Title:
HEAT-SENSITIVE RECORDING SHEET
Document Type and Number:
WIPO Patent Application WO/1980/002820
Kind Code:
A1
Abstract:
A heat-sensitive recording sheet having an improved resistance to light and water, which contains as a color developer one, two or more of the compounds represented by the following general formula (I): (FORMULA) (wherein the R's may be the same as, or different from, each other and each represents a hydrogen atom, a C1 to C12 alkyl group, a C3 to C10 cycloalkyl group, a C7 to C10 aralkyl group, or a phenyl group, M represents a multivalent metal belonging to a group other than group IV in the periodic table, and n represents 0, 1 or 2). This heat-sensitive recording sheet may further contain a thermoplastic substance having a melting point of 50-190 C.
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Inventors:
YAMAGUCHI A (JP)
MURAKAMI H (JP)
YAMAGUCHI K (JP)
MURAKAMI H (JP)
YAMAGUCHI K (JP)
Application Number:
PCT/JP1980/000135
Publication Date:
December 24, 1980
Filing Date:
June 17, 1980
Export Citation:
Assignee:
MITSUI TOATSU CHEMICALS (JP)
YAMAGUCHI A (JP)
MURAKAMI H (JP)
YAMAGUCHI K (JP)
YAMAGUCHI A (JP)
MURAKAMI H (JP)
YAMAGUCHI K (JP)
International Classes:
B41M5/333; B41M5/337; C09D11/00; (IPC1-7): B41M5/18
Foreign References:
| JPS54106313A | 1979-08-21 | |||
| DE2342758A1 | 1975-04-10 | |||
| JPS409309B1 |
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