Patents by Inventor Friedrich-Wilhelm Raulfs
Friedrich-Wilhelm Raulfs 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: 7566361Abstract: Colorant preparations contain the following ingredients: a) at least one dispersed, substantially water insoluble dye, b) water, c) at least one dispersant d) a compound of the general formula I where R1, R2 are independently selected from hydrogen, (CH2—CH2—O)nH or (CH(CH3)—CH2—O)n—H, where n is an integer from 1 to 8; (CH2—CH2—O)a—(CH(CH3)—CH2—O)b—(CH2—CH2—O)c—(CH(CH3)—CH2—O)d—H, where a, b, c, d are each an integer from 0 to 7 and a+b+c+d=9. R3 is selected from straight-chain C2-C10-alkyl, C6-C14 aryl, identicallly or differently substituted by hydrogen or C1-C8-alkyl CH2—O—R4 where R4 is selected from C1-C10-alkyl.Type: GrantFiled: July 5, 2002Date of Patent: July 28, 2009Assignee: BASF AktiengesellschaftInventors: Dieter Freyberg, Friedrich-Wilhelm Raulfs, Karl Siemensmeyer
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Publication number: 20070155855Abstract: A process for treating pigments in particulate form, comprising the following steps a) mixing pigment in particulate form with at least one nonionic surface-active substance, b) dispersing the thus obtainable mixture of pigment in particulate form and nonionic surface-active substance in an aqueous medium, c) addition polymerizing at least one first monomer or addition copolymerizing a first mixture of comonomers in the presence of a dispersion obtained after b) to form water-insoluble polymer or copolymer at the surface of the pigments in particulate form, d) adding at least one second monomer or a second mixture of comonomers and addition polymerizing or copolymerizing.Type: ApplicationFiled: June 11, 2004Publication date: July 5, 2007Applicant: BASF AktiengesellschaftInventors: Ulrike Hees, Michael Kluge, Friedrich-Wilhelm Raulfs, Holger Schopke, Karl Siemensmeyer, Richard Gelder, Jurgen Weiser, Heinz Heissler, Stefan Adams, Gunter Renz, Paul Simpson
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Patent number: 7176255Abstract: The present invention relates to a process for preparing dye-comprising aqueous polymer dispersions by free-radical aqueous emulsion polymerization of ethylenically unsaturated monomers in the presence of free-radical initiators, in which at least some of the monomers are employed in the form of an oil-in-water emulsion E1 whose disperse phase comprises at least one oil-soluble dye, wherein the disperse phase of E1 is formed essentially of dye-comprising monomer droplets having a diameter<500 nm. The present invention relates in addition to dye-comprising formulations which comprise the dye-comprising polymers of the invention and to pigmented formulations which comprise a polymer of the invention comprising optical brightener.Type: GrantFiled: July 30, 2003Date of Patent: February 13, 2007Assignee: BASF AktiengesellschaftInventors: Klemens Mathauer, Arno Boehm, Walter Maechtle, Peter Rossmanith, Sabine Kielhorn-Bayer, Klaus Muellen, Ulrike Rohr, Friedrich-Wilhelm Raulfs, Ulrike Schloesser, Wolfgang Schrof, Harutyun Hanciogullari, Karl Siemensmeyer, Paul Delavier, Ruediger Sens, Torsten Freund, Takahiro Ikeda, Takanori Wakebe
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Patent number: 7074850Abstract: The invention relates to polyurethane block copolymers of general formula (I) to (IV), in which the variables are defined as follows: A represents a polyurethane block, which contains at least one hydrophilic group, B is a hydrophobic polyurethane block, X1, X2 are hydrophilic end groups and n is a whole number from 1 to 20. The invention also relates to the production of cross-linkable dispersion additives from the inventive polyurethane block copolymers and to the use of said cross-linkable dispersion additives for colorant preparations, in particular inks for ink-jet printing.Type: GrantFiled: September 14, 2002Date of Patent: July 11, 2006Assignee: BASF AktiengesellschaftInventors: Ulrike Hees, Sophia Ebert, Ruediger Sens, Friedrich-Wilhelm Raulfs, Hans-Guenter Bohrmann, Lothar Schulz, Heinz Heissler, Johann Mueller, Karl Siemensmeyer, Guenter Renz
