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
Export Citation:
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Assignee:
MOORE BUSINESS FORMS INC
Primary Class:
503/200
Other Classes:
101/491, 101/DIG.29, 106/31.29, 106/31.33, 106/31.61, 106/31.65, 106/31.69, 206/524.1, 264/4.4, 264/4.6, 428/327, 428/402.2, 428/402.22, 428/402.24, 430/138, 503/214, 503/215, 521/920
International Classes:
B01J13/12; B41M5/165; B01J13/06; B41M5/165
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US Patent References:
2800458Oil-containing microscopic capsules and method of making them
2800457Oil-containing microscopic capsules and method of making them
2777798Stable fat-soluble vitamin-containing composition
2712507Pressure sensitive record material
2711375Pressure sensitive manifold sheet
2650895Spray dried vitamin a and d emulsion