Patents by Inventor Hans-Juergen Degen
Hans-Juergen Degen 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: 7902141Abstract: The present invention relates to compositions for treating hard surfaces, comprising a water-soluble or water-dispersible compound as component A which is obtainable by reacting: aa) polyalkylenepolyamines, polyamidoamines, polyamidoamines grafted with ethyleneimine, polyether-amines and mixtures of said compounds, as component Aa; ab) if appropriate at least bifunctional crosslinkers which have, as functional group, a halogenhydrin, glycidyl, aziridine or isocyanate unit or a halogen atom, as component Ab; and ac) monoethylenically unsaturated carboxylic acids, salts, esters, amides or nitriles of monoethylenically unsaturated carboxylic acids, chlorocarboxylic acids and/or glycidyl compounds, such as glycidyl acid, glycidylamide or glycidyl esters; and water; to a process for the preparation of a water-soluble or water-dispersible compound, to water-soluble or water-dispersible compounds preparable by the process according to the invention, and to the use of water-soluble or water-dispersible compounds accoType: GrantFiled: January 27, 2005Date of Patent: March 8, 2011Assignee: BASF AktiengesellschaftInventors: Heike Becker, Hans-Juergen Degen, Marcus Guzmann, Tanja Gass, Volker Braig
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Patent number: 5378818Abstract: There are described azo dyes of the formula ##STR1## where in case a)m is 1,n is 0,Y is hydroxyl, andL is C.sub.1 -C.sub.6 -alkylene, orin case b)m is 0 or 1,n is 1,X is hydrogen,Y is imino, andL is 1,4-piperazinediyl when m is 0 orC.sub.2 -C.sub.6 -alkylene or phenylene when m is 1,the use thereof for dyeing or printing paper stock, and dye mixtures comprising the dyes.Type: GrantFiled: November 29, 1993Date of Patent: January 3, 1995Assignee: BASF AktiengesellschaftInventors: Udo Mayer, Hans-Juergen Degen
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Patent number: 5131981Abstract: The wet-end coloring of paper with pigments and fixers is carried out by a process in which the pigment and fixer are added simultaneously to the paper pulp to be colored, and the fixer used is a cationic fixer, in an amount of from 0.01 to 3% by weight, based on the dry paper pulp to be colored.Type: GrantFiled: June 6, 1991Date of Patent: July 21, 1992Assignee: BASF AktiengesellschaftInventors: Erwin Hahn, Georg Henning, Manfred Mielke, Hans-Juergen Degen, Sigberg Pfohl
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Patent number: 4976888Abstract: In antifoams based on oil-in-water emulsions, the oil phase of the emulsions contains(a) a C.sub.12 -C.sub.26 -alcohol, a distillation residue which is obtainable in the preparation of alcohols having a relatively large number of carbon atoms by the oxo process or by the Ziegler process and which may furthermore be oxyalkylated and/or(b) a fatty acid ester of a C.sub.12 -C.sub.22 -carboxylic acid with a monohydric to trihydric C.sub.1 -C.sub.18 -alcohol and, if required,(c) a hydrocarbon having a boiling point above 200.degree. C. or a fatty acid of 12 to 22 carbon atoms,accounts for from 5 to 50% by weight of the emulsion and has a mean particle size of less than 25 .mu.m, and from 5 to 50% by weight of components (a) and (b) of the oil phase are replaced by(d) one or more compounds which melt at above 70.degree. C. and are selected from the group consisting of the fatty alcohols of not less than 28 carbon atoms, the esters of a C.sub.1 -C.sub.Type: GrantFiled: December 30, 1988Date of Patent: December 11, 1990Assignee: BASF AktiengesellschaftInventors: Arnold De Clercq, Wolfram Bergold, Hans-Juergen Degen, Jaroslav Melzer
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Patent number: 4940514Abstract: Paper, board, and cardboard having high dry strength are made by adding to the paper stock a dry strength agent which is obtainable by mixing enzymatically digested starch having a viscosity of from 20 to 2,000 mPa.s (measured in 7.5% strength aqueous solution at 45.degree. C.) and a cationic polymer which contains, as typical copolymerized monomers,(a) diallyldimethylammonium chloride,(b) N-vinylamine or(c) an unsubstituted or substituted N-vinylimidazoline, the K value of the cationic polymer in each case being not less than 30, and draining the paper stock with sheet formation.Type: GrantFiled: July 25, 1988Date of Patent: July 10, 1990Assignee: BASF AktiengesellschaftInventors: Andreas Stange, Hans-Juergen Degen, Werner Auhorn, Volkmar Weberndoerfer, Michael Kroener, Heinrich Hartmann
