Abstract: The present application relates to a process for reacting a composition I comprising at least one aldehyde with hydrogen in the presence of a catalyst in at least one main reactor and at least one postreactor, wherein at least 50% of the fresh hydrogen fed to the reaction system is fed into at least one postreactor. In a preferred embodiment, composition I comprises at least one further organic compound.
Type:
Grant
Filed:
July 11, 2006
Date of Patent:
July 13, 2010
Assignee:
BASF Aktiengesellschaft
Inventors:
Rolf Pinkos, Gerd-Dieter Tebben, Alexander Hauk, Christian Mueller, Harald Rust
Abstract: The present invention relates to polyalkene amine formulations comprising at least one polyalkene amine in a solvent, having improved performance properties, especially improved low temperature properties; a process for preparing such formulations and the use of these formulations in fuel and lubricant compositions, in particular fuels, for improving the intake system-cleaning action of such fuels.
Type:
Grant
Filed:
March 31, 2004
Date of Patent:
July 13, 2010
Assignee:
BASF Aktiengesellschaft
Inventors:
Marco Bergemann, Harald Schwahn, Dietmar Posselt, Erich K. Fehr, Thomas Wettling, Klaus Diehl, Helmut Schmidtke
Abstract: The invention relates to a process for isolating methylglycinenitrile-N,N-diacetonitrile (MGDN) from an aqueous emulsion which comprises MGDN and has an MGDN content of 3-50% by weight in a crystallizer, comprising the steps: (a) the aqueous emulsion is, starting from a temperature above the solidification point, cooled to a temperature below the solidification point, the cooling rate averaged over time not exceeding 5 K/h, until substantially the entirety of the emulsified MGDN has solidified, (b) the resulting aqueous suspension is cooled further and/or concentrated, and the cooling rate may be greater than in step (a).
Type:
Grant
Filed:
May 3, 2006
Date of Patent:
July 13, 2010
Assignee:
BASF Aktiengesellschaft
Inventors:
Alfred Oftring, Bernd Judat, Matthias Rauls, Katrin Friese
Abstract: Shaped body comprising an aluminosilicate and aluminum oxide, wherein the shaped body has a molar Al/Si ratio in the range from 10 to 30 and an at least bimodal pore distribution for pores having a diameter of greater than 1 nm, with the volume of the pores of the shaped body having a diameter of greater than 10 nm corresponding to at least 40% of the total pore volume of the shaped body, process for producing it and process for the continuous preparation of methylamines by reaction of methanol and/or dimethyl ether with ammonia in the presence of a heterogeneous catalyst, wherein the abovementioned shaped bodies are used as catalyst.
Type:
Grant
Filed:
September 21, 2006
Date of Patent:
July 13, 2010
Assignee:
BASF SE
Inventors:
Marco Bosch, Roderich Röttger, Jan Eberhardt, Thomas Krug, Manfred Julius, Karl-Heínz Roβ, Theodor Weber
Abstract: The present invention relates to a solution comprising cellulose, an ionic liquid comprising anions and cations as solvent and 6-30% by weight of a nitrogen-comprising base, based on the total weight of the solution, its preparation and also its use for the physical or chemical treatment of cellulose.
Abstract: A multilayered, three-way conversion catalyst having the capability of simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides is disclosed. Provided is a catalytic material of at least four layers in conjunction with a carrier, where each of the layers includes a support, at least three layers comprise a precious metal component, and at least one layer comprises an oxygen storage component (OSC). The catalytic material can further comprise a fifth layer, where at least four layers comprise a precious metal component, at least one layer comprises an oxygen storage component, and at least one layer is substantially free of an oxygen storage component.
Type:
Grant
Filed:
January 9, 2008
Date of Patent:
July 13, 2010
Assignee:
BASF Corporation
Inventors:
Shau-Lin F. Chen, Knut Wassermann, Stephan Siemund, Tian Luo, Torsten Neubauer, Jin Sakakibara, Harold Rabinowitz
Abstract: Processes comprising: providing a reactive distillation column having an upper region, a middle region and a lower region; feeding ethylene glycol and an aqueous formaldehyde solution into the reactive distillation column in the middle region of the reactive distillation column; reacting the ethylene glycol and the aqueous formaldehyde solution in the reactive distillation column in the presence of a catalyst to form dioxolane; removing a product stream comprising dioxolane in an amount of at least 75% by weight from the upper region of the reactive distillation column; and removing a bottom stream comprising one or more components having boiling points higher than dioxolane from the lower region of the reactive distillation column.
