Carbonless manifold business forms

Details Carbonless manifold business forms Carbonless manifold business forms

1977-09-01

1979-10-16

Lesmes, George F.

Textiles: manufacturing

427150, 427151, 428307, 428914, B41M 522

Patent

active

RE0301167

ABSTRACT:
Sets of manifold business forms are coated on selected surfaces thereof with chemicals which are capable of reacting with each other to produce a colored mark. In one arrangement at least one intermediate sheet is coated on one surface with a composition of a record-developing material (which is generally solid) and a non-compatible color precursor (which is generally in the form of a microencapsulated liquid) to thereby function as both a record-receiving and a color-transfer surface upon reacting with the coating of at least another separate sheet of the set containing another compatible color precursor and/or another record-developing material on the surface thereof. In another arrangement, some of the sheets are coated front and back with a record-developing material, while others are coated front and back with a microencapsulated color precursor. In each of the arrangements the sheets of the manifolded sets are capable of being so arranged such that by removal of certain parts of the sets or turning certain parts upside down and applying pressure on the backs of the sets, images may be developed on both sides of the sheets.

REFERENCES:
patent: 3540912 (1970-11-01), Lin
patent: 3895173 (1975-07-01), Adachi
patent: 3981523 (1976-09-01), Maalouf

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