[go: up one dir, main page]

GB409164A - Improvements in methods of and sensitive materials for photographic printing - Google Patents

Improvements in methods of and sensitive materials for photographic printing

Info

Publication number
GB409164A
GB409164A GB19189/33A GB1918933A GB409164A GB 409164 A GB409164 A GB 409164A GB 19189/33 A GB19189/33 A GB 19189/33A GB 1918933 A GB1918933 A GB 1918933A GB 409164 A GB409164 A GB 409164A
Authority
GB
United Kingdom
Prior art keywords
pyrocatechine
lamp
lithium nitrate
collodion
july
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
GB19189/33A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB409164A publication Critical patent/GB409164A/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
    • G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printing Methods (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
GB19189/33A 1932-07-13 1933-07-06 Improvements in methods of and sensitive materials for photographic printing Expired GB409164A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE409164X 1932-07-13

Publications (1)

Publication Number Publication Date
GB409164A true GB409164A (en) 1934-04-26

Family

ID=6422377

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19189/33A Expired GB409164A (en) 1932-07-13 1933-07-06 Improvements in methods of and sensitive materials for photographic printing

Country Status (3)

Country Link
BE (1) BE397294A (fr)
FR (1) FR758019A (fr)
GB (1) GB409164A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427443A (en) * 1943-06-04 1947-09-16 Dick Co Ab Light-sensitive layer and processes of making and exposing it

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427443A (en) * 1943-06-04 1947-09-16 Dick Co Ab Light-sensitive layer and processes of making and exposing it

Also Published As

Publication number Publication date
FR758019A (fr) 1934-01-09
BE397294A (fr)

Similar Documents

Publication Publication Date Title
US4118214A (en) Treating polychromatic glass in reducing atmospheres
Withrow et al. Filters for the isolation of narrow regions in the visible and near-visible spectrum
GB439005A (en) Improved methods of obtaining photographic contrasts by means of diazonium compounds and sensitive layers for use therein
Heller et al. Photochromism
GB409164A (en) Improvements in methods of and sensitive materials for photographic printing
US2569793A (en) Ultraviolet irradiation
GB368209A (en) Improvements in luminous electric discharge tubes
US2233429A (en) Method of producing beta-tetrachlor-ketonaphthalene
King thesis
GB392424A (en) Improvements in or relating to photographic printing by ultraviolet light
GB413093A (en) Method of making photographic prints
GB434761A (en) Improvements in or relating to the production of negative photographic prints by means of diazonium compounds
Venkateswaran The fluorescence of ruby, sapphire and emerald
GB361388A (en) Improvements in or relating to photography
JPS5840815B2 (ja) 陰極線管
GB491165A (en) Improvements relating to the viewing of pictures so as to obtain increased range of contrast
US1878684A (en) Ultra-violet sensitive paper
GB460895A (en) Improvements in the manufacture of electric resistance elements
JPS52109927A (en) Photographic light sensitive material
GB366883A (en) Improvements in or relating to electric discharge tubes
GB515838A (en) Improvements relating to the photographic development of silver halide layers
GB469091A (en) Art of producing changes in the characteristics of composition
GB536774A (en) Improvements in photographic flash lamps
King A new high-intensity excitation unit for the study of the Raman scattering of colored compounds
GB677772A (en) Improvements in or relating to the production of photographic images