Patents Assigned to Evonik Degussa
  • VARIANTS OF THE PROMOTER OF THE GAP GENE CODING FOR GLYCERALDEHYDE-3-PHOSPHATE DEHYDROGENASE
    Publication number: 20130004999
    Abstract: The invention relates to an isolated polynucleotide having promoter activity, a variant of the promoter of the gap gene coding for glyceraldehyde-3-phosphate dehydrogenase; and to a microorganism which produces and/or secretes a fine chemical, the microorganism including the isolated polynucleotide having promoter activity, which enables various genes to be overexpressed in comparison with the particular starting strain; and to a process for preparing fine chemicals using the microorganism.
    Type: Application
    Filed: June 27, 2012
    Publication date: January 3, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Alexander RETH, Brigitte Bathe, Stephan Hans, Wilfried Claes
  • PROCESS FOR PREPARING LINEAR ALPHA,OMEGA-DICARBOXYLIC DIESTERS
    Publication number: 20130006005
    Abstract: The invention provides a process for preparing linear alpha,omega-dicarboxylic diesters by reacting a triglyceride containing fatty acid residues having monounsaturated or polyunsaturated carbon chains with carbon monoxide, an acid and an OH-group donor in one reaction step in the presence of a catalyst.
    Type: Application
    Filed: November 19, 2010
    Publication date: January 3, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Frank-Martin Petrat, Franz-Erich Baumann, Harald Haeger, Guido Walther, Andreas Martin, Angela Koeckritz
  • BETA-HYDROXYALKYLAMIDES, METHOD FOR THEIR PRODUCTION AND USE THEREOF
    Publication number: 20130006016
    Abstract: The invention relates to novel ?-hydroxyalkylamides, to a method for their production and to the use thereof.
    Type: Application
    Filed: March 10, 2011
    Publication date: January 3, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Werner Grenda, Emmanouil Spyrou, Thomas Weihrauch, Christoph Lammers, Holger Loesch, Klaus Behrendt
  • Mutant of the proB gene from coryneform bacteria
    Patent number: 8343734
    Abstract: The invention relates to processes for fermentative production of L-proline using bacteria which contain mutated variants of the proB gene.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: January 1, 2013
    Assignee: Evonik Degussa GmbH
    Inventors: Stephan Hans, Brigitte Bathe, Georg Thierbach
  • Induction-assisted production method
    Patent number: 8343410
    Abstract: A production method for producing molded articles from fiber composites, superparamagnetic particles are selected which become coupled to an external alternating magnetic field. These superparamagnetic particles are added to a resin portion of a strip-shaped starting material further comprising reinforcing fibers. The strip-shaped starting material is then continuously advanced, and, while being advanced, heated by coupling-in an external alternating magnetic field to which the superparamagnetic particles in the resin portion become coupled. Next, the heated starting material is continuously molded into a molded article; and the resin portion in the molded particle is cured.
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: January 1, 2013
    Assignee: Evonik Degussa GmbH
    Inventors: Lars Herbeck, Thorsten Mahrholz, Tobias Stroehlein, Juergen Mosch, Michael Frauenhofer, Stefan Boehm, Klaus Dilger, Harald Haeger, Christian Baron, Markus Pridoehl
  • RTV two-component silicone rubber
    Patent number: 8338528
    Abstract: RTV two-component silicone rubber which contains structurally modified hydrophobic fumed silicas which have vinyl groups fixed on the surface, further hydrophobic groups, such as trimethylsilyl and/or dimethylsilyl and/or monomethylsilyl groups, additionally being fixed on the surface.
    Type: Grant
    Filed: May 6, 2008
    Date of Patent: December 25, 2012
    Assignee: Evonik Degussa GmbH
    Inventors: Mario Scholz, Juergen Meyer, Gerald Wissler
  • Silicone rubber
    Patent number: 8337794
    Abstract: Silicone rubber containing a fumed silica doped with potassium by means of aerosol.
    Type: Grant
    Filed: December 1, 2008
    Date of Patent: December 25, 2012
    Assignee: Evonik Degussa GmbH
    Inventors: Mario Scholz, Helmut Mangold
  • Ceramic membrane based on a substrate containing polymer or natural fibres, method for the production and use thereof
    Patent number: 8337974
    Abstract: The present invention relates to membranes and to a process for making them. The membranes according to the invention comprise a sheetlike flexible substrate having a multiplicity of openings and having a coating on and in said substrate, the material of said substrate being selected from nonwovens of polymeric fibers, said nonwovens having a porosity of more than 50% and said coating being a porous ceramic coating, said substrate preferably being from 10 to 200 ?m in thickness. Such membranes provide a distinctly higher flux than conventional membranes. The membranes are useful as separators for batteries or as a microfiltration membrane.
