Patents by Inventor Joachim Probst

Joachim Probst 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).

  • Patent number: 5955544
    Abstract: Graft polymers of unsaturated monomers onto anionically modified polyureas are outstandingly suitable as binders in the coating of any desired substrates, for example leather.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: September 21, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Joachim Probst, Tillmann Hassel, Thomas Munzmay
  • Patent number: 5739249
    Abstract: 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: Grant
    Filed: August 8, 1995
    Date of Patent: April 14, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Reiners, Hans-Josef Laas, Joachim Konig, Helmut Reiff, Joachim Probst, Bruno Bomer, Reinhard Halpaap, Fritz Puchner, Harro Traubel
  • Patent number: 5587443
    Abstract: New compounds corresponding to formula (I) ##STR1## and their use as emulsifiers for aqueous emulsions and, in the case of carboxylic acid derivatives, also as reactive groups for linking to biologically active substrates. New polymers synthesized from the emulsifiers and other monomers are also claimed.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: December 24, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ludger Heiliger, Adolf Schmidt, Joachim Probst
  • Patent number: 5563207
    Abstract: Water-dispersible polyisocyanate compositions based on aliphatic and aromatic diisocyanates and having an NCO content, based on solids, of 6 to 21% by weight, a weight ratio of incorporated TDI units to incorporated HDI units of 6:1 to 0.1:1 and a content of ethylene oxide units, arranged within terminal polyether chains, of 5 to 40% by weight; a method for the preparation of these polyisocyanate compositions by reacting a polyisocyanate component with monovalent polyether alcohols containing ethylene oxide units at an NCO/OH equivalent ratio of 2:1 to 120:1; and aqueous coating compositions containing these polyisocyanate compositions and polyhydroxyl compounds as the binder.
    Type: Grant
    Filed: April 25, 1995
    Date of Patent: October 8, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Martin Brahm, Wolfgang Kremer, Lutz Schmalstieg, Joachim Probst, Werner Kubitza
  • Patent number: 5552477
    Abstract: An aqueous two-component coating agent whose binder consists essentially of a combination of a) a polyol component present dissolved and/or dispersed in water comprising a1) at least one water-dilutable polymerisation resin or polycondensation resin with a molecular weight Mn of over 500 possessing hydroxyl groups and a2) a reactive diluent consisting of at least one water-soluble compound with a molecular weight Mn of under 500 capable of reacting with isocyanate groups and b) a polyisocyanate component with a viscosity at 23.degree. C. of from 50 to 10 000 mPa present emulsified in the aqueous solution or dispersion, a method for producing such coating agents wherein the said polyisocyanate component is emulsified in the said aqueous solution or dispersion with the optional incorporation of auxiliary substances and additives in the system prior to adding the polyisocyanate, and the use of the coating agents for the production of air-drying and/or heat-drying coatings.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: September 3, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rolf Dhein, Knud Reuter, Lothar B acker, Manfred Bock, Werner Kubitza, Joachim Probst
  • Patent number: 5503714
    Abstract: 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: Grant
    Filed: July 30, 1993
    Date of Patent: April 2, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Reiners, Hans-Josef Laas, Joachim Konig, Helmut Reiff, Joachim Probst, Bruno Bomer, Reinhard Halpaap, Fritz Puchner, Harro Traubel
  • Patent number: 5468804
    Abstract: A water-dispersible polyisocyanate composition obtained by the partial urethanization of the isocyanate groups of 2,4- and/or 2,6-diisocyanatotoluene with monohydric and polyhydric alcohols, a process for its production, its use as the binder for an aqueous two-component coating composition in combination with a water-soluble or water-dispersible polyhydroxyl component and coatings for water-resistant sheet-form substrates prepared from this coating composition.
    Type: Grant
    Filed: September 15, 1994
    Date of Patent: November 21, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Schmalstieg, Wolfgang Kremer, Martin Brahm, Joachim Probst, Werner Kubitza
  • Patent number: 5468257
    Abstract: Specific cationic polymers having hydrophobic side chains are highly suitable as binders for pigments for the dyeing of leather.
    Type: Grant
    Filed: December 17, 1993
    Date of Patent: November 21, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Joachim Probst, Fritz Novotny, Harro Traubel, Ludger Heiliger
  • Patent number: 5380924
    Abstract: New compounds corresponding to formula (I) ##STR1## and their use as emulsifiers for aqueous emulsions and, in the case of carboxylic acid derivatives, also as reactive groups for linking to biologically active substrates. New polymers synthesized from the emulsifiers and other monomers are also claimed.
    Type: Grant
    Filed: January 13, 1993
    Date of Patent: January 10, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ludger Heiliger, Adolf Schmidt, Joachim Probst
  • Patent number: 5372731
    Abstract: Textiles can be finished in a wash- and cleaning-resistant manner by impregnation if aqueous dispersions are employed for this purpose which contain reactive copolymers and/or cocondensates having perfluoroalkyl groups and water-dispersible polyisocyanate mixtures whose NCO groups are not blocked.
    Type: Grant
    Filed: March 3, 1993
    Date of Patent: December 13, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gisbert Michels, Hans-Albert Ehlert, Hans-Josef Laas, Joachim Probst, Helmut Reiff, Rolf-Volker Meyer
  • Patent number: 5336711
    Abstract: The present invention relates to an aqueous binder composition containingA) an aqueous solution or dispersion of a water-dilutable organic polyol component containing at least one polyester resin having carboxylate and hydroxyl groups and grafted with vinyl monomers andB) a polyisocyanate component which is emulsified in the aqueous solution or dispersion A), has a viscosity at 23.degree. C. of 50 to 10,000 mPa.s and contains at least one organic polyisocyanate,wherein the binder composition has an NCO/OH equivalent ratio of 0.5:1 to 5:1, based on the isocyanate groups of component B) and the alcoholic hydroxyl groups of component A).The present invention also relates to a process for the production of a coating or sealing composition containing this aqueous binder composition.
    Type: Grant
    Filed: November 9, 1992
    Date of Patent: August 9, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Volker Schneider, Harald Blum, Werner Kubitza, Joachim Probst
  • Patent number: 5331039
    Abstract: The present invention relates to a water-based binder composition containingA) an aqueous solution or dispersion of a water-dilutable organic polyol component containing a mixture of at least 5% by weight each of at least two hydroxy-functional polymers selected fromA1) polyester resins containing hydroxyl, urethane and carboxylate groups,A2) polyester resins containing hydroxyl and carboxylate groups, but no urethane or sulfonate groups,A3) polyester resins containing hydroxyl and sulfonate groups and, optionally, carboxylate groups and/or urethane groups,A4) polyacrylate resins containing hydroxyl, carboxylate and/or sulfonate groups,A5) acrylate-grafted polyester resins containing hydroxyl, carboxylate and/or sulfonate groups, andB) a polyisocyanate component which is emulsified in the aqueous solution or dispersion A), has a viscosity at 23.degree. C. of 50 to 10,000 mPa.
    Type: Grant
    Filed: November 9, 1992
    Date of Patent: July 19, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Harald Blum, Werner Kubitza, Joachim Probst, Michael Sonntag, Volker Schneider
  • Patent number: 5314721
    Abstract: The new vinyl polymer dispersions are obtainable by free radical polymerisation of olefinically unsaturated monomers in the presence of a cationic polyamidoamine which has been rendered hydrophobic, and can be used as sizing agents for paper which are distinguished, in particular, by their shear, electrolyte, heat and storage stability.
    Type: Grant
    Filed: January 5, 1993
    Date of Patent: May 24, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Muller, Joachim Probst, Heinrich Alberts, Joachim Konig, Heinz Baumgen, Fritz Puchner
  • Patent number: 5288787
    Abstract: Emulsion polymers obtainable by emulsifying a mixture consisting ofA) 5 to 95 % by weight of at least one monomer from the series consisting of acrylonitrile, methacrylonitrile, optionally substituted styrene, vinyl carboxylate andB) 5 to 95 % by weight of acrylic and/or methacrylic esters,the sum of components A)+B) being 100% by weight, in the presence of an aqueous solution or dispersion of an anionically modified polyurethane, preferably containing --SO.sub.3.sup.-Me.sup.+ and/or -COO.sup.- Me.sup.+ groups (Me.sup.+ =cation, preferably H.sup.+, Na.sup.+, K.sup.+, Li.sup.+, NH.sub.4.sup.+ or a substituted ammonium ion), and subjecting the resulting emulsion to a polymerization initiated by free radicals.The emulsion polymers produced are preferably used as surface sizing agents for paper.