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Patent number: 4935499Abstract: Paper is colored by a process in which a compound which, in the form of the free acid, is of the formula I ##STR1## where, in each case independently of one another, A is unsubstituted or methyl substituted C.sub.1 -C.sub.6 -alkylene or vinylene,R is each hydrogen or C.sub.1 -C.sub.4 -alkyl,X is each --CO-- or --SO.sub.2 --,K is each a cationic group andY is hydrogen, chlorine or bromine.Type: GrantFiled: September 27, 1988Date of Patent: June 19, 1990Assignee: BASF AktiengesellschaftInventors: Manfred Ruske, Hans-Juergen Degen
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Patent number: 4908240Abstract: The printability of paper is improved by applying an aqueous coating agent consisting of(a) 100 parts by weight of a finely divided pigment,(b) from 5 to 70 parts by weight, based on solids, of a cationic aqueous polymer dispersion of a paper size and(c) from 0.01 to 10 parts by weight of a surfactant which interferes with the formation of the surface size and/or of a polymeric dispersantin an amount of from 0.5 to 4 g/m.sup.2 to one or both surfaces of the paper and drying the coated paper.Type: GrantFiled: September 15, 1988Date of Patent: March 13, 1990Assignee: BASF AktiengesellschaftInventors: Werner Auhorn, Hans-Juergen Degen, Lothar Hoehr, Ulrich Riebeling
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Patent number: 4855343Abstract: Sizes for paper are based on finely divided aqueous dispersions of copolymers which are obtainable by copolymerization of from 10 to 56 parts by weight of a monomer mixture of(a) from 20 to 65% by weight of (meth)acrylonitrile,(b) from 35 to 80% by weight of one or more acrylates of monohydric, saturated C.sub.3 -C.sub.8 -alcohols and(c) from 0 to 10% by weight of other ethylenically unsaturated copolymerizable monomers by an emulsion polymerization method in 100 parts by weight of an aqueous solution of from 1.7 to 25% by weight of a degraded starch having a viscosity .eta..sub.i of from 0.12 to 0.50 dl/g, at from 40.degree. to 100.degree. C. in the presence of a peroxide-containing initiator.Type: GrantFiled: July 16, 1987Date of Patent: August 8, 1989Assignee: BASF AktiengesellschaftInventors: Hans-Juergen Degen, Fritz Reichel, Ulrich Riebeling, Lothar Hoehr
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Patent number: 4835212Abstract: Sizing agents for paper are based on finely divided aqueous dispersions of copolymers obtainable by copolymerizing from 40 to 140 parts by weight of a monomer mixture of(a) from 20 to 65% by weight of (meth)acrylonitrile,(b) from 35 to 80% by weight of one or more acrylates of monohydric saturated C.sub.3 -C.sub.8 -alcohols and(c) from 0 to 10% by weight of other ethylenically unsaturated copolymerizable monomers,the weight percentages (a), (b) and (c) always adding up to 100, in the manner of an emulsion polymerization in 100 parts by weight of an aqueous solution containing in solution from 2.7 to 15% by weight of a degraded starch having a viscosity n.sub.i from 0.04 to less than 0.12 dl/g at from 40.degree. to 100.degree. C. in the presence of a peroxide initiator.Type: GrantFiled: January 20, 1988Date of Patent: May 30, 1989Assignee: BASF AktiengesellschaftInventors: Hans-Juergen Degen, Fritz Reichel, Ulrich Riebeling, Lothar Hoehr
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Patent number: 4818341Abstract: Paper and paperboard of high dry strength are produced by adding a dry strength enhancer to the paper stock and dewatering the paper stock with sheet formation by using as the dry strength enhancer a mixture of a cationic polymer which contains as characteristic monomers copolymerized units of(a) diallyldimethylammonium chloride,(b) N-vinylamine or(c) a substituted or unsubstituted N-vinylimidazoline and has a K value of not less than 30, and natural potato starch which is converted into a water-soluble form by heating in an aqueous medium at above the gelatinization temperature of natural potato starch in the absence of any oxidizing agents or alkali.Type: GrantFiled: February 12, 1988Date of Patent: April 4, 1989Assignee: BASF AktiengesellschaftInventors: Hans-Juergen Degen, Sigberg Pfohl, Volkmar Weberndoerfer, Gerd Rehmer, Michael Kroener, Andreas Stange