Type:
Grant
Filed:
September 6, 2006
Date of Patent:
July 13, 2010
Assignee:
BASF SE
Inventors:
Markus Siegert, Neven Lang, Eckhard Stroefer, Achim Stammer
Abstract: An increase in the cutting hardness of a shaped body comprising a crystalline aluminosilicate is achieved by treating the shaped body with a gas comprising water vapor at from 100 to 600° C. and an absolute pressure of from 0.1 to 10 bar for a period of at least 20 hours, and this shaped body having an increased cutting hardness can be used in processes for chemical synthesis, in particular in a process for preparing triethylenediamine (TEDA) by reaction of ethylenediamine (EDA) and/or piperazine (PIP).
Type:
Grant
Filed:
June 4, 2004
Date of Patent:
July 13, 2010
Assignee:
BASF Aktiengessellschaft
Inventors:
Marco Bosch, Bernd Stein, Matthias Frauenkron, Ulrich Müller
Abstract: Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. The methods include injecting fluid cracking catalyst particles into a flue gas stream.
Type:
Grant
Filed:
June 15, 2007
Date of Patent:
July 13, 2010
Assignee:
BASF Corporation
Inventors:
Xiaolin D. Yang, David M. Stockwell, Pascaline H. Tran, Lawrence Shore
Abstract: The present invention provides a process for preparing a supported catalyst (catalyst C) having a support (support S) selected from among oxides, phosphates, silicates, carbides, borides and nitrides of main group elements and elements of transition groups VI and II and mixtures of the abovementioned compounds and an active component (activator A) comprising one or more compounds containing one or more elements of transition groups V, VI and VII customary for the catalysis of metathesis reactions.
Type:
Grant
Filed:
April 4, 2008
Date of Patent:
July 13, 2010
Assignee:
Basf Aktiengesellschaft
Inventors:
Markus Schubert, Michael Hesse, Juergen Stephan, Volker Boehm, Andreas Brodhagen, Frank Poplow, Martina Sinner-Lang, Uwe Diehlmann, Gerhard Cox, Jochen Pfeifer
Abstract: Compounds of formula (I) wherein X is chloro or bromo; Y is chloro or trifluoromethyl; and A and B are hydrogen or methyl with the proviso that one of A or B must be methyl; or the enantiomers or salts thereof, use of compounds of formula I for combating insects or acarids and for treating, controlling, preventing or protecting animals against infestation or infection by parasites, and compositions comprising compounds of formula I.
Type:
Grant
Filed:
May 30, 2006
Date of Patent:
July 13, 2010
Assignee:
BASF Aktiengesellschaft
Inventors:
Christopher Koradin, Wolfgang Von Deyn, Michael Rack, Thomas Zierke, David G. Kuhn, Deborah L. Culbertson, Douglas D. Anspaugh, Hassan Oloumi-Sadeghi
Abstract: The present invention is directed to an evaporative emissions control apparatus for minimizing fuel vapor emissions from a fuel storage system in a vehicle with an internal combustion engine. More specifically, the present invention is directed to an evaporative emissions control apparatus comprising a canister filled with a hydrocarbon adsorbent. The present invention is also directed an evaporative emissions control apparatus comprising a support substrate, which is coated with a hydrocarbon adsorbent slurry.
Type:
Grant
Filed:
November 18, 2005
Date of Patent:
July 13, 2010
Assignee:
BASF Corporation,
Inventors:
Jeffrey Barmont Hoke, Mark Thomas Buelow, John Joseph Kauffman
Abstract: A semifinished leather product is produced from an animal hide by pretanning with the use of a chromium-free tanning agent and of a clay mineral which, after stirring for 30 minutes in water at 50° C. at a circumferential rotor speed of from 5 to 25 m/s, has a number average particle diameter of less than 2 ?m or a bimodal particle size distribution with a first, finely divided fraction whose number average particle diameter is less than 0.5 ?m and a second, coarser fraction whose number average particle diameter is less than 5 ?m, determined in each case by the method according to ISO 13320-1, by combined laser light diffraction and light scattering, a proportion of the first, finely divided fraction being from 10 to 90% by weight, and drying of the pretanned animal hide to a water content of from 5 to 45%, based on the total weight of the semifinished leather product.
Type:
Grant
Filed:
November 25, 2003
Date of Patent:
July 13, 2010
Assignee:
BASF Aktiengesellschaft
Inventors:
Stephan Hueffer, Stefan Schroeder, Juergen Carle, Thorsten Raedler, Volker Bach, Tilman Luedecke Taeger
Abstract: The invention relates to a process for the distillation of ionic liquids, in which a pressure not higher than ambient pressure is set in a first step and the ionic liquid is heated to a temperature in the range from 60° C. to 350° C. in a second step. The process is employed, in particular, for the purification of ionic liquids.
