DE729267C - Filterschichten an oder in lichtempfindlichen Materialien - Google Patents

Filterschichten an oder in lichtempfindlichen Materialien

Info

Publication number
DE729267C
DE729267C DENDAT729267D DE729267DA DE729267C DE 729267 C DE729267 C DE 729267C DE NDAT729267 D DENDAT729267 D DE NDAT729267D DE 729267D A DE729267D A DE 729267DA DE 729267 C DE729267 C DE 729267C
Authority
DE
Germany
Prior art keywords
pyrrole
dye
ring
light
dyes
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.)
Active
Application number
DENDAT729267D
Other languages
German (de)
English (en)
Inventor
Leslie G S Brooker
Robert H Sprague
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.)
Kodak GmbH
Original Assignee
Kodak GmbH
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.)
Publication of DE729267C publication Critical patent/DE729267C/de
Active 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
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G03C1/83—Organic dyestuffs therefor
    • 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
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G03C1/83—Organic dyestuffs therefor
    • G03C1/832—Methine or polymethine dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pyrrole Compounds (AREA)
  • Laminated Bodies (AREA)
DENDAT729267D 1939-02-17 Filterschichten an oder in lichtempfindlichen Materialien Active DE729267C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5262/39A GB529440A (en) 1939-02-17 1939-02-17 Improvements in and relating to photographic elements having light screening substances therein

Publications (1)

Publication Number Publication Date
DE729267C true DE729267C (de)

Family

ID=9792773

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT729267D Active DE729267C (de) 1939-02-17 Filterschichten an oder in lichtempfindlichen Materialien

Country Status (5)

Country Link
US (1) US2298731A (US06653308-20031125-C00197.png)
BE (1) BE466374A (US06653308-20031125-C00197.png)
DE (1) DE729267C (US06653308-20031125-C00197.png)
FR (2) FR867411A (US06653308-20031125-C00197.png)
GB (1) GB529440A (US06653308-20031125-C00197.png)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511222A (en) * 1946-10-01 1950-06-13 Eastman Kodak Co Pyrrocoline polymethinecyanine dyes
US2515912A (en) * 1946-10-01 1950-07-18 Eastman Kodak Co Pyrrole dimethinecyanine dyes
US2515905A (en) * 1946-10-05 1950-07-18 Eastman Kodak Co Pyrrole dimethinecyanine dyes
BE481343A (US06653308-20031125-C00197.png) * 1947-03-21
US2496843A (en) * 1948-03-10 1950-02-07 Gen Aniline & Film Corp Photographic elements containing hydroxy heavy metal salts of trinuclear iminol cyanine dyes as filter and antihalation dyes
US2571775A (en) * 1948-04-03 1951-10-16 Eastman Kodak Co Pyrro-colinocarbocyanine dyes and process for the preparation thereof
US2622082A (en) * 1948-09-02 1952-12-16 Eastman Kodak Co Styryl photographic filter and antihalation dyes
US2695233A (en) * 1950-12-09 1954-11-23 Gen Aniline & Film Corp Irreversibly dischargeable photographic filter layers and method of processing film containing the same
US2725378A (en) * 1951-09-19 1955-11-29 Eastman Kodak Co Pyrrole dyes and methods of making them
US2739148A (en) * 1951-09-19 1956-03-20 Eastman Kodak Co Cyanine dyes containing a 3,5-diarylpyrrole nucleus and process of preparation
US2719088A (en) * 1951-11-14 1955-09-27 Eastman Kodak Co Photographic element containing silver salt-forming bleachable filter dyes
BE515452A (US06653308-20031125-C00197.png) * 1951-11-14
BE523921A (US06653308-20031125-C00197.png) * 1952-10-31
US2706193A (en) * 1952-11-22 1955-04-12 Eastman Kodak Co Merocyanine dyes and method of making them
US3099630A (en) * 1955-11-15 1963-07-30 Monsanto Chemicals Water-soluble polymethine salts
BE553661A (US06653308-20031125-C00197.png) * 1955-12-23
NL239859A (US06653308-20031125-C00197.png) * 1958-06-04
US2979501A (en) * 1959-05-18 1961-04-11 Ilford Ltd Methin dyes containing pyrroline nuclei
NL253100A (US06653308-20031125-C00197.png) * 1959-06-26
BE649903A (US06653308-20031125-C00197.png) * 1963-07-03
US3652283A (en) * 1968-05-13 1972-03-28 Gaf Corp Photographic materials containing anti-halation dyestuffs

Also Published As

Publication number Publication date
US2298731A (en) 1942-10-13
GB529440A (en) 1940-11-21
FR51568E (fr) 1943-02-05
BE466374A (US06653308-20031125-C00197.png)
FR867411A (fr) 1941-10-27

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