专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明专利

JPH0732731A THERMAL RECORDING PAPER 失效
公开(公告)号：JPH0732731A
公开(公告)日：1995-02-03
申请号：JP18278493
申请日：1993-07-23
申请人： NEW OJI PAPER CO LTD
发明人： TSUCHIDA TETSUO , KOURO TAKAAKI , ARAI NAOTO
IPC分类号： B41M5/337 , B41M5/26
摘要： PURPOSE:To provide excellent thermal recording paper obtained by successively providing an intermediate layer and a thermal recording layer containing aromatic isocyanate and an imino compd. on base paper, excellent in color forming properties, forming a recording image excellent in preservability and extremely reduced in the background fog of the blank part thereof. CONSTITUTION:In thermal recording paper obtained by successively providing an intermediate layer and a thermal recording layer containing aromatic isocyanate and an imino compd. on base paper, latex is added to an undercoating layer in an amt. of 50% by wt. of the total solid amt. of the undercoating layer.

22. 发明专利

JPH0672021A RECORDING MATERIAL 失效
公开(公告)号：JPH0672021A
公开(公告)日：1994-03-15
申请号：JP18896993
申请日：1993-06-30
申请人： NEW OJI PAPER CO LTD
发明人： TSUCHIDA TETSUO , MEGURO TATSUYA , KOURO TAKAAKI , OMURA HARUO
IPC分类号： B41M5/132 , B41M5/155 , B41M5/26 , B41M5/30 , B41M5/323 , B41M5/333
摘要： PURPOSE:To improve shelf life, color developing properties by using special compound as dye precursor, aromatic carboxylic acid derivative or its polyvalent metal salt as a coloring agent and together using special phenol series compound, phenol resin. CONSTITUTION:One or more types of compound represented by a formula I is used as dye precursor. As a coloring agent aromatic carboxylic acid or polyvalent metal salt of zinc, etc., such as benzoic acid is used. Further, one or more types of phenolic compounds represented by formulae II-IV, phenolic resin having a partial structure represented by a formula V are used. In the formulae, R1 is alkyl group, alkoxyalkyl group, aryl group, R2, R3 are alkyl group, aryl group, R4 is arylkyl group, aryl group, amino group, R5, R6 are alkoxy group, alkyl group, a halogen atom, p is 0.1-5, q is 0.1-4. R7-R12 are hydrogen atom, halogen atom, hydroxyl group, amino group, alkyl group, aryl group, alkoxy group, carbamoyl group, etc., X is hydrogen atom or eliminable group.

23. 发明专利

JPH08142522A THERMAL RECORDING MATERIAL 失效
公开(公告)号：JPH08142522A
公开(公告)日：1996-06-04
申请号：JP24162495
申请日：1995-09-20
申请人： NEW OJI PAPER CO LTD
发明人： KOURO TAKAAKI , KONDO NAOKO , DANOU NOBUHISA , TSUCHIDA TETSUO
IPC分类号： B41M5/337 , B41M5/26 , B41M5/30 , B41M5/327 , B41M5/333
摘要： PURPOSE: To prevent the deterioration of optical character reading aptitude while suppressing background fog even when a thermal recording material is exposed to a high temp. and high humidity condition or light for a long time by using a specific phenothiazine derivative with respect to a black color forming type fluorane derivative in a specific range amt. and using a specific salicylic acid derivative as a coupler. CONSTITUTION: At least one kind of a black color forming type fluorane derivative being a basic dye and at least one kind of a phenothiazine derivative represented by formula I (wherein R1 -R4 are a 1-4C alkyl group and R5 is a hydrogen atom, a halogen atom, a 1-4C alkyl group or a 1-4C alkoxy group) are added to the recording layer of a thermal recording material so that the phenothiazine derivative is 5-100% by wt. of the fluorane derivative. Further, a salicylic acid derivative represented by either one of formulae II, III (wherein X is a hydrogen atom, a 1-4C alkyl group, 1-4C alkoxy group or a halogen atom) or a zinc salt thereof is added as a coupler.

