Patents by Inventor Jurgen Reiners
Jurgen Reiners 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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Publication number: 20060080784Abstract: Aqueous composition containing a) at least one compound containing carbamoylsulphonate groups and b) at least one alcohol alkoxylate.Type: ApplicationFiled: September 29, 2005Publication date: April 20, 2006Inventors: Michael Ebbinghaus, Franz Heinzelmann, Martin Kleban, Jurgen Reiners
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Publication number: 20040232376Abstract: Chromium-free leather having a waterproofness, measured as penetration time according to DIN 53338, of at least 30 min.Type: ApplicationFiled: October 27, 2003Publication date: November 25, 2004Inventors: Martin Kleban, Ahmet Kaplan, Jurgen Reiners, Henrik Winther
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Patent number: 6576687Abstract: The invention relates to a novel process for the preparation of polycondensate solutions based on polyamidoamine/epichlorohydrin resins that gives products having a very low content of organic chlorine compounds, in particular a 1,3-dichlorophenol-2-propanol content of <0.1%, in combination with high activity and good shelf-life.Type: GrantFiled: July 2, 2001Date of Patent: June 10, 2003Assignee: Bayer AktiengesellschaftInventors: Karl-Rudolf Gassen, Joachim König, Karlheinrich Meisel, Fritz Puchner, Jürgen Reiners, Horst Zwick
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Patent number: 6379751Abstract: The invention relates to polysiloxanes containing carboxyl groups that are useful for imparting water-repellency to substrates, a process for their preparation, a water-repellent system containing such polysiloxanes, and a process for the production of hydrophobic substrates.Type: GrantFiled: December 11, 2000Date of Patent: April 30, 2002Assignee: Bayer AktiengesellschaftInventors: Walter Schäfer, Günter Sackmann, Jürgen Reiners, Tillmann Hassel, Manfred Schnee, Fritz Novotny
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Patent number: 6254644Abstract: The present invention relates to a process for preparing leather by (I) tanning a pelt with (a) an aldehyde, or (b) a bisulphite-blocked polyisocyanate; (II) optionally, retanning the pelt with (a) a polyaspartic acid, a salt of a polyaspartic acid, a polyaspartic acid anhydride, or a mixture thereof, and/or (b) a polyaspartamide; (III) dressing the resultant product by (a) bottoming the product with a polyurethane and one or more natural bottoming assistants, and (b) applying a polyurethane and/or polyesteramide finish; and (IV) optionally, aftertreating the resultant dressed leather with a leather preservative.Type: GrantFiled: August 23, 1999Date of Patent: July 3, 2001Assignee: Bayer AktiengesellschaftInventors: Harro Träubel, Hanns-Peter Müller, Helmut Reiff, Jürgen Reiners, Gerd-Friedrich Renner, Rainhard Koch, Karl Pisaric
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Patent number: 6143132Abstract: The novel AOX-free process for imparting wet strength to paper with water-dispersible polyisocyanates is distinguished by a good wet-strength effect, even under mild drying conditions, and does not affect the activity of optical brighteners used at the same time.Type: GrantFiled: December 16, 1998Date of Patent: November 7, 2000Assignee: Bayer AktiengesellschaftInventors: Harro Traubel, Hans-Josef Laas, Helmut Reiff, Joachim Konig, Jurgen Reiners, Harald Faika
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Patent number: 6090871Abstract: This invention relates to compositions comprising a polyisocyanate having ionic groups or polyether groups and at least one member selected from the group consisting of a naturally occurring polymer, a polysiloxane graft copolymer, a water-dilutable synthetic polymer and a cationic polymer or a naturally occurring polymer and at least one member selected from the group consisting of a polysiloxane graft copolymer, a water-dilutable synthetic polymer and a cationic polymer.Type: GrantFiled: November 5, 1996Date of Patent: July 18, 2000Assignee: Bayer AktiengesellschaftInventors: Jurgen Reiners, Jurgen Kopp, Joachim Konig, Harro Traubel, Eckhard Wenderoth, Bernhard Jansen, Joachim Probst
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Patent number: 6080831Abstract: Cellulose-containing, optionally wood-containing materials which have been obtained using water-dispersible polyisocyanates which in turn have been prepared by reaction of the following starting components:a) modified polyisocyanates of the formula (I) ##STR1## in which: R.sup.1 denotes an aliphatic hydrocarbon radical having 2 to 18 carbon atoms; a cycloaliphatic hydrocarbon radical having 4 to 15 carbon atoms; an aromatic hydrocarbon radical having 6 to 15 carbon atoms or an araliphatic hydrocarbon radical having 8 to 15 carbon atoms,R.sup.2 denotes an aliphatic hydrocarbon radical which has 10 to 35 carbon atoms and optionally contains double bonds,R.sup.3 denotes a hydrocarbon radical which is at least divalent and can also be heterocyclic, with inclusion of the ester oxygen or amide nitrogen from X, ##STR2## where R.dbd.H or C.sub.1 -C.sub.4 -alkyl, or R is a constituent of a cyclic structure,n denotes a number .gtoreq.2 and y denotes a number .gtoreq.Type: GrantFiled: June 19, 1997Date of Patent: June 27, 2000Assignee: Bayer AktiengesellshaftInventors: Bernhard Jansen, Joachim Konig, Bernd Thiele, Jurgen Reiners, Rolf-Volker Meyer