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Patent number: 4804387Abstract: Aqueous dye mixtures for black shades containing as dyes essentially those dyes which have the C.I. number 19,140, 40,000 or 47,035, in the form of the alkanolammonium salt, and also the dyes of the formula I, II and/or III ##STR1## where the cations R.sup.+ are each independently of the others an alkanolammonium cation, a substituted or unsubstituted ammonium cation or an alkali metal cation, and the quantities of the individual dyes are such as to produce a black, are suitable in particular for dyeing paper and leather.Type: GrantFiled: November 27, 1987Date of Patent: February 14, 1989Assignee: BASF AktiengesellschaftInventors: Hans-Juergen Degen, Rudolf Bermes, Sigberg Pfohl
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Patent number: 4772359Abstract: Paper, board and cardboard are produced by draining a pulp slurry in the presence of high molecular weight, water-soluble polymers of N-vinylamides as drainage aids, retention agents and flocculants. These polymers are particularly effective in a pulp slurry which has a high content of interfering substances and other phenolic compounds.Type: GrantFiled: May 29, 1987Date of Patent: September 20, 1988Assignee: BASF AktiengesellschaftInventors: Friedrich Linhart, Hans-Juergen Degen, Werner Auhorn, Michael Kroener, Heinrich Hartmann, Wilfried Heide
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Patent number: 4770743Abstract: Engine sizes for paper are based on aqueous emulsions of C.sub.14 -C.sub.20 -alkyl diketenes and cationic copolymers of(a) from 40 to 99% by weight of acrylamide and/or methacrylamide,(b) from 1 to 40% by weight of an unsubstituted or substituted N-vinylimidazoline and(c) from 0 to 30% by weight of an unsubstituted or substituted N-vinylimidazole.Type: GrantFiled: July 10, 1987Date of Patent: September 13, 1988Assignee: BASF AktiengesellschaftInventors: Volkmar Weberndoerfer, Enrique Freudenberg, Hans-Juergen Degen, Ulrich Riebeling
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Patent number: 4671799Abstract: Novel dye mixtures which contain dyes of the general formulae I ##STR1## and II ##STR2## in the form of the alkali metal and ammonium salts, where m and n are each 0 to 4, p and q are each 1 or 2, r is 0 or 1, m+n is 2, 3 or 4, B.sup.1 and B.sup.2 are each hydrogen or chlorine, or B.sup.1 and B.sup.2 together form part of a fused benzene ring which is unsubstituted or substituted by SO.sub.3 H, R.sup.1 and R.sup.2 independently of one another are each hydrogen or unsubstituted or substituted lower alkyl or cyclohexyl, or R.sup.1 and R.sup.2 together with the nitrogen form a saturated heterocyclic structure, and Z is a reactive radical which is usually present in reactive dyes and which is bonded to the diazo or coupling component, are very useful for dyeing paper stocks.Type: GrantFiled: June 26, 1986Date of Patent: June 9, 1987Assignee: BASF AktiengesellschaftInventors: Hans-Juergen Degen, Hans Kraus
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Patent number: 4656256Abstract: Compounds of the formula ##STR1## where Y is chlorine or bromine, Z is hydrogen, chlorine, bromine, a sulfonic ester group, nitro or unsubstituted or substituted sulfamyl, X is --O-- or ##STR2## R is alkylene which may or may not be interrupted by oxygen, ##STR3## m is 1 or 2, n is 0 or 1, p is 0, 1 or 2, q is 1 or 2, R.sup.1 and R.sup.2 independently of one another are each hydrogen, unsubstituted or substituted alkyl, alkenyl, cycloalkyl, aralkyl or aryl, or R.sup.1 and R.sup.2, together with the nitrogen atom, form a heterocyclic structure, R.sup.3 is hydrogen or unsubstituted or substituted alkyl, B is hydrogen or C.sub.1 -C.sub.4 -alkyl, B.sup.1 is hydrogen, hydroxyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkyl, A.sup.- is an anion, R.sup.4 is unsubstituted or substituted alkyl, R.sub.5 is hydrogen or C.sub.1 -C.sub.Type: GrantFiled: May 16, 1985Date of Patent: April 7, 1987Assignee: BASF AktiengesellschaftInventors: Horst Colberg, Hans-Juergen Degen, Johannes P. Dix
