Patents by Inventor Ronald P. Pedemonte
Ronald P. Pedemonte has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6319291Abstract: The present invention relates to dye mixtures comprising one or more disazo dyes conforming to the formula (1) and one or more monoazo dyes corforming to the formula (2) wherein the variables are described in the specification.Type: GrantFiled: January 27, 2000Date of Patent: November 20, 2001Assignee: DyStar Textilfarben GmbH & Co.Inventor: Ronald P. Pedemonte
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Patent number: 6136045Abstract: The present invention relates to dye mixtures comprising one or more azo dyes of the general formula (1) and one or more azo dyes of the general formula (2) ##STR1## where p is 1 or 2,R.sub.1, R.sup.1' and R.sup.2 are independently hydrogen or a group of the general formula SO.sub.3 M or OCH.sub.3,R.sup.5 and R.sup.6 are independently hydrogen or C.sub.1 -C.sub.4 alkyl,X.sup.1 and X.sup.2 are independently fluorine or chlorine or a grouping of the general formula NR.sup.3 R.sup.4 or OR.sup.3,R.sup.3 is hydrogen, C.sub.1 -C.sub.4 alkyl or optionally substituted aryl,R.sup.4 has one of the meanings of R.sup.3 or is aryl or alkyl (which may be substituted by SO.sub.2 Y, SO.sub.3 M or OCH.sub.3), optionally substituted morpholino or pyrimidino or NHCN,Y, Y.sup.1 and Y.sup.2 are independently vinyl or a grouping of the general formula CH.sub.2 CH.sub.Type: GrantFiled: August 11, 1999Date of Patent: October 24, 2000Assignee: DyStar Textilfarben GmbH & Co. Deutschland KGInventors: Ronald P. Pedemonte, Werner Russ, Joachim Steckelberg, Christian Schumacher
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Patent number: 6090163Abstract: Described are dye mixtures of dyes of the general formulae (1) and (2) ##STR1## where M is hydrogen, an alkali metal or the equivalent of an alkaline earth metal, R.sup.1, R.sup.2 and R.sup.3 are independently hydrogen or sulfo, X.sup.1 and X.sup.2, are independently chlorine, fluorine, hydroxy, alkoxy of 1 to 4 carbon atoms, optionally substituted phenyl, optionally substituted morpholino, optionally substituted pyrimidino, cyanoamino or an amino group of the formula --NR.sup.4 R.sup.5, where R.sup.4 is hydrogen, alkyl of 1 to 4 carbon atoms, unsubstituted or sulfo-substituted phenyl or unsubstituted or sulfo-substituted naphthyl, R.sup.5 is hydrogen, optionally substituted alkyl, which may be interrupted by oxy or amino, or optionally substituted phenyl or unsubstituted or sulfo-substituted naphthyl, or the group --NR.sup.4 R.sup.5 is the radical of an aliphatic heterocycle, the groups Y.sup.1 --SO.sub.2 --, Y.sup.2 --SO.sub.2 -- and Y.sup.3 --SO.sub.Type: GrantFiled: December 21, 1998Date of Patent: July 18, 2000Assignee: Dystar Textilfarben GmbH & Co. Deutschland KGInventors: Joachim Steckelberg, Ronald P. Pedemonte
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Patent number: 5973178Abstract: A compound of the formula: ##STR1## wherein: A is hydrogen, a substituted or unsubstituted C.sub.1 to C.sub.4 alkyl, a substituted or unsubstituted C.sub.1 to C.sub.4 alkoxy or a substituted or unsubstituted phenyl;W is a substituted or unsubstituted phenylene or a substituted or unsubstituted naphthylene;Y is--CH.sub.2 --CH.sub.2 --Z wherein Z is selected from --OSO.sub.3 H, --SSO.sub.3 H, --OPO.sub.3 H, --OCOCH.sub.2 --Cll.sub.3, Cl, Br or F; andm is 1 or 2, e is 0 or 1,with the sum of e+m=2.Type: GrantFiled: May 20, 1998Date of Patent: October 26, 1999Assignee: DyStar L.P.Inventors: Thomas S. Phillips, Ronald P. Pedemonte
