FR1128788A - Method for distinguishing between types of photographic media using fluorescent substances - Google Patents

Method for distinguishing between types of photographic media using fluorescent substances

Info

Publication number
FR1128788A
FR1128788A FR1128788DA FR1128788A FR 1128788 A FR1128788 A FR 1128788A FR 1128788D A FR1128788D A FR 1128788DA FR 1128788 A FR1128788 A FR 1128788A
Authority
FR
France
Prior art keywords
distinguishing
types
fluorescent substances
photographic media
photographic
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
Other languages
French (fr)
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.)
Ferrania SpA
Original Assignee
Ferrania SpA
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 Ferrania SpA filed Critical Ferrania SpA
Application granted granted Critical
Publication of FR1128788A publication Critical patent/FR1128788A/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
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/815—Photosensitive materials characterised by the base or auxiliary layers characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching
    • G03C1/8155—Organic compounds therefor
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3442—Heterocyclic compounds having nitrogen in the ring having two nitrogen atoms in the ring
    • C08K5/3445—Five-membered rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FR1128788D 1954-08-04 1955-08-02 Method for distinguishing between types of photographic media using fluorescent substances Expired FR1128788A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT772916X 1954-08-04

Publications (1)

Publication Number Publication Date
FR1128788A true FR1128788A (en) 1957-01-10

Family

ID=11316186

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1128788D Expired FR1128788A (en) 1954-08-04 1955-08-02 Method for distinguishing between types of photographic media using fluorescent substances
FR71553D Expired FR71553E (en) 1954-08-04 1957-05-20 Method for distinguishing between types of photographic media using fluorescent substances

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR71553D Expired FR71553E (en) 1954-08-04 1957-05-20 Method for distinguishing between types of photographic media using fluorescent substances

Country Status (3)

Country Link
DE (1) DE1008569B (en)
FR (2) FR1128788A (en)
GB (2) GB772916A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL290832A (en) * 1962-03-31

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE506515A (en) * 1950-10-26
US2653873A (en) * 1951-08-17 1953-09-29 Eastman Kodak Co Light-sensitive photographic element

Also Published As

Publication number Publication date
DE1008569B (en) 1957-05-16
GB816026A (en) 1959-07-08
FR71553E (en) 1960-01-05
GB772916A (en) 1957-04-17

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