Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Identified reactant isolating material or capsule wall...
Patent
1988-05-06
1990-03-06
Schwartz, Pamela R.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Identified reactant isolating material or capsule wall...
428211, 428342, 4285375, 428914, 503200, B41M 516
Patent
active
049066056
ABSTRACT:
A carbonless copy paper for imaging via electrostatic copiers comprising a paper stock having a basis weight greater than about 18 pounds per ream and containing on at least a portion of a surface thereof a stilt particle-free composition comprising microcapsules, at least 50 volume percent thereof having a size no greater than about 12 microns and at least 95 percent by volume thereof having a size no greater than about 18 microns.
REFERENCES:
patent: 4046404 (1977-09-01), Treier
patent: 4398954 (1983-08-01), Stolfo
Chernivec Gerald F.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Schwartz Pamela R.
Sell Donald M.
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