| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 41 | Hair dye | JP4293085 | 1985-03-05 | JPS61204115A | 1986-09-10 | KIKUCHI MASASHI |
| NEW MATERIAL:A naphthalene derivative expressed by the formula (R is H, methyl or ethyl; n is 1, 2 or 3). EXAMPLE:6-Hydroxyethylamino-2,3-dihydro-5,8- dihydroxynaphthalene-1,4-dione. USE:An excellent hair dye, capable of dyeing hair safely and well under mild conditions in a very low concentration with almost no influence of dyeing conditions, and having stable color formation and good storage stability. PREPARATION:The corresponding 2-alkoxyalkylamino-5,8-dihydroxynaphthoqu inone is reacted with a reducing agent, e.g. Na2S2O6, in the presence of an alkali, e.g. KOH, NaOH or Na2CO3, and water, alcohol or a mixture solution thereof or zinc in an aqueous solution of hydrochloric acid to give the aimed compound expressed by the formula. The amount of the above-mentioned com pound to be incorporated is >=0.05wt%, particularly >=0.1wt% based on the total weight of the hair dye. | ||||||
| 42 | Hair dye | JP19547284 | 1984-09-18 | JPS6172710A | 1986-04-14 | KIKUCHI MASASHI; MATSUOKA MASAHIRO |
| NEW MATERIAL:The naphthalene derivative of formula (R is CnH2n+1; n is 5, 6, 7 or 8). EXAMPLE:6-Pentylamino-2,3-dihydro-5,8-dihydroxynaphthalene-1,4-dione. USE:A hair dye capable of dyeing hair under mild condition, having excellent safety and storage stability, and stably exhibiting sufficient color development. PREPARATION:The objective compound of formula can be prepared by reducing the corresponding 2-alkylamino-5,8-dihydroxynaphthoquinone with a reducing agent such as sodium dithionate, in the presence of an alkali such as potassium hydroxide, sodium hydroxide, sodium carbonate, etc., in water, alcohol, a mixture of water and alcohol, or an aqueous solution of hydrochloric acid containing zinc. | ||||||
| 43 | Dye material | JP12401083 | 1983-07-07 | JPS6015458A | 1985-01-26 | EDOKORO SOUTAROU; ITOU MASAKI; MATSUOKA MASARU |
| NEW MATERIAL:Naphthoquinone dyes of formula I , wherein R is alkyl, alkoxyl, amino, substd. amino. USE: The compds. of formula I have absorption bands in the wavelength region of laser beam. The evaporation temp., the decomposition temp. and the melting temp. of the comps. are properly low so that they are stable and gives a film by vapor deposition. They are suitable for use as a long-life recording material using laser beam. PREPARATION: 2,3-Dichloro-1,4-naphthoquinone of formulaII is nitrated. The resulting compd. of formula III is reacted with sodium cyanide to obtain a compd. of formula IV, which is then reduced. The resulting compd. of formula Vis reacted with p-n-butylaniline to obtain the naphthoquinone dye of formula I , where R is n-butyl. COPYRIGHT: (C)1985,JPO&Japio | ||||||
| 44 | Liquid crystal composition | JP1253983 | 1983-01-28 | JPS59138286A | 1984-08-08 | KITAO TEIJIROU; MATSUOKA MASARU; IMAZEKI SHIYUUJI |
| PURPOSE: To provide a liquid crystal composition containing a polychromatic pigment having two absorption bands in the visible range wherein one of the band exhibits parallel dichroism and the other perpendicular dichroism, by using a specific naphthoquinone pigment as the polychromatic pigment. CONSTITUTION: The objective liquid crystal composition contains the napthoquinone pigment of formula (R is alkyl; X is H, alkylamino, arylamino or hydroxy). EFFECT: It gives a guest-host liquid crystal display element capable of displaying two colors by using only one kind of pigment. COPYRIGHT: (C)1984,JPO&Japio | ||||||
| 45 | Benzoquinone composition for direct dyeing keratin fiber | JP21121282 | 1982-12-01 | JPS58109406A | 1983-06-29 | JIERAARU RANGU; ARAIN MARABARU; JIYANNFURANSOWA GURORIEERU; JIYORUJIYU ROOZENBAUMU |
| 46 | Benzoquinoxalinedione derivative | JP2684980 | 1980-03-04 | JPS56122868A | 1981-09-26 | KITAO TEIJIROU; NAKAZUMI HIROYUKI |
| NEW MATERIAL:Benzoquionxalinedione derivatives of the formula (wherin A is benzene ring, naphthalene ring, acenaphthene ring, phenanthrene ring). USE: The dervatives are used as colorants which dye various synthetic fibers, plastics, etc. orange to reddish orange. They are also used as intermedaites for the production of various dyes and pigments. PREPARATIN:2,3,5-Triamino-1,4-napthoquinone is heated together with an o- quinone such as 1,2-naphthoquinone, acenaphthenequinone or 9,10-phenanthrenequinone in an acetic acid-water soln. at 90W100°C for 1W5hr. to produce the desired compound. COPYRIGHT: (C)1981,JPO&Japio | ||||||
