GB392424A - Improvements in or relating to photographic printing by ultraviolet light - Google Patents

Improvements in or relating to photographic printing by ultraviolet light

Info

Publication number
GB392424A
GB392424A GB27701/32A GB2770132A GB392424A GB 392424 A GB392424 A GB 392424A GB 27701/32 A GB27701/32 A GB 27701/32A GB 2770132 A GB2770132 A GB 2770132A GB 392424 A GB392424 A GB 392424A
Authority
GB
United Kingdom
Prior art keywords
per cent
rays
wavelength
triacetylcellulose
oct
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
GB27701/32A
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 GB392424A publication Critical patent/GB392424A/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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/08—Photoprinting; Processes and means for preventing photoprinting
    • 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
    • G03C1/795—Photosensitive materials characterised by the base or auxiliary layers the base being of macromolecular substances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Paints Or Removers (AREA)
  • Printing Methods (AREA)
GB27701/32A 1931-10-09 1932-10-05 Improvements in or relating to photographic printing by ultraviolet light Expired GB392424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE392424X 1931-10-09

Publications (1)

Publication Number Publication Date
GB392424A true GB392424A (en) 1933-05-18

Family

ID=6385577

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27701/32A Expired GB392424A (en) 1931-10-09 1932-10-05 Improvements in or relating to photographic printing by ultraviolet light

Country Status (2)

Country Link
GB (1) GB392424A (enrdf_load_stackoverflow)
NL (1) NL38205C (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563342A (en) * 1947-01-28 1951-08-07 Polaroid Corp Photographic product and process
US2635048A (en) * 1948-07-06 1953-04-14 Polaroid Corp Photographic transfer product and process
US2647055A (en) * 1946-11-06 1953-07-28 Polaroid Corp Photographic product and process for forming a white image viewable against a dark background
GB2196625A (en) * 1986-09-25 1988-05-05 Downing Nicholas Peter Damien Ultra violet transmitting means

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2647055A (en) * 1946-11-06 1953-07-28 Polaroid Corp Photographic product and process for forming a white image viewable against a dark background
US2563342A (en) * 1947-01-28 1951-08-07 Polaroid Corp Photographic product and process
US2635048A (en) * 1948-07-06 1953-04-14 Polaroid Corp Photographic transfer product and process
GB2196625A (en) * 1986-09-25 1988-05-05 Downing Nicholas Peter Damien Ultra violet transmitting means

Also Published As

Publication number Publication date
NL38205C (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US2515937A (en) Photosensitive gold glass and method of making it
US2515940A (en) Photosensitive opal glass
US2515941A (en) Photosensitive opal glass
US2515943A (en) Photosensitive glass article and composition and method for making it
Withrow et al. Filters for the isolation of narrow regions in the visible and near-visible spectrum
US4118214A (en) Treating polychromatic glass in reducing atmospheres
US2326012A (en) Glass article and method of making it
US2515936A (en) Silver-containing photosensitive glass
ES8205467A1 (es) Perfeccionamientos introducidos en la fabricacion de lentes para reducir la incomodidad.procedente de la afacia y cier- tas enfermedades del ojo
GB392424A (en) Improvements in or relating to photographic printing by ultraviolet light
ES318857A1 (es) PROCEDIMIENTO PARA LA PREPARACION DE AGENTES DE SORCIoN
US2569793A (en) Ultraviolet irradiation
US2862131A (en) Glass for glow discharge lamps such as fluorescent luminescent lamps and the like
US2515938A (en) Photosensitive copper glass and method of making it
GB368209A (en) Improvements in luminous electric discharge tubes
GB726813A (en) Improvements in or relating to glass composition
Muel et al. Chemical filters for narrow band UV irradiation between 235 and 300 nm
GB1432305A (en) High sensitive photographic mask material
GB1308925A (en) Process for producing positive images
US3706688A (en) Glass color filter for use under daylight color fluorescent light
Hosono et al. Photosensitive mechanism of dopant‐free, ultraviolet‐sensitive calcium aluminate glasses
GB890861A (en) Coloured photographic image protection and product therefor
SU420584A1 (ru) Фотохромное стекло
GB409164A (en) Improvements in methods of and sensitive materials for photographic printing
GB361388A (en) Improvements in or relating to photography