IE54328B1 - Direct positive photographic elements - Google Patents

Direct positive photographic elements

Info

Publication number
IE54328B1
IE54328B1 IE2702/82A IE270282A IE54328B1 IE 54328 B1 IE54328 B1 IE 54328B1 IE 2702/82 A IE2702/82 A IE 2702/82A IE 270282 A IE270282 A IE 270282A IE 54328 B1 IE54328 B1 IE 54328B1
Authority
IE
Ireland
Prior art keywords
emulsion
silver halide
photographic element
grains
element according
Prior art date
Application number
IE2702/82A
Other languages
English (en)
Other versions
IE822702L (en
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of IE822702L publication Critical patent/IE822702L/xx
Publication of IE54328B1 publication Critical patent/IE54328B1/en

Links

Classifications

    • 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
    • G03C1/48538Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
    • G03C1/48569Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the emulsion type/grain forms, e.g. tabular grain emulsions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
IE2702/82A 1981-11-12 1982-11-12 Direct positive photographic elements IE54328B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32089181A 1981-11-12 1981-11-12
US43191282A 1982-09-30 1982-09-30

Publications (2)

Publication Number Publication Date
IE822702L IE822702L (en) 1983-05-12
IE54328B1 true IE54328B1 (en) 1989-08-30

Family

ID=26982707

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2702/82A IE54328B1 (en) 1981-11-12 1982-11-12 Direct positive photographic elements

Country Status (11)

Country Link
AU (1) AU560223B2 (nl)
BR (1) BR8206564A (nl)
CA (1) CA1175692A (nl)
CH (1) CH653150A5 (nl)
DE (1) DE3241643C2 (nl)
FR (1) FR2516262B1 (nl)
GB (1) GB2110831B (nl)
IE (1) IE54328B1 (nl)
IT (1) IT1156334B (nl)
NL (1) NL190672C (nl)
SE (1) SE451040B (nl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4444874A (en) * 1982-09-15 1984-04-24 Eastman Kodak Company Photographic elements containing direct-positive emulsions and processes for their use
JPS60173541A (ja) * 1984-02-20 1985-09-06 Fuji Photo Film Co Ltd 直接ポジハロゲン化銀写真感光材料
US4520098A (en) * 1984-05-31 1985-05-28 Eastman Kodak Company Photographic element exhibiting reduced sensitizing dye stain
CA1259845A (en) * 1985-02-04 1989-09-26 Allan F. Sowinski Reversal photographic elements containing tabular grain emulsions
JPH0610756B2 (ja) * 1985-07-17 1994-02-09 富士写真フイルム株式会社 ハロゲン化銀カラ−反転写真材料
JPH0619570B2 (ja) * 1986-02-07 1994-03-16 富士写真フイルム株式会社 感光材料
EP0244356A3 (de) * 1986-04-25 1988-04-27 Ilford Ag Verfahren zur Herstellung photographischer Direktpositivemulsionen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1507989A (en) * 1974-12-19 1978-04-19 Ciba Geigy Ag Photographic emulsions
GB1520976A (en) * 1976-06-10 1978-08-09 Ciba Geigy Ag Photographic emulsions
GB1570581A (en) * 1978-05-25 1980-07-02 Ciba Geigy Ag Preparation of silver halide emulsions
DE2905655C2 (de) * 1977-06-08 1995-03-30 Ilford Ltd Verfahren zur Herstellung von photographischen Silberhalogenidemulsionen, die Silberhalogenidkristalle vom Zwillingstyp enthalten

Also Published As

Publication number Publication date
IT8224240A0 (it) 1982-11-12
SE451040B (sv) 1987-08-24
NL8204398A (nl) 1983-06-01
SE8206450L (sv) 1983-05-13
DE3241643A1 (de) 1983-05-19
DE3241643C2 (de) 1997-04-17
IT1156334B (it) 1987-02-04
GB2110831B (en) 1985-08-21
NL190672C (nl) 1994-06-16
BR8206564A (pt) 1983-09-27
GB2110831A (en) 1983-06-22
FR2516262B1 (fr) 1987-02-20
CH653150A5 (fr) 1985-12-13
AU560223B2 (en) 1987-04-02
FR2516262A1 (fr) 1983-05-13
CA1175692A (en) 1984-10-09
SE8206450D0 (sv) 1982-11-12
NL190672B (nl) 1994-01-17
AU9038082A (en) 1983-05-19
IE822702L (en) 1983-05-12

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Legal Events

Date Code Title Description
MM4A Patent lapsed