Patents Assigned to Evonik Degussa GmbH
  • Patent number: 7772349
    Abstract: Process for preparing alkylpolyether-substituted mercaptosilanes of the general formula I, (X)m(X?)n(X?)oSi(—R1—SR2)p??(I) and a Hazen colour number of ?250 mg Pt—Co/L by reacting compounds of the general formula II, (X?)m+n(X?)oSi(—R1—SR2)p??(II) with m equivalents of the compounds of the general formula III, H—O—((CR32)w—O—)vAlk??(III) using a proton-donating co-catalyst and, if desired, a further catalyst, and separating off liberated X?—H from the reaction mixture.
    Type: Grant
    Filed: May 28, 2008
    Date of Patent: August 10, 2010
    Assignee: Evonik Degussa GmbH
    Inventors: Manuel Friedel, Susann Witzsche
  • Publication number: 20100196815
    Abstract: Electrostatic charge image developing toner Electrostatic charge image developing toner containing external additives comprising pyrogenically prepared surface modified silicon-dioxide-titanium mixed oxides.
    Type: Application
    Filed: March 27, 2007
    Publication date: August 5, 2010
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Kai Schumacher, Paul Brandl, Akira Inoue, Yuki Amano
  • Publication number: 20100193746
    Abstract: An aggregated crystalline silicon powder with a BET surface area of 20 to 150 m2/g is provided. The aggregated silicon powder may be doped with phosphorus, arsenic, antimony, bismuth, boron, aluminium, gallium, indium, thallium, europium, erbium, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, thulium, lutetium, lithium, ytterbium, germanium, iron, ruthenium, osmium, cobalt, rhodium, iridium, nickel, palladium, platinum, copper, silver, gold, or zinc.
    Type: Application
    Filed: April 13, 2010
    Publication date: August 5, 2010
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Markus PRIDOEHL, Paul ROTH, Hartmut WIGGERS, Frank-Martin PETRAT, Michael KRAEMER
  • Publication number: 20100196243
    Abstract: Surface-modified, pyrogenically prepared silica is prepared by subjecting the pyrogenically prepared silica, which is in the form of aggregates of primary particles and possesses a BET surface area of 200±25 m2/g, the aggregates having an average area of 7000 to 12 000 nm2, an average equivalent circle diameter (ECD) of 80 to 100 nm and an average circumference of 850 to 1050 nm, to surface-modification in a known way. It can be used for thickening liquid systems.
    Type: Application
    Filed: July 1, 2008
    Publication date: August 5, 2010
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Juergen Meyer, Mario Scholz, Kai Schumacher
  • Patent number: 7767742
    Abstract: A composition containing organosilicon compounds having the formula I and/or II wherein R is ethyl, R1 is a mixture such that the proportion of one component of the mixture is 10 to 50 mol % and is the same or different C9-C30 branched or unbranched monovalent alkyl, and R2 is a branched or unbranched, saturated or unsaturated, aliphatic, aromatic or mixed aliphatic/aromatic divalent C1-C30 hydrocarbon is produced by reacting silanes having the formula III with mixtures of alcohols having the general formula R1—OH, with elimination of R—OH, and R—OH is continuously separated off from the reaction mixture by distillation. The organosilicon compounds can be used in rubber compounds.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: August 3, 2010
    Assignee: Evonik Degussa GmbH
    Inventors: Roland Krafczyk, Ulrich Deschler, Hans-Detlef Luginsland, Reimund Pieter, Andre Hasse, Melanie Mayer
  • Publication number: 20100187174
    Abstract: A method of fractionating a dispersion of oxidic nanoparticles wherein at least one step of the method is a membrane crossflow filtration step, the flow of the dispersion over the membrane being brought about by means of driven rotating parts; and dispersions of oxidic nanoparticles that are obtainable by the method.
    Type: Application
    Filed: April 1, 2010
    Publication date: July 29, 2010
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Roland WURSCHE, Goetz BAUMGARTEN, Wolfgang LORTZ, Michael KROELL
  • Publication number: 20100190224
    Abstract: The present invention relates to an isolated DNA, which is selected from the following sequences: a) a sequence according to SEQ ID No. 01, b) an intron-free sequence that is derived from a sequence according to a) and encodes the same protein or peptide as the sequence according to SEQ ID No. 01, c) a sequence that encodes a protein or peptide, which comprises the amino acid sequence according to SEQ ID No. 02, d) a sequence that is at least 80% identical to a sequence according to a) to c), e) a sequence that hybridizes with the antisense strand of a sequence according to one of the groups a) to d) or would hybridize taking into account degeneration of the genetic code, f) a derivative of a sequence according to one of the groups a) to e) obtained by substitution, addition, inversion and/or deletion of one or more bases, g) a sequence that corresponds to SEQ ID No. 01 within the degeneration of the genetic code, h) a sequence with neutral sense mutations of SEQ ID No.
