783C3 publication Critical patent/DE2121783C3/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/06—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups three >CH- groups, e.g. carbocyanines
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/04—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups one >CH- group, e.g. cyanines, isocyanines, pseudocyanines
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE19712121783 1970-05-04 1971-05-03 Direkt-positive verschleierte lichtempfindliche Gelatine-Silberhalogenidemulsion Expired DE2121783C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3812170A JPS4912654B1 (fr) 1970-05-04 1970-05-04

Publications (3)

Publication Number Publication Date
DE2121783A1 DE2121783A1 (de) 1971-11-11
DE2121783B2 DE2121783B2 (de) 1973-10-25
DE2121783C3 true DE2121783C3 (de) 1974-05-22

Family

ID=12516617

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712121783 Expired DE2121783C3 (de) 1970-05-04 1971-05-03 Direkt-positive verschleierte lichtempfindliche Gelatine-Silberhalogenidemulsion

Country Status (6)

Country Link
JP (1) JPS4912654B1 (fr)
BE (1) BE766640A (fr)
CA (1) CA968612A (fr)
DE (1) DE2121783C3 (fr)
FR (1) FR2091169A5 (fr)
GB (1) GB1308733A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3467489A (en) * 1988-05-11 1989-11-16 Mackenzie, Kenneth Lawrence A line jamming apparatus

Also Published As

Publication number Publication date
DE2121783B2 (de) 1973-10-25
GB1308733A (en) 1973-03-07
FR2091169A5 (fr) 1972-01-14
BE766640A (fr) 1971-10-01
JPS4912654B1 (fr) 1974-03-26
DE2121783A1 (de) 1971-11-11
CA968612A (en) 1975-06-03

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8328 Change in the person/name/address of the agent

Free format text: KOHLER, M., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN

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