CH489026A - Photochromes Filter - Google Patents

Photochromes Filter

Info

Publication number
CH489026A
CH489026A CH1487365A CH1487365A CH489026A CH 489026 A CH489026 A CH 489026A CH 1487365 A CH1487365 A CH 1487365A CH 1487365 A CH1487365 A CH 1487365A CH 489026 A CH489026 A CH 489026A
Authority
CH
Switzerland
Prior art keywords
photochromic filter
photochromic
filter
Prior art date
Application number
CH1487365A
Other languages
German (de)
English (en)
Inventor
Franz Stamm Robert
Original Assignee
American Cyanamid 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
Application filed by American Cyanamid Co filed Critical American Cyanamid Co
Publication of CH489026A publication Critical patent/CH489026A/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/23—Photochromic filters
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CH1487365A 1964-10-30 1965-10-28 Photochromes Filter CH489026A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40871864A 1964-10-30 1964-10-30

Publications (1)

Publication Number Publication Date
CH489026A true CH489026A (de) 1970-04-15

Family

ID=23617464

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1487365A CH489026A (de) 1964-10-30 1965-10-28 Photochromes Filter

Country Status (5)

Country Link
BE (1) BE670870A (enrdf_load_stackoverflow)
CH (1) CH489026A (enrdf_load_stackoverflow)
DE (1) DE1472784A1 (enrdf_load_stackoverflow)
GB (1) GB1105825A (enrdf_load_stackoverflow)
NL (1) NL6513991A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3345639A1 (de) * 1983-12-16 1985-07-04 Optische Werke G. Rodenstock, 8000 München Optisches element mit phototropem ueberzug

Also Published As

Publication number Publication date
BE670870A (enrdf_load_stackoverflow) 1966-04-13
GB1105825A (en) 1968-03-13
DE1472784A1 (de) 1969-12-04
NL6513991A (enrdf_load_stackoverflow) 1966-05-02

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Legal Events

Date Code Title Description
PL Patent ceased