US3345163A - Photographic diffusion transfer color processes - Google Patents

Photographic diffusion transfer color processes Download PDF

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Publication number
US3345163A
US3345163A US565135A US56513556A US3345163A US 3345163 A US3345163 A US 3345163A US 565135 A US565135 A US 565135A US 56513556 A US56513556 A US 56513556A US 3345163 A US3345163 A US 3345163A
Authority
US
United States
Prior art keywords
color
layer
dye
emulsion
image
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 - Lifetime
Application number
US565135A
Inventor
Edwin H Land
Howard G Rogers
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 date listed.)
Filing date
Publication date
Priority to US565135A priority Critical patent/US3345163A/en
Application filed by Polaroid Corp filed Critical Polaroid Corp
Priority to US59912256A priority
Priority to US607820A priority patent/US2997390A/en
Priority to US61205556A priority
Priority to US612051A priority patent/US3019107A/en
Priority to US61205256A priority
Priority to US61206356A priority
Priority to US61205456A priority
Priority to US61204556A priority
Priority to US61205356A priority
Priority to US98287A priority patent/US3236893A/en
Priority to US196463A priority patent/US3134811A/en
Application granted granted Critical
Publication of US3345163A publication Critical patent/US3345163A/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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