Title:
PRESSURE-SENSITIVE RECORD SYSTEM AND COMPOSITIONS
United States Patent 3427180

Inventors:
Phillips Jr., Paul S.
Publication Date:
02/11/1969
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Assignee:
NCR CO
Primary Class:
503/204
Other Classes:
503/218, 264/42, 428/402.220, 264/4.400, 428/402.200
International Classes:
B01J13/02; B41M5/132; B41M5/22; B41M5/16
US Patent References:
3020171Pressure-sensitive record and transfer sheet material
3168864Lithographic printing plate and method of producing an image thereon
3223546Color-reactable inorganic adsorbent pigment and coating composition containing the same
3287154Pressure responsive record materials




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