Title:
【発明の名称】銀塩写真像の安定化方法
Document Type and Number:
Japanese Patent JP2634646
Kind Code:
B2
Abstract:
Photographically produced black and white images (silver images) are stabilized against subsequent destruction of the image silver, in particular due to discoloration, by treating the finished silver image with an aqueous after treatment bath containing aminotetrazole or a mercaptotetrahydrotriazine.
Inventors:
BERUNAA BERUTORUTO
PAURU MARUKUSU
HANSU EERUSHUREEGAA
PAURU MARUKUSU
HANSU EERUSHUREEGAA
Application Number:
JP24116688A
Publication Date:
July 30, 1997
Filing Date:
September 28, 1988
Export Citation:
Assignee:
AGUFUA GEBERUTO AG
International Classes:
C07D251/08; C07D249/14; C07D257/04; C07D257/06; G03C5/00; G03C5/26; G03C5/38; G03C7/30; (IPC1-7): G03C5/46; G03C11/00
Domestic Patent References:
| JP55137529A | ||||
| JP60242453A | ||||
| JP6380248A |
Other References:
【文献】米国特許3712818(US,A)
Attorney, Agent or Firm:
Heiyoshi Odashima