B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
42/15
B41M 5/165 (2006.01)
Patent
CA 1258584
ABSTRACT OF THE DISCLOSURE A diisopropylnaphthalene mixture containing 50 % or more of 2,7-isomer is substantially odorless, has a low viscosity and exhibits a high dissolving power particularly for an electron-donating color former including a black color former. By coating of micro-capsules of an ink comprising the solvent and a color former on a substrate, a carbonless copying paper which is odorless and excellent in color developing speed including that at lower temperatures, can be obtained.
520949
Akatsu Masahiro
Ohira Yohichi
Okada Yoshio
Fetherstonhaugh & Co.
Kureha Kagaku Kogyo Kabushiki Kaisha
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