Patents by Inventor Volker Braig

Volker Braig 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: 9833769
    Abstract: The invention relates to a process for producing water-absorbing polymer particles with high free swell rate, comprising the steps of polymerization, drying, grinding, classification and thermal surface postcrosslinking, remoisturization and drying again.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: December 5, 2017
    Assignee: BASF SE
    Inventors: Thomas Daniel, Volker Braig, Asif Karim
  • Patent number: 9433697
    Abstract: The present invention relates to odor-inhibiting compositions comprising water-absorbing polymer particles and metal peroxides, and to the production thereof.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: September 6, 2016
    Assignee: BASF SE
    Inventors: Volker Braig, Thomas Daniel, Rupert Konradi, Herbert Platsch, Bettina Sobotka, Axel Jentzsch
  • Publication number: 20150090934
    Abstract: The present invention relates to odor-inhibiting compositions comprising water-absorbing polymer particles and metal peroxides, and to the production thereof.
    Type: Application
    Filed: December 8, 2014
    Publication date: April 2, 2015
    Applicant: BASF SE
    Inventors: Volker Braig, Thomas Daniel, Rupert Kohradi, Herbert Platsch, Bettina Sobotka, Axel Jentzsch
  • Patent number: 8951495
    Abstract: The present invention relates to odor-inhibiting compositions comprising water-absorbing polymer particles and metal peroxides, and to the production thereof.
    Type: Grant
    Filed: August 23, 2010
    Date of Patent: February 10, 2015
    Assignee: BASF SE
    Inventors: Volker Braig, Thomas Daniel, Rupert Konradi, Herbert Platsch, Bettina Sobotka, Axel Jentzsch
  • Publication number: 20130331260
    Abstract: Superabsorbents comprising fluorofamide exhibit superior odour control without being biocides.
    Type: Application
    Filed: June 3, 2013
    Publication date: December 12, 2013
    Inventors: Olaf Hoeller, Volker Braig, Thomas Daniel, Patrick Hamilton
  • Patent number: 8540974
    Abstract: Aqueous dispersions of water-soluble and/or water-swellable anionic polymers which are obtainable by free radical polymerization of ethylenically unsaturated, anionic monomers in an aqueous medium in the presence of at leas one stabilizer, the polymerization being carried out in the presence of at least one water-soluble polymer of the groups consisting of (a) graft polymers of vinyl acetate and/or vinyl propionate on (i) polyethylene glycols or (ii) polyethylene glycols or polypropylene glycols blocked at one or both terminal groups with alkyd carboxyl or amino groups, polyalkylene glycols, polyalkylene glycols blocked at one or both terminal groups with alkyl carboxy or amino groups and (b) water-soluble copolymers of (b1) nonionic monoethylenically unsaturated monomers, (b2) cationic monoethylenically unsaturated monomers and if appropriate (b3) anionic monoethylenically unsaturated monomers, the fraction of the interpolymerized cationic monomers being greater than that of the anionic monomers, as a
    Type: Grant
    Filed: July 30, 2005
    Date of Patent: September 24, 2013
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Braig, Werner Gauweiler, Pulakesh Mukherjee, Christian Hubert Weidl
  • Patent number: 8541528
    Abstract: A process for producing water-absorbing polymer particles, wherein an aqueous polymer gel is dried in a forced-air belt drier on a circulating conveyor belt and the surface of the conveyor belt has a multitude of elevations or depressions which are suitable for restricting the mobility of the aqueous polymer gel in transverse direction.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: September 24, 2013
    Assignee: BASF SE
    Inventors: Rüdiger Funk, Thomas Pfeiffer, Matthias Weismantel, Stefan Blei, Wilfried Heide, Volker Braig, Thomas Gieger, Andreas Brockmeyer
  • Patent number: 8372765
    Abstract: The present invention relates to a process for producing odor-inhibiting water-absorbing composites comprising water-absorbing polymer particles and fibers, wherein the fibers are premixed with at least one metal peroxide, metal hyperoxide or metal ozonide.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: February 12, 2013
    Assignee: BASF SE
    Inventors: Volker Braig, Thomas Daniel
  • Patent number: 8314173
    Abstract: Water-absorbing polymeric particles are produced by polymerizing a monomer solution or suspension comprising at least one unsaturated carboxylic acid and at least one hydroquinone monoether, and coating the polymeric particles with at least one salt of a tervalent metal cation of a carboxylic acid and/or at least one basic salt of a tervalent metal cation.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: November 20, 2012
    Assignee: BASF SE
    Inventors: Ulrich Riegel, Thomas Daniel, Uwe Stueven, Mark Elliott, Volker Braig, Michael de Marco
  • Patent number: 8252857
    Abstract: A process for producing odor-inhibiting water-absorbing polymer particles based on ethylenically unsaturated monomers bearing acid groups, wherein the polymer particles are coated with a chelating agent and a tannin.
