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Silver Dye Bleach Photography | SpringerLink
- https://link.springer.com/chapter/10.1007/978-3-662-09130-2_21
- Extensive efforts to apply such silver dye bleach reactions to practical photography had been made by Gaspar so that a vast number of patents had appeared, as summarized in several reviews [2,3]. 1 For example, he (or his coworker) disclosed thiocarbamide (thiourea), semicarbazide (NH 2 NHCONH 2), etc. [4], amidol (2,4diaminophenol ...
Silver Dye Bleach Photography
- https://www.researchgate.net/publication/302398061_Silver_Dye_Bleach_Photography
- The beginning of silver dye bleach photography can be ascribed to Cristenson’s patent on the reductive cleavage of an azo dye, which was caused by …
Silver Dye-Bleach Prints | The Art Institute of Chicago
- https://archive.artic.edu/irvingpennarchives/silver/
- 1 The text for silver-dye bleach prints is taken from an handout defining technical terms produced by the Department of Photography at the Art Institute of Chicago to accompany the exhibit When Color Was New, February 24–April 29, 2007.. Irving Penn. Still Life with Triangle and Eraser, New York, January 23, 1985.Gift of Irving Penn, 1996.175.
GB2017324A - Photographic silver dye bleach process
- https://patents.google.com/patent/GB2017324A/en
- A photographic silver dye bleach process comprises (a) imagewise exposing a material comprising, in order, a supercoat layer, a silver halide emulsion layer, a layer containing a bleachable image dye and a support, (b) black and white developing and, (c) silver dye bleaching in the presence of a silver dye bleach catalyst. Dye bleach catalysts described are diazine …
Silver Dye Bleach Photography | Semantic Scholar
- https://www.semanticscholar.org/paper/Silver-Dye-Bleach-Photography-Fujita/8e7ee85be3193506c05925b69ae9ea3374bd00cf
- The beginning of silver dye bleach photography can be ascribed to Cristenson’s patent on the reductive cleavage of an azo dye, which was caused by sodium hydrosulfite, stannous chloride etc. in the presence of image silver [1]. Extensive efforts to apply such silver dye bleach reactions to practical photography had been made by Gaspar so that a vast number of patents had …
GB1327684A - Photographic silver dye-bleach process
- https://patents.google.com/patent/GB1327684A/nl
- GB1327684A GB3143671A GB3143671A GB1327684A GB 1327684 A GB1327684 A GB 1327684A GB 3143671 A GB3143671 A GB 3143671A GB 3143671 A GB3143671 A GB 3143671A GB 1327684 A GB1327684 A GB 1327684A Authority GB United Kingdom Prior art keywords dye image halide emulsion free silver halide Prior art date 1970-07-07 Legal status (The legal …
ZA728077B - Dye bleach preparation for the photographic …
- https://patents.google.com/patent/ZA728077B/en
- dye bleach photographic silver bleach dye silver dye Prior art date 1971-11-29 Application number ZA728077A Inventor H Schaller R Kurzen 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 ...
Cibachrome (the Silver Dye Bleach Process)
- https://www.photomemorabilia.co.uk/Ilford/Cibachrome.html
- Originally called Cilchrome ( 'Cil' derived from the names Ciba, Ilford and Lumière) the eventual product name reverted to Cibachrome (1969 in the UK). A processing procedure for “Cilchrome” was published in the British Journal of Photography for 19th June 1964, by E.Ch. Gehret .
GB1502669A - Photographic multicolour silver dye bleach …
- https://patents.google.com/patent/GB1502669A/en
- silver dye dye bleach multicolour photographic Prior art date 1974-10-28 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 GB44101/75A Current Assignee (The listed assignees may ...
CHAPTER GASPARCOLOR AND THE SILVER-DYE- BLEACH …
- https://filmcolors.org/wp-content/uploads/2013/05/Friedmann_HistoryColorPhotography_1945_Gasparcolor_print.pdf
- CHAPTER 24 GASPARCOLOR ANDTHESILVER-DYE- BLEACH PROCESS JPINELY divided silver canact asacatalyst.Ithas been proposed to utilize this property inthedestruction ortheformation ofdyes, insitu with the image. These efforts culminated inthe successful Gasparcolor process, although asutilized byDr.Caspar itisdoubtful ifatruly catalyzed reaction isinvolved. There islittle …
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