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Patent number: 5885474Abstract: Leather can be pretreated to obtain good body, soft feel, and excellent grain smoothness and solidity with products having a molecular weight of 700 to 30,000 and which are obtainable by reaction ofA. polysuccinimide having a molecular weight, determined as the number-average, of 500 to 10,000, withB. 5 to 90 mol % based on the succinimide units of polysuccinimide A, and/or secondary amine, the nitrogen substituents of which contain 1 to 60 carbon atoms and which can be unsubstituted or substituted, at least 2.5 mol % of the nitrogen substituents of the amine containing at least 12 carbon atoms,C. optionally, (i) derivatives of C.sub.1 -C.sub.18 -monocarboxylic acids, C.sub.2 -C.sub.10 -dicarboxylic acids, and/or (ii) monoisocyanates, diisocyanates epichlorohydrin (for reaction of amino and/or hydroxyl groups on the nitrogen substituents of the reaction product of A and B), andD. 95 to 10 mol % of ring-opening base in the presence of water.Type: GrantFiled: January 28, 1998Date of Patent: March 23, 1999Assignee: Bayer AktiengesellschaftInventors: Jurgen Reiners, Manfred Schnee, Torsten Groth, Winfried Joentgen, Gerd Schmitz, Harro Traubel, Nikolaus Muller
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Patent number: 5739249Abstract: The invention relates to a new process for the preparation of cellulose-containing material provided with a dry-strength and wet-strength finish and/or sized, characterised in that the cellulose-containing material is treated with a water-dispersible polyisocyanate mixture (I), which contains tertiary amino and/or ammonium groups, optionally polyether units and optionally hydrophobic groups.Type: GrantFiled: August 8, 1995Date of Patent: April 14, 1998Assignee: Bayer AktiengesellschaftInventors: Jurgen Reiners, Hans-Josef Laas, Joachim Konig, Helmut Reiff, Joachim Probst, Bruno Bomer, Reinhard Halpaap, Fritz Puchner, Harro Traubel
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Patent number: 5718804Abstract: Process for the production of optionally wood-containing cellulose-containing sheet-like structures, such as paper, pasteboard and card, which have been given a dry strength and/or wet strength treatment and have improved whiteness, using water-dispersible isocyanates, wherein the water-dispersible isocyanates:a) are aliphatic, cycloaliphatic, araliphatic or aromatic isocyanates having an NCO functionality of 1.8 to 4.2, mixed with polyether-modified aliphatic, cycloaliphatic, araliphatic or aromatic isocyanates having an average NCO functionality of 0.8 to 3.2,b) the isocyanate mixtures a) contain 1 to 25% by weight of isocyanate groups,c) have a content of ethylene oxide units, arranged in the form of polyether chains of average molecular weight 10 to 3500 (number-average), of 20 to 60% by weight, based on the isocyanate mixture, and if appropriated) have a content of tertiary amino groups and/or ammonium groups of 1 to 500 milliequivalents per 100 g of isocyanate mixture a).Type: GrantFiled: October 3, 1995Date of Patent: February 17, 1998Assignee: Bayer AktiengesellschaftInventors: Bernhard Jansen, Joachim Konig, Peter Nowak, Jurgen Reiners
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Patent number: 5688371Abstract: Process for fixing anionic interfering substances in papermaking process by the addition of cationic polycondensation products obtained by reactinga) a monofunctional or polyfunctional amine having one or more primary and/or secondary and/or tertiary amino groups withb) cyanamide, dicyandiamide, guanidine or biguanidine, wherein up to 50 mol. % of cyanamide, dicyandiamide or biguanidine may be replaced with a dicarboxylic acid or a mono- or diester thereof, with elimination of ammonia, optionally in the presence of a catalyst,optionally together with other auxiliaries.Type: GrantFiled: June 18, 1996Date of Patent: November 18, 1997Assignee: Bayer AktiengesellschaftInventors: Joachim Konig, Jurgen Kopp, Udo-Winfried Hendricks, Jurgen Reiners, Peter Nowak
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Patent number: 5503714Abstract: The invention relates to a new process for the preparation of cellulose-containing material provided with a dry-strength and wet-strength finish and/or sized, characterized in that the cellulose-containing material is treated with a water-dispersible polyisocyanate mixture (I), which contains tertiary amino and/or ammonium groups, optionally polyether units and optionally hydrophobic groups.Type: GrantFiled: July 30, 1993Date of Patent: April 2, 1996Assignee: Bayer AktiengesellschaftInventors: Jurgen Reiners, Hans-Josef Laas, Joachim Konig, Helmut Reiff, Joachim Probst, Bruno Bomer, Reinhard Halpaap, Fritz Puchner, Harro Traubel