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Patent number: 5932708Abstract: Fiber-reactive monoazo and disazo dyes, suitable for dyeing cellulose material, such as cotton, and also synthetic or natural polyamide material, such as wool, in high color depth and with good fastness properties, are described which contain a quaternary ammonium group, such as a trialkylammonium group, and contain, as a fiber-reactive group, a group of the vinyl-sulfone series, or a grouping containing a group of the vinyl-sulfone series, or a heterocyclic fiber-reactive group selected from a halogeno-substituted pyrimidine or triazine.Type: GrantFiled: May 1, 1998Date of Patent: August 3, 1999Assignee: Dystar, L.P.Inventors: Thomas S. Phillips, Ralph Svenningsen, Ronald P. Pedemonte
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Patent number: 5931974Abstract: A dye mixture comprising one or more disazo dyes composed of 1-amino-3,6-disulfo-8-naphthol as the coupling component and of two diazo components of the aniline series containing each a fiber-reactive group of the vinylsulfone series, one or more monoazo dyes composed of a carboxy-substituted benzoylamino-sulfo-naphthol coupling component and a diazo component of the aniline series, containing a fiber-reactive group of the vinylsulfone series and optionally one or two monoazo dyes with 1-amino-3,6-disulfo-8-naphthol as a coupling component to which is coupled in the ortho-position to the amino group a diazo component of the aniline series substituted by a fiber-reactive group of the vinylsulfone series. The dye mixtures yield on hydroxy- and/or carboxamido-containing fiber materials, such as cellulose fibers, in particular cotton, or on, for example, wool and synthetic polyamide fibers, deep black dyeings.Type: GrantFiled: July 28, 1998Date of Patent: August 3, 1999Assignee: Dystar Textilfarben GmbH & Co.Inventor: Ronald P. Pedemonte
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Patent number: 5931976Abstract: The present invention concerns orange dye mixtures of fiber-reactive azo dyes, suitable for dyeing hydroxy- and/or carboxamido-containing material, such as cellulose fibers, like cotton, or wool and nylon, which comprise one or more monoazo dyestuffs corresponding to the general formula (1) and one or more monoazo dyestuffs corresponding to the formula (2) ##STR1## in which D.sub.1 and D.sub.2 are each, independently from one another, a radical of a benzene or naphthalene nucleus, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each, independently from one another, hydrogen, methyl, ethyl, methoxy, ethoxy, sulfo or carboxy, M is hydrogen or an alkali metal and the groups Y.sub.1 --SO.sub.2 -- and Y.sub.2 --SO.sub.2 -- are each fiber reactive groups of the vinylsulfone series.Type: GrantFiled: August 11, 1998Date of Patent: August 3, 1999Assignee: DyStar Textilfarben GmbH & Co. Deutschland KGInventors: Ronald P. Pedemonte, Werner Russ
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Patent number: 5925745Abstract: A fiber-reactive dye corresponding to formula (1) ##STR1## in which: Fb is the radical of an azo dye, of a heavy metal complex azo dye, of a formazan dye, of a triphenodioxazine dye or of a phthalocyanine dye;U.sup.(+) is a permanent quaternary ammonium group;A.sup.(-) is a colorless anion, andR.sup.x, R.sub.4, G, Q and n are as defined in the specification, with the proviso that the dye contains at least one group of the vinylsulfone series, such as a group of the formula --SO.sub.2 Y, wherein Y is as defined in the specification, these dyes being capable of dyeing hydroxy- and/or carboxamido-containing fibres, such as cellulosic fibre and wool.Type: GrantFiled: May 11, 1998Date of Patent: July 20, 1999Assignee: Dystar, L.P.Inventors: Thomas S. Phillips, Ralph Svenningsen, Ronald P. Pedemonte
