Title:
Recording paper coated with microscopic capsules of coloring material, capsules and method of making
United States Patent 3016308

Inventors:
Norman, Macaulay
Publication Date:
01/09/1962
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Assignee:
MOORE BUSINESS FORMS INC
Primary Class:
Other Classes:
101/DIG.029, 106/31.330, 106/31.650, 428/327, 106/31.290, 264/4.400, 521/920, 101/491, 428/402.200, 264/4.600, 503/214, 503/215, 428/402.240, 430/138, 206/524.100, 428/402.220, 106/31.610, 106/31.690
International Classes:
B01J13/12; B41M5/165; B01J13/06
US Patent References:
2800458Oil-containing microscopic capsules and method of making them