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Inventor:
Murata; Yukichi
Address:
Kanagawa, JP
No. of patents:
12
Patents:












Patent Number Title Of Patent Date Issued
6309807 Disazo dye for thermal transfer recording and thermal transfer sheet and ink for thermal transfe October 30, 2001
A disazo dye for thermal transfer recording of the following formula (I): ##STR1##wherein each of rings A and B which are independent of each other, is a benzene ring which may have a substituent, R.sup.1 is a C.sub.1-4 substituted or unsubstituted alkyl group, and R.sup.2 is a group sel
5935901 Thermal transfer recording material and thermal transfer recording method using same August 10, 1999
A thermal transfer recording material for use in a recording apparatus in which the thermal transfer recording material is introduced into a transfer section having a porous structure by an effect of capillarity, subjected to a state transformation by heating, and then transferred to a
5859092 Recording liquid January 12, 1999
A recording liquid containing an aqueous medium, a pigment and a polymer, wherein the polymer comprises at least one polymer containing a repeating unit A having at least one of a carboxyl group and an acid anhydride group and an allylether unit B of the formula (I), ##STR1## whe
5713992 Recording liquid February 3, 1998
The present invention relates to a recording liquid characterized by comprising an aqueous medium and at least one monoazo dye selected from dyes, the free acid forms of which are represented by general formula {I}: ##STR1## (wherein R.sub.1, R.sub.2, and R.sub.3 each independently r
5630870 Thermal transfer recording material and thermal transfer recording method using same May 20, 1997
A thermal transfer recording material for use in a recording apparatus in which the thermal transfer recording material is introduced into a transfer section having a porous structure by an effect of capillarity, subjected to a state transformation such as vaporization or droplet for
5618337 Thermal transfer recording material and thermal transfer recording method using same April 8, 1997
A thermal transfer recording material for use in a recording apparatus in which the thermal transfer recording material is introduced into a transfer section having a porous structure by an effect of capillarity, subjected to a state transformation such as vaporization or droplet for
5480478 Recording liquid January 2, 1996
A recording liquid comprising an aqueous medium and at least one dye selected from dyes, a free acid form of which is represented by formula (I), (II), (III) or (VI), the symbols in the formulae being defined in the specification: ##STR1##
5478384 Recording liquid December 26, 1995
A recording liquid excellent in print quality, light resistance, and water resistance which is characterized in that it contains an aqueous medium and at least one dye selected from the dyes represented by general formulae [I] to [V]: ##STR1## (wherein R.sub.1 and R.sub.2 each re
5437716 Recording liquid August 1, 1995
A recording liquid comprising an aqueous medium and at least one dye selected from dyes, free acid forms of which are represented by formulae (I) and (II): ##STR1## The symbols in formulae (I) and (II) are defined in the specification.
5246911 Thermal transfer recording sheet and ink composition for producing the same September 21, 1993
A thermal transfer recording sheet comprising a substrate having thereon a colorant layer, the colorant layer comprising a binder and a pyridone-type azo dyestuff represented by the following general formula (I): ##STR1## wherein R represents a hydrogen atom, an alkyl group having 2
5189008 Thermal transfer recording sheet and ink composition for producing the same February 23, 1993
A thermal transfer recording sheet comprising a substrate having thereon a colorant layer, the colorant layer comprising a binder and a pyridone-type azo dyestuff represented by the following general formula (I): ##STR1## wherein R represents a hydrogen atom, an alkyl group having 2
4737443 Optical recording medium April 12, 1988
An optical recording medium in which recording and/or reproducing is made by the state changes of material owing to laser beams, comprising an indophenol-group dye supported on a substrate.










 
 
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