NL275770A - - Google Patents

Info

Publication number: NL275770A
Authority: NL; Netherlands

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.)

1961-03-10

Publication of NL275770A publication Critical patent/NL275770A/xx

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains three hetero rings
- C07D471/14—Ortho-condensed systems
- 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
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/485—Direct positive emulsions

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Physical Or Chemical Processes And Apparatus (AREA)
Plural Heterocyclic Compounds (AREA)
Silver Salt Photography Or Processing Solution Therefor (AREA)
Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

NL275770D 1961-03-10 NL275770A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8928/61A GB940152A (en)	1961-03-10	1961-03-10	Direct positive photographic materials

Publications (1)

Publication Number	Publication Date
NL275770A true NL275770A (enrdf_load_html_response)

Family

ID=9862028

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL275770D NL275770A (enrdf_load_html_response)	1961-03-10
NL120472D NL120472C (enrdf_load_html_response)	1961-03-10

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL120472D NL120472C (enrdf_load_html_response)	1961-03-10

Country Status (4)

Country	Link
US (1)	US3124458A (enrdf_load_html_response)
DE (1)	DE1170779B (enrdf_load_html_response)
GB (1)	GB940152A (enrdf_load_html_response)
NL (2)	NL120472C (enrdf_load_html_response)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3326687A (en) *	1964-11-10	1967-06-20	Eastman Kodak Co	Photographic colloid transfer system
US3642477A (en) *	1969-04-24	1972-02-15	Keuffel & Esser Co	Imaging method
US3628958A (en) *	1970-03-02	1971-12-21	Eastman Kodak Co	Bipyridinium compound/nitrosubstituted n-heterocyclic compound desensitized silver halide emulsion
JPS5647544B2 (enrdf_load_html_response) *	1973-03-27	1981-11-10
US4036649A (en) *	1976-06-17	1977-07-19	E. I. Du Pont De Nemours And Company	Silver halide emulsion sensitized with a fused diazepine
US4539291A (en) *	1982-12-24	1985-09-03	Fuji Photo Film Co., Ltd.	Direct positive silver halide photographic materials
US6338940B1 (en) *	1998-06-26	2002-01-15	Konica Corporation	Silver halide photographic light sensitive materials and image forming method by use thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL110449C (enrdf_load_html_response) *	1957-08-19
NL127363C (enrdf_load_html_response) *	1958-11-12

0
- NL NL275770D patent/NL275770A/xx unknown
- NL NL120472D patent/NL120472C/xx active
- US US3124458D patent/US3124458A/en not_active Expired - Lifetime
1961
- 1961-03-10 GB GB8928/61A patent/GB940152A/en not_active Expired
1962
- 1962-03-09 DE DEJ21412A patent/DE1170779B/de active Pending

Also Published As

Publication number	Publication date
DE1170779B (de)	1964-05-21
US3124458A (en)	1964-03-10
GB940152A (en)	1963-10-23
NL120472C (enrdf_load_html_response)

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