Patents by Inventor Hans-Peter Seelmann-Eggebert

Hans-Peter Seelmann-Eggebert 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: 11540513
    Abstract: Described herein is an aqueous composition including particles coated with at least one non-amphoteric, quaternizable polymer which is water soluble at 20° C., and at least one dispersing component, where the dispersing component includes a dispersing agent selected from an amphiphilic graft polymer based on water-soluble polyalkylene oxides (A) as a graft base and side chains formed by polymerization of a vinyl ester component (B), the polymer having an average of ?1 graft site per 50 alkylene oxide units and a mean molar mass Mw of from 3000 to 100 000.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: January 3, 2023
    Assignee: BASF SE
    Inventors: Hans-Peter Seelmann-Eggebert, Joachim Bentele, Simon Poulton
  • Publication number: 20210307317
    Abstract: Described herein is a polymeric stabilizing agent selected from poly-lysine derivatives obtained by process including heating an aqueous lysine solution to boiling, increasing a temperature of the aqueous lysine solution to a reaction temperature in the range of about 105° C. to about 180° C., and keeping the reaction temperature in the range of about 105° C. to about 180° C. until a melt viscosity of the reaction mixture is in the range of about 350 mPa*s to about 6,500 mPa*s, and (ii) an amine number in the range of about 100 mg KOH/g to about 500 mg KOH/g is achieved. The process also includes adding alkyl-carboxylic acid or alkenyl-carboxylic acid in amounts of 2.5 mol % to 10 mol %, and increasing or keeping the reaction temperature in the range of about 105° C. to about 180° C. until number of free alkyl-carboxylic acid or alkenyl-carboxylic acid is ?9% by weight.
    Type: Application
    Filed: May 11, 2018
    Publication date: October 7, 2021
    Inventors: Markus Kalt, Janine Rude, Helmut Witteler, Markus Meise, Frank Klippel, Tina Schroeder-Grimonpont, Hans-Peter Seelmann-Eggebert
  • Publication number: 20210289773
    Abstract: Described herein is a poly-lysine derivative obtained by a process including heating an aqueous lysine solution to boiling, increasing a temperature of the aqueous lysine solution to a reaction temperature in the range of about 105° C. to about 180° C., and keeping the reaction temperature in the range of about 105° C. to about 180° C. until (i) a melt viscosity of the reaction mixture is in the range of about 350 mPa*s to about 6,500 mPa*s, and (ii) an amine number in the range of about 100 mg KOH/g to about 500 mg KOH/g is achieved. The process also includes adding alkyl-carboxylic acid or alkenyl-carboxylic acid in amounts of 2.5 mol % to 10 mol %, and increasing or keeping the reaction temperature in the range of about 105° C. to about 180° C. until number of free alkyl-carboxylic acid or alkenyl-carboxylic acid is ?9% by weight.
    Type: Application
    Filed: April 17, 2018
    Publication date: September 23, 2021
    Inventors: Markus Kalt, Helmut Witteler, Tina Schroeder-Grimonpot, Markus Meise, Hans-Peter Seelmann-Eggebert, Frank Klippel
  • Patent number: 10899932
    Abstract: The present invention relates to particles based on inorganic, organic compounds, sulfur and/or diamond, coated with a nonampholytic, quaternizable polymer which is water-soluble at 20° C., and also to their use. The invention likewise pertains to a method for depositing these disperse particles in a metallic phase on the surface of a substrate.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: January 26, 2021
    Assignee: BASF SE
    Inventors: Hans-Peter Seelmann-Eggebert, Tobias Urban
  • Publication number: 20190313637
    Abstract: Described herein is an aqueous composition including particles coated with at least one non-amphoteric, quaternizable polymer which is water soluble at 20° C., and at least one dispersing component, where the dispersing component includes a dispersing agent selected from an amphiphilic graft polymer based on water-soluble polyalkylene oxides (A) as a graft base and side chains formed by polymerization of a vinyl ester component (B), the polymer having an average of ?1 graft site per 50 alkylene oxide units and a mean molar mass Mw of from 3000 to 100 000.
    Type: Application
    Filed: December 21, 2017
    Publication date: October 17, 2019
    Inventors: Hans-Peter Seelmann-Eggebert, Joachim Bentele, Simon Poulton
  • Publication number: 20180334569
    Abstract: The present invention relates to particles based on inorganic, organic compounds, sulfur and/or diamond, coated with a nonampholytic, quaternizable polymer which is water-soluble at 20° C., and also to their use. The invention likewise pertains to a method for depositing these disperse particles in a metallic phase on the surface of a substrate.