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Patent number: 5811529Abstract: A fiber reactive dye having the formula ##STR1## wherein R.sub.1 and R.sub.3 are independently selected from the group consisting of; hydrogen; an alkyl group having from one to four carbon atoms; the foregoing alkyl group further substituted with one or more groups selected from hydroxy; amino; sulfo; halogen; an aryl radical; a heterocyclic radical or combination thereof; where for R.sub.3 said amino group maybe further substituted by a nitrogen heterocyclic fiber reactive group of the series: 1, 3, 5 mono or dichloro triazinyl; 1, 3, 5 mono or difluoro triazinyl; trichloropyrimidinyl; difluoropyrimidinyl; or monochlorodifluoro pyrimidinyl; where the nitrogen heterocycle may be further substituted by an: alkyl; or aryl amino group;wherein B is selected from the group consisting of a C.sub.2 to C.sub.4 alkyl chain; a substituted aryl or a heterocyclic radical;wherein X is selected from the group consisting of SO.sub.3 H; SO.sub.3 Na or a hydroxy group; and wherein Q.sub.1 and Q.sub.Type: GrantFiled: March 7, 1997Date of Patent: September 22, 1998Assignee: Dystar, L.P.Inventors: Danette R. Vines, Ronald P. Pedemonte
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Patent number: 5696241Abstract: Novel sulfonated quinolone compounds used in the preparation of fiber reactive dyes having the formula: ##STR1## being N-alkyl substituted-4-hydroxy-6-sulfo-2-quinolone. The alkyl group bonded to the nitrogen in the quinolone has from 1 to 4 carbon atoms which may be further substituted by an hydroxy, amino, or sulfo group. The compounds of the invention may be prepared by the sulfonation of an N-alkyl substituted-4-hydroxy-2-quinolones, ##STR2## followed by selective desulfonation to yield the compounds of interest. New monoazo fiber reactive dyes having the formulas: ##STR3## and their metal complexes, may be prepared from these sulfonated compounds by the diazotization of an amine component, selected from an unsubstituted, or a substituted benzene or naphthalene compound, containing a fiber reactive group, and coupling the diazo component to the compounds of the invention.Type: GrantFiled: January 15, 1997Date of Patent: December 9, 1997Assignee: Dystar, L.P.Inventors: Philomen Z. deCroos, Ronald P. Pedemonte, Thomas S. Phillips
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Patent number: 5409916Abstract: Fiber reactive dyes of the anthraquinone type which provide brilliant violet colors without metal complexing. These dyes may be represented by the formula: ##STR1## wherein W is selected from NR.sub.2 and oxygen;R is independently selected from hydrogen, C.sub.1 -C.sub.6 alkyl;C.sub.1 -C.sub.6 alkoxy, sulfo and carboxy;R.sub.1 is selected from hydrogen, C.sub.1 -C.sub.6 alkyl and phenyl;R.sub.2 is selected from hydrogen and C.sub.1 -C.sub.6 alkyl;R.sub.3 is selected from hydrogen, and C.sub.1 -C.sub.4 alkyl;n is an integer of 1 or 2; andY is CH.dbd.CH.sub.2, or CH.sub.2 CH.sub.2 Z wherein Z is a group capable of being split off by the action of an alkali reagent.Type: GrantFiled: June 14, 1993Date of Patent: April 25, 1995Assignee: Hoechst Celanese CorporationInventors: Ronald P. Pedemonte, Thomas S. Phillips
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Patent number: 5393884Abstract: The invention is that of a water soluble fiber reactive anthraquinone blue dyes. These dyes may be used to dye and print textiles and other substrates containing hydroxy and or groups in brilliant blue colors. The dyes of the invention are free of heavy metals.Type: GrantFiled: June 14, 1993Date of Patent: February 28, 1995Assignee: Hoechst Celanese CorporationInventors: Ronald P. Pedemonte, Walter Helmling