序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
61 Surface modified carbonaceous materials US09826941 2001-04-06 US06506517B2 2003-01-14 Christophe Michot; Michel Armand; Michel Gauthier; Yves Choquette
The present invention provides an electrochemical generator consisting of an anode, a cathode, and an electrolyte, wherein the anode and/or the cathode comprises a carbonaceous material obtained by a process comprising suspending a carbonaceous material containing carboxyl, amine and/or hydroxyl functions on its surface in a solution comprising at least one polymer and a solvent which dissolves the polymer, said polymer containing at least one carboxyl, amine and/or hydroxyl function, and treating the solution thus obtained under conditions promoting a dehydration reaction between at least one carboxyl function, and at least one amine and/or hydroxyl function, thereby grafting at least one said polymer onto said carbonaceous material by means of an ester or amide bond.
62 Cyanine Dyes US09959300 2001-10-23 US20020178517A1 2002-12-05 Chiaki Kasada; Katsumi Orita; Kentaro Yano; Toshio Kawata; Shigeo Yasui
The object of the present invention is to provide organic dye compounds which exert satisfactory optical absorption properties and thermal resistance when used in high density optical recording media. The above object is solved by specific trimethine cyanine dyes, light absorbents and optical recording media which comprise the cyanine dyes, and preparations for the cyanine dyes comprising either reacting a benzoindolium compound having a compatible leaving group with a pyrazinoimidazolium compound having a reactive methyl group; or reacting a benzoindolium compound having a reactive methyl group with a pyrazinoimidazolium compound having a compatible leaving group.
63 Pentacyclic anion salts or tetrazapentalene derivatives and their uses as ionic conducting materials US10107742 2002-03-27 US20020102380A1 2002-08-01 Christophe Michot; Michel Armand; Michel Gauthier; Yves Choquette
The invention relates to ionic compounds in which the anionic load has been delocalized. A compound disclosed by the invention includes an anionic portion combined with at least one cationic portion Mmnull in sufficient numbers to ensure overall electronic neutrality; the compound is further comprised of M as a hydroxonium, a nitrosonium NOnull, an ammonium nullNH4null, a metallic cation with the valence m, an organic cation with the valence m, or an organometallic cation with the valence m. The anionic load is carried by a pentacyclical nucleus of tetrazapentalene derivative bearing electroattractive substituents. The compounds can be used notably for ionic conducting materials, electronic conducting materials, colorant, and the catalysis of various chemical reactions.
64 Nigrosine compound, resin composition, molded product, crystallization temperature lowering, fluidity improving and surface gloss improving method US09605060 2000-06-28 US06395809B1 2002-05-28 Akihiko Hayashi; Tohru Turuhara
Water-insoluble nigrosine compound which is a salt of nigrosine with sulfuric acid and/or phosphoric acid, crystalline resin composition containing the nigrosine compound, and fiber-reinforced crystalline resin molded product comprising a crystalline resin and a fibrous reinforcing material and the nigrosine compound both contained therein, wherein the surface gloss is higher than that of the fiber-reinforced crystalline resin molded product with nigrosine as a substitute for said nigrosine compound. Methods for lowering the crystallization temperature of a crystalline resin, improving the fluidity of a crystalline resin, and improving the surface gloss of a crystalline resin, by incorporating the water-insoluble nigrosine in the crystalline resin respectively.
65 Pentacyclic anion salts or tetrazapentalene derivatives and their uses as ionic conducting materials US09125799 1998-12-02 US06395367B1 2002-05-28 Christophe Michot; Michel Armand; Michel Gauthier; Yves Choquette
The invention relates to ionic compounds in which the anionic load has been delocalized. A compound disclosed by the invention includes an anionic portion combined with at least one cationic portion Mm+ in sufficient numbers to ensure overall electronic neutrality; the compound is further comprised of M as a hydroxonium, a nitrosonium NO+, an ammonium —NH4+, a metallic cation with the valence m, an organic cation with the valence m, or an organometallic cation with the valence m. The anionic load is carried by a pentacyclical nucleus of tetrazapentalene derivative bearing electroattractive substituents. The compounds can be used notably for ionic conducting materials, electronic conducting materials, colorant, and the catalysis of various chemical reactions.
66 Surface modified carbonaceous materials US09125798 1998-12-02 US06228942B1 2001-05-08 Christophe Michot; Michel Armand; Michel Gauthier; Yves Choquette
Grafting a polymer at the surface of a carbonated material containing carboxyl amine and/or hydroxyl functions at its surface. This material is suspended in a solution comprising the polymer to be grafted, which includes a carboxyl amine and/or hydroxyl function, the solution also comprising a solvent of the polymer. This is followed by a treatment causing dehydration into a carboxyl function, an amide and/or hydroxyl function and the polymer is thus grafted on the carbonated material by means of ester or amide bonds. Utilization in the cathode or anode of an electrochemical generator, in a polymer material with low polarity, in an ink, and as a conductive deposit on flexible plastic used as electrical contact, electromagnetic protection and antistatic protection.
