CH291535A - Process for the direct production of positives. - Google Patents

Process for the direct production of positives.

Info

Publication number: CH291535A
Authority: CH; Switzerland
Prior art keywords: positives; direct production; direct; production
Prior art date: 1950-03-29

Application number

Other languages

German (de)

Inventor

Bayer Farbenfabriken

Original Assignee

Bayer 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.)

1950-03-29

Filing date

1951-01-25

Publication date

1953-06-30

1951-01-25 Application filed by Bayer Ag filed Critical Bayer Ag

1953-06-30 Publication of CH291535A publication Critical patent/CH291535A/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
- G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
- G03C8/02—Photosensitive materials characterised by the image-forming section
- G03C8/04—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of inorganic or organo-metallic compounds derived from photosensitive noble metals
- G03C8/06—Silver salt diffusion transfer

Landscapes

Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Photosensitive Polymer And Photoresist Processing (AREA)
Silver Salt Photography Or Processing Solution Therefor (AREA)

CH291535D 1950-03-29 1951-01-25 Process for the direct production of positives. CH291535A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DEF1158A DE825349C (en)	1950-03-29	1950-03-29	Process for the direct production of positives

Publications (1)

Publication Number	Publication Date
CH291535A true CH291535A (en)	1953-06-30

Family

ID=7082742

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH291535D CH291535A (en)	1950-03-29	1951-01-25	Process for the direct production of positives.

Country Status (6)

Country	Link
US (1)	US2709135A (en)
BE (1)	BE502129A (en)
CH (1)	CH291535A (en)
DE (1)	DE825349C (en)
FR (1)	FR1080425A (en)
GB (1)	GB701051A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3250619A (en) *	1962-06-25	1966-05-10	Eastman Kodak Co	Stain-free paper

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2500421A (en) *	1944-11-03	1950-03-14	Polaroid Corp	Photographic silver halide transfer process
US2543181A (en) *	1947-01-15	1951-02-27	Polaroid Corp	Photographic product comprising a rupturable container carrying a photographic processing liquid
US2584030A (en) *	1947-02-07	1952-01-29	Polaroid Corp	Light sensitive silver halide photographic product for image transfer and process utilizing the same
US2647056A (en) *	1948-02-12	1953-07-28	Polaroid Corp	One step photographic transfer process
US2635048A (en) *	1948-07-06	1953-04-14	Polaroid Corp	Photographic transfer product and process

0
- BE BE502129D patent/BE502129A/xx unknown
1950
- 1950-03-29 DE DEF1158A patent/DE825349C/en not_active Expired
1951
- 1951-01-25 CH CH291535D patent/CH291535A/en unknown
- 1951-03-28 US US217910A patent/US2709135A/en not_active Expired - Lifetime
- 1951-03-28 FR FR1080425D patent/FR1080425A/en not_active Expired
- 1951-03-29 GB GB7356/51A patent/GB701051A/en not_active Expired

Also Published As

Publication number	Publication date
BE502129A (en)
GB701051A (en)	1953-12-16
FR1080425A (en)	1954-12-09
DE825349C (en)	1951-12-17
US2709135A (en)	1955-05-24

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