Heat-sensitive copy sheet
United States Patent 3147134
US Patent References:
Recording material
- - 2519660
Pressure responsive record materials
- - 2730457
Process of applying a diazotype photoprinting material to a base and the resultant article
- - 2807545
Heat sensitive copy sheet
- - 2940866
Thermographic copying paper
- - 2967784
Recording material
- - 2519660
Pressure responsive record materials
- - 2730457
Process of applying a diazotype photoprinting material to a base and the resultant article
- - 2807545
Heat sensitive copy sheet
- - 2940866
Thermographic copying paper
- - 2967784
Inventors:
Clark, Bryce L.
Publication Date:
09/01/1964
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Export Citation:
Assignee:
MINNESOTA MINING & MFG
Primary Class:
Other Classes:
503/200, 430/964, 430/538, 430/495.100, 430/540, 428/907.700, 428/918, 428/913, 430/617
International Classes:
B41M5/48; B41M5/40
US Patent References:
| 3057999 | Thermographic copy paper and process |