    Type: Grant
    Filed: May 4, 2010
    Date of Patent: August 28, 2012
    Assignee: BASF SE
    Inventors: Volker Braig, Thomas Daniel, Axel Jentzsch, Andreas Brockmeyer
  • Publication number: 20120211699
    Abstract: The invention relates to a process for producing water-absorbing polymer particles with high free swell rate, comprising the steps of polymerization, drying, grinding, classification and thermal surface postcrosslinking, remoisturization and drying again.
    Type: Application
    Filed: February 3, 2012
    Publication date: August 23, 2012
    Applicant: BASF SE
    Inventors: Thomas Daniel, Volker Braig, Asif Karim
  • Patent number: 8242191
    Abstract: A process for producing odor-inhibiting water-absorbing polymer particles based on ethylenically unsaturated monomers bearing acid groups, wherein the acid groups have been neutralized to an extent of from 40 to 70 mol % and the polymer particles are coated with a condensed tannin and/or a hydrolyzable tannin.
    Type: Grant
    Filed: November 4, 2009
    Date of Patent: August 14, 2012
    Assignee: BASF SE
    Inventors: Volker Braig, Thomas Daniel, Axel Jentzsch, Andreas Brockmeyer
  • Publication number: 20120058074
    Abstract: The present invention relates to odor-inhibiting compositions comprising water-absorbing polymer particles and at least one oxidase.
    Type: Application
    Filed: May 10, 2010
    Publication date: March 8, 2012
    Applicant: BASF SE
    Inventors: Volker Braig, Thomas Daniel
  • Patent number: 8097126
    Abstract: The present invention relates to an aqueous composition comprising at least one finely divided filler and at least one water-soluble amphoteric copolymer, a process for the preparation of such a composition and its use as an additive in the production of paper, cardboard and board.
    Type: Grant
    Filed: July 15, 2005
    Date of Patent: January 17, 2012
    Assignee: BASF SE
    Inventors: Hans-Joachim Haehnle, Anton Esser, Volker Braig, Rainer Blum, Peter Baumann, Jacques Dupuis, Josef Neutzner
  • Patent number: 8076436
    Abstract: Superabsorbents are produced by polymerization in the presence of at least one unsaturated polyetherol selected from the group consisting of polyetherols having the following structural formulae (1), (2), (3) and (4): where n is 0 or 1, m is 1, 2, 3, 4, 5 or 6, o is a natural number from 1 to 200, and A is —(H2C—CHR1—O)— or —(R1HC—CH2—O)—, where R1 in each occurrence is independently hydrogen or an organic radical.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: December 13, 2011
    Assignee: BASF SE
    Inventors: Volker Braig, Michael de Marco, Michael Stösser, Joachim Pakusch
  • Publication number: 20110182845
    Abstract: The present invention relates to a process for producing odor-inhibiting water-absorbing composites comprising water-absorbing polymer particles and fibers, wherein the fibers are premixed with at least one metal peroxide, metal hyperoxide or metal ozonide.
    Type: Application
    Filed: January 21, 2011
    Publication date: July 28, 2011
    Applicant: BASF SE
    Inventors: Volker Braig, Thomas Daniel
  • Patent number: 7960490
    Abstract: The present invention relates to a process for producing water-absorbing polymeric particles by polymerizing a monomer solution comprising at least one ethylenically unsaturated acid-functional monomer less than 55 mol % neutralized and drying the resulting polymeric gel by means of a heated gas stream in at least two temperature zones.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: June 14, 2011
    Assignee: BASF SE
    Inventors: Rüdiger Funk, Volker Braig
  • Patent number: 7951265
    Abstract: Aqueous slurries of finely divided fillers which are at least partly coated with polymers and which are obtainable by treating aqueous slurries of finely divided fillers with at least one water-soluble amphoteric copolymer whose structures are identified in the specification are used as an additive to the paper stock in the production of filler-containing paper, filler-containing cardboard or filler-containing board by draining of the paper stock.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: May 31, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Anton Esser, Volker Braig, Martin Wendker, Rainer Blum, Peter Baumann, Josef Neutzner, Jacques Dupuis, Hans-Joachim Haehnle
  • Patent number: 7902141
    Abstract: 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 acco
    Type: Grant
    Filed: January 27, 2005
    Date of Patent: March 8, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Heike Becker, Hans-Juergen Degen, Marcus Guzmann, Tanja Gass, Volker Braig
  • Publication number: 20110053767
    Abstract: The present invention relates to odor-inhibiting compositions comprising water-absorbing polymer particles and metal peroxides, and to the production thereof.
    Type: Application
    Filed: August 23, 2010
    Publication date: March 3, 2011
    Applicant: BASF SE
    Inventors: Volker Braig, Thomas Daniel, Rupert Konradi, Herbert Platsch, Bettina Sobotka, Axel Jentzsch