BE442701A - - Google Patents

Info

Publication number: BE442701A
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.)

1940-10-09

Publication of BE442701A publication Critical patent/BE442701A/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
- G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
- G03C1/725—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing inorganic compounds
- 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
- G03C1/64—Compositions containing iron compounds as photosensitive substances
- 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
- G03C1/725—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing inorganic compounds
- G03C1/7256—Mercury salts
- 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
- G03C1/732—Leuco dyes

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Inorganic Chemistry (AREA)
Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Color Printing (AREA)

BE442701D 1940-10-09 BE442701A (pm)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US360444A US2324060A (en)	1940-10-09	1940-10-09	Photographic copying paper

Publications (1)

Publication Number	Publication Date
BE442701A true BE442701A (pm)

Family

ID=23417973

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE442701D BE442701A (pm)	1940-10-09

Country Status (3)

Country	Link
US (1)	US2324060A (pm)
BE (1)	BE442701A (pm)
GB (1)	GB546637A (pm)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2844465A (en) *	1954-03-17	1958-07-22	Chalkley Lyman	Photographic process
US2978352A (en) *	1957-07-25	1961-04-04	Du Pont	Production of triarylmethane colors
US3121632A (en) *	1961-08-30	1964-02-18	Horizons Inc	Photographic process and composition including leuco triphenylmethane dyes
US3140948A (en) *	1961-10-18	1964-07-14	Horizons Inc	Photography
US3184308A (en) *	1962-05-23	1965-05-18	Meyer S Agruss	Process for treating leucocyanide dye images and product thereof
US3408134A (en) *	1963-04-22	1968-10-29	American Optical Corp	Variable density light-filtering means utilizing stannous chloride and thiazine dye
US3418128A (en) *	1965-01-04	1968-12-24	Dietzgen Co Eugene	Photosensitive compositions comprising acid addition salts of substituted leucocyanide triphenylmethane dyes and metal perchlorates
EP0041540B1 (en) *	1979-12-07	1985-01-23	Minnesota Mining And Manufacturing Company	Color imaging system
BR8008970A (pt) *	1979-12-07	1981-10-20	Minnesota Mining & Mfg	Sistema de formacao de imagem termicamente revelavel, sensivel a luz
US4370401A (en) *	1979-12-07	1983-01-25	Minnesota Mining And Manufacturing Company	Light sensitive, thermally developable imaging system

0
- BE BE442701D patent/BE442701A/xx unknown
1940
- 1940-10-09 US US360444A patent/US2324060A/en not_active Expired - Lifetime
1941
- 1941-01-21 GB GB813/41A patent/GB546637A/en not_active Expired

Also Published As

Publication number	Publication date
GB546637A (en)	1942-07-22
US2324060A (en)	1943-07-13

Publication	Publication Date	Title
BE440256A (pm)	1941-01-28
IT380776B (pm)	1940-06-03
BE438794A (pm)	1940-07-31
BE437891A (pm)	1940-03-30
BE461568A (pm)	1945-12-31
NL115824B (pm)
BE439747A (pm)	1940-12-31
BE439618A (pm)
BE439533A (pm)	1948-04-17
BE439407A (pm)	1940-11-30
BE439378A (pm)	1940-10-31
BE439282A (pm)	1940-10-31
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BE439082A (pm)	1940-09-30
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NL55967C (pm)
NL137365B (pm)
BE440419A (pm)
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BE440185A (pm)
BE478419A (pm)
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