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Patent number: 4444959Abstract: Water-soluble benzylated polyamidoamines which contain from 0.1 to 0.9 mole of benzyl groups per equivalent of nitrogen, and onto which from 20 to 400 parts by weight of ethyleneimine or propyleneimine have been grafted per 100 parts by weight of polyamidoamine, processes for the preparation of the materials, and the use of the materials as cationic assistants in processes for coloring paper with acid dyes and/or direct dyes in an aqueous medium. The papers obtained show a high color strength, with substantially no two sidedness of the coloration.Type: GrantFiled: February 19, 1982Date of Patent: April 24, 1984Assignee: BASF AktiengesellschaftInventors: Guenter Frey, Werner Streit, Rolf Fikentscher, Hans-Juergen Degen, Wolf Guender
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Patent number: 4425238Abstract: A process for removing anionic compounds from water which is recycled in manufacturing processes, and from waste water, by adding (1) water-soluble products obtained by reacting an alkylating agent, having an aromatic substituent, with a cationic polyelectrolyte and (2) mineral adsorbents and/or a magnesium salt, aluminum salt or iron salt, with formation and flocculation of water-insoluble reaction products.Type: GrantFiled: February 19, 1982Date of Patent: January 10, 1984Assignee: BASF AktiengesellschaftInventors: Hans-Juergen Degen, Wolf Guender, Friedrich Linhart, Werner Auhorn, Guenter Frey, Werner Streit, Rolf Fikentscher
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Patent number: 4397651Abstract: Polymeric dyes of the general formula I ##STR1## where A is the radical of a methylene-active compound, which may or may not be quaternized,B.sup.1 and B.sup.2 are bridge members which may or may not be quaternized or B.sup.2 may be a direct bond,n is number >1,p is the number of positive charges,R is hydrogen, chlorine, bromine, hydroxyl, C.sub.1 -C.sub.8 -alkyl, nitro, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.8 -alkoxycarbonyl, cyano, hydroxycarbonyl, unsubstituted or substituted carbamyl or unsubstituted or substituted amino,R.sup.1 is hydrogen, chlorine, hydroxyl, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy orR and R.sup.1 together are an unsubstituted or substituted fused ring, or R and R.sup.1 together with B.sup.2 are a heterocyclic radical andA.sup..crclbar. is an anion.Type: GrantFiled: August 10, 1981Date of Patent: August 9, 1983Assignee: BASF AktiengesellschaftInventors: Hans-Juergen Degen, Klaus Grychtol
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Patent number: 4383834Abstract: A process for coloring paper with an acid dye and/or direct dye in an aqueous medium in the presence of a water-soluble reaction product of an alkylating agent, possessing an aromatic substituent, with a cationic polyelectrolyte.The process gives papers with high color strength and substantially avoids cylinder twosidedness of the coloration.Type: GrantFiled: February 19, 1982Date of Patent: May 17, 1983Assignee: BASF AktiengesellschaftInventors: Hans-Juergen Degen, Wolf Guender, Guenter Frey, Werner Streit, Rolf Fikentscher, Klaus Wulz
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Patent number: 4353833Abstract: Compounds of the general formula I ##STR1## where the radicals A, A.sup.1 and B are identical or different andA is unsubstituted or substituted benzene or heteroaromatic,A.sup.1, if n=1, is unsubstituted or substituted heteroaromatic or is aryl which is unsubstituted or substituted by alkyl, aryl, cycloalkyl, chlorine, bromine, hydroxyl, alkoxy, aryloxy, nitro, hydroxycarbonyl, alkoxycarbonyl, or aminocarbonyl, and, if n>1, A.sup.1 may also be aryl substituted by unsubstituted or substituted amino,B is a bridge member of the formula ##STR2## B.sup.1 is a bridge member which may or may not be quaternized, R.sup.1 and R.sup.2 are hydrogen, unsubstituted or substituted alkyl, cycloalkyl, aryl, alkoxy or amino,n is an integer equal to or greater than 1 andX.sup..theta. is an anion.The compounds according to the invention are preferably used for coloring paper pulp.Type: GrantFiled: November 12, 1980Date of Patent: October 12, 1982Assignee: BASF AktiengesellschaftInventors: Horst Bruder, Hans-Juergen Degen, Franz Feichtmayr, Klaus Grychtol, Udo Mayer