Title:
PRESSURE-SENSITIVE CAPSULE-CONTAINING FORAMINATED SHEET MATERIAL
United States Patent 3472675
US Patent References:
Manifold record material
- - 2730456
Oil-containing microscopic capsules and method of making them
- - 2800458
Recording paper coated with microscopic capsules of coloring material, capsules and method of making
- - 3016308
Pressure-sensitive record and transfer sheet material
- - 3020171
Method of manufacturing microscopic capsules having walls of alcohol-fractionated gelatin
- - 3041288
Manifold record material
- - 2730456
Oil-containing microscopic capsules and method of making them
- - 2800458
Recording paper coated with microscopic capsules of coloring material, capsules and method of making
- - 3016308
Pressure-sensitive record and transfer sheet material
- - 3020171
Method of manufacturing microscopic capsules having walls of alcohol-fractionated gelatin
- - 3041288
Inventors:
Gordon, Thomas T.
Himmel, Rene K.
Himmel, Rene K.
Publication Date:
10/14/1969
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Export Citation:
Assignee:
NCR CO
Primary Class:
Other Classes:
521/76, 401/132, 15/104.930
International Classes:
A61K9/00; A61K9/70; B01J13/02; B41M5/165; G09F3/02; B41M5/22
US Patent References:
| 3384536 | Process for forming fibrous sheets containing limited penetration of additaments within the sheet and sheets thereof |