24. 发明专利

JPH07172063A THERMAL RECORDING MEDIUM 失效
公开(公告)号：JPH07172063A
公开(公告)日：1995-07-11
申请号：JP31833893
申请日：1993-12-17
申请人： NEW OJI PAPER CO LTD
发明人： ARAI NAOTO , TSUCHIDA TETSUO , KOURO TAKAAKI , KONDO NAOKO
IPC分类号： B41M5/323 , B41M5/30
摘要： PURPOSE:To obtain a diazo color developing thermal recording medium having small skin fog by incorporating a specific diazo compound a thermal recording layer. CONSTITUTION:A thermal recording medium comprises a thermal recording layer containing a diazo compound and a coupler compound and provided on a support, wherein the layer contains a diazo compound represented by the formula I and/or II. In the formula I and II, m is an integer of 1-6, n is an integer of 0-6, R is hydrogen atom, halogen, alkyl group, alkoxy group, aryl group, aralkyl group, and aryloxy group. A method for synthesizing a specific diazo compound is obtained, for example, by condensation reaction of novolak resin and 2-diazo-1-naphtol-4-sulfonyl chloride.

25. 发明专利

JPH07172062A THERMAL RECORDING MEDIUM 失效
公开(公告)号：JPH07172062A
公开(公告)日：1995-07-11
申请号：JP31833793
申请日：1993-12-17
申请人： NEW OJI PAPER CO LTD
发明人： ARAI NAOTO , TSUCHIDA TETSUO , KOURO TAKAAKI , KONDO NAOKO
IPC分类号： B41M5/323 , B41M5/30
摘要： PURPOSE:To obtain a diazo color developing thermal recording medium having less skin fog by incorporating a specific diazo compound in a thermal recording layer. CONSTITUTION:A thermal recording medium comprises a thermal recording layer containing a diazo compound and a coupler compound and a protective layer provide as required to be sequentially provided on a support, wherein the recording layer contains diazo compound represented by the formula. In the formula, a is an integer of 1-6, n is the integer of 1 or 2, m is a/n, X is acid anion, R is methoxy group, ethoxy group or propoxy group. Further, in the formula, as a concrete example of dissipative anion representing X , for example, CjF2J+1CO2 (j is an integer of 3 to 9), CkF2k+1SO3- (k is an integer of 2 to 9) are adapted.

26. 发明专利

JPH0672020A RECORDING MATERIAL 失效
公开(公告)号：JPH0672020A
公开(公告)日：1994-03-15
申请号：JP16167693
申请日：1993-06-30
申请人： NEW OJI PAPER CO LTD
发明人： TSUCHIDA TETSUO , MEGURO TATSUYA , KOURO TAKAAKI , OMURA HARUO
IPC分类号： B41M5/155 , B41M5/124 , B41M5/20 , B41M5/26 , B41M5/30 , B41M5/323
摘要： PURPOSE:To improve color developing properties, recording image preservability by forming it of coloring agent containing dye precursor having one or more types of compound represented by a special formula and acidic substance. CONSTITUTION:As dye precursor, at least one type of a compound represented by a formula I is used, and as a coloring agent, acidic substance such as organic substance like aromatic carboxylic acid derivative and its polyvalent metal salt are used. In the formula I, R1 is alkyl group, alkoxyalkyl group or aryl group having a substituent group, R2, R3 are alkyl group, aryl group having substituent groups, R4 is alkyl group, aryl group, amino group having substituent groups, R5, R6 are alkyl group, alkoxy group, halogen atom, P is 0. 1-5, g is 0.1-4. As an example of a compound of the formula I, 1-phenyl-3-methyl-4-(4-N,N- diethylaminophenylamino)-4-acetylamino-5-pyrazolone, etc.

27. 发明专利

JPH08276665A THERMOSENSIBLE RECORDING BODY 失效
公开(公告)号：JPH08276665A
公开(公告)日：1996-10-22
申请号：JP7902395
申请日：1995-04-04
申请人： NEW OJI PAPER CO LTD
发明人： DANOU NOBUHISA , KOURO TAKAAKI , TSUCHIDA TETSUO
IPC分类号： B41M5/323 , B41M5/30 , B41M5/327 , B41M5/333
摘要： PURPOSE: To improve an optical character reading property in a region of a specific wave length by making phthaladinone represented by the formula and black coloring fluoran represented by the formula contained in the recording layer as a basic dye so as to be a specific wt.%. CONSTITUTION: This thermosensible recording body contains 5-100wt.% phthaladinone compound represented by the formula I with respect to a black coloring fluoran compound represented by the formula II in the recording layer as a basis dye. Under these conditions, even when left in a high temerature and humidity environments and exposed in light for a long period of time, the property in an optical character reading operation undergoes no deterioration in a region of the wave length of 650-700nm. In the formula I, R1 -R4 respectively is a 1-6C alkyl group R5 is a hydrogen atom or a 1-6C alkyl group, R6 , R7 are each a hydrogen atom, a 1-6C alkyl group or alkoxy group, and A and B are each a carbon or nitrogen group. In the formula II, R8 , R9 respectively is 1-6C alkyl group, an ethoxypropyl group, R10 is a hydrogen atom or a methyl group, and R11 is a methyl group, chlorine atom, or trifluoromethyl group. Further, (n) is an integer of 0-2.