    Type: Application
    Filed: March 27, 2008
    Publication date: July 29, 2010
    Applicants: EVONIK DEGUSSA Gmbh, ALBERT-LUDWIG-UNIVERSITAET FREIBURG
    Inventors: Markus Poetter, Achim Marx, Georg Fuchs, Birgit Alber, Tobias Juergen Erb
  • Publication number: 20100191001
    Abstract: The present invention relates to a process for performing a controlled hydrolysis and condensation of an epoxy-functional silane of the general formula I R1-SiR?m(OR)3-m (I) in which R1 is a (III) or (IV) group and R, R? and R? groups are the same or different and are each hydrogen (H) or a linear, branched or cyclic, optionally substituted alkyl group having from 1 to 6 carbon atoms, A and A? groups are the same or different and are each a bivalent alkyl group having from 1 to 10 carbon atoms, R2 groups are the same or different and R2 is a linear, branched or cyclic, optionally substituted alkyl group having from 1 to 20 carbon atoms, and m is 0 or 1, and optionally of at least one further organofunctional silane of the general formula II R2-SiR?n(OR)3-n (II) in which R2 is an organofunctional group as already defined above, R? is methyl, R groups are each independently hydrogen or a linear, branched or cyclic alkyl group having from 1 to 6 carbon atoms and n is 0 or 1, where from 0.
    Type: Application
    Filed: June 17, 2008
    Publication date: July 29, 2010
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Christian Wassmer, Burkhard Standke, Irene Lippert, Peter Jenkner
  • Patent number: 7763739
    Abstract: The present invention concerns novel bidentante optionally N-containing P-ligands of general formula (I) embracing a two-ring-system and processes for synthesizing them, transition metal complexes of these compounds and their use as catalysts.
    Type: Grant
    Filed: April 14, 2005
    Date of Patent: July 27, 2010
    Assignee: Evonik Degussa, GmbH
    Inventors: Renat Kadyrov, Juan José Almena Perea, Axel Monsees, Thomas Riermeier, Ilias Ilaldinov
  • Publication number: 20100183917
    Abstract: The invention relates to an electrolyte separator system comprising an ionic liquid, a conductive salt and a ceramic separator, and the use of the electrolyte separator system according to the invention in electrochemical energy storage systems, in particular of lithium metal and lithium ion batteries.
    Type: Application
    Filed: April 27, 2006
    Publication date: July 22, 2010
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Michael Holzapfel, Petr Novak, Carsten Jost, Anna Prodi-Schwab, Volker Hennige, Christian Hying
  • Publication number: 20100185004
    Abstract: The present invention relates to a system, a reactor and a process for the continuous industrial conduct of a reaction where a b-unsaturated aliphatic polyether compound A is reacted with an HSi compound B in the presence of a catalyst C and optionally of other auxiliaries, and the system is at least based on the system (3) for combining the starting materials for components A (1) and B (2), on at least one multielement reactor (5) which in turn comprises at least two reactor units in the form of exchangeable pre-reactors (5.1) and comprises at least one further reactor unit (5.3) downstream of the pre-reactors, and on a product-work-up system (8).
    Type: Application
    Filed: July 9, 2007
    Publication date: July 22, 2010
    Applicant: Evonik Degussa GmbH
    Inventors: Juergen Erwin Lang, Georg Markowz, Dietmar Wewers, Harald Metz, Norbert Schladerbeck
  • Publication number: 20100183495
    Abstract: Process for preparing a silicon dioxide granule having a specific surface area of less than 1 m2/g and a proportion of impurities of less than 50 ppm, in which a) a silicon dioxide powder with a tamped density of 15 to 190 g/l, b) is compacted to slugs which are subsequently crushed, the slug fragments having a tamped density of 210 to 800 g/l, and c) the slug fragments are treated with one or more reactive compounds at 400 to 1100° C.
    Type: Application
    Filed: June 16, 2008
    Publication date: July 22, 2010
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Kai Schumacher, Christian Schulze-Isfort
  • Publication number: 20100185026
    Abstract: Nitro-compounds are hydrogenated with an activated Ni catalyst whose Ni/Al alloy also contained one or more elements from the list of Cu, Ag and Au prior to activation. In combination with the Group IB elements mentioned above, this catalyst can also be doped with other elements via their addition to the Ni/Al alloy prior to activation and/or they can be adsorbed onto the surface of the catalyst either during or after the activation of the alloy. The suitable doping elements for the alloy prior to activation in combination with the group IB elements mentioned above are one or more of the elements from the list of Mg, Ti, Ce, Cr, V, Mo, W, Mn, Re, Fe, Co, Tr, Ru, Rh, Pd, Pt and Bi. The suitable doping elements that may be adsorbed onto the surface of the catalyst that was previously doped in the alloy prior to activation with the group IB elements mentioned above are one or more elements from the list Mg, Ca, Ba, Ti, Ce, V, Cr, Mo, W, Mn, Re, Fe, Ru, Co, Rh, Ir, Pd, Pt, Ni, Cu, Ag, Au and Bi.
