Hydrocarbon solvent and pressure-sensitive copying material made with the same
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United States of America Patent
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Jul 1, 2003
Grant Date -
N/A
app pub date -
May 4, 2001
filing date -
Sep 20, 1999
priority date (Note) -
In Force
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Abstract
A hydrocarbon solvent comprising a fraction which is obtained by reacting styrene and cumene in the presence of an acid catalyst and contains 85% by weight or more of 1-phenyl-1-(p-isopropylphenyl)ethane and 5% by weight or less of total styrene dimers, and a pressure-sensitive copying material made using said solvent. The hydrocarbon solvent is inexpensive and excellent in dissolving power for dyes, color-developing rate and so forth, and is satisfactorily odorless.
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