    Type: Application
    Filed: October 23, 2015
    Publication date: November 22, 2018
    Inventors: Hans-Peter Seelmann-Eggebert, Tobias Urban
  • Publication number: 20180118951
    Abstract: The present invention relates to particles based on inorganic, organic compounds, sulfur and/or diamond, coated with a nonampholytic, quaternizable polymer which is water-soluble at 20° C., and also to their use. The invention likewise pertains to a method for depositing these disperse particles in a metallic phase on the surface of a substrate.
    Type: Application
    Filed: October 23, 2015
    Publication date: May 3, 2018
    Inventors: Hans-Peter Seelmann-Eggebert, Tobias Urban
  • Patent number: 9487845
    Abstract: Aqueous leachant compositions and processes for using the same comprising: (a) providing a metal-containing compound; and (b) subjecting the metal-containing compound to an acid digestion comprising contacting the metal-containing compound with an aqueous leachant; wherein the aqueous leachant comprises a mixture selected from the group consisting of: (i) sulfuric acid and one or more alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of alkanesulfonic acid to sulfuric acid of 1:1000 to 1:1; (ii) sulfuric acid and one or more salts of alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of salt of alkanesulfonic acid to sulfuric acid of 1:9 to 1:99.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: November 8, 2016
    Assignee: BASF SE
    Inventors: Thomas Heidenfelder, Helmut Witteler, Bernd Laubusch, Hans-Peter Seelmann-Eggebert
  • Publication number: 20130236386
    Abstract: The invention relates to the use of modified polyglycols for production of cooling and/or lubricating fluids, to novel cooling and/or lubricating fluids, to the use of the cooling and/or lubricating fluids in the removal of material, especially in the cutting of wafers, and to wafers produced with the aid of the cutting fluid.
    Type: Application
    Filed: January 28, 2013
    Publication date: September 12, 2013
    Inventors: Hans-Peter Seelmann-Eggebert, Sophie Maitro-Vogel, Eva-Maria Reis-Walther, Joachim Bentele, Lena Alveborn-Jansson
  • Publication number: 20120264879
    Abstract: This invention relates to a process for producing coatings based on an LCST polymer and to formed articles obtainable by the process.
    Type: Application
    Filed: April 3, 2012
    Publication date: October 18, 2012
    Applicant: Basf Se
    Inventors: Thomas WEISS, Hans-Peter Seelmann-Eggebert, Christian Hubert Weidl, Roman Benedikt Raether
  • Publication number: 20120264872
    Abstract: The invention relates to LCST polymers and their preparation and use.
    Type: Application
    Filed: April 3, 2012
    Publication date: October 18, 2012
    Applicant: BASF SE
    Inventors: Thomas Weiss, Hans-Peter Seelmann-Eggebert, Andrea Misske, Wolfgang Spiegler
  • Patent number: 8287616
    Abstract: A composition for cyanide leaching which comprises at least one nonionic surfactant and a process for extracting metals using the abovementioned composition are described.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: October 16, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Peter Seelmann-Eggebert, Guenter Oetter, Arturo Berastain, Cesar Ostos Rios
  • Publication number: 20120034146
    Abstract: The invention relates to improved novel carrier fluids for abrasives, in particular cutting fluids, for wafer production, the use thereof and a method of cutting wafers.
    Type: Application
    Filed: August 1, 2011
    Publication date: February 9, 2012
    Applicant: BASF SE
    Inventors: Hans-Peter SEELMANN-EGGEBERT, Andreas SENF, Markus Roesch, Joachim BENTELE, Kati SCHMIDT, Udo STEFANOWSKI
  • Publication number: 20110217222
    Abstract: Aqueous leachant compositions and processes for using the same comprising: (a) providing a metal-containing compound; and (b) subjecting the metal-containing compound to an acid digestion comprising contacting the metal-containing compound with an aqueous leachant; wherein the aqueous leachant comprises a mixture selected from the group consisting of: (i) sulfuric acid and one or more alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of alkanesulfonic acid to sulfuric acid of 1:1000 to 1:1; (ii) sulfuric acid and one or more salts of alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of salt of alkanesulfonic acid to sulfuric acid of 1:9 to 1:99.
