IT1199806B - Processo per la formazione di immagini fotografiche a colori stabili - Google Patents

Processo per la formazione di immagini fotografiche a colori stabili

Info

Publication number
IT1199806B
IT1199806B IT22742/86A IT2274286A IT1199806B IT 1199806 B IT1199806 B IT 1199806B IT 22742/86 A IT22742/86 A IT 22742/86A IT 2274286 A IT2274286 A IT 2274286A IT 1199806 B IT1199806 B IT 1199806B
Authority
IT
Italy
Prior art keywords
formation
photographic images
stable colors
colors
stable
Prior art date
Application number
IT22742/86A
Other languages
English (en)
Other versions
IT8622742A0 (it
Inventor
Baldassarri Agostino
Loiacono Marco
Loviglio Giuseppe
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11199915&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1199806(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Priority to IT22742/86A priority Critical patent/IT1199806B/it
Publication of IT8622742A0 publication Critical patent/IT8622742A0/it
Priority to DE3781871T priority patent/DE3781871T2/de
Priority to EP87118063A priority patent/EP0271796B2/en
Priority to US07/131,674 priority patent/US4822724A/en
Priority to CA000554441A priority patent/CA1318538C/en
Priority to JP62321146A priority patent/JP2695806B2/ja
Application granted granted Critical
Publication of IT1199806B publication Critical patent/IT1199806B/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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32—Colour coupling substances
    • G03C7/36—Couplers containing compounds with active methylene groups
    • G03C7/38—Couplers containing compounds with active methylene groups in rings
    • G03C7/384—Couplers containing compounds with active methylene groups in rings in pyrazolone rings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/156—Precursor compound
    • Y10S430/16—Blocked developers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/156—Precursor compound
    • Y10S430/161—Blocked restrainers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
IT22742/86A 1986-12-18 1986-12-18 Processo per la formazione di immagini fotografiche a colori stabili IT1199806B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT22742/86A IT1199806B (it) 1986-12-18 1986-12-18 Processo per la formazione di immagini fotografiche a colori stabili
DE3781871T DE3781871T2 (de) 1986-12-18 1987-12-07 Verfahren zur Herstellung von festen farbphotographischen Bildern.
EP87118063A EP0271796B2 (en) 1986-12-18 1987-12-07 Process for the formation of stable color photographic images
US07/131,674 US4822724A (en) 1986-12-18 1987-12-11 Process for the formation of stable color photographic images
CA000554441A CA1318538C (en) 1986-12-18 1987-12-16 Process for the formation of stable color photographic images
JP62321146A JP2695806B2 (ja) 1986-12-18 1987-12-18 カラー画像の形成方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22742/86A IT1199806B (it) 1986-12-18 1986-12-18 Processo per la formazione di immagini fotografiche a colori stabili

Publications (2)

Publication Number Publication Date
IT8622742A0 IT8622742A0 (it) 1986-12-18
IT1199806B true IT1199806B (it) 1989-01-05

Family

ID=11199915

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22742/86A IT1199806B (it) 1986-12-18 1986-12-18 Processo per la formazione di immagini fotografiche a colori stabili

Country Status (6)

Country Link
US (1) US4822724A (it)
EP (1) EP0271796B2 (it)
JP (1) JP2695806B2 (it)
CA (1) CA1318538C (it)
DE (1) DE3781871T2 (it)
IT (1) IT1199806B (it)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949360A (en) * 1956-08-31 1960-08-16 Eastman Kodak Co Photographic color former dispersions
US2991177A (en) * 1957-12-23 1961-07-04 Gen Aniline & Film Corp Method of incorporating coupler with dimethyl formamide in hydrophilic colloids
JPS4838416B1 (it) * 1969-07-17 1973-11-17
BE793424A (fr) * 1971-12-28 1973-06-28 Minnesota Mining & Mfg Copulants photographiques de benzoylacetanilides 2-equivalents
IT966734B (it) * 1972-07-24 1974-02-20 Minnesota Mining & Mfg Metodo per ridurre la caricabilita statica di strati fotografici e di elementi fotografici strati fotografici ed elementi fotografici ottenuti con tale metodo
JPS5611452A (en) * 1979-07-06 1981-02-04 Konishiroku Photo Ind Co Ltd Silver halide photosensitive material for colour photography
JPS56142531A (en) * 1980-04-07 1981-11-06 Fuji Photo Film Co Ltd Photographic sensitive material for color diffusion transfer method
DE3036846A1 (de) * 1980-09-30 1982-05-27 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren zur herstellung von dispersionen hydrophober substanzen in wasser
JPS59149347A (ja) * 1983-02-15 1984-08-27 Konishiroku Photo Ind Co Ltd ハロゲン化銀写真感光材料
JPS6173149A (ja) * 1984-09-18 1986-04-15 Fuji Photo Film Co Ltd ハロゲン化銀カラ−反転感光材料
DE3613974C2 (de) * 1986-04-25 1996-01-25 Agfa Gevaert Ag Farbfotografisches Aufzeichnungsmaterial

Also Published As

Publication number Publication date
EP0271796B2 (en) 1995-08-23
JP2695806B2 (ja) 1998-01-14
EP0271796A3 (en) 1989-04-05
EP0271796B1 (en) 1992-09-23
IT8622742A0 (it) 1986-12-18
US4822724A (en) 1989-04-18
EP0271796A2 (en) 1988-06-22
CA1318538C (en) 1993-06-01
JPS63192045A (ja) 1988-08-09
DE3781871T2 (de) 1996-04-04
DE3781871D1 (de) 1992-10-29

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Legal Events

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

Effective date: 19981231