    Type: Grant
    Filed: January 14, 2003
    Date of Patent: December 25, 2012
    Assignee: Evonik Degussa GmbH
    Inventors: Volker Hennige, Christian Hying, Gerhard Hoerpel
  • COMPOSITIONS OF METAL OXIDES FUNCTIONALISED BY OLIGOMER SILOXANOLS AND USE THEREOF
    Publication number: 20120321803
    Abstract: The invention relates to a method for producing aqueous, essentially solvent-free compositions based on pyrogenous metal oxides functionalised by oligomer siloxanols, to the corresponding compositions, and to the use thereof for corrosion protection and adherence.
    Type: Application
    Filed: December 27, 2010
    Publication date: December 20, 2012
    Applicant: Evonik Degussa GmbH
    Inventors: Bjoern Borup, Mike Achtzehn, Burkhard Standke, Christian Wassmer
  • COARSE SUPPORT SILICA PARTICLES
    Publication number: 20120322893
    Abstract: The present invention relates to novel granular silicas for use as support material, especially as support for catalysts for fixed bed reactors, and to the production and use thereof.
    Type: Application
    Filed: March 14, 2011
    Publication date: December 20, 2012
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Claus-Peter Drexel, Frank Haselhuhn, Frank Heindl, Ralf Rausch, Guenter Stein
  • Method for Modification of a Methane-Containing Gas Stream
    Publication number: 20120318661
    Abstract: A method for modification of a methane-containing gas stream, comprising the steps of: i) withdrawal of at least one substream from a methane-containing gas stream; ii) treatment of the substream with an electrically generated plasma, generating a modified gas composition which comprises a lower fraction of methane than the methane-containing gas stream used and iii) return of modified gas composition into the methane-containing gas stream. This method makes possible the storage of excess power in a natural gas line grid.
    Type: Application
    Filed: June 18, 2012
    Publication date: December 20, 2012
    Applicant: Evonik Degussa GmbH
    Inventors: Georg Markowz, Jürgen Erwin Lang, Rüdiger Schütte
  • Dry liquids, and processes for their preparation
    Patent number: 8333914
    Abstract: Dry liquids having a particle size distribution (cumulative undersize) D10% ?80 to 140 ?m D50% 140 to 200 ?m D90% 190 to 340 ?m are prepared by passing the liquids and a hydrophobic, pyrogenically prepared silica through a clearly defined, spatially limited shear zone in which the liquids are broken up into small droplets and are surrounded by the hydrophobic, pyrogenically prepared silica.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: December 18, 2012
    Assignee: Evonik Degussa GmbH
    Inventors: Holger Pitsch, Josef Piroth, Thomas Riedemann, Heike Riedemann, Ann Gray, Frank Dieter Huenig
  • Coryneform host-vector systems comprising a chromosomal ALR gene which is attenuated or eliminated and methods of using
    Patent number: 8334126
    Abstract: The invention relates to an isolated polynucleotide having a polynucleotide sequence which codes for the alr gene, and a host-vector system having a coryneform host bacterium in which the alr gene is present in attenuated form and a vector which carries at least the alr gene according to SEQ ID No 1, and the use of polynucleotides which comprise the sequences according to the invention as hybridization probes.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: December 18, 2012
    Assignee: Evonik Degussa GmbH
    Inventors: Andreas Tauch, Michael Binder, Walter Pfefferle, Georg Thierbach, Jörn Kalinowski, Alfred Pühler
  • CORE-SHELL PARTICLES WITH A HIGH CONTENT OF GLYCEROL, THEIR PRODUCTION AND USE
    Publication number: 20120315312
    Abstract: The invention relates to core-shell particles, the shell of which includes aggregated, hydrophobicized silicon dioxide particles, and the core of which includes a liquid phase, and in which the ratio of aggregated, hydrobicized silicon dioxide particles to the liquid phase, based on the total weight of the particles, is 2:98 to 40:60, where 60-100% by weight of glycerol is present in the liquid phase. The invention further encompasses the production of these core-shell particles and also their use for cosmetic purposes.
    Type: Application
    Filed: June 7, 2012
    Publication date: December 13, 2012
    Applicant: Evonik Degussa GmbH
    Inventors: Heike RIEDEMANN, Jörg MÜNZENBERG
  • COMPOUNDS MADE OF (CYCLO)ALIPHATIC DIISOCYANATES AND AROMATIC ACID HALIDES
    Publication number: 20120313031
    Abstract: The invention relates to compounds made of (cyclo)aliphatic diisocyanates, produced according to a multi-stage method (phosgene-free production), which comprises the conversion of (cyclo)aliphatic diamines into the corresponding (cyclo)alkylene biscarbamates and the thermal cleavage of the latter into the (cyclo)alkylene diisocyanates and alcohol (urea route), and aromatic acid halides, and to the use thereof.