    Type: Grant
    Filed: June 10, 1991
    Date of Patent: February 22, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Sackmann, Wolfgang Henning, Joachim Probst, Joachim Konig, Heinz Baumgen
  • Patent number: 5075370
    Abstract: The present invention is directed to a two-component coating composition which contains as binder componentsa) a polyol component containing at least one hydroxyl-containing polymer having chemically incorporated carboxylate and/or sulfonate groups and based on olefinically unsaturated compounds andb) a polyisocyanate component having a viscosity at 23.degree. C. of about 50 to 10,000 mPa.s and based on at least one organic polyisocyanatein quantities corresponding to an NCO/OH equivalent ratio of about 0.5:1 to 5:1, characterized in that component a) is an aqueous solution and/or dispersion of a polymer containing hydroxyl groups in which the polyisocyanate component b) is present in emulsified form.The present invention also relates to a process for the production of this coating composition which is characterized in that a polyisocyanate component having a viscosity at 23.degree. C. of about 50 to 10,000 mPa.
    Type: Grant
    Filed: August 18, 1989
    Date of Patent: December 24, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Werner Kubitza, Hermann Gruber, Joachim Probst
  • Patent number: 4997873
    Abstract: Aqueous dispersions of copolymers and graft copolymers which are formed from ethylenically unsaturated perfluoroalkyl monomers and ethylenically unsaturated monomers from from perfluoroalkyl groups and which are prepared in the presence of emulsifiers containing cationic groups are used for imparting a water-repellent and oleo-repellent finish to textiles, leather and paper.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: March 5, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Carlhans Suling, Jutta Rottger, Henning Bachem, Joachim Probst, Wilfried Kortmann
  • Patent number: 4918135
    Abstract: An improved coating for heat resistant substrates is an aqueous dispersion of polymers prepared by polymerization of olefinically unsaturated monomers in an aqueous medium in the presence of radical formers and emulsifiers, wherein the emulsifiers are polyisocyanate addition products having a molecular weight below 20,000 and containing from 5 to 1000 milliequivalents of anionic structures corresponding to the following formula--NH--CO--N.sup..crclbar. --C.tbd.Nincorporated therein per 100 g of solids content.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: April 17, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Joachim Probst, Walter Schafer, Klaus Schuster, Heinrich Alberts, Hanns P. Muller, Adolf Schmidt, Wolfhart Wieczorrek
  • Patent number: 4918129
    Abstract: Aqueous polymer dispersions useful for coating substrates are prepared by polymerization of olefinically unsaturated monomers in aqueous medium in the presence of radical formers and hydrophilically modified, urethane-group-containing emulsifiers having an average molecular weight below 30,000, wherein the urethane-group-containing emulsifiers are oligourethanes having a branched molecular structure which(i) are produced from organic polyisocyanates and organic compounds containing isocyanate-reactive groups with the reactants containing hydrophilic groups or groups convertible into hydrophilic groups and which are monofunctional or difunctional to isocyanate addition reaction, with the molar ratio of monofunctional hydrophilic components to the corresponding difunctional components being at least 2:1, and which(ii) have a content of chemically incorporated hydrophilic groups sufficient to impart the oligourethane solubility or dispersibility in water, with the proviso that, on a statistical average, at least
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: April 17, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Joachim Probst, Josef Pedain, Bruno Bomer, Adolf Schmidt, Wolfhart Wieczorrek
  • Patent number: 4904727
    Abstract: Emulsion polymers obtained by emulsifying a monomer mixture of(A) 5-95% by weight of acrylonitrile, methacrylonitrile and/or substituted or unsubstituted styrene and(B) 5-95% by weight of acrylic and/or methacrylic acid esters containing 1-12 carbon atoms in the alcohol group,the sum of components (A)+(B) amounting to 100% by weight, in the presence of an aqueous solution or dispersion of a water soluble or water dispersible, cationically modified polyurethane, and subjecting the resulting emulsion to a radically initiated polymerization. The emulsion polymers are preferably used as paper sizes or in paper sizes together with conventional additives.
    Type: Grant
    Filed: March 2, 1989
    Date of Patent: February 27, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Joachim Probst, Wolfgang Henning, Heinz Baumgen, Joachim Konig
  • Patent number: 4832989
    Abstract: Activator formulations which contain copolymers of (meth)acrylonitrile, styrenes, acrylates and/or unsaturated acids as binders are excellently suitable for preparing nonmetallic substrate surfaces for electroless metallization.The metal deposits produced are notable for good bond strength.
    Type: Grant
    Filed: July 10, 1987
    Date of Patent: May 23, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Henning Giesecke, Gerhard D. Wolf, Joachim Probst, Klaus Schuster