US2673153A - Photographic element and method of identification - Google Patents

Photographic element and method of identification Download PDF

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Publication number
US2673153A
US2673153A US191017A US19101750A US2673153A US 2673153 A US2673153 A US 2673153A US 191017 A US191017 A US 191017A US 19101750 A US19101750 A US 19101750A US 2673153 A US2673153 A US 2673153A
Authority
US
United States
Prior art keywords
per cent
cellulose acetate
weight
photographic
anthracene
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 - Lifetime
Application number
US191017A
Other languages
English (en)
Inventor
Ralph H Talbot
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
Priority to BE506514D priority Critical patent/BE506514A/xx
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Priority to US191017A priority patent/US2673153A/en
Priority to FR1044017D priority patent/FR1044017A/fr
Priority to GB24449/51A priority patent/GB701281A/en
Application granted granted Critical
Publication of US2673153A publication Critical patent/US2673153A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • fluorescent materials can be The anthracene can advantageously be added added to the film base of photographic elements. to a viscous solution or dope of the cellulose
  • a viscous solution or dope of the cellulose For example, Michaehs U. S. Patent 2,311,492, ester, and the composition agitated until homoelement containing a fluorescent material, such be added in solid form, or in the form of a soluthe amount of anthracene used cannot be as systematically controlled and the anthracene is easily removed from the film base during handling.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
US191017A 1950-10-19 1950-10-19 Photographic element and method of identification Expired - Lifetime US2673153A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE506514D BE506514A (ru) 1950-10-19
US191017A US2673153A (en) 1950-10-19 1950-10-19 Photographic element and method of identification
FR1044017D FR1044017A (fr) 1950-10-19 1951-10-19 Procédé perfectionné de marquage de produits photographiques et produits en résultant
GB24449/51A GB701281A (en) 1950-10-19 1951-10-19 Improvements in the identification of photographic materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US191017A US2673153A (en) 1950-10-19 1950-10-19 Photographic element and method of identification

Publications (1)

Publication Number Publication Date
US2673153A true US2673153A (en) 1954-03-23

Family

ID=22703786

Family Applications (1)

Application Number Title Priority Date Filing Date
US191017A Expired - Lifetime US2673153A (en) 1950-10-19 1950-10-19 Photographic element and method of identification

Country Status (4)

Country Link
US (1) US2673153A (ru)
BE (1) BE506514A (ru)
FR (1) FR1044017A (ru)
GB (1) GB701281A (ru)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2917385A (en) * 1955-08-26 1959-12-15 Haloid Xerox Inc Reflex xerography
US2950256A (en) * 1955-11-09 1960-08-23 Ncr Co Readily removable marking composition for record material
US3002835A (en) * 1958-07-30 1961-10-03 Gen Aniline & Film Corp Photoconductive recording element
US3282697A (en) * 1961-10-17 1966-11-01 Agfa Ag Transparent intensifier foils for use with photographic materials for recording x-rays, gamma-rays or corpuscular rays
US3867302A (en) * 1971-12-24 1975-02-18 Sinloihi Co Ltd Organic phosphors and process for production thereof
US4115124A (en) * 1974-09-06 1978-09-19 Eastman Kodak Company Method of immobilizing optical brighteners

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1973488A (en) * 1930-05-29 1934-09-11 Eastman Kodak Co Lacquer
US2262492A (en) * 1939-06-06 1941-11-11 Plymouth Cordage Co Label
US2331492A (en) * 1938-06-13 1943-10-12 Chromogen Inc Process and material for printing photographic images
US2508295A (en) * 1945-11-08 1950-05-16 Gen Aniline & Film Corp Photographic filter layer for absorbing ultraviolet radiations
US2511462A (en) * 1946-06-11 1950-06-13 Technicolor Motion Picture Light-sensitive photographic element having a fluorescent layer and method of using the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1973488A (en) * 1930-05-29 1934-09-11 Eastman Kodak Co Lacquer
US2331492A (en) * 1938-06-13 1943-10-12 Chromogen Inc Process and material for printing photographic images
US2262492A (en) * 1939-06-06 1941-11-11 Plymouth Cordage Co Label
US2508295A (en) * 1945-11-08 1950-05-16 Gen Aniline & Film Corp Photographic filter layer for absorbing ultraviolet radiations
US2511462A (en) * 1946-06-11 1950-06-13 Technicolor Motion Picture Light-sensitive photographic element having a fluorescent layer and method of using the same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2917385A (en) * 1955-08-26 1959-12-15 Haloid Xerox Inc Reflex xerography
US2950256A (en) * 1955-11-09 1960-08-23 Ncr Co Readily removable marking composition for record material
US3002835A (en) * 1958-07-30 1961-10-03 Gen Aniline & Film Corp Photoconductive recording element
US3282697A (en) * 1961-10-17 1966-11-01 Agfa Ag Transparent intensifier foils for use with photographic materials for recording x-rays, gamma-rays or corpuscular rays
US3867302A (en) * 1971-12-24 1975-02-18 Sinloihi Co Ltd Organic phosphors and process for production thereof
US4115124A (en) * 1974-09-06 1978-09-19 Eastman Kodak Company Method of immobilizing optical brighteners

Also Published As

Publication number Publication date
FR1044017A (fr) 1953-11-13
BE506514A (ru)
GB701281A (en) 1953-12-23

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