    Type: Application
    Filed: October 12, 2010
    Publication date: December 13, 2012
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Dirk Hoppe, Christoph Nacke, Rainer Lomoelder
  • SWEETENER AND METHOD OF PRODUCTION THEREOF
    Publication number: 20120315366
    Abstract: The invention relates to a sweetener and to a method for the production thereof.
    Type: Application
    Filed: December 15, 2010
    Publication date: December 13, 2012
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Olivier Zehnacker, Thomas Tacke, Thomas Haas, Nicole Brausch, Marc Becker
  • POLYAMIDE-BASED POLYMER POWDER, USE THEREOF IN A MOLDING METHOD, AND MOLDED ARTICLES MADE FROM SAID POLYMER POWDER
    Publication number: 20120315483
    Abstract: The invention relates to a polymer powder for use in a layer-by-layer method in which areas of each powder layer are selectively fused by introducing electromagnetic energy. Said polymer powder contains: at least one AB-type polyamide produced by polymerizing lactams comprising 10 to 12 carbon atoms in the monomer unit or polycondensing the corresponding ?-amino carboxylic acids comprising 10 to 12 carbon atoms in the monomer unit and at least one AABB-type polyamide produced by polycondensing diamines and dicarboxylic acids, each of which comprises 10 to 14 carbon atoms in the monomer units, the AB-type polyamide containing up to 20 mole % of the AABB comonomer units and the AABB-type polyamide containing up to 20 mole % of the AB monomer units.
    Type: Application
    Filed: April 6, 2011
    Publication date: December 13, 2012
    Applicant: Evonik Degussa GmbH
    Inventors: Franz-Erich Baumann, Wolfgang Diekmann, Beatrice Kueting, Heike Stemmer, Maik Grebe, Kristiane Warnke, Sylvia Monsheimer, Harald Haeger
  • Pigment preparation, method for producing the same and its use
    Patent number: 8328930
    Abstract: Pigment preparation containing at least one pigment and at least one compound of the general formula CH3—(CH2)n—CH2—O—[(CH2)p—O]m—H. The pigment preparation can be produced by dispersing and drying. It can be used for coloration and/or antistaticization in waterborne color and varnish systems, emulsion paints, printing inks, liquid-ink systems and coating systems.
    Type: Grant
    Filed: May 20, 2008
    Date of Patent: December 11, 2012
    Assignee: Evonik Degussa GmbH
    Inventors: Gerd Tauber, Stephan Lüdtke, Ralph McIntosh, Werner Kalbitz, Jutta Zimmermann, Alfons Karl, Stephanie Frahn
  • CO2 ABSORPTION FROM GAS MIXTURES USING AN AQUEOUS SOLUTION OF 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINE
    Publication number: 20120308458
    Abstract: CO2 is absorbed from a gas mixture by bringing the gas mixture into contact with an absorbent that comprises water and at least one amine of the formula (I), wherein R1 and R2, independently of each other, are hydrogen or an alkyl group. According to the invention, absorption media comprise sulfolane or an ionic liquid in addition to water and an amine of the formula (1). A device according to the invention for removing CO2 from a gas mixture comprises an absorption unit, a desorption unit, and an absorption medium according to the invention that is conducted in the circuit.
    Type: Application
    Filed: August 19, 2012
    Publication date: December 6, 2012
    Applicant: Evonik Degussa GmbH
    Inventors: Matthias Seiler, Jörn Rolker, Rolf Schneider, Bernd Glöckler, Axel Kobus, Wolfgang Benesch, Thomas Riethmann, Hermann Winkler, Jens Reich, Helmut Brüggemann
  • Process for Recovering Molybdate or Tungstate from Aqueous Solutions
    Publication number: 20120305208
    Abstract: Process for recovering molybdate or tungstate from an aqueous solution, in which molybdate or tungstate is bound to a water-insoluble, cationized inorganic carrier material from the aqueous solution at a pH in the range from 2 to 6, the laden carrier material is separated off and the bound molybdate or tungstate is liberated once again into aqueous solution at a pH in the range from 6 to 14. The process is suitable for recovering molybdate or tungstate in the delignification of pulp with hydrogen peroxide in the presence of molybdate or tungstate as catalyst. The recovered molybdate or tungstate can be recycled to the delignification.
    Type: Application
    Filed: August 14, 2012
    Publication date: December 6, 2012
    Applicant: Evonik Degussa GmbH
    Inventors: Thomas Dietz, Hans Ulrich Süss