GB1333302A - Converting metal images to formazan dyes - Google Patents

Converting metal images to formazan dyes

Info

Publication number
GB1333302A
GB1333302A GB2211971A GB2211971A GB1333302A GB 1333302 A GB1333302 A GB 1333302A GB 2211971 A GB2211971 A GB 2211971A GB 2211971 A GB2211971 A GB 2211971A GB 1333302 A GB1333302 A GB 1333302A
Authority
GB
United Kingdom
Prior art keywords
metal
substituted
arylene
image
tetrazolium salt
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
GB2211971A
Other languages
English (en)
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.)
Eastman Kodak Co
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 GB1333302A publication Critical patent/GB1333302A/en
Expired legal-status Critical Current

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
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/40Chemically transforming developed images
    • G03C5/46Toning
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B50/00Formazane dyes; Tetrazolium dyes
    • C09B50/02Tetrazolium dyes
    • 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
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/56Processes using photosensitive compositions covered by the groups G03C1/64 - G03C1/72 or agents therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
GB2211971A 1970-02-25 1971-04-19 Converting metal images to formazan dyes Expired GB1333302A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1422970A 1970-02-25 1970-02-25

Publications (1)

Publication Number Publication Date
GB1333302A true GB1333302A (en) 1973-10-10

Family

ID=21764241

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2211971A Expired GB1333302A (en) 1970-02-25 1971-04-19 Converting metal images to formazan dyes

Country Status (5)

Country Link
US (1) US3655382A (enExample)
BE (1) BE763285A (enExample)
CA (1) CA948914A (enExample)
FR (1) FR2080746B1 (enExample)
GB (1) GB1333302A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3897252A (en) * 1973-12-03 1975-07-29 Keuffel & Esser Co Photochromic imaging utilizing tetrazolium compounds
US4284704A (en) * 1976-08-13 1981-08-18 Eastman Kodak Company Photographic elements with incorporated hydrogen source photoreductant and tetrazolium salt
US5206112A (en) * 1991-06-27 1993-04-27 Minnesota Mining And Manufacturing Company Positive imaging diffusion - transfer dry silver system
US5185231A (en) * 1991-08-26 1993-02-09 Minnesota Mining And Manufacturing Company Dry silver systems with fluoran leuco dyes
US5250695A (en) * 1992-06-15 1993-10-05 Miles Inc. Use of specific counteranions to modify the solubility of tetrazolium salts
US5360595A (en) 1993-08-19 1994-11-01 Miles Inc. Preparation of diagnostic test strips containing tetrazolium salt indicators
US20070275472A1 (en) * 2006-05-23 2007-11-29 Eastman Kodak Company Method for detecting presence of silver-containing antimicrobial agents

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB670883A (en) * 1949-06-21 1952-04-30 Gevaert Photo Prod Nv Improvements in or relating to the production of photographic images

Also Published As

Publication number Publication date
CA948914A (en) 1974-06-11
BE763285A (fr) 1971-07-16
FR2080746B1 (enExample) 1973-06-08
US3655382A (en) 1972-04-11
FR2080746A1 (enExample) 1971-11-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees