Patents by Inventor Rainer Hummerich
Rainer Hummerich 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: 6596386Abstract: A formaldehyde-free aqueous binder comprising A) a free-radically polymerized polymer containing from 5 to 100% by weight of units derived from an ethylenically unsaturated acid anhydride or from an ethylenically unsaturated dicarboxylic acid whose carboxyl groups can form an anhydride group, and B) an alkanolamine having at least two hydroxyl groups, is useful as binder for renewable raw materials in the form of fibers or chips to produce shaped articles.Type: GrantFiled: March 17, 2000Date of Patent: July 22, 2003Assignee: BASF AktiengesellschaftInventors: Bernd Reck, Eckehardt Wistuba, Wilhelm Friedrich Beckerle, Axel Kistenmacher, Robert Rupaner, Rainer Hummerich
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Patent number: 6395824Abstract: Aqueous dispersions comprising a polyurethane which comprises carbodiimide structural units of the formula (I) —N═C═N— (I).Type: GrantFiled: January 28, 2000Date of Patent: May 28, 2002Assignee: BASF AktiengesellschaftInventors: Kuno Beutler, Karl Häberle, Rainer Hummerich, Ulrike Licht, Nicolas Kokel, Reinhard Treiber, Helmut Kaehs, Ralf Mossbach, Thomas Götz
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Patent number: 6146746Abstract: The use of a formaldehyde-free aqueous binder comprisingA) a polymer obtained by free-radical polymerization comprising 5-100% by weight of an ethylenically unsaturated acid anhydride or of an ethylenically unsaturated dicarboxylic acid whose carboxyl groups may form an anhydride group, andB) an alkanolamine having at least two hydroxyl groupsas a coating composition for shaped articles.Type: GrantFiled: August 19, 1998Date of Patent: November 14, 2000Assignee: BASF AktiengesellschaftInventors: Bernd Reck, Eckehardt Wistuba, Wilhelm Friedrich Beckerle, Axel Kistenmacher, Robert Rupaner, Rainer Hummerich
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Patent number: 6103858Abstract: The aqueous dispersion of a biodegradable aliphatic-aromatic polyester is useful as a binder for nonwovens and for coating paper.Type: GrantFiled: March 17, 1999Date of Patent: August 15, 2000Assignee: BASF AktiengesellschaftInventors: Motonori Yamamoto, Volker Warzelhan, Ursula Seeliger, Son Nguyen Kim, Karl-Heinz Schumacher, Rainer Hummerich, Dieter Bernhard Beimborn, Udo Pagga
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Patent number: 6099773Abstract: A method for forming shaped products by mixing a formaldehyde-free aqueous binder comprising A) a free-radically polymerized polymer containing from 5 to 100% by weight of units derived from an ethylenically unsaturated acid anhydride or from an ethylenically unsaturated dicarboxylic acid whose carboxyl group can form an anhydride group, and B) an alkanolamine having at least two hydroxyl groups, with fibers or chips to form a shaped article, wherein said binder has a property of drying at 50.degree. C. in 72 hours to a film from 0.3 to 1 mm in thickness and, following a subsequent 15 minute cure at 130.degree. C. in air, has a gel content of above 50% by weight, wherein the binder includes less than 0.1% by weight, based on A)+B), of a phosphorus-containing reaction accelerant with fibers or chips.Type: GrantFiled: August 21, 1998Date of Patent: August 8, 2000Assignee: BASF AktiengesellschaftInventors: Bernd Reck, Eckehardt Wistuba, Wilhelm Friedrich Beckerle, Axel Kistenmacher, Robert Rupaner, Rainer Hummerich
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Patent number: 6071994Abstract: Formaldehyde-free aqueous binders compriseA) a polymer containing from 5 to [lacuna]% by weight of units derived from an ethylenically unsaturated acid anhydride or from an ethylenically unsaturated dicarboxylic acid whose carboxyl groups can form an anhydride group, andB) an alkanolamine having at least two hydroxyl groups.Type: GrantFiled: August 18, 1998Date of Patent: June 6, 2000Assignee: BASF AktiengesellschaftInventors: Rainer Hummerich, Axel Kistenmacher, Walter Denzinger, Gunnar Schornick, Bernd Reck, Manfred Weber
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Patent number: 6004428Abstract: A process for dissolving a binder off a fiber web bonded therewith includes treating the fiber web, which is bonded with a polymeric binder having carboxylate groups crosslinked via alkaline earth metal cations, with an aqueous solution of an alkali metal salt to form a sparingly soluble salt or complex between the anion of the alkali metal salt and the alkaline earth metal cations, and then removing the fiber freed of the binder.Type: GrantFiled: May 6, 1997Date of Patent: December 21, 1999Assignee: BASF AktiengesellschaftInventors: Karl-Heinz Schumacher, Rainer Hummerich, Howard Peter Kirsch
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Patent number: 5756170Abstract: Packaging films are coated with a polyurethane which bears hydrophilic groups which make the polyurethane water-dispersible and which has a melting point of from 20.degree. to 70.degree. C., with the enthalpy of fusion in this temperature range being at least 20 J/g.Type: GrantFiled: April 15, 1996Date of Patent: May 26, 1998Assignee: BASF AktiengesellschaftInventors: Ulrike Licht, Hermann Seyffer, Jens Rieger, Helmut Kaehs, Rainer Hummerich
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Patent number: 5536766Abstract: A formaldehyde-free binding, impregnating or coating composition comprisesA) a polymer constituted to from 2 to 100% by weight of an ethylenically unsaturated acid or anhydride as comonomer, andB) at least one polyol selected froma triazine of the formula ##STR1## where R.sup.1 to R.sup.3 are each independently of the others a radical X[(C.sub.m H.sub.2m O).sub.n H] or N[(C.sub.m H.sub.2m O).sub.n H].sub.2 where X is NH, O or S, m is from 2 to 5 and n is from 1 to 10,a triazinetrione of the formula ##STR2## where R.sup.4 to R.sup.6 are each independently of the others a radical [(C.sub.m H.sub.2m O).sub.n H] where m is from 2 to 5 and n is from 1 to 10,a benzene or cyclohexyl derivative of the formula ##STR3## where R.sup.7 to R.sup.9 are each independently of the others a radical [X(C.sub.m H.sub.2m O).sub.n H], a radical N[C.sub.m H.sub.2m O).sub.n H].sub.2, a radical [Y(C.sub.m H.sub.2m O).sub.n H] or a radical [(C.sub.m H.sub.2m O).sub.n H] where X is NH, O or S, Y is bivalent C.sub.1 -C.sub.Type: GrantFiled: March 15, 1995Date of Patent: July 16, 1996Assignee: BASF AktiengesellschaftInventors: Hermann Seyffer, Robert Rupaner, Erhard Gunther, Rainer Hummerich
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Patent number: 5100948Abstract: Aqueous formulations suitable as sealing compounds or adhesives for ceramic tiles essentially containA) from 3 to 30% by weight of plastics particles which consist ofa) from 0.1 to 4% by weight of one or more mercaptosilanes of the general formula I ##STR1## where n is from 1 to 8, R.sup.1 and R.sup.2 are hydrogen and/or C.sub.1 -C.sub.4 -alkyl, R.sup.3, R.sup.4 and R.sup.5 are C.sub.1 -C.sub.6 -alkyl and/or C.sub.1 -C.sub.6 -alkoxy, with the proviso that one or more of the radicals R.sup.3 to R.sup.5 is alkoxy, andb) ethylenically unsaturated monomers capable of undergoing free radical polymerization, as the residual amount,the polymer having a glass transition temperature of from -60 to +40.degree. C.,B) from 40 to 90% by weight of an inorganic filler,C) an effective amount of an emulsifier,D) from 0 to 15% by weight external plasticizer andE) from 5 to 40% by weight of water.Type: GrantFiled: June 27, 1990Date of Patent: March 31, 1992Assignee: BASF AktiengesellschaftInventors: Oral Aydin, Rainer Hummerich, Joachim Krobb, Michael Portugall, Falko Ramsteiner, Albrecht Zosel
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Patent number: 4971649Abstract: Tiles are laid using a tile adhesive which is based on a polymer dispersion and conventional additives and contains, as a thickener, a compound of the general formula I ##STR1## where R is a radical of dihydric to hexahydric alcohol of 2 to 10 carbon atoms, which radical is bonded via oxygen, R.sup.1 is alkyl, alkoxymethyl or alkenyloxymethyl or a mixture of these radicals, each having 16 to 30 carbon atoms in the alkyl, alkoxy or alkenyloxy radical, A is --CH.sub.2 CH.sub.2 --O-- (=EO) alone or as a mixture with ##STR2## --CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 --O--, where A is not less than 50, preferably not less than 70, mol % of --CH.sub.2 CH.sub.2 O--, x is from 12 to 500, y has a mean value (averaged over a large number of molecules) of from 0.3 to 5, preferably from 0.5 to 2, and n is an integer from 2 to 6.Type: GrantFiled: March 2, 1989Date of Patent: November 20, 1990Assignee: BASF AktiengesellschaftInventors: Oral Aydin, Peter Fickeisen, Rainer Hummerich, Hans-Helmut Goertz
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Patent number: 4925529Abstract: Light-weight building boards which are based on mineral fibers and thermoplastic binders, may furthermore contain fillers, fireproofing agents and water repellents, contain, as the binder, from 4 to 20%, based on the weight of the mineral fibers, of polymers having a glass transition temperature of from 60.degree. to 110.degree. C., and consisting of not less than 60% by weight, based on the copolymer, of (meth)acrylates of alcohols of 1 to 4 carbon atoms and not more than 40% by weight of (meth)acrylonitrile and/or styrene, and additionally contain salts of polyvalent metals with carboxylic acids of 12 to 36 carbon atoms are distinguished by low water absorption and excellent sound-insulating characteristics, are flame-retardant and exhibit dimensional stability even in the tropics.Type: GrantFiled: October 17, 1985Date of Patent: May 15, 1990Assignee: BASF AktiengesellschaftInventors: Bernhard Dotzauer, Hans Kast, Wilhelm F. Beckerle, Rainer Hummerich
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Patent number: 4861826Abstract: Aqueous dispersions of polyurethanes consisting of(a) organic polyisocyanates,(b) polyesterpolyols having a molecular weight of from 500 to 5,000,(c) organic hydroxy compounds having a molecular weight of from 62 to 400 and two terminal groups which are reactive to isocyanate groups, as chain extenders, and(d) compounds containing ionic groups or groups which can be converted to ionic groups and one or more isocyanate groups or a hydroxyl or amino group which is reactive to isocyanate groups,which contain from 0.05 to 2 meq of ionic groups incorporated into the polyurethane via (d) per g of polyurethane are particularly suitable for adhesives when the chain extenders (c) are incorporated in an amount of from 1.5 to 8 moles per mole of polyols, and a minor amount of (a) can be replaced with monoisocyanates, and a minor amount of (b) with polyetherpolyols.Type: GrantFiled: December 15, 1987Date of Patent: August 29, 1989Assignee: BASF AktiengesellschaftInventors: Rainer Hummerich, Michael Kerber, Lothar Maempel, Peter Weyland
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Patent number: 4731410Abstract: Polyurethane adhesive mixtures or polyurethane adhesive solutions contain(a) a polyurethane elastomer which advantageously has a mean molecular weight of not less than 30,000 and which is prepared by reacting(i) one or more essentially linear polyesterpolyols and(ii) one or more chain extenders with(iii) a mixture of 4,4'- and 2,4'-diphenylmethane diisocyanate isomers in a weight ratio of from 60:40 to 40:60 and(b) if appropriate, additives and/or organic solvents.Type: GrantFiled: July 2, 1986Date of Patent: March 15, 1988Assignee: BASF AktiengesellschaftInventors: Uwe Bueltjer, Rainer Hummerich, Michael Kerber
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Patent number: 4393207Abstract: Alkoxyalkylaminotriazine trans-etherification products are obtained by reacting an alkoxyalkylaminotriazine of the general formula ##STR1## where X is hydrogen, alkyl, phenyl, alkylphenyl or ##STR2## A and B are hydrogen, alkyl, alkenyl or ##STR3## and R and R' are hydrogen or alkyl, with from 0.1 to 6 moles, per mole of alkoxyalkylaminotriazine, of a .beta.-hydroxyaldehyde of the general formula ##STR4## where R", R"' and R"" are identical or different and each is hydrogen or alkyl or R"' and R"" together with the .alpha.-carbon atom form a cyclopentane or cyclohexane ring, and R"' and/or R"" can also be hydroxyalkyl and R"" can also be phenyl, in the presence of an acidic catalyst, and removing the alcohol resulting from the trans-etherification. The alkoxyalkylaminotriazine trans-etherification products may be used in baking finishes and acid-hardening surface coatings.Type: GrantFiled: July 1, 1981Date of Patent: July 12, 1983Assignee: BASF AktiengesellschaftInventors: Rainer Hummerich, Wolfram Weiss, Franz Merger, Guenther Immel, Hans-Joachim Kraus, Karl-Clemens Peters
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Patent number: 4387212Abstract: A process for the preparation of etherified or non-etherified aminoplast resins, wherein an aminotriazine of the general formula (I) ##STR1## where X is hydrogen, alkyl, phenyl, alkylphenyl or --NH.sub.2, is reacted with a .beta.-hydroxyaldehyde of the general formula (II) ##STR2## where R', R" and R'" are identical or different and each is hydrogen or alkyl, or R" and R'", together with the .alpha.-carbon atom, are a cyclopentane or cyclohexane ring, and R" and/or R'" can be hydroxyalkyl and R" can be phenyl, the reaction being carried out in the presence of not less than one alcohol and an acid catalyst for the preparation of etherified aminoplast resins and in the presence or absence of an acid catalyst for the preparation of non-etherified aminoplast resins. The aminoplast resins prepared according to the invention can be used as surface-coatings raw materials.Type: GrantFiled: September 20, 1982Date of Patent: June 7, 1983Assignee: BASF AktiengesellschaftInventors: Rainer Hummerich, Herbert Hahn, Wolfram Weiss, Guenther Immel, Hans-Joachim Krause, Karl-Clemens Peters