US3468664A - Heat processable photographic elements having water vapor-impermeable protective outer layer - Google Patents

Heat processable photographic elements having water vapor-impermeable protective outer layer Download PDF

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Publication number
US3468664A
US3468664A US3468664DA US3468664A US 3468664 A US3468664 A US 3468664A US 3468664D A US3468664D A US 3468664DA US 3468664 A US3468664 A US 3468664A
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US
United States
Prior art keywords
silver halide
pyrazolidone
layer
emulsion layer
sensitive
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
Inventor
Paul H Stewart
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 US80558259A priority Critical
Priority to US13401461A priority
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Priority to US17447262A priority
Priority to US221031A priority patent/US3312550A/en
Application granted granted Critical
Publication of US3468664A publication Critical patent/US3468664A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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