EP0184078A3 - Method for etching half-tone silver halide images and silver halide photosensitive material for half-tone image reproduction - Google Patents

Method for etching half-tone silver halide images and silver halide photosensitive material for half-tone image reproduction Download PDF

Info

Publication number
EP0184078A3
EP0184078A3 EP85114809A EP85114809A EP0184078A3 EP 0184078 A3 EP0184078 A3 EP 0184078A3 EP 85114809 A EP85114809 A EP 85114809A EP 85114809 A EP85114809 A EP 85114809A EP 0184078 A3 EP0184078 A3 EP 0184078A3
Authority
EP
European Patent Office
Prior art keywords
silver halide
tone
photosensitive material
image reproduction
etching
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.)
Granted
Application number
EP85114809A
Other versions
EP0184078B1 (en
EP0184078A2 (en
Inventor
Aldo Sgarbi
Alberto Vacca
Paolo Beretta
Jonathan Peter Kitchin
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of EP0184078A2 publication Critical patent/EP0184078A2/en
Publication of EP0184078A3 publication Critical patent/EP0184078A3/en
Application granted granted Critical
Publication of EP0184078B1 publication Critical patent/EP0184078B1/en
Expired 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
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/09—Noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g. for chemical sensitising

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
EP85114809A 1984-12-06 1985-11-21 Method for etching half-tone silver halide images and silver halide photosensitive material for half-tone image reproduction Expired EP0184078B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2393884 1984-12-06
IT23938/84A IT1196358B (en) 1984-12-06 1984-12-06 SILVER HALIDE PHOTOSENSITIVE MATERIAL FOR THE REPRODUCTION OF HALF-COLORED IMAGES AND METHOD FOR THE WEAKENING OF HALF-COLORED PHOTOGRAPHIC IMAGES OF SILVER HALIDE

Publications (3)

Publication Number Publication Date
EP0184078A2 EP0184078A2 (en) 1986-06-11
EP0184078A3 true EP0184078A3 (en) 1988-11-17
EP0184078B1 EP0184078B1 (en) 1991-01-23

Family

ID=11210998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85114809A Expired EP0184078B1 (en) 1984-12-06 1985-11-21 Method for etching half-tone silver halide images and silver halide photosensitive material for half-tone image reproduction

Country Status (8)

Country Link
EP (1) EP0184078B1 (en)
JP (1) JPH07107599B2 (en)
AR (1) AR241722A1 (en)
AU (1) AU588556B2 (en)
BR (1) BR8506108A (en)
DE (1) DE3581508D1 (en)
IT (1) IT1196358B (en)
MX (1) MX166778B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1179519B (en) * 1984-12-17 1987-09-16 Minnesota Mining & Mfg PHOTOSENSITIVE MATERIAL WITH SILVER HALIDES FOR OBTAINING HALF-TINTED BLACK AND WHITE IMAGES AND METHOD FOR REPRODUCTION WITH HALF TINT AT HIGH CONTRAST
JP2668223B2 (en) * 1986-11-22 1997-10-27 コニカ株式会社 A silver halide photographic light-sensitive material that is excellent in rapid processability and has little sensitivity and gradation variation with respect to temperature changes during exposure.
US4863844A (en) * 1986-11-22 1989-09-05 Konica Corporation Gold and sulfur sensitized silver halide light-sensitive photographic material
JPH0797201B2 (en) * 1987-05-11 1995-10-18 コニカ株式会社 Silver halide photographic light-sensitive material with improved reducing power and its reduction processing method
JPH0743518B2 (en) * 1987-07-06 1995-05-15 コニカ株式会社 Silver halide photographic emulsion
JP2627149B2 (en) * 1987-07-08 1997-07-02 コニカ株式会社 Image forming method with improved return characteristics

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3231820A1 (en) * 1981-08-26 1983-03-17 Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa PHOTOGRAPHIC SILVER HALOGENIDE MATERIAL

