BE523920A - - Google Patents

Info

Publication number: BE523920A
Authority: BE; Belgium

Application number

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.)

1952-10-31

Publication of BE523920A publication Critical patent/BE523920A/xx

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

BE523920D 1952-10-31 BE523920A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US317865A US2685512A (en)	1952-10-31	1952-10-31	Photographic element containing arylidene derivative of fluorene

Publications (1)

Publication Number	Publication Date
BE523920A true BE523920A (en)

Family

ID=23235587

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE523920D BE523920A (en)	1952-10-31

Country Status (4)

Country	Link
US (1)	US2685512A (en)
BE (1)	BE523920A (en)
FR (1)	FR1094899A (en)
GB (1)	GB735417A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2784087A (en) *	1954-09-20	1957-03-05	Eastman Kodak Co	Photographic light sensitive elements containing ultra-violet filters
DE1071477B (en) *	1956-11-26
WO2013103139A1 (en)	2012-01-06	2013-07-11	コニカミノルタアドバンストレイヤー株式会社	Film mirror, film mirror manufacturing method, film mirror for photovoltaic power generation, and reflection device for photovoltaic power generation

0
- BE BE523920D patent/BE523920A/xx unknown
1952
- 1952-10-31 US US317865A patent/US2685512A/en not_active Expired - Lifetime
1953
- 1953-10-30 FR FR1094899D patent/FR1094899A/en not_active Expired
- 1953-10-30 GB GB30107/53A patent/GB735417A/en not_active Expired

Also Published As

Publication number	Publication date
GB735417A (en)	1955-08-17
US2685512A (en)	1954-08-03
FR1094899A (en)	1955-05-25

Publication	Publication Date	Title
FR999427A (en)	1952-01-30
AT192345B (en)	1957-10-10
AT173165B (en)	1952-11-25
FR55303E (en)	1952-01-04
FR999392A (en)	1952-01-31
IT505267A (en)
FR57016E (en)	1952-11-03
DE1231442C2 (en)	1967-08-10
FR1000249A (en)	1952-02-11
FR1015386A (en)	1952-10-03
AT198884B (en)	1958-07-25
FR999075A (en)	1952-01-25
AT192434B (en)	1957-10-25
NL94445C (en)
BE517178A (en)
BE522779A (en)
BE520189A (en)
BE519010A (en)
BE340650A (en)
BE523920A (en)
BE525178A (en)
BE518199A (en)
BE523268A (en)
NL95901C (en)
BE524121A (en)