Title:
Heat-sensitive copying-paper
United States Patent 3080254
US Patent References:
Photographic developing with addition products to improve image quality
- - 2514650
Photographic process for the direct production of positive images
- - 2699393
Heat-sensitive copying-paper
- - 2910377
Photographic developing with addition products to improve image quality
- - 2514650
Photographic process for the direct production of positive images
- - 2699393
Heat-sensitive copying-paper
- - 2910377
Inventors:
Grant Jr., Edwin A.
Publication Date:
03/05/1963
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Export Citation:
Assignee:
MINNESOTA MINING & MFG
Primary Class:
Other Classes:
430/964, 430/965, 430/495.100, 428/535, 428/913, 430/346
International Classes:
G03C1/498