IT1245857B - Sviluppatore alcalino in bianco e nero per materiale fotografico agli alogenuri d'argento - Google Patents

Sviluppatore alcalino in bianco e nero per materiale fotografico agli alogenuri d'argento

Info

Publication number
IT1245857B
IT1245857B ITMI910925A ITMI910925A IT1245857B IT 1245857 B IT1245857 B IT 1245857B IT MI910925 A ITMI910925 A IT MI910925A IT MI910925 A ITMI910925 A IT MI910925A IT 1245857 B IT1245857 B IT 1245857B
Authority
IT
Italy
Prior art keywords
black
agent
photographic material
white
alkaline developer
Prior art date
Application number
ITMI910925A
Other languages
English (en)
Inventor
Carlo Marchesano
Filippo Faranda
Franco Buriano
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of ITMI910925A0 publication Critical patent/ITMI910925A0/it
Priority to ITMI910925A priority Critical patent/IT1245857B/it
Priority to DE69231185T priority patent/DE69231185T2/de
Priority to DE69231343T priority patent/DE69231343T2/de
Priority to EP97112839A priority patent/EP0810472B1/en
Priority to EP92104552A priority patent/EP0507145B1/en
Priority to JP4076723A priority patent/JPH0588307A/ja
Priority to CA002064934A priority patent/CA2064934A1/en
Publication of ITMI910925A1 publication Critical patent/ITMI910925A1/it
Priority to US08/206,196 priority patent/US5478706A/en
Application granted granted Critical
Publication of IT1245857B publication Critical patent/IT1245857B/it

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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29—Development processes or agents therefor
    • G03C5/305—Additives other than developers
    • 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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/40—Chemically transforming developed images
    • G03C5/46—Toning

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

Composizione di sviluppo acquosa alcalina per fotografia in bianco e nero comprendente:1) almeno un agente di sviluppo in bianco e nero,2) almeno un agente di sviluppo in bianco e nero ausiliario,3) almeno un antivelo,4) almeno un agente sequestrante,5) un antiossidante di tipo solfito,6) almeno un agente tampone,7) un "toner", e 8) almeno un agente promotore del tono,in cui detto "toner" è un derivato di un'ammina primaria organica e detto agente promotore del tono è un solvente per alogenuri d'argento.
ITMI910925A 1991-04-03 1991-04-03 Sviluppatore alcalino in bianco e nero per materiale fotografico agli alogenuri d'argento IT1245857B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
ITMI910925A IT1245857B (it) 1991-04-03 1991-04-03 Sviluppatore alcalino in bianco e nero per materiale fotografico agli alogenuri d'argento
EP92104552A EP0507145B1 (en) 1991-04-03 1992-03-17 Alkaline black-and-white developer for silver halide photographic material
DE69231343T DE69231343T2 (de) 1991-04-03 1992-03-17 Alkalischer Schwarzweissentwickler für ein photographisches Silberhalogenidmaterial
EP97112839A EP0810472B1 (en) 1991-04-03 1992-03-17 Alkaline black-and-white developer for silver halide photographic material
DE69231185T DE69231185T2 (de) 1991-04-03 1992-03-17 Alkalischer Schwarzweissentwickler für ein photographisches Silberhalogenidmaterial
JP4076723A JPH0588307A (ja) 1991-04-03 1992-03-31 ハロゲン化銀写真材料用アルカリ性白黒現像液
CA002064934A CA2064934A1 (en) 1991-04-03 1992-04-02 Alkaline black-and-white developer for silver halide photographic material
US08/206,196 US5478706A (en) 1991-04-03 1994-03-03 Alkaline black-and-white developer for silver halide photographic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI910925A IT1245857B (it) 1991-04-03 1991-04-03 Sviluppatore alcalino in bianco e nero per materiale fotografico agli alogenuri d'argento

Publications (3)

Publication Number Publication Date
ITMI910925A0 ITMI910925A0 (it) 1991-04-03
ITMI910925A1 ITMI910925A1 (it) 1992-10-03
IT1245857B true IT1245857B (it) 1994-10-25

Family

ID=11359426

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI910925A IT1245857B (it) 1991-04-03 1991-04-03 Sviluppatore alcalino in bianco e nero per materiale fotografico agli alogenuri d'argento

Country Status (6)

Country Link
US (1) US5478706A (it)
EP (2) EP0810472B1 (it)
JP (1) JPH0588307A (it)
CA (1) CA2064934A1 (it)
DE (2) DE69231343T2 (it)
IT (1) IT1245857B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9509757D0 (en) * 1995-05-13 1995-07-05 Ilford Ltd Toning of photographic print material
DE19644226A1 (de) * 1996-10-24 1998-04-30 Agfa Gevaert Ag Fixierbad

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE432392A (it) * 1938-02-05
FR959726A (it) * 1942-03-20 1950-04-04
GB561203A (en) * 1942-06-25 1944-05-10 Eastman Kodak Co Improvements in and relating to photographic developers and methods of producing photographic images by development
US2409107A (en) * 1942-10-16 1946-10-08 Eastman Kodak Co Processing of certain nongelatin emulsions
BE490074A (it) * 1948-07-09
BE521429A (it) * 1952-07-16
GB1212051A (en) * 1968-06-14 1970-11-11 Ilford Ltd Photographic silver halide development process
US3865591A (en) * 1973-05-10 1975-02-11 Delaware Photographic Products General purpose developer
US4269929A (en) * 1980-01-14 1981-05-26 Eastman Kodak Company High contrast development of photographic elements
IT1196972B (it) * 1986-07-23 1988-11-25 Minnesota Mining & Mfg Composizioni di sviluppo fotografico per alogenuri d'argento e procedimento per la formazione di immagini fotografiche di argento
IT1215423B (it) * 1987-04-13 1990-02-08 Minnesota Mining & Mfg Composizioni di sviluppo per materiali fotografici agli alogenuri d'argento.
EP0366181A3 (en) * 1988-10-26 1990-05-16 Agfa-Gevaert N.V. Silver sulphide sol with ultrafine particle size
IT1229224B (it) * 1989-04-03 1991-07-26 Minnesota Mining & Mfg Composizione concentrata di sviluppo fotografico e metodo per prepararla.

Also Published As

Publication number Publication date
DE69231185T2 (de) 2000-11-09
EP0507145B1 (en) 2000-06-21
CA2064934A1 (en) 1992-10-04
JPH0588307A (ja) 1993-04-09
US5478706A (en) 1995-12-26
EP0810472A3 (en) 1998-02-04
EP0507145A1 (en) 1992-10-07
DE69231343T2 (de) 2001-05-23
EP0810472B1 (en) 2000-08-09
EP0810472A2 (en) 1997-12-03
ITMI910925A1 (it) 1992-10-03
ITMI910925A0 (it) 1991-04-03
DE69231185D1 (de) 2000-07-27
DE69231343D1 (de) 2000-09-14

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990430