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Patent number: 5434222Abstract: The new process for the preparation of polycondensates from polyamidoamines, epichlorohydrin and if appropriate polyamines, unreacted epichlorohydrin being removed by passing an inert gas through the reaction mixture, produces salt-free reaction products which have very low organic chlorine contents and at the same time very low values for dichloropropanol, chloropropanediol and epichlorohydrin, and are excellently suitable as auxiliaries for paper and textiles.Type: GrantFiled: October 26, 1992Date of Patent: July 18, 1995Assignee: Bayer AktiengesellschaftInventors: Jurgens Reiners, Karl Leiritz, Fritz Puchner
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Patent number: 5344620Abstract: Water-soluble crosslinkable compounds obtainable by reaction of reactive products which contain halogenohydrin groups and have been obtained by reacting polyamines and epihalogenohydrin or 1,3-dihalogeno-2-hydroxy-propane with inorganic bases and subsequently reacting the resulting products with inorganic acids and/or organic acids, can be used as pigment binders and/or crosslinking agents in textile printing pastes.Type: GrantFiled: January 16, 1992Date of Patent: September 6, 1994Assignee: Bayer AktiengesellschaftInventors: Jurgen Reiners, Herbert Wigger, Fritz Puchner
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Patent number: 5171476Abstract: The invention relates to new cleavable surface-active silane derivatives of the formula ##STR1## in which R.sub.1, n, R.sub.2, R.sub.3, X, m and R.sub.4 have the meaning given in the description, and furthermore processes for the preparation of these silane derivatives and the use of these compounds as surfactants.Type: GrantFiled: August 20, 1990Date of Patent: December 15, 1992Assignee: Bayer AktiengesellschaftInventors: Robert Bloodworth, Gunther Penners, Wolfgang Podszun, Jurgen Reiners, Hans Schulze
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Patent number: 5093470Abstract: Crosslinkable compounds obtainable by reaction of water-soluble mono- or polyamines with 2,3-epoxypropyl sulphonates or 2-hydroxypropyl 1,3-bis-sulphonates or their mixtures with up to 15 mol % of an epihalogenohydrin or diyhalogenohydrin are used for imparting wet strength to paper.Type: GrantFiled: August 14, 1991Date of Patent: March 3, 1992Assignee: Bayer AktiengesellschaftInventors: Henning Bachem, Georg Schroder, Carlhans Suling, Jurgen Reiners, Janos Muszik, Dieter Arlt, Manfred Jautelat, Wolf-Dieter Schroer
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Patent number: 5082527Abstract: Crosslinkable compounds obtainable by reaction of water-soluble mono- or polyamines with 2,3-epoxypropyl sulphonates or 2-hydroxypropyl 1,3-bis-sulphonates or their mixtures with up to 15 mol % of an epihalogenohydrin or dihalogenohydrin are used for imparting wet strength to paper.Type: GrantFiled: March 14, 1989Date of Patent: January 21, 1992Assignee: Bayer AktiengesellschaftInventors: Henning Bachem, Georg Schroder, Carlhans Suling, Jurgen Reiners, Janos Muszik, Dieter Arlt, Manfred Jautelat, Wolf-Dieter Schroer
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Patent number: 4975499Abstract: Cationic crosslinkable polyamidoamine resins which are obtainable by reaction of(A) a water-soluble polyamidoamine prepared from(1) aliphatic or aromatic dicarboxylic acids or functional derivatives thereof, such as anhydrides, esters or half-esters, and .omega.-aminocarboxylic acids containing at least 3 C atoms or lactams thereof, and(2) a polyamine mixture of (.alpha.) polyamines which contain at least two amino groups which are capable of amide formation and at least one further secondary or tertiary amino group, and (.beta.) polyamines which contain only two amino groups which are capable of amide formation,(B) with an epihalogenohydrin, in a molar ratio of 0.7 to 3.5 mol of epihalogenohydrin per mol of basic nitrogen in component (A),(C) with an inorganic base and(D) with 0.2 to 9.0 mol of a halogen-free mineral or carboxylic acid, the acid being added in at least an amount to give a pH of at least 5,are used as agents for imparting wet strength to paper.Type: GrantFiled: March 13, 1989Date of Patent: December 4, 1990Assignee: Bayer AktiengesellschaftInventors: Henning Bachem, Janos Muszik, Jurgen Reiners, Carlhans Suling, Wolf-Dieter Schroer
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Patent number: 4952241Abstract: The new (meth)acrylic acid derivatives containing urethane groups can be prepared by reaction of a (meth)acrylic acid ester with diisocyanates and subsequent reaction with polyols. The compounds can be used for dental materials.Type: GrantFiled: July 13, 1989Date of Patent: August 28, 1990Assignee: Bayer AktiengesellschaftInventors: Jurgen Reiners, Wolfgang Podszun, Jens Winkel, Carlhans Suling, Gerhard Klein