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序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
141 Preparation of diamino-1, 1'-dianthraquinonyl US16697861 1961-12-28 US3194820A 1965-07-13 MAURICE GRELAT
142 Pigment production US53530255 1955-09-19 US2857400A 1958-10-21 COOPER JOSEPH H
143 Process of making amino-anthraquinones US26572852 1952-01-09 US2738354A 1956-03-13 WALTER KERN; WALTER JENNY
144 Amino-fluoranthraquinones and process of making same US23940251 1951-07-30 US2720533A 1955-10-11 WALTER JENNY; WALTER KERN
145 Anthraquinone compounds US43994242 1942-04-21 US2433551A 1947-12-30 ERNST GUTZWILLER
146 Process for the preparation of dibromoaminoanthraquinone compounds and products obtainable thereby US17019037 1937-10-21 US2169196A 1939-08-08 LEE HENRY R; KLEIN DAVID X
147 Production of dyestuff intermediates of the anthraquinone series US26902128 1928-04-10 US1890099A 1932-12-06 WILLIAM SMITH; JOHN THOMAS
148 Vehicle suspension spring US52814631 1931-04-06 US1879048A 1932-09-27 ANDRE BEURDELEY
149 Polycarboxylic acid dye with low polymerization degree US13700092 2011-05-23 US09040634B2 2015-05-26 Shufen Zhang; Bingtao Tang; Wei Ma
The present invention provides a polycarboxylic acid dye with low polymerization degree, which is formed by using a macromolecule skeleton of polymaleic acid linked to an azo chromophore, an azo-metal complexation chromophore or an anthraquinone chromophore via a bridge group of amide or ester bond. The dye is useful for dyeing and printing leather, protein fiber, cellulose fiber and synthetic fiber.
150 Process for the preparation of fluorescent pigments US095618 1998-06-10 US6013777A 2000-01-11 Zhimin Hao; John S. Zambounis; Abul Iqbal
Compounds of formulaA(B).sub.x, (I),wherein x is an integer from 1 to 4,A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone, isoindoline, dioxazine, phthalocyanine or azo series, which radical contains x N-atoms attached to B, preferably with at least one directly adjacent or conjugated carbonyl group,B is a group of formula ##STR1## and, if x is 2, 3 or 4, may also be one, two or three hydrogen atoms. The symbols Q, R.sub.1, R.sub.2, R.sub.3, R.sub.4, X, Y, Z, m and n, are as defined in claim 1.These carbamate group-containing soluble chromophores are distinguished by outstanding solid state fluorescence in the UV range as well as the by ease with which they can be converted to the corresponding pigments in the substrate in which they are incorporated.
151 Fluorescent perylene pigments US89143 1998-06-02 US5874580A 1999-02-23 Zhimin Hao; John S. Zambounis; Abul Iqbal
Compounds of formulaA(B).sub.x, (I),wherein x is an integer from 1 to 4, A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone, isoindoline, dioxazine, phthalocyanine or azo series, which radical contains x N-atoms attached to B, preferably with at least one directly adjacent or conjugated carbonyl group,B is a group of formula ##STR1## and, if x is 2,3 or 4, may also be one, two or three hydrogen atoms. The symbols Q, R.sub.1, R.sub.2, R.sub.3, R.sub.4, X, Y, Z, m und n, are as defined in claim 1.These carbamate group-containing soluble chromophores are distinguished by outstanding solid state fluorescence in the UV range as well as the by ease with which they can be converted to the corresponding pigments in the substrate in which they are incorporated.
152 Oxidative hair dye based on a creamlike carrier composition as well as process for the dyeing of hair US150210 1993-12-09 US5480459A 1996-01-02 Herbert Mager; Gilbert Pasquier; Dieter Hoch; Johann Aeby
The oxidative hair dye composition is in the form of a cream and contains a carrier substance and a dye mixture dissolved in it. The dye mixture includes at least one coupler and at least one developer. The composition has a pH between 4.5 to 12.5 and, in addition to the dye mixture, contains (A) 10 to 30 percent by weight of at least one fatty alcohol with 10 to 24 carbon atoms; (B) 0.2 to 6.0 percent by weight of at least one diester of formula (I)R.sub.1 --CO--O--(CH.sub.2 --CH.sub.2 --O).sub.n --CO--R.sub.2(I),where n is 1, 2 or 3, and R.sub.1 and R.sub.2 are each independently selected from the group consisting of alkyl groups with 12 to 20 carbon atoms; (C) 0.5 to 20 percent by weight glycerin fatty acid ester with 10 to 24 carbon atoms, and (D) 0.1 to 10 percent by weight of at least one emulsifier member selected from the group consisting of nonionic emulsifiers, anionic emulsifiers and ampholytic emulsifiers. The total content of fatty alcohol, of diester and of glycerin fatty acid ester is from 25.0 to 56.0 percent by weight.
153 Preparation of 1,4-diaminoanthraquinone-2,3-disulfonic acid and 1,4-diaminoanthraquinone-2,3-dinitrile US88740 1993-07-08 US5386042A 1995-01-31 Matthias Dust; Udo Bergmann; Gerd Schwantje
1,4-Diaminoanthraquinone-2,3-disulfonic acid (I) is prepared by reacting 1,4-diamino-2,3-dihaloanthraquinone (II) with boric acid in an inert organic solvent and further reacting the resulting reaction product (IIa) with an aqueous sulfite solution, by a method in which the inert organic solvent used is a nonpolar solvent having a boiling point of .gtoreq.130.degree. C. and a density of .ltoreq.0.95 g/cm.sup.3, and 1,4-diaminoanthraquinone-2,3-dinitrile (III) is prepared by reacting the 1,4-diaminoanthraquinone-2,3-disulfonic (I) with a cyanide.
