CH219952A - A method of color development of a multilayer material for color photography. - Google Patents

A method of color development of a multilayer material for color photography.

Info

Publication number: CH219952A
Authority: CH; Switzerland
Prior art keywords: color; multilayer material; photography; color development; development
Prior art date: 1938-09-02

Application number

Other languages

German (de)

Inventor

Aktiengesellsc Farbenindustrie

Original Assignee

Ig Farbenindustrie 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.)

1938-09-02

Filing date

1939-09-02

Publication date

1942-03-15

1939-09-02 Application filed by Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag

1942-03-15 Publication of CH219952A publication Critical patent/CH219952A/en

Links

CH219952D 1938-09-02 1939-09-02 A method of color development of a multilayer material for color photography. CH219952A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DEI0062380		1938-09-02
DEI0065112		1939-07-11

Publications (1)

Publication Number	Publication Date
CH219952A true CH219952A (en)	1942-03-15

Family

ID=25982095

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CH223973D CH223973A (en)	1938-09-02	1939-09-02	Developing solution for color developing a material for color photography.
CH219952D CH219952A (en)	1938-09-02	1939-09-02	A method of color development of a multilayer material for color photography.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CH223973D CH223973A (en)	1938-09-02	1939-09-02	Developing solution for color developing a material for color photography.

Country Status (4)

Country	Link
US (1)	US2286662A (en)
BE (1)	BE436252A (en)
CH (2)	CH223973A (en)
FR (1)	FR860020A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE967543C (en) *	1955-05-07	1957-11-21	C Schleussner Fotowerke G M B	Process for the production of photographic direct-positive single and multicolor images by means of chromogenic development

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE766135C (en) *	1941-09-22	1954-01-04	Ig Farbenindustrie Ag	Procedure for avoiding color fogging during color development
US2430254A (en) *	1942-12-23	1947-11-04	Rca Corp	Fibrous sheet material for producing dyes thereon by electrolytic oxidation
US2433632A (en) *	1942-12-23	1947-12-30	Rca Corp	Fibrous sheet material for the electrolytic formation of azo dye image records thereon
US2435700A (en) *	1942-12-23	1948-02-10	Nellie W Solomon	Process of electrolytically producing azo dyes on a fibrous sheet material and the fibrous sheet material for said process
US2440526A (en) *	1942-12-23	1948-04-27	Nellie W Solomon	Fibrous sheet material for the electrolytic formation of an azo dyestuff thereon
US2419975A (en) *	1943-08-26	1947-05-06	Eastman Kodak Co	Increasing speed and contrast of photographic emulsions
GB571174A (en) *	1944-02-03	1945-08-09	Douglas James Fry	Improvements in or relating to the production of photographic light-sensitive emulsions
US2449153A (en) *	1944-04-03	1948-09-14	Urbach Franz	Photographic silver bromide emulsion sensitized with cysteine
US2440954A (en) *	1945-08-23	1948-05-04	Du Pont	Process for eliminating stain from color-yielding elements by treatment with aromatic aldehydes containing an acyl group
BE562088A (en) *	1956-11-05
NL226676A (en) *	1957-04-17
US3168400A (en) *	1961-05-22	1965-02-02	Eastman Kodak Co	Rapid processing of photographic color materials
GB1560005A (en) *	1976-08-11	1980-01-30	Fuji Photo Film Co Ltd	Silver halide photographic emulsions
JPS5952817B2 (en) *	1977-09-06	1984-12-21	富士写真フイルム株式会社	How to form high contrast photographic images
US4192678A (en) *	1978-11-15	1980-03-11	Eastman Kodak Company	N-alkyl- or N-aryl-benzisoxazolone scavenger compounds
US4192679A (en) *	1978-11-15	1980-03-11	Eastman Kodak Company	Bifunctional benzisoxazolone compounds
AU2019293531B2 (en)	2018-06-29	2025-05-08	Smart Wave Technologies, Inc.	Pest control system having event monitoring

0
- BE BE436252D patent/BE436252A/xx unknown
1939
- 1939-08-30 US US292608A patent/US2286662A/en not_active Expired - Lifetime
- 1939-09-02 CH CH223973D patent/CH223973A/en unknown
- 1939-09-02 CH CH219952D patent/CH219952A/en unknown
- 1939-09-02 FR FR860020D patent/FR860020A/en not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE967543C (en) *	1955-05-07	1957-11-21	C Schleussner Fotowerke G M B	Process for the production of photographic direct-positive single and multicolor images by means of chromogenic development

Also Published As

Publication number	Publication date
FR860020A (en)	1941-01-04
US2286662A (en)	1942-06-16
BE436252A (en)
CH223973A (en)	1942-10-31

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