67 Eradicable inks US09301491 1999-04-28 US06221432B1 2001-04-24 Yichun Wang; Russell E. Hopson
A method of changing the color of an ink mark includes applying an ink including a solvent and a triarylmethane dye dissolved in the solvent that changes color if contacted with a chemical agent to a substrate. The dye is soluble in phenyl cellosolve. A chemical agent is then applied to cause the dye to change color.
68 Zwitterionic pigments US18616 1993-02-17 US5304244A 1994-04-19 Jurgen Goldmann; Bansi L. Kaul
Pigments of the formulaA.sub.m --F--R.sub.n,whereineach A is a monobasic or dibasic acid group,F is the residue of a dye,each R is a group containing an aliphatic-, cycloaliphatic- or aliphatic-heterocyclic-bound imino or amino nitrogen atom,m is 1 or 2, andn is equal to m when A is a monobasic acid group and equal to 2m when A is a dibasic acid group.
69 Metal chelate of a monoazo compound and optical recording medium using it US809509 1992-01-16 US5298608A 1994-03-29 Tetsuo Murayama; Shuichi Maeda; Chiyoko Fukabori; Takumi Nagao
A metal chelate compound comprising a monoazo compound of the following formula (I): ##STR1## (wherein A is a residue forming a hetero ring together with the carbon atom and the nitrogen atom to which it is bonded, B is a residue forming an aromatic group together with the two carbon atoms to which it is bonded, and X is a hydrogen atom or a cation), and a metal, and an optical recording medium comprising a substrate and a recording layer formed thereon for information to be written in and/or read out by laser, wherein said recording layer contains the metal chelate compound comprising a monoazo compound of the above formula (I) and a metal.
70 Process for dyeing paper US660227 1991-02-22 US5203876A 1993-04-20 Adolf Kaser
The dyes of formula ##STR1## wherein R, M and n are as defined in claim 1, are preeminently suitable for dyeing paper in blue shades.
71 Process for the preparation of the lithium salt of a fiber-reactive azo dyestuff US173716 1988-03-25 US4939242A 1990-07-03 Konrad Opitz; Marcos Segal
A process for the preparation of the lithium azo compound of the formula ##STR1## having an Na content of less than 0.2% by weight, in particular less than 0.1% by weight, in which the lithium salt of 4-(.beta.-sulfatoethylsulfonyl)-aniline is diazotized in an aqueous solution or in an aqueous solution containing a water-miscible organic solvent by means of nitrosylsulfuric acid, and the product is coupled with the lithium salt of 1-hydroxy-7-acetylaminonaphthalene-3-sulfonic acid.
72 Spherical fine particulate pigment and process for preparing the same US133809 1987-12-16 US4861379A 1989-08-29 Takeo Imai; Kazuko Iwano
A spherical fine particulate pigment in which pigment particles have a diameter of not more than 0.5 .mu., and the surface thereof is treated by a surface active agent, is provided by reacting a water soluble dye and an insolubilizing agent therefor in a water-in-oil type emulsion aqueous phase which is prepared by using a nonionic surface active agent. The pigment has an excellent dispersing ability and outstanding tinting strength. It has a wide variety of uses in the field of cosmetics, paints, inks, or the like.
73 Insoluble pigments and preparation thereof US876567 1986-06-20 US4769080A 1988-09-06 Howard W. Clark; Tracy E. Chapman
A water-insoluble pigment comprising a complex of an anion exchange material with a layered crystal structure and a water-soluble dye is disclosed. The anion exchange material may be represented by the general formula:[M.sub.x.sup.+1 Q.sub.y.sup.+2.Al(OH).sub.3 ](A.sup.-1).sub.d (A.sup.-2).sub.e (A.sup.-3).sub.f (A.sup.-4).sub.g.nH.sub.2 Owhere M is a metal element or elements each with a positive valence of 1; Q is a metal element or elements each with a positive valence of 2; A.sup.-1, A.sup.-2, A.sup.-3, and A.sup.-4 are each one or more exchangeable anions each having a negative valence of 1, 2, 3, and 4 respectively; and n, x, y, d, e, f, and g are real numbers greater than or equal to zero and satisfy the following:0<x+2y.ltoreq.1d+2e+3f+4g=x+2y0.ltoreq.n.ltoreq.10
74 Crown ether complexes of direct yellow 11 and dyestuff containing same US603863 1984-04-25 US4502864A 1985-03-05 Jo Ann Cleverdon
Liquid concentrate of Direct Yellow 11 based on the crown ether complexes of tetrasodium direct yellow 11, are described as well as these novel soluble chelates of insoluble tetrasodium complexes of Direct Yellow 11.
