CA653457A - Process for the production of photographic images by the silver dyestuff bleaching process and photographic layers therefor
- Google Patents
Process for the production of photographic images by the silver dyestuff bleaching process and photographic layers therefor
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
CA653457A
Inventor
Dreyfuss Paul
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.)
BASF Schweiz AG
Original Assignee
Ciba AG
Publication date
Application grantedgrantedCritical
Publication of CA653457ApublicationCriticalpatent/CA653457A/en
CA653457AProcess for the production of photographic images by the silver dyestuff bleaching process and photographic layers therefor
ExpiredCA653457A
(en)