CA530180A - Methode pour obtenir des phototypes positifs utilisant de l'hydrazine dans l'emulsion - Google Patents

Methode pour obtenir des phototypes positifs utilisant de l'hydrazine dans l'emulsion

Info

Publication number
CA530180A
CA530180A CA530180A CA530180DA CA530180A CA 530180 A CA530180 A CA 530180A CA 530180 A CA530180 A CA 530180A CA 530180D A CA530180D A CA 530180DA CA 530180 A CA530180 A CA 530180A
Authority
CA
Canada
Prior art keywords
hydrazine
emulsion
direct positive
obtaining direct
positive photographs
Prior art date
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
CA530180A
Other languages
English (en)
Inventor
E. Ives Charles
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.)
Canadian Kodak Co Ltd
Original Assignee
Canadian Kodak Co Ltd
Publication date
Application granted granted Critical
Publication of CA530180A publication Critical patent/CA530180A/fr
Expired legal-status Critical Current

Links

CA530180A Methode pour obtenir des phototypes positifs utilisant de l'hydrazine dans l'emulsion Expired CA530180A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA530180T

Publications (1)

Publication Number Publication Date
CA530180A true CA530180A (fr) 1956-09-11

Family

ID=35683931

Family Applications (1)

Application Number Title Priority Date Filing Date
CA530180A Expired CA530180A (fr) Methode pour obtenir des phototypes positifs utilisant de l'hydrazine dans l'emulsion

Country Status (1)

Country Link
CA (1) CA530180A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4610959A (en) * 1984-02-20 1986-09-09 Fuji Photo Film Co., Ltd. Direct positive silver halide photographic materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4610959A (en) * 1984-02-20 1986-09-09 Fuji Photo Film Co., Ltd. Direct positive silver halide photographic materials

Similar Documents

Publication Publication Date Title
CA530180A (fr) Methode pour obtenir des phototypes positifs utilisant de l'hydrazine dans l'emulsion
CA525756A (fr) Methode et appareil de moulage
CA522162A (fr) Elements photographiques et procede pour leur preparation
CA530727A (fr) 4-amino-piperazines-1-substituees et methode pour leur preparation
CA538619A (fr) Methode pour determiner les contours d'images photographiques
CA559977A (fr) Composition et methode pour eliminer l'hypo des photographies
AU212944B2 (en) Improvements in or relating to apparatus to ptrovide photographic records of wells and the lie
AU216969B2 (en) Improvements relating to photographic methods and apparatus
CA530182A (fr) Element photographique et methode d'identification
CA549914A (fr) Methode de preparation d'emulsions photographiques
AU1789456A (en) Improvements in or relating to apparatus to ptrovide photographic records of wells and the lie
CA524605A (fr) Methode pour former une pellicule receptrice d'image pour usage en photographie
CA526317A (fr) Methodes et dispositifs pour traiter des emulsions
CA527749A (fr) 4-amino-piperazines 1-substituees et methode pour leur preparation
AU211462B2 (en) Improvements in methods of joining parts
CA529856A (fr) Benzoxazines substituees et methode pour leur preparation
CA533117A (fr) Methode et dispositif de moulage
CA524519A (fr) Elements photographiques et la preparation s'y rapportant
CA521105A (fr) Appareil et methode a chauffer le cristal de roche
CA520567A (fr) Unite de chauffage et methode de fabrication
CA523579A (fr) Appareil et methode de moulage et laminage
AU222300B2 (en) Photographic method
CA528671A (fr) Methode d'animation cinematographique
CA523881A (fr) Methode et appareil de separation de densite
CA542787A (fr) Methodes et dispositifs de traitement d'emulsion