Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or...
Patent
1990-12-07
1992-09-29
Schwartz, Pamela R.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
428211, 4285375, B41M 530
Patent
active
051514044
ABSTRACT:
A thermosensitive recording paper comprising a support sheet and a thermosensitive coloring layer formed thereon, which support sheet comprises needle-leaf tree pulp in an amount ratio of 10 to 50 wt. % of the absolute dry weight of the support sheet, with the maximum length of the fibers in the needle-leaf tree pulp being 4 mm or less.
REFERENCES:
patent: 4762816 (1988-08-01), Tamagawa et al.
Azuma Toshiaki
Hosogi Yasuyuki
Kimura Shigeaki
Suzuki Aimi
Ricoh & Company, Ltd.
Schwartz Pamela R.
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