Abstract: The present invention relates to a process for purifying a gas mixture G-0 comprising dinitrogen monoxide, at least comprising the absorption of the gas mixture G-0 in an organic solvent, subsequent desorption of a gas mixture G-1 from the laden organic solvent, absorption of the gas mixture G-1 in water and subsequent desorption of a gas mixture G-2 from the laden water, and also to the use of a purified gas mixture which comprises dinitrogen monoxide and is obtainable by such a process as an oxidizing agent for olefins.
Abstract: A process for postcrosslinking a water-absorbing polymer comprises said polymer being treated with a postcrosslinker and, during or after said treating, being postcrosslinked and dried by temperature elevation, said postcrosslinker being a compound of the formula I where R1, R2, R3, R4, R5, R6, R7, R8 and R9 are each independently hydrogen, C1-C12-alkyl, C2-C12-alkenyl or C6-C12-aryl, wherein C1-C12-alkyl, C2-C12-alkenyl or C6-C12-aryl may be halogen substituted. The liquid-absorbing polymers are useful in hygiene articles and packaging materials.
Type:
Grant
Filed:
July 7, 2004
Date of Patent:
July 13, 2010
Assignee:
BASF Aktiengesellschaft
Inventors:
Thomas Daniel, Ulrich Riegel, Mark Elliott, Ubbo von Oehsen, Kai Michael Exner, Klemens Massonne
Abstract: An aqueous dispersion of water-soluble polymers obtained by free radical polymerization of ethylenically unsaturated anionic monomers in an aqueous medium in the presence of a stabilizer, wherein the stabilizer comprises: (a) at least one water-soluble polymer selected from the group consisting of a graft polymer of vinyl acetate and/or vinyl propionate on polyethylene glycol, a polyethylene glycol blocked at one or both terminal groups with an alkyl, a carboxyl or an amino group, and a copolymer of alkyl polyalkylene glycol methacrylate and methacrylic acid; and (b) at least one water-soluble polymer selected from the group consisting of a hydrolyzed copolymer of vinyl alkyl ether and maleic anhydride in the form of free carboxyl groups or in the form of salts at least partially neutralized with one or more alkali metal hydroxides or one or more ammonium bases, a cationically modified potato starch, an anionically modified potato starch, a degraded potato starch and maltodextrin.
Type:
Grant
Filed:
July 17, 2004
Date of Patent:
July 13, 2010
Assignee:
BASF Aktiengesellschaft
Inventors:
Pulakesh Mukherjee, Marc Leduc, Peter Claassen, Werner Gauweiler, Roland Nowack
Abstract: The invention relates to poly(ADP-ribose)polymerase (PARP) homologs which have an amino acid sequence which has a) a functional NAD+ binding domain and b) no zinc finger sequence motif of the general formula CX2CXmHX2C ?in which ?m is an integral value from 28 or 30, and the X radicals are, independently of one another, any amino acid; and the functional equivalents thereof; nucleic acids coding therefor; antibodies with specificity for the novel protein; pharmaceutical and gene therapy compositions which comprise products according to the invention; methods for the analytical determination of the proteins and nucleic acids according to the invention; methods for identifying effectors or binding partners of the proteins according to the invention; novel PARP effectors; and methods for determining the activity of such effectors.
Type:
Grant
Filed:
June 4, 1999
Date of Patent:
July 13, 2010
Assignee:
BASF Aktiengesellschaft
Inventors:
Michael Kock, Thomas Höger, Burkhard Kröger, Bernd Otterbach, Wilfried Lubisch, Hans-Georg Lemaire
Abstract: Processes comprising: (i) providing a reactant selected from the group consisting of primary alcohols, secondary alcohols, aldehydes, ketones and mixtures thereof; and (ii) reacting the reactant with hydrogen and a nitrogen compound selected from the group consisting of ammonia, primary amines, secondary amines and mixtures thereof, in the presence of a catalyst comprising a zirconium dioxide- and nickel-containing catalytically active composition, to form an amine; wherein the catalytically active composition, prior to reduction with hydrogen, comprises oxygen compounds of zirconium, copper, nickel and cobalt, and one or more oxygen compounds of molybdenum in an amount of 5.5 to 12% by weight, calculated as MoO3.
Type:
Grant
Filed:
July 4, 2007
Date of Patent:
July 13, 2010
Assignee:
BASF SE
Inventors:
Petr Kubanek, Bram Willem Hoffer, Ekkehard Schwab, Johann-Peter Melder, Holger Evers, Till Gerlach