154 Sublimation thermal transfer printing sheet comprising novel magenta dyestuffs US937029 1992-08-31 US5300475A 1994-04-05 Keisuke Takuma; Tsukasa Ohyama; Tamio Mikoda; Isamu Ghoda; Hitoshi Koshida; Akitoshi Igata
Disclosed are magenta anthraquinone dyestuffs for sublimation thermaltransfer printing of one of the formulas ##STR1## wherein R is a halogen atom, methyl or methoxy; wherein R.sub.1 is a hydrogen atom, hydroxyl, a halogen atom, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms; and wherein R.sub.2 is a hydrogen atom, a halogen atom, alkyl or 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms, with the proviso that in formula (3) either R.sub.1 or R.sub.2 is not a hydrogen atom.
155 Process for the preparation of 1,4-diamino-2,3-dicyanoanthraquinones US145024 1988-01-19 US4785096A 1988-11-15 Jean-Marie Adam
There is disclosed a process for the preparation of 1,4-diamino-2,3-dicyanoanthraquinones by reacting compounds of formula ##STR1## wherein X.sub.1 and X.sub.2 are hydroxyl, halogen, acetate or sulfato ester, or, when taken together, are an oxygen atom attached by a double bond to the boron atom, R is a substituent and n is 0, 1 or 2, with an inorganic cyanide in a polar aprotic solvent and in the presence of an oxidizing agent, and subsequently hydrolyzing the reaction product.
156 Method for purifying 1-aminoanthraquinone US466568 1983-02-15 US4695407A 1987-09-22 Norio Kotera; Masatoshi Uegaki; Masakatsu Yoshimura; Shinzaburo Masaki; Tatsuo Kaneoya; Takashi Miyaoka; Yuzo Maegawa; Akira Fukasawa
A method for purifying 1-aminoanthraquinone which comprises previously subjecting a crude 1-aminoanthraquinone to a removal treatment of inorganic impurities so that their content is reduced to not more than 4 wt. % as converted to ash basis or to a removal treatment of iodine-consuming reductive inorganic impurities so that their content is reduced to not more than 2 wt. % as converted to consumed iodine basis, and then rectifying the 1-aminoanthraquinone.
157 Process for producing 1,4-diaminoanthraquinone-2-sulfonic acid US518177 1983-07-27 US4510087A 1985-04-09 Makoto Hattori; Akihiro Taguma; Akira Takeshita
A process for the production of 1,4-diaminoanthraquinone-2-sulfonic acid or a salt thereof is disclosed, comprising reacting 1-amino-4-bromoanthraquinone-2-sulfonic acid or its salt with liquid ammonia in the presence of a copper catalyst wherein the reaction is carried out in the presence of an inert organic solvent, e.g., n-heptane and cyclohexane. In this process, crystals of the desired product do not substantially deposit on reactor walls, and distillation recovery of ammonia can be performed easily without causing deterioration of the desired product. 1,4-Diaminoanthraquinone-2-sulfonic acid or salt thereof is a useful intermediate for the preparation of, e.g., anthraquinone dyes.
158 Dichroitic anthraquinone dyestuffs useful in liquid crystalline dielectrics and electro-optical indicator elements US314304 1981-10-23 US4456545A 1984-06-26 Georg Weber; Rudolf Eidenschink; Dietrich Erdmann
New dichroitic dyestuffs useful as components of liquid crystalline dielectrics for electro-optical indicator elements based on the guest-host effect have the formula ##STR1## wherein W, X, Y and Z each is hydrogen, NH.sub.2, OH, NHCH.sub.3 or NHC.sub.2 H.sub.5, provided that not more than 3 of these are the same, and one or two of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are a group of the formulae (IIa), (IIb), (IIc), (IId) or (IIe) ##STR2## and the others are hydrogen, R being alkyl of 1-12 carbon atoms.
159 Preparation of aminoanthraquinones from nitroanthraquinones US693038 1976-06-04 US4076736A 1978-02-28 Karl-Julius Reubke; Hans-Samuel Bien, deceased; Gabriele Bien; Dorothee Bien
In the reaction of a nitroanthraquinone with ammonia in a solvent at elevated temperature to produce the corresponding aminoanthraquinone, the improvement which comprises effecting the reaction in the presence of an ammonium halide. Advantageously, the nitroanthraquinone is an .alpha.-nitroanthraquinone, the ammonium halide is at least one of ammonium chloride and ammonium bromide, and the solvent comprises at least one member selected from the group consisting of water, nitrobenzene, a glycol, an acid amide and sulfolane.
160 Production of aminonitrodihydroxyanthraquinones by partial reduction dinitrodihydroxyanthraquinones US718856 1976-08-30 US4048199A 1977-09-13 Wolfgang Elser; Gerhard Epple
The production of aminonitrodihydroxyanthraquinones of the formula: ##STR1## in which one X is OH and the other X is NO.sub.2 by partial reduction of the corresponding dinitrodihydroxyanthraquinone or mixtures thereof by heating at 80.degree.-250.degree. C in the presence of 1/2 to 5 times the weight thereof of an unsubstituted or substituted phenol. The reduction is accelerated by being carried out in the presence of a small amount such as 0.5-20 mol percent of an alkaline-reacting agent. Pure aminonitrohydroxyanthraquinones are obtained which are free from diaminodihydroxyanthraquinones.