公开(公告)号：DE69222597D1

公开(公告)日：1997-11-13

申请号：DE69222597

申请日：1992-07-28

Applicant: MITSUI TOATSU CHEMICALS

Inventor： KOSHIDA HITOSHI ,  OHYAMA TSUKASA ,  GHODA ISAMU ,  TAKUMA KEISUKE

IPC: B41M5/26 ,  B41M5/388 ,  C09B29/045 ,  C09B67/22 ,  B41M5/38

Abstract: According to the present invention, there can be provided a black dyestuff for heat-sensitive transfer record comprising at least one orange dyestuff represented by the formula (1) Ar1 - N = N - Ar2 - N = N -Ar3 (1) [wherein each of Ar1, Ar2 and Ar3 is independently an aryl group which may have a substituent] and at least one blue dyestuff represented by the formula (2) [wherein each of R1, R2 and R3 is independently a hydrogen atom, halogen atom, nitro group, hydroxyl group, alkyl group which may have a substituent, alkoxy group, alkylsulfonylamino group or alkylcarbonylamino group, and each of R4 and R5 is independently an alkyl group which may have a substituent], and a black heat-sensitive transfer sheet in which the above-mentioned dyestuff is used.

公开(公告)号：DE3855837T2

公开(公告)日：1997-06-26

申请号：DE3855837

申请日：1988-12-23

Applicant: MITSUI TOATSU CHEMICALS

Inventor： TAKUMA KEISUKE ,  OHYAMA TSUKASA ,  MIKODA TAMIO ,  GHODA ISAMU ,  KOSHIDA HITOSHI ,  IGATA AKITOSHI

IPC: B41M5/385 ,  C09B1/22 ,  C09B1/50 ,  C09B1/503 ,  C09B1/54 ,  C09D11/00 ,  D06P5/13 ,  C09B1/20 ,  B41M5/38

Abstract: A magenta anthraquinone of the formula wherein R is methyl, methoxy, or halogen (preferably chlorine) is useful as a dyestuff for a sublimation thermal transfer process. An ink for thermal transfer recording may include an anthraquinone of formula (I), a resin, and a solvent.

公开(公告)号：DE69209954T2

公开(公告)日：1996-09-19

申请号：DE69209954

申请日：1992-06-15

Applicant: MITSUI TOATSU CHEMICALS

Inventor： OHYAMA TSUKASA ,  TAKUMA KEISUKI ,  SHIMOKAWA YASUSHI ,  GHODA ISAMU ,  KOSHIDA HITOSHI ,  IGATA AKITOSHI

IPC: B41M5/385 ,  B41M5/26 ,  B41M5/388 ,  B41M5/39 ,  C09B29/08 ,  C09B29/085 ,  C09B43/42 ,  B41M5/38

Abstract: A magenta dyestuff for sublimation heat transfer recording is here disclosed which is represented by the formula (I) wherein R is an alkyl group or alkoxy group, R is an alkyl group, aryl group or halogenoalkyl group, R is an alkyl group, aryl group, alkoxyalkyl group, cyanoalkyl group, alkylcarboxyalkyl group or halogenoalkyl group, X is a hydrogen atom or alkoxy group, and Y is a hydrogen atom, alkoxy group, alkylcarbonylamino group or alkylsulfonylamino group, and this dyestuff is excellent in solubility, ribbon shelf stability, dye-fixing properties, durability and light resistance.

公开(公告)号：DE68920758D1

公开(公告)日：1995-03-09

申请号：DE68920758

申请日：1989-02-24

Applicant: MITSUI TOATSU CHEMICALS

Inventor： TAKUMA KEISUKE ,  OHYAMA TSUKASA ,  GHODA ISAMU ,  MIKODA TAMIO MIKODA TAMIO ,  KOSHIDA HITOSHI ,  IGATA AKITOSHI

IPC: C09B1/54 ,  C09B1/58 ,  G03G9/09 ,  G03G9/08

Abstract: A novel negative charge color toner composition for electrostatic charge development having good light resistance and copy sharpness which contains, as a dyestuff in a toner resin, a 1-amino-2-phenoxy- or 2-thiophenoxy-4-hydroxyanthraquinone whose phenoxy or thiophenoxy group is substituted and/or a 1,4-diamino-2,3-phenoxyanthraquinone whose phenoxy group is substituted, which can be conventionally produced.

公开(公告)号：DE69015998D1

公开(公告)日：1995-02-23

申请号：DE69015998

申请日：1990-09-12

Applicant: MITSUI TOATSU CHEMICALS

Inventor： OHYAMA TSUKASA ,  SHIMOKAWA YASUSHI ,  GHODA ISAMU ,  TAKUMA KEISUKE ,  KOSHIDA HITOSHI

IPC: B41M5/26 ,  B41M5/39 ,  C09B53/02 ,  B41M5/38

Abstract: A heat-sensitive sublimation transfer cyan dye is of formula (I). In (I), R1 = H, alkyl, alkoxy, alkylcarbonylamino, formylamino or halogen; R2, R3 = alkyl, alkenyl, alkoxyalkyl, aralkyl, aryl, halogenoalkyl, cyanoalkyl; provided that they may be combine to each other to form a ring; and X = a gp. of formula (i) (ii) or (iii). Also claimed is a heat-sensitive sublimation heat-transfer sheet comprising dye(s) of formula (I).

公开(公告)号：EP0732439A3

公开(公告)日：1998-05-20

申请号：EP96103901

申请日：1996-03-12

Applicant: MITSUI TOATSU CHEMICALS

Inventor： KAMEOKA TAIJI ,  KAWAMURA ISAMU ,  GHODA ISAMU ,  AJIOKA MASANOBU ,  TAKUMA KEISUKE ,  YAMAGUCHI AKIHIRO ,  SUIZU HIROSHI

IPC: D06P1/00 ,  D06P3/54

CPC classification number: D06P3/16 ,  D06P1/0032 ,  D06P3/54 ,  Y10S8/922

Abstract: The invention is a dyeing method of an aliphatic polyester filament comprising dyeing the aliphatic polyester filament with a disperse dye by selecting a dyeing temperature, dyeing pH, and dyeing time in such a way that the weight average molecular weight of the aliphatic polyester filament has a lowering ratio of 20% or less.
The invention is a method for dyeing the aliphatic polyester filament with good reproducibility and level dyeing property while substantially maintaining the molecular weight and the essentially excellent properties of the aliphatic polyester filament, and can provide dyed articles which have high strength, are excellent in level dyeing property and color fastness to light, and have various hues.