IT1048334B - PROCEDURE TO PRODUCE POSITIVE COLORED IMAGES MASKED ACCORDING TO THE SILVER COLOR WHITENING PROCESS - Google Patents

PROCEDURE TO PRODUCE POSITIVE COLORED IMAGES MASKED ACCORDING TO THE SILVER COLOR WHITENING PROCESS

Info

Publication number
IT1048334B
IT1048334B IT5191475A IT5191475A IT1048334B IT 1048334 B IT1048334 B IT 1048334B IT 5191475 A IT5191475 A IT 5191475A IT 5191475 A IT5191475 A IT 5191475A IT 1048334 B IT1048334 B IT 1048334B
Authority
IT
Italy
Prior art keywords
procedure
silver color
produce positive
colored images
whitening process
Prior art date
Application number
IT5191475A
Other languages
Italian (it)
Original Assignee
Ciba Geigy 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.)
Filing date
Publication date
Priority claimed from CH1440174A external-priority patent/CH596580A5/xx
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Application granted granted Critical
Publication of IT1048334B publication Critical patent/IT1048334B/en

Links

IT5191475A 1974-10-28 1975-10-24 PROCEDURE TO PRODUCE POSITIVE COLORED IMAGES MASKED ACCORDING TO THE SILVER COLOR WHITENING PROCESS IT1048334B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1440174A CH596580A5 (en) 1974-10-28 1974-10-28
CH1344575 1975-10-16

Publications (1)

Publication Number Publication Date
IT1048334B true IT1048334B (en) 1980-11-20

Family

ID=25712323

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5191475A IT1048334B (en) 1974-10-28 1975-10-24 PROCEDURE TO PRODUCE POSITIVE COLORED IMAGES MASKED ACCORDING TO THE SILVER COLOR WHITENING PROCESS

Country Status (1)

Country Link
IT (1) IT1048334B (en)

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