Title:
DIFFUSION TRANSFER EMPLOYING RINGCLOSURE TO RELEASE COLOR-PROVIDING MATERIAL FOR TRANSFER
United States Patent 3443940
US Patent References:
Color diffusion transfer photographic products and processes utilizing an image receiving element containing a polymeric acid layer
- - 3362819
Color diffusion transfer photographic products and processes utilizing an image receiving element containing a polymeric acid layer
- - 3362819
Inventors:
Bloom, Stanley M.
Rogers, Howard G.
Rogers, Howard G.
Publication Date:
05/13/1969
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Export Citation:
Assignee:
POLAROID CORP
Primary Class:
Other Classes:
562/43, 430/559, 430/214, 562/435, 430/376, 430/242
International Classes:
C07C205/59; C09B1/515; C09B1/54; C09B43/00; C09B43/32; C09B45/16; G03C8/04; G03C8/08; G03C8/12; C07C205/00; C09B1/00; C09B45/00; G03C8/02; G03C7/30