75 Process for the production of photographic images by dye diffusion transfer and photographic material suitable in this process US235352 1981-02-13 US4386149A 1983-05-31 Leslie F. A. Mason; Rainer Kitzing; Brian R. D. Whitear; William E. Long; Glenn P. Wood; David L. R. Reeves
A photographic dye diffusion transfer process is provided which operates by imagwise release of a dye.The dye diffuses to a receiving layer and is mordanted there to give a dye image. The dyes are released from a compound of the formula D--E--F--BAL by reductive cleavage.D is a group which contains the residue of diffusible dye, BAL is a ballasting group which renders the compound containing it substantive to the layer in which it is present, D and E being joined by any type of chemical bond and E and F represent a single or double bond system which links D and BAL and which has a reduction potential above -200 mV measured against a standard hydrogen electrode at a pH of less than 3 and which bond can be reductively cleaved at a pH of less than 3 by a reducing agent which is able to act as a pH below 3.
76 Process for the production of photographic images by dye diffusion transfer and photographic material suitable in this process US14776 1979-02-23 US4269928A 1981-05-26 Leslie F. A. Mason; Rainer Kitzing; Brian R. D. Whitear; William E. Long; Glenn P. Wood; David L. R. Reeves
A photographic dye diffusion transfer process is provided which operates by imagwise release of a dye.The dye diffuses to a receiving layer and is mordanted there to give a dye image. The dyes are released from a compound of the formula D--E--F--BAL by reductive cleavage.D is a group which contains the residue of diffusible dye, BAL is a ballasting group which renders the compound containing it substantive to the layer in which it is present, D and E being joined by any type of chemical bond and E and F represent a single or double bond system which links D and BAL and which has a reduction potential above -200 mV measured against a standard hydrogen electrode at a pH of less than 3 and which bond can be reductively cleaved at a pH of less than 3 by a reducing agent which is able to act at a pH below 3.
77 Aqueous dye formulations for cellulose or cellulose-containing fibers US820717 1977-08-01 US4213757A 1980-07-22 Manfred Ruske; Wolfgang Elser
Aqueous dye formulations which contain one or more sparingly water-soluble, or water-insoluble, phthalocyanine-sulfonamides of the formula ##STR1## where A is a (n+m)-valent radical of copper phthalocyanine, cobalt phthalocyanine or nickel phthalocyanine which may be substituted by up to 4 chlorine or bromine atoms, R is hydrogen, alkyl of 1 to 5 carbon atoms or alkoxyalkyl of a total of 3 to 7 carbon atoms, R.sup.1 is a substituted or unsubstituted aliphatic, cycloaliphatic, araliphatic or aromatic radical, or ##STR2## is a saturated 5-membered or 6-membered heterocyclic ring, X.sup..sym. is H.sup..sym., an alkali metal ion, (NH.sub.4).sup..sym. or ##STR3## (where R and R.sup.1 have the above meanings), n is 2, 3 or 4 and m is 0 or 1, together with one or more conventional dispersing agents and humectants and with or without a disinfectant. The formulations give very fast prints and dyeings on cellulose and on cellulose-containing fibers.
78 Organic compounds US872407 1978-01-26 US4191532A 1980-03-04 Rolf Gross; Rene Fricker
Disclosed is a liquid dye concentrate for dilution down to form a dyebath for the dyeing of blend substrates comprising acid and cationic dyeable fibres, which concentrate comprises at least one acid dye, at least one cationic dye and, as auxiliary agents, a nonionic or anionic polyglycol ether, or a mixture thereof, and a cationic, amino group containing polyglycol ether, other preferred optional additives being a low molecular weight carboxylic acid, such as acetic or formic, and one or more aliphatic C.sub.6-16 alcohols, particularly for viscosity stabilization and/or foam inhibition. Also disclosed is a dyeing process employing such a concentrate in dilute form.
79 Process for preparing a ball-point pen ink US614687 1975-09-18 US4130435A 1978-12-19 Ira L. Hall
Process for preparing a stable liquid dye which is useful as a ball-point pen ink, said process comprising admixing and reacting at 20.degree.-80.degree. C. approximately stoichiometric amounts of a water-soluble cationic dye and a water-soluble anionic dye to form a cationic-anionic dye salt, there being present either during or subsequent to the admixing and reacting a two-phase liquid medium comprising an upper aqueous phase and a lower ball-point pen ink solvent phase, in which lower phase the cationic-anionic dye salt dissolves, the ball-point pen ink solvent being substantially insoluble in water, and thereafter separating the aqueous and solvent phases and recovering the solvent phase which provides a stable liquid dye which is useful as a ball-point pen ink.
80 Azo dyestuffs US668034 1976-03-18 US4091021A 1978-05-23 Herbert Francis Andrew; David William Crichton Ramsay; Cecil Vivian Stead
Azo dyestuffs, which in the acid form, are represented by the formula:A -- N .dbd. N -- M -- N .dbd. N -- E (1)whereinA is an aromatic radical,M is a 1,4-benzene radical which may be substituted,E is the residue of a coupling component which is free from azo groups,At least one of A and M containing a phosphonic acid group, and the metal complexes of those having a metallisable group are reactive dyes suitable for use in the process of German OLS No. 2324809.
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