FR1176554A - Process for preparing direct positives by the silver salt diffusion process - Google Patents

Process for preparing direct positives by the silver salt diffusion process

Info

Publication number: FR1176554A
Authority: FR; France
Prior art keywords: silver salt; salt diffusion; preparing direct; direct positives; diffusion process
Prior art date: 1956-06-09
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

Other languages

Inventor

Edith Weyde

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.)

Agfa Gevaert NV

Original Assignee

Agfa AG

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.)

1956-06-09

Filing date

1957-06-06

Publication date

1959-04-13

1957-06-06 Application filed by Agfa AG filed Critical Agfa AG

1959-04-13 Application granted granted Critical

1959-04-13 Publication of FR1176554A publication Critical patent/FR1176554A/en

Status Expired legal-status Critical Current

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
- G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
- G03C8/24—Photosensitive materials characterised by the image-receiving section
- G03C8/26—Image-receiving layers
- G03C8/28—Image-receiving layers containing development nuclei or compounds forming such nuclei

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Photosensitive Polymer And Photoresist Processing (AREA)
Paper (AREA)
Duplication Or Marking (AREA)

FR1176554D 1956-06-09 1957-06-06 Process for preparing direct positives by the silver salt diffusion process Expired FR1176554A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DEA25069A DE1013965B (en)	1956-06-09	1956-06-09	Process for making direct positives using the silver salt diffusion process

Publications (1)

Publication Number	Publication Date
FR1176554A true FR1176554A (en)	1959-04-13

Family

ID=6925829

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1176554D Expired FR1176554A (en)	1956-06-09	1957-06-06	Process for preparing direct positives by the silver salt diffusion process

Country Status (6)

Country	Link
US (1)	US3043691A (en)
BE (1)	BE558193A (en)
CH (1)	CH357631A (en)
DE (1)	DE1013965B (en)
FR (1)	FR1176554A (en)
GB (1)	GB814154A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB998955A (en) *	1960-10-20	1965-07-21	Gevaert Photo Prod Nv	Silver salt diffusion transfer processes and materials for use therein
BE630995A (en) *	1960-11-16
NL275378A (en) *	1961-03-06
BE627760A (en) *	1962-01-31
US3203796A (en) *	1962-04-27	1965-08-31	Gevaert Photo Prod Nv	Use of starch ether layers in diffusion transfer processes
US3152906A (en) *	1962-05-07	1964-10-13	Du Pont	Gelatin silver halide compositions and elements containing a water-soluble hydroxyalkyl ether derivative of starch
DE1189382B (en) *	1963-12-27	1965-03-18	Agfa Ag	Photographic material having at least one halide silver emulsion layer
US3369901A (en) *	1964-01-16	1968-02-20	Eastman Kodak Co	Coating method for wash-off solvent transfer
GB1284445A (en) *	1969-04-03	1972-08-09	Kodak Ltd	Image-receiving materials for use in photographic diffusion transfer processes
JPS60170846A (en) *	1984-02-16	1985-09-04	Fuji Photo Film Co Ltd	Silver salt diffusion transfer image receiving material

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2148951A (en) *	1937-04-15	1939-02-28	Du Pont	Organic starch derivatives and process
US2409564A (en) *	1941-05-28	1946-10-15	Noc Mfg Company Di	Transfer material
US2316128A (en) *	1942-02-21	1943-04-06	Rohm & Haas	Water-soluble carboxyethyl starch ethers
US2698238A (en) *	1947-02-08	1954-12-28	Polaroid Corp	Photographic product and process
BE500540A (en) *	1950-01-13
GB748892A (en) *	1953-03-25	1956-05-16	Ozalid Co Ltd	Improvements in or relating to methods and materials for use in the migratory transfer of a photographic image
BE544850A (en) *	1955-02-07
US2834676A (en) *	1955-07-19	1958-05-13	Sperry Rand Corp	Photographic diffusion transfer process for producing multiple direct positive copies

0
- BE BE558193D patent/BE558193A/xx unknown
1956
- 1956-06-09 DE DEA25069A patent/DE1013965B/en active Pending
1957
- 1957-05-20 CH CH357631D patent/CH357631A/en unknown
- 1957-05-27 US US661606A patent/US3043691A/en not_active Expired - Lifetime
- 1957-06-06 FR FR1176554D patent/FR1176554A/en not_active Expired
- 1957-06-07 GB GB18212/57A patent/GB814154A/en not_active Expired

Also Published As

Publication number	Publication date
CH357631A (en)	1961-10-15
BE558193A (en)
DE1013965B (en)	1957-08-14
GB814154A (en)	1959-05-27
US3043691A (en)	1962-07-10

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