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Publication number: 20060010619Abstract: Aqueous pretreatment liquor for preparing a textile substrate for inkjet printing, comprising (A) one or more polycationic compounds, (B) one or more thickeners, (C) optionally customary additives, (C) water. Preferred polycationic compounds (A) are polymers or copolymers of diallyldialkylammonium monomers. Preferred thickeners are obtainable from (i) polyetherdiols, (ii) diisocyanates and (iii) compounds, R of the general formula R—OH, R—SH, R—NH2, RR NH or R—COOH, where R is a hydrophobic aliphatic or aromatic radical of at least 4 carbon atoms and R—OH may have been alkoxylated, and also further derivatives thereof that are capable of forming a urethane, thiourethane or urea bond, or from (i) polyetherdiols with (iv) compounds of the general formula R—OH or R—COOH, where R is a hydrophobic aliphatic or aromatic radical of at least 4 carbon atoms and R—OH may have been alkoxylated, and also further derivatives thereof that are capable of forming an ether or ester bond, and or from compounds (ii) and (iii).Type: ApplicationFiled: September 24, 2003Publication date: January 19, 2006Applicant: BASF AktiengesellschaftInventors: Ulrike Hees, Michael Kluge, Mike Freche, Dieter Freyberg, Karl Siemensmeyer, Heinz Heissler, Friedrich-Wilhelm Raulfs
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Publication number: 20050075453Abstract: The present invention relates to a process for preparing dye-comprising aqueous polymer dispersions by free-radical aqueous emulsion polymerization of ethylenically unsaturated monomers in the presence of free-radical initiators, in which at least some of the monomers are employed in the form of an oil-in-water emulsion E1 whose disperse phase comprises at least one oil-soluble dye, wherein the disperse phase of E1 is formed essentially of dye-comprising monomer droplets having a diameter<500 nm. The present invention also relates to perylene dyes of the formula III as set forth in claim 35. The present invention relates in addition to dye-comprising formulations which comprise the dye-comprising polymers of the invention and to pigmented formulations which comprise a polymer of the invention comprising optical brightener.Type: ApplicationFiled: July 30, 2003Publication date: April 7, 2005Applicant: BASF AktiengesellschafInventors: Klemens Mathauer, Arno Bohm, Walter Machtle, Peter Rossmanith, Sabine Kielhorn-Bayer, Klaus Mullen, Ulrike Rohr, Friedrich-Wilhelm Raulfs, Ulrike Schlosser, Wolfgang Schrof, Harutyun Hanciogullari, Karl Siemensmeyer, Paul Delavier, Rudiger Sens, Torsten Freund, Takahiro Ikeda, Takanori Wakebe
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Publication number: 20050004259Abstract: The invention concerns dyeing formulations consisting of the following elements: a) at least a dye selected from the group comprising hardly water-soluble dyes a1) and water-soluble dyes a2), b) water, c) in the case of hardly water-soluble dyes a1), at least a dispersant and d) at least a compound of formula (I), wherein the variables are defined as follows: R1, R2 are selected independently of each other from the group consisting of hydrogen, C1-C4 alkyl, CH2—O—R3, R3 representing hydrogen or C1-C4 alkyl.Type: ApplicationFiled: October 22, 2002Publication date: January 6, 2005Inventors: Dieter Freyberg, Friedrich-Wilhelm Raulfs, Karl Siemensmeyer, Mike Freche
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Publication number: 20040249088Abstract: The invention relates to polyurethane block copolymers of general formula (I) to (IV), in which the variables are defined as follows: A represents a polyurethane block, which contains at least one hydrophilic group, B is a hydrophobic polyurethane block, X1, X2 are hydrophilic end groups and n is a whole number from 1 to 20. The invention also relates to the production of cross-linkable dispersion additives from the inventive polyurethane block copolymers and to the use of said cross-linkable dispersion additives for colorant preparations, in particular inks for ink-jet printing.Type: ApplicationFiled: March 24, 2004Publication date: December 9, 2004Inventors: Ulrike Hees, Sophia Ebert, Rudiger Sens, Friedrich-Wilhelm Raulfs, Hans-Gunter Bohrmann, Lothar Schulz, Heinz Heissler, Johann Muller, Karl Siemensmeyer, Gunter Renz
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Publication number: 20040168609Abstract: Colorant preparations contain the following ingredients:Type: ApplicationFiled: January 20, 2004Publication date: September 2, 2004Inventors: Dieter Freyberg, Friedrich-Wilhelm Raulfs, Karl Siemensmeyer