28. 发明专利

JPH0890924A THERMAL RECORDING MATERIAL 失效
公开(公告)号：JPH0890924A
公开(公告)日：1996-04-09
申请号：JP23514194
申请日：1994-09-29
申请人： NEW OJI PAPER CO LTD
发明人： KONDO NAOKO , KOURO TAKAAKI , DANOU NOBUHISA , TSUCHIDA TETSUO
IPC分类号： B41M5/323 , B41M5/26 , B41M5/30 , B41M5/333
摘要： PURPOSE: To enhance optical character reading aptitude by adding at least one kind of a fluorane derivative being a basic dye, at least one kind of a specific phenothiazine derivative and a specific N-arylsulfonylurea compd. to the recording layer of a thermal recording material. CONSTITUTION: In a thermal recording material wherein a recording layer is provided on a support, at least one kind of a black developing fluorane derivative being a basic dye and at least one kind of a phenothiazine derivative represented by formula I are added to the recording layer so that the phenothiazine derivative becomes 5-100wt.% of the fluorane derivative and an N-arylsulfonylurea compd. represented by formula II is added to the recording layer as a coupler. In the formulae I, II, R1 -R4 are a 1-4C alkyl group, R5 is a hydrogen atom, a halogen atom or a 1-4C alkyl group, R6 is a 1-4C alkyl group or a 1-4C alkoxy group, A is a divalent-tetravalent group, n is an integer of 2-4 and m is an integer of 0-5.

29. 发明专利

JPH07214914A THERMAL RECORDING MATERIAL 失效
公开(公告)号：JPH07214914A
公开(公告)日：1995-08-15
申请号：JP882794
申请日：1994-01-28
申请人： NEW OJI PAPER CO LTD
发明人： ARAI NAOTO , TSUCHIDA TETSUO , KOURO TAKAAKI , KONDO NAOKO
IPC分类号： B41M5/323 , B41M5/30
摘要： PURPOSE:To obtain a thermal recording material reduced in background fog by providing a thermal recording layer containing a diazo compd. represented by a specific formula and a coupler compd. on a support. CONSTITUTION:In a thermal recording material obtained by providing a thermal recording layer containing a diazo compd. and a coupler compd. on a support, a compd. represented by general formula (X is an oxygen atom or an imino group and R1-R3 are a hydrogen atom, a methyl group, an ethyl group, a methoxy group or an ethoxy group) is added to the thermal recording layer as the diazo compd. As the diazo compd., l-[(4-methylphenylsulfonyl)- imino]-2-(phenylaminosulfonyl)-benzoquinone-(1,4)-diazide-(4) is designated and this diazo compd. is used alone or in combination with other diazo compd. of the same kind and can be used together with a known diazo compd. according to a purpose such as hue control or the like.

30. 发明专利

JPH07214906A THERMAL RECORDING MATERIAL 失效
公开(公告)号：JPH07214906A
公开(公告)日：1995-08-15
申请号：JP1021394
申请日：1994-02-01
申请人： NEW OJI PAPER CO LTD
发明人： TSUCHIDA TETSUO , KOURO TAKAAKI , KONDO NAOKO , ARAI NAOTO
IPC分类号： B41M5/323 , B41M5/26 , G03C1/52 , G03C1/62
摘要： PURPOSE:To enhance color forming properties and to reduce background fog in a thermal recording material wherein a thermal recording layer containing a diazo compd. and a coupler compd. and, if necessary, a protective layer are provided on a support, by adding a specific metal complex compd. to the thermal recording layer. CONSTITUTION:In a thermal recording material wherein a thermal recording layer containing a diazo compd. and a coupler compd. and a protective layer are provided on a support, a metal complex compd. represented by general formula (M is an n-valent metal ion, L is a colorless org. ligand coordinated with a metal ion through a hetero atom, A is an r-valent anion, k is the coordination number of metal ions and an integer of 4 or 6, n is an integer of 1-4 and r is 1 or 2) is added to the thermal recording layer. As a metal of the metal complex compd., a divalent, trivalent or tetravalent metal having preparably 50 to 120 of atomic weight is used and, pref., zinic is used. As the r-valent anion, an aromatic caboxylic acid anion is pref. used.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式