    Type: Application
    Filed: May 12, 2011
    Publication date: September 8, 2011
    Applicant: BASF SE
    Inventors: Thomas Heidenfelder, Helmut Witteler, Bernd Laubusch, Hans-Peter Seelmann-Eggebert
  • Patent number: 7862785
    Abstract: An aqueous sulfuric acid-containing composition which comprises at least one surfactant, and a process for extricating metal from metal-containing materials with the aid of this aqueous sulfuric acid-containing composition are described.
    Type: Grant
    Filed: December 23, 2005
    Date of Patent: January 4, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Peter Seelmann-Eggebert, Guenter Oetter, Carlos Rene Ponce Brodersen, Ricardo Daniel Lopez Lopez Pinochet, Arturo Berastain
  • Patent number: 7608653
    Abstract: The present invention relates to a coating material formulation comprising a mixture comprising as component a1 at least one surfactant and as component a2 at least one compound corresponding to the general formula (I) R1—O—(CH2—CHR2—O)n—(CH2—CH2—O)m—R3??(I) in which R1 is phenyl or substituted phenyl, C4-C14 alkyl, R2 is C1-C8 alkyl, R3 is hydrogen, C1-C6 alkyl, benzoyl, acetyl, acryloyl, methacryloyl, n has an average value of 0 to 10, m has an average value of 1 to 10, where n+m?10 and m>n, and the alkylene oxide structural units, which are different if appropriate, can be distributed randomly or arranged in blocks, 1%-95% by weight of film-forming binders and resins, 0%-80% by weight of fillers, 0%-40% by weight of pigments, 0%-20% by weight of additives and 0%-90% by weight of organic solvents and/or water, the sum of the weight percentages being 100% by weight, and to the use of the mixture of the invention for lowering the surface tension in a coating material by addition to the coating material
    Type: Grant
    Filed: July 15, 2005
    Date of Patent: October 27, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Christian Wulff, Hans-Peter Seelmann-Eggebert, Susanne Stutz, Guenter Oetter
  • Publication number: 20090078087
    Abstract: Aqueous leachant compositions and processes for using the same comprising: (a) providing a metal-containing compound; and (b) subjecting the metal-containing compound to an acid digestion comprising contacting the metal-containing compound with an aqueous leachant; wherein the aqueous leachant comprises a mixture selected from the group consisting of: (i) sulfuric acid and one or more alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of alkanesulfonic acid to sulfuric acid of 1:1000 to 1:1; (ii) sulfuric acid and one or more salts of alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of salt of alkanesulfonic acid to sulfuric acid of 1:9 to 1:99.
    Type: Application
    Filed: February 28, 2007
    Publication date: March 26, 2009
    Applicant: BASF Aktiengesellschaft Patents, Trademarks, and Licenses
    Inventors: Thomas Heidenfelder, Helmut Witteler, Bernd Laubusch, Hans-Peter Seelmann-Eggebert
  • Publication number: 20080264799
    Abstract: A process for the electrolytic treatment of metal-containing solutions, wherein at least one nonionic surfactant is used in the electrolyte solution, the surfactant reducing the surface tension of the electrolyte solution at a surfactant concentration of 0.2% by weight and a temperature of 24° C. in an aqueous solution with 190 g/l of sulfuric acid and 157 g/l of copper sulfate, which is diluted with water in a ratio of 1:10, by from 20 to 60%, is useful for working up ores or the purification of metals, like copper, chromium, nickel, zinc, gold and silver.
    Type: Application
    Filed: February 13, 2006
    Publication date: October 30, 2008
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Hans-Peter Seelmann-Eggebert, Joachim Bentele, Carlos Rene Ponce Brodersen, Walter Dissinger, Ricardo Daniel Lopez Pinochet
  • Publication number: 20080196546
    Abstract: A composition for cyanide leaching which comprises at least one nonionic surfactant and a process for extracting metals using the abovementioned composition are described.
    Type: Application
    Filed: December 22, 2005
    Publication date: August 21, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Hans-Peter Seelmann-Eggebert, Gunter Oetter, Arturo Berastain, Cesar Ostos Rios
  • Publication number: 20080139433
    Abstract: Mixtures comprising (a) pieces of open-cell aminoplastic foam with an average diameter in the range from 50 ?m to 5 mm (weight-average), (b) water, (c) at least one surfactant and (d) if appropriate an oil or fat phase.
    Type: Application
    Filed: January 23, 2006
    Publication date: June 12, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Christof Mock, Gunnar Schornick, Stefan Frenzel, Moritz Ehrenstein, Ernst Jurgen Bauer, Antje Ziemer, Hans-Peter Seelmann-Eggebert