| 47 | Diazaanthraquinone derivative | JP12479678 | 1978-10-11 | JPS5551071A | 1980-04-14 | KITAO TEIJIROU; MATSUOKA MASARU; NAKAZUMI HIROYUKI |
| NEW MATERIAL:1,4-Diazaanthraquinone derivative of formula I (X is nitro or amino). EXAMPLE: 5-Nitro-1,4-diazaanthraquinone. USE: Intermediates of dyes and pigments. Colorant of various synthetic fibers, plastics, etc. PROCESS: Nitration of 1,4-diazaathraquinone with nitric acid in a solvent such as sulfuric acid, acetic acid, etc. gives 5-nitro-1,4-diazaanthraquinone. 5-Amino-1,4- diazaanthraquinone (an orange-colored dye) is producted either by reducing the 5- nitro-1,4-diazaanthraquinone with sodium sulfide, iron powder, etc. or by condensing 2,3,5,-triamino-1,4-naphthoquinone with glyoxal in a solvent such as water, acetic acid, etc. COPYRIGHT: (C)1980,JPO&Japio | ||||||
| 48 | Amino acid naphthoquinone derivatives | JP37576 | 1976-01-01 | JPS5284220A | 1977-07-13 | EGUCHI ARAHIKO; SUZUKI YOSHIHISA; OONUKI TAKASHI; YOKOGAWA YASUNORI; HIRATA TADASHI; TOITA OSAMU |
| PURPOSE: Amino acid naphthoquinone derivatives of the formula I: (A is alkyl-substituted or non-substituted 1,2-phenylene; Y is carboxyl, alkoxycarbonyl or acid amide; and n is 1,2 or 3). COPYRIGHT: (C)1977,JPO&Japio | ||||||
| 49 | JPS4947426B1 - | JP9818969 | 1969-12-04 | JPS4947426B1 | 1974-12-16 | |
| 50 | JPS4812165B1 - | JP3701270 | 1970-04-28 | JPS4812165B1 | 1973-04-18 | |
| 51 | Bi-thienylene isopropylidene bis-benzo-quinone, and its manufacturing method | JP5505888 | 1988-03-10 | JP2504801B2 | 1996-06-05 | TAKAHASHI KAZUKO; TAKASE KAHEI |
| 52 | JPH0521944B2 - | JP3712486 | 1986-02-21 | JPH0521944B2 | 1993-03-26 | YOSHIDA MASASHI |
| 53 | JPH0437100B2 - | JP8728583 | 1983-05-18 | JPH0437100B2 | 1992-06-18 | KITAO TEIJIRO; MATSUOKA MASARU; TAKAGI KOICHI |
| 54 | JPH0416510B2 - | JP1253983 | 1983-01-28 | JPH0416510B2 | 1992-03-24 | KITAO TEIJIRO; MATSUOKA MASARU; IMAZEKI SHUJI |
| 55 | JPH045697B2 - | JP16163982 | 1982-09-17 | JPH045697B2 | 1992-02-03 | IMAZEKI SHUJI; KOBI AKIO; KANEKO MASAHARU; YONEYAMA TOMIO |
| 56 | Method of dyeing keratinic fiber and dyeing kit | JP17884587 | 1987-07-17 | JPS6333320A | 1988-02-13 | JIYAN FURANSOWA GURORIEERU |
| 57 | Shikonin dye | JP6852686 | 1986-03-28 | JPS62225561A | 1987-10-03 | SUGA CHUZO |
| PURPOSE: The titled novel dye having improved shelf stability and a feeling of profoundness in a blight color in color tone of red W purple after coloring, containing a coloring component comprising shikonin, deoxyshikonin and a shikonin polymer in a specific ratio. CONSTITUTION: The aimed dye using a coloring component containing (A) 5W30wt% shikonin shown by formula I, (B) 20W60wt% deoxyshikonin shown by formula II and (C) 20W60wt% shikonin polymer in the coloring component consisting of shikonin and derivatives thereof. COPYRIGHT: (C)1987,JPO&Japio | ||||||
| 58 | Naphthoquinone charge transfer complex | JP28752285 | 1985-12-19 | JPS62146960A | 1987-06-30 | KITAO TEIJIRO; MATSUOKA MASARU |
| PURPOSE: To provide a naphthoquinone charge transfer complex represented by a specified structural formula and useful as a dye, pigment or various functional dyes. CONSTITUTION: A naphthoquinone charge transfer complex of formula I (wherein X is oxygen, sulfur, selenium, substd. or unsubstituted amino group; R 1, R 2 are each H, halogen, cyano; R 3 is H, nitro). The compd. can be obtd., e.g., by mixing a compd. of formula II (wherein X is as defined above) with a compd. of formula III (wherein R 1WR 3 are as defined above) in an org. solvent. COPYRIGHT: (C)1987,JPO&Japio | ||||||
| 59 | JPS6215063B2 - | JP7996584 | 1984-04-20 | JPS6215063B2 | 1987-04-06 | KIKUCHI MASASHI; MATSUOKA MASAHIRO |
| 60 | Hair dye | JP15663585 | 1985-07-16 | JPS6218471A | 1987-01-27 | KIKUCHI MASASHI; MATSUOKA MASAHIRO |
| PURPOSE: To provide a hair dye which allows the hair to be dyed at a very low concn. under mild conditions, containing a naphthalene derivative. CONSTITUTION: The titled hair dye contains a naphthalene derivative of the formula. Pref. the napthalene derivative is used in a quantity of at least 0.1wt% based on the total quantity of the hair dye. The naphthalene derivative can be obtd. by reducing 2-benzylamino-5,8-dihydroxynaphthoquinone with a reducing agent such as sodium tetrathionate in the presence of an alkali such as potassium hydroxide, sodium hydroxide or sodium carbonate in water, alcohol or a solvent mixture of water and an alcohol, or in the presence of zinc in an aq. hydrochloric acid soln. COPYRIGHT: (C)1987,JPO&Japio | ||||||
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