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Patent number: 6770331Abstract: The invention relates to colorant preparations containing the following main constituents: A) at least one dispersed (A1) or dissolved (A2) colorant; B) if a colorant corresponding to (A1) is used, a dispersing agent; C) a low-molecular polytetrahydurofurane (C1), optionally mixed with one or more difficult-to-evaporate, water-soluble or water-miscible organic solvents (C2); and D) water.Type: GrantFiled: February 13, 2002Date of Patent: August 3, 2004Assignee: BASF AktiengesellschaftInventors: Manfred Mielke, Friedrich-Wilhelm Raulfs, Ulrike Schlösser, Rüdiger Sens, Karl Siemensmeyer, Dieter Freyberg, Mike Freche
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Patent number: 6737122Abstract: The present invention relates to a method of coating substrates, including the following steps: a. applying a flowable coating composition to the target substrate and b. curing the resulting wet coating by exposure to high energy radiation, wherein said coating composition comprises as binder a polymer A containing less than 1 mol/(kg of polymer A) of reactive groups, selected from ethylenically unsaturated double bonds and epoxy groups, and at least 2 mol/(kg of polymer A) of functional groups of the formula where Y is N—H or oxygen.Type: GrantFiled: January 24, 2003Date of Patent: May 18, 2004Assignee: BASF AktiengesellschaftInventors: Erich Beck, Friedrich-Wilhelm Raulfs, Karl Siemensmeyer
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Patent number: 6727318Abstract: The present invention relates to a process for preparing dye-comprising aqueous polymer dispersions by free-radical aqueous emulsion polymerization of ethylenically unsaturated monomers in the presence of free-radical initiators, in which at least some of the monomers are employed in the form of an oil-in-water emulsion E1 whose disperse phase comprises at least one oil-soluble dye, wherein the disperse phase of E1 is formed essentially of dye-comprising monomer droplets having a diameter <500 nm. The present invention also relates to perylene dyes of the formula III as set forth in claim 35. The present invention relates in addition to dye-comprising formulations which comprise the dye-comprising polymers of the invention and to pigmented formulations which comprise a polymer of the invention comprising optical brightener.Type: GrantFiled: August 9, 2000Date of Patent: April 27, 2004Assignee: BASF AktiengesellschaftInventors: Klemens Mathauer, Arno Böhm, Walter Mächtle, Peter Rossmanith, Sabine Kielhorn-Bayer, Klaus Müllen, Ulrike Rohr, Friedrich-Wilhelm Raulfs, Ulrike Schlösser, Wolfgang Schrof, Harutyun Hanciogullari, Karl Siemensmeyer, Paul Delavier, Rüdiger Sens, Torsten Freund, Takahiro Ikeda, Takanori Wakebe
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Publication number: 20030152715Abstract: The present invention relates to a method of coating substrates, including the following steps:Type: ApplicationFiled: January 24, 2003Publication date: August 14, 2003Inventors: Erich Beck, Friedrich-Wilhelm Raulfs, Karl Siemensmeyer
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Patent number: 5849361Abstract: Methine dyes of the formula ##STR1## where K is a carbocyclic or heterocyclic radical,X is nitrogen or a radical of the formula C--Q.sup.1, andQ.sup.1, Q.sup.2 and Q.sup.3 are hydrogen, substituted or unsubstituted C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, substituted or unsubstituted phenyl, C.sub.1 -C.sub.6 -alkoxy, benzyloxy, substituted or unsubstituted phenoxy, C.sub.1 -C.sub.6 -alkylthio, halogen, cyano, formylamino or a radical of the formula R.sup.3, --CO--OR.sup.1, --CO--NHR.sup.1, --CO--NH--CO--R.sup.1, --CO--NH--CO--R.sup.3, --CO--NH--SO.sub.2 R.sup.3, --NH--CO--R.sup.1, --NH--CO--OR.sup.1, --NH--CO--NR.sup.1 R.sup.2, NH--CS--OR.sup.1, --NH--CS--NR.sup.1 R.sup.2, --NH--CO--R.sup.3, --NH--SO.sub.2 --R.sup.1, --NH--SO.sub.2 --R.sup.3 or --NH--SO.sub.2 --NR.sup.1 R.sup.2, wherein R.sup.1 and R.sup.2 are substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl or substituted or unsubstituted phenyl, or else --NR.sup.1 R.sup.2 is amino, and R.sup.Type: GrantFiled: June 6, 1997Date of Patent: December 15, 1998Assignee: BASF AktiengesellschaftInventors: Rudiger Sens, Andreas Johann Schmidt, Friedrich-Wilhelm Raulfs, Karl-Heinz Etzbach
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Patent number: 5663386Abstract: The invention discloses the use of anthraquinones of the formula ##STR1## where R.sup.3 is unsubstituted or substituted C.sub.1 -C.sub.18 -alkyl or unsubstituted or substituted phenyl for marking mineral oils. Also disclosed are the marked mineral oils and a method of detecting the anthraquinones in mineral oils.Type: GrantFiled: September 18, 1995Date of Patent: September 2, 1997Assignee: BASF AktiengesellschaftInventors: Friedrich-Wilhelm Raulfs, Christos Vamvakaris
