CH484454A - Process for developing silver photographic images - Google Patents

Process for developing silver photographic images

Info

Publication number: CH484454A
Authority: CH; Switzerland
Prior art keywords: photographic images; silver photographic; developing silver; developing; images
Prior art date: 1967-04-20

Application number

CH565567A

Other languages

German (de)

Inventor

Heinrich Dr Schaller

Matthias Dr Schellenberg

Schumacher Ernst Dr Prof

Rolf Dr Steiger

Reinhard Dr Steinmetz

Original Assignee

Ciba Geigy

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.)

1967-04-20

Filing date

1967-04-20

Publication date

1970-01-15

1967-04-20 Application filed by Ciba Geigy filed Critical Ciba Geigy

1967-04-20 Priority to CH565567A priority Critical patent/CH484454A/en

1968-03-14 Priority to CH376568A priority patent/CH541822A/en

1968-04-02 Priority to DE1772123A priority patent/DE1772123C2/en

1968-04-04 Priority to US718927A priority patent/US3574621A/en

1968-04-17 Priority to FR1565800D priority patent/FR1565800A/fr

1968-04-19 Priority to AT382268A priority patent/AT285320B/en

1968-04-19 Priority to ES352895A priority patent/ES352895A1/en

1968-04-19 Priority to GB08659/68A priority patent/GB1183176A/en

1968-04-19 Priority to BE713975D priority patent/BE713975A/xx

1968-04-19 Priority to NL6805576.A priority patent/NL162488C/en

1970-01-15 Publication of CH484454A publication Critical patent/CH484454A/en

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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/30—Developers
- G03C5/3028—Heterocyclic compounds

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Nitrogen Condensed Heterocyclic Rings (AREA)
Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Plural Heterocyclic Compounds (AREA)

CH565567A 1967-04-20 1967-04-20 Process for developing silver photographic images CH484454A (en)

Priority Applications (10)

Application Number	Priority Date	Filing Date	Title
CH565567A CH484454A (en)	1967-04-20	1967-04-20	Process for developing silver photographic images
CH376568A CH541822A (en)	1967-04-20	1968-03-14	Developing pictures - using 1,4-diazines reduced to dihydro stage to release silver from silver salts
DE1772123A DE1772123C2 (en)	1967-04-20	1968-04-02	Process for developing recording materials containing silver halide
US718927A US3574621A (en)	1967-04-20	1968-04-04	Process for the development of photographic silver images in acid medium 1,4-diazine
FR1565800D FR1565800A (en)	1967-04-20	1968-04-17
AT382268A AT285320B (en)	1967-04-20	1968-04-19	Process for developing silver photographic images
ES352895A ES352895A1 (en)	1967-04-20	1968-04-19	Procedure to reveal of silver salts argentic photographic images. (Machine-translation by Google Translate, not legally binding)
GB08659/68A GB1183176A (en)	1967-04-20	1968-04-19	Process for the Development of Photographic Silver Images
BE713975D BE713975A (en)	1967-04-20	1968-04-19
NL6805576.A NL162488C (en)	1967-04-20	1968-04-19	METHOD FOR DEVELOPING PHOTOGRAPHIC SILVER IMAGES USING ORGANIC REDUCTION AGENTS.

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH565567A CH484454A (en)	1967-04-20	1967-04-20	Process for developing silver photographic images

Publications (1)

Publication Number	Publication Date
CH484454A true CH484454A (en)	1970-01-15

Family

ID=4297206

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH565567A CH484454A (en)	1967-04-20	1967-04-20	Process for developing silver photographic images

Country Status (8)

Country	Link
US (1)	US3574621A (en)
AT (1)	AT285320B (en)
BE (1)	BE713975A (en)
CH (1)	CH484454A (en)
DE (1)	DE1772123C2 (en)
FR (1)	FR1565800A (en)
GB (1)	GB1183176A (en)
NL (1)	NL162488C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1266639A (en) *	1969-10-17	1972-03-15
US4172723A (en) *	1977-07-20	1979-10-30	De Luxe General, Incorporated	Auxiliary developer processing
DE2846688A1 (en) *	1977-10-28	1979-05-03	Ciba Geigy Ag	METHOD FOR PRODUCING PHOTOGRAPHICAL IMAGES
NL7810745A (en) *	1977-10-28	1979-05-02	Ciba Geigy	PROCESS FOR THE MANUFACTURE OF PHOTOGRAPHIC IMAGES.
NL7901377A (en) *	1978-02-28	1979-08-30	Ciba Geigy	PROCESS FOR THE PRODUCTION OF PHOTOGRAPHIC IMAGES BY DYE DIFFUSION TRANSFER AND PHOTOGRAPHIC MATERIAL SUITABLE FOR THIS METHOD.
GB1572334A (en) *	1978-05-25	1980-07-30	Ciba Geigy Ag	Electrolytic production of active diazine species
US4420551A (en) *	1983-01-31	1983-12-13	Polaroid Corporation	Novel benzotriazine developers and photographic product and method
DE3721739A1 (en) *	1987-07-01	1989-01-12	Igor Groza	Digital recording cassette

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT236226B (en) *	1961-01-20	1964-10-12	Gevaert Photo Prod Nv	Process for developing an exposed photographic silver halide emulsion layer

1967
- 1967-04-20 CH CH565567A patent/CH484454A/en not_active IP Right Cessation
1968
- 1968-04-02 DE DE1772123A patent/DE1772123C2/en not_active Expired
- 1968-04-04 US US718927A patent/US3574621A/en not_active Expired - Lifetime
- 1968-04-17 FR FR1565800D patent/FR1565800A/fr not_active Expired
- 1968-04-19 NL NL6805576.A patent/NL162488C/en not_active IP Right Cessation
- 1968-04-19 BE BE713975D patent/BE713975A/xx not_active IP Right Cessation
- 1968-04-19 GB GB08659/68A patent/GB1183176A/en not_active Expired
- 1968-04-19 AT AT382268A patent/AT285320B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
BE713975A (en)	1968-10-21
FR1565800A (en)	1969-05-02
NL162488B (en)	1979-12-17
AT285320B (en)	1970-10-27
DE1772123C2 (en)	1982-09-23
NL162488C (en)	1980-05-16
DE1772123A1 (en)	1971-02-18
NL6805576A (en)	1968-10-21
GB1183176A (en)	1970-03-04
US3574621A (en)	1971-04-13

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Legal Events

Date	Code	Title	Description
1985-12-31	PL	Patent ceased