    Type: Application
    Filed: May 29, 2007
    Publication date: July 22, 2010
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Daniel Ostgard, Monika Berweiler, Markus Gottlinger, Steffen Laporte, Matthias Schwarz
  • Patent number: 7759523
    Abstract: The invention relates to a catalyst containing alkali tungstate for the synthesis of alkylmercaptanes from alkanols and hydrogen sulphide, in addition to a method for the production of said catalyst, wherein the molar ratio of alkali to tungstan is <2:1.
    Type: Grant
    Filed: July 5, 2005
    Date of Patent: July 20, 2010
    Assignee: Evonik Degussa GmbH
    Inventors: Hubert Redlingshöfer, Christoph Weckbecker, Klaus Huthmacher
  • Patent number: 7759056
    Abstract: The invention relates to an isolated polynucleotide from coryneform bacteria containing at least one polynucleotide sequence selected from the group consisting of a) polynucleotide which is at least 70% identical to a polynucleotide which encodes a polypeptide containing the amino acid sequence according to SEQ ID no. 2, b) polynucleotide which encodes a polypeptide which contains an amino acid sequence which is at least 70% identical to the amino acid sequence of SEQ ID no. 2, c) polynucleotide which is complementary to the polynucleotides of a) or b), and d) polynucleotide containing at least 15 successive nucleotides of the polynucleotide sequences of a), b) or c), and to a process for the fermentative production of L-amino acids, in particular L-lysine.
    Type: Grant
    Filed: December 29, 2003
    Date of Patent: July 20, 2010
    Assignee: Evonik Degussa GmbH
    Inventors: Bettina Möckel, Anke Weissenborn, Walter Pfefferle, Michael Hartmann, Jörn Kalinowski, Alfred Pühler
  • Patent number: 7759424
    Abstract: The invention relates to a radiation-curable adhesion-promoting composition comprising modified unsaturated amorphous polyesters and a process for preparing it and also provides for the use thereof in radiation-curable systems.
    Type: Grant
    Filed: August 16, 2005
    Date of Patent: July 20, 2010
    Assignee: Evonik Degussa GmbH
    Inventors: Patrick Glöckner, Lutz Mindach
  • Patent number: 7759009
    Abstract: A pyrogenic oxidic powder composed of particles, comprising (i) atoms of an element of groups 3A, 4A, 3B or 4B of the periodic table of the elements, and (ii) oxygen atoms, said particles being characterized by lithium atoms attached to said atoms via an oxygen bridge.
    Type: Grant
    Filed: November 5, 2003
    Date of Patent: July 20, 2010
    Assignee: Evonik Degussa GmbH
    Inventors: Volker Hennige, Christian Hying, Gerhard Hörpel
  • Publication number: 20100179273
    Abstract: The present invention relates to storage-stable reactive powder coating compositions based on (semi)crystalline and amorphous ingredients and to their use as powder coatings.
    Type: Application
    Filed: October 13, 2006
    Publication date: July 15, 2010
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Emmanouil Spyrou, Lars Hellkuhl
  • Publication number: 20100179282
    Abstract: The present invention relates to polyesters which have been modified with one or more polyamines having at least one primary and at least one secondary amino group, to processes for preparing them and to their use.
    Type: Application
    Filed: May 16, 2008
    Publication date: July 15, 2010
    Applicant: Evonik Degussa GmbH
    Inventor: Emmanouil Spyrou
  • Publication number: 20100179340
    Abstract: The present invention relates to a system, to a reactor and to a process for continuous industrial performance of a reaction wherein allyl methacrylate A is reacted with an HSi compound B in the presence of a catalyst C and optionally of further assistants, and the system is based at least on the combination of reactants (3) for components A (1) and B (2), at least one multielement reactor (5) which, in turn, comprises at least two reactor units in the form of exchangeable pre-reactors (5.1) and at least one further reactor unit (5.3) connected downstream of the pre-reactors, and on a product workup (8).
    Type: Application
    Filed: July 9, 2007
    Publication date: July 15, 2010
    Applicant: Evonik Degussa GmbH
    Inventors: Juergen Erwin Lang, Georg Markowz, Dietmar Wewers, Harald Metz, Norbert Schladerbeck