CA674467A - Preparation of negative images - Google Patents

Preparation of negative images

Info

Publication number
CA674467A
CA674467A CA674467A CA674467DA CA674467A CA 674467 A CA674467 A CA 674467A CA 674467 A CA674467 A CA 674467A CA 674467D A CA674467D A CA 674467DA CA 674467 A CA674467 A CA 674467A
Authority
CA
Canada
Prior art keywords
preparation
negative images
images
negative
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
CA674467A
Inventor
R. Halpern Bernard
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Publication date
Application granted granted Critical
Publication of CA674467A publication Critical patent/CA674467A/en
Expired legal-status Critical Current

Links

CA674467A Preparation of negative images Expired CA674467A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA674467T

Publications (1)

Publication Number Publication Date
CA674467A true CA674467A (en) 1963-11-19

Family

ID=35974825

Family Applications (1)

Application Number Title Priority Date Filing Date
CA674467A Expired CA674467A (en) Preparation of negative images

Country Status (1)

Country Link
CA (1) CA674467A (en)

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