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Patent number: 5627077Abstract: Anilines of the formula ##STR1## where R.sup.1 and R.sup.2 are each hydrogen, unsubstituted or substituted alkyl, alkenyl or unsubstituted or substituted phenyl orR.sup.1 and R.sup.2, together with the nitrogen atom linking them are a heterocyclic radical or R.sup.1 may furthermore be unsubstituted or substituted hydroxyl or unsubstituted or substituted amino,R.sup.3 and R.sup.7 are each hydrogen, unsubstituted or substituted alkyl, alkenyl, cyano, nitro, acyl, acylamino, unsubstituted or substituted hydroxyl, unsubstituted or substituted carboxymethyl, unsubstituted or substituted amino, unsubstituted or substituted mercapto or unsubstituted or substituted sulfamoyl or, together with R.sup.2, are alkylene, alkenylene or phenylalkenylene,R.sup.4 is hydrogen, unsubstituted or substituted alkyl, alkenyl, unsubstituted or substituted hydroxyl, unsubstituted or substituted amino, unsubstituted or substituted carboxyl or unsubstituted or substituted sulfamoyl andR.sup.5 and R.sup.Type: GrantFiled: June 22, 1995Date of Patent: May 6, 1997Assignee: BASF AktiengesellschaftInventors: Rainer Dyllick-Brenzinger, Friedrich-Wilhelm Raulfs, Ulrike Schlosser
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Patent number: 5500141Abstract: A magnetic ink concentrate essentially consisting of a dispersion of superparamagnetic solid particles in water or alcohol in the presence of a dispersant, and a process for its preparation.Type: GrantFiled: September 13, 1994Date of Patent: March 19, 1996Assignee: BASF AktiengesellschaftInventors: Claudius Kormann, Ekkehard Schwab, Friedrich-Wilhelm Raulfs, Karin H. Beck
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Patent number: 5491043Abstract: An electrostatic toner contains a polymeric binder and as a charge stabilizer a polyamine whose average molecular weight is from 150 to 15,000 and wherein the nitrogen atoms are separated from each other by C.sub.1 -C.sub.13 - alkylene, which may be phenyl-substituted, or by phenylene, which may be C.sub.1 -C.sub.4 -alkyl-substituted, and are substituted by C.sub.1 -C.sub.13 -alkyl, which may be phenyl-, hydroxyl- or carboxyl-substituted, phenyl, C.sub.1 -C.sub.10 -alkanoyl, benzoyl, C.sub.1 - C.sub.6 - alkylcarbamoyl, phenylcarbamoyl or a radical of the formula CO-L-CO, where L is C.sub.2 -C.sub.8 -alkylene, the last case resulting in the crosslinking of two polyamine units.Type: GrantFiled: May 18, 1994Date of Patent: February 13, 1996Assignee: BASF AktiengesellschaftInventors: Johannes P. Dix, Ulf Baus, Karin H. Beck, Friedrich-Wilhelm Raulfs
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Patent number: 5487770Abstract: Method for detecting marked mineral oils by treating the marked mineral oil with an extractant comprising water, a solvent and a base comprises using as marker an azo dye of the formula ##STR1## where ring A may be benzofused,m is from 1 to 4,X.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, cyano or nitro,X.sup.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl, cyano, nitro, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.16 -alkoxycarbonyl,X.sup.3 is hydrogen, C.sub.1 -C.sub.4 -alkyl, cyano or C.sub.1 -C.sub.16 -alkoxycarbonyl, andX.sup.4 is hydrogen, hydroxyl, substituted or unsubstituted C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.4 -alkoxy, amino, C.sub.1 -C.sub.4 -dialkylamino or substituted or unsubstituted C.sub.1 -C.sub.16 -monoalkylamino,as solvent a partially or completely water-miscible organic solvent, and as base an alkali or alkaline earth metal hydroxide, an alkali metal carbonate or a quaternary ammonium hydroxide, the use of azo dyes as markers for mineral oils, and novel azo dyes.Type: GrantFiled: October 12, 1994Date of Patent: January 30, 1996Assignee: BASF AktiengesellschaftInventors: Rainer Dyllick-Brenzinger, Friedrich-Wilhelm Raulfs, Ulrike Schlosser, Karin H. Beck, Gerhard Scholz
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Patent number: 5250207Abstract: A magnetic ink concentrate essentially consisting of a dispersion of superparamagnetic solid particles in water or alcohol in the presence of a dispersant, and a process for its preparation.Type: GrantFiled: May 6, 1992Date of Patent: October 5, 1993Assignee: BASF AktiengesellschaftInventors: Claudius Kormann, Ekkehard Schwab, Friedrich-Wilhelm Raulfs, Karin H. Beck