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57132137A (en) * 1981-02-10 1982-08-16 Konishiroku Photo Ind Co Ltd Silver halide emulsion
JPS59157631A (en) * 1983-02-25 1984-09-07 Mitsubishi Paper Mills Ltd Silver halide photographic emulsion
JPS59159154A (en) * 1983-02-28 1984-09-08 Mitsubishi Paper Mills Ltd Photographic silver halide emulsion
JPS59157630A (en) * 1983-02-25 1984-09-07 Mitsubishi Paper Mills Ltd Silver halide photographic emulsion
JPS59193447A (en) * 1983-04-18 1984-11-02 Fuji Photo Film Co Ltd Photosensitive silver halide material for daylight room

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3231820A1 (en) * 1981-08-26 1983-03-17 Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa PHOTOGRAPHIC SILVER HALOGENIDE MATERIAL

Also Published As

Publication number Publication date
EP0184078B1 (en) 1991-01-23
DE3581508D1 (en) 1991-02-28
JPS61179433A (en) 1986-08-12
IT1196358B (en) 1988-11-16
AU5079485A (en) 1986-06-12
AR241722A1 (en) 1992-11-30
EP0184078A2 (en) 1986-06-11
JPH07107599B2 (en) 1995-11-15
IT8423938A0 (en) 1984-12-06
MX166778B (en) 1993-02-04
AU588556B2 (en) 1989-09-21
BR8506108A (en) 1986-08-19

Similar Documents

Publication Publication Date Title
EP0138200A3 (en) Silver halide photographic material and method for forming high contrast negative image using the same
EP0246624A3 (en) Method of forming a color image and silver halide color photographic material
DE3564041D1 (en) Method and apparatus for copying photographic originals
EP0254195A3 (en) Photographic silver halide developer compositions and process for forming photographic silver images
DE3366761D1 (en) A system and method for defining and displaying an image for photographic reproduction
EP0196626A3 (en) Silver halide photographic material and method for forming an ultrahigh contrast negative image therewith
DE3474368D1 (en) Electrographic apparatus and method employing image development adjustment
EP0151305A3 (en) Method for processing light-sensitive silver halide color photographic material
AU588844B2 (en) Method for processing of light-sensitive silver halide color photographic material
EP0255734A3 (en) Method for processing a silver halide color photographic material and a color developing composition
AU7255587A (en) Light-sensitive silver halide emulsion and radiographic elements with an improved image quality and reduced residual stain
EP0306019A3 (en) Silver halide photographic material and method for forming an image
EP0329086A3 (en) Image forming method for silver halide light-sensitive materials
DE3271657D1 (en) Method and material for the formation of silver halide color photographic image
EP0296854A3 (en) Method for processing light-sensitive silver halide color photographic material
EP0184078A3 (en) Method for etching half-tone silver halide images and silver halide photosensitive material for half-tone image reproduction
EP0185371A3 (en) Method of processing light-sensitive silver halide color photographic material
EP0426043A3 (en) Silver halide color photographic material and method for forming color image
GB2190214B (en) Method of forming an image on photosensitive material
EP0186504A3 (en) Processing method of silver halide color photosensitive material
EP0280252A3 (en) Silver halide photographic material and method for forming super high contrast image therewith
EP0185243A3 (en) Photosensitive silver halide material for obtaining half-tone black-and-white images and method for half-tone high-contrast reproduction
EP0289007A3 (en) Method for processing silver halide color photographic light-sensitive material
GB2200761B (en) Image-forming method on silver halide light-sensitive material
EP0431329A3 (en) Silver halide color photographic material and a method for forming a color image

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): BE DE FR GB

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): BE DE FR GB

17P Request for examination filed

Effective date: 19890420

17Q First examination report despatched

Effective date: 19890823

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE FR GB

REF Corresponds to:

Ref document number: 3581508

Country of ref document: DE

Date of ref document: 19910228

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19951013

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19951020

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19951026

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19951027

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19961121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Effective date: 19961130

BERE Be: lapsed

Owner name: MINNESOTA MINING AND MFG CY

Effective date: 19961130

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19961121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19970731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19970801

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST