FR71553E - 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
FR71553E
FR71553E FR71553DA FR71553E FR 71553 E FR71553 E FR 71553E FR 71553D A FR71553D A FR 71553DA FR 71553 E FR71553 E FR 71553E
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 FR71553E publication Critical patent/FR71553E/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)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FR71553D 1954-08-04 1957-05-20 Method for distinguishing between types of photographic media using fluorescent substances Expired FR71553E (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR71553E true FR71553E (en) 1960-01-05

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 Before (1)

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

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
GB816026A (en) 1959-07-08
FR1128788A (en) 1957-01-10
GB772916A (en) 1957-04-17
DE1008569B (en) 1957-05-16

Similar Documents

Publication Publication Date Title
CH395736A (en) Photographic reproduction process and filter for carrying out this process
FR1125819A (en) Method for applying light sensitive materials to diaper supports
FR71553E (en) Method for distinguishing between types of photographic media using fluorescent substances
FR1125410A (en) Photographic reproduction process
FR1127186A (en) Method and device for dry spinning.
FR1200015A (en) Process for separating tetracycline
FR1097030A (en) Method and apparatus for using submerged combustion
FR1132986A (en) Method and apparatus for bending glass
FR1197927A (en) Photographic process for color development
FR1249593A (en) Process for obtaining improved photographic material
FR1091914A (en) Method and apparatus for infusion
FR1118309A (en) Method and apparatus for the automatic recording of optical quantities
FR1143159A (en) Improved method and device for drying slimes
FR1129352A (en) Method and device for the purification of suspensions
FR1126325A (en) Method and device for sieving
FR1159384A (en) Device for admitting a suspension into a filtration apparatus
FR1144590A (en) Method for improving the dissolution of macromolecular substances
FR1103740A (en) Connection device for fluorescent tubes and others
FR881302A (en) Method and device for dewatering collapsing materials by means of elastic plates
FR888261A (en) Method and device for dehydrating yeast suspensions
FR1234434A (en) Method and apparatus for telecommunications
FR1105130A (en) Removable filter for funnel
FR1276521A (en) Process for obtaining improved photographic material
FR1196359A (en) Improved process for curing proteinaceous substances, especially gelatin, for photographic use
FR1098181A (en) Lighting device for fluorescent tubes