Abstract: Process for preparing tri-n-propylamine (TPA), wherein di-n-propylamine (DPA) is reacted in the presence of hydrogen and a copper-comprising heterogeneous catalyst. An integrated process for preparing TPA, which comprises the following operations: I) reaction of n-propanol with ammonia in a reactor in the presence of an amination catalyst and optionally hydrogen to form a mixture of mono-n-propylamine, DPA and TPA, II) separation of unreacted ammonia, unreacted n-propanol and possibly hydrogen from the reaction product mixture and recirculation of at least the ammonia and propanol to the reactor in I) and also separation of the n-propylamine mixture by distillation and isolation of the TPA, III) reaction of the DPA obtained in the separation by distillation in II) in a reactor in the presence of hydrogen and a copper-comprising heterogeneous catalyst to form TPA and IV) feeding of the reactor output from III) to operation II).
Type:
Grant
Filed:
June 30, 2011
Date of Patent:
June 18, 2013
Assignee:
BASF SE
Inventors:
Kevin Huyghe, Steven Brughmans, Falk Simon, Johann-Peter Melder, Peter Raatz
Abstract: The present invention relates to a process for preparing high-functionality polyethers having a Hazen color number of less than 500, by converting tris(hydroxyethyl) isocyanurate (THEIC) and one or more difunctional alcohols and/or modifying reagents with the aid of acidic catalysts. The present invention further relates to high-functionality polyethers having a color number of less than 10, obtainable by such a process, and to the use of these high-functionality polyethers as adhesion promoters, thixotropic agents, rheology modifiers of polymers, in printing inks, paints and coatings, or as units for preparation of polyaddition or polycondensation polymers.
Type:
Grant
Filed:
October 14, 2011
Date of Patent:
June 18, 2013
Assignee:
BASF SE
Inventors:
Bernd Bruchmann, Anna Cristadoro, Oihana Elizalde, Angelika Maria Steinbrecher, Monika Haberecht
Abstract: A process for preparing pure triethanolamine (TEOA) by continuously distillatively separating an ethanolamine mixture comprising TEOA and diethanolamine (DEOA), by distilling off DEOA in a distillation column (DEOA column) and supplying the resulting bottom stream comprising TEOA to a downstream column (TEOA column) in which the pure TEOA is withdrawn as a side draw stream, wherein the residence time of the ethanolamine mixture in the bottom of the DEOA column is <20 minutes.
Type:
Grant
Filed:
December 10, 2009
Date of Patent:
June 18, 2013
Assignee:
BASF SE
Inventors:
Johann-Peter Melder, Gunther Van Cauwenberge, Tom Fremau, Jürgen Moors, Thilo Hahn, Bernd Stein
Abstract: The process relates to a process for preparing delta-valerolactone (VLO) in the gas phase by catalytic dehydrogenation over at least two different catalysts.
Type:
Grant
Filed:
December 2, 2009
Date of Patent:
June 18, 2013
Assignee:
BASF SE
Inventors:
Rolf Pinkos, Christophe Bauduin, Axel Paul, Gerhard Fritz, Hans Wagner
Abstract: Thermoplastic molding compositions, comprising A) from 10 to 98% by weight of a thermoplastic polyamide, B) from 0.01 to 20% by weight of a highly branched melamine polymer or melamine-urea polymer, or a mixture of these, C) from 0 to 70% by weight of further additives, where the total of the percentages by weight of components A) to C) is 100%.
Type:
Grant
Filed:
March 8, 2011
Date of Patent:
June 18, 2013
Assignee:
BASF SE
Inventors:
Manoranjan Prusty, Maxim Peretolchin, Martin Baumert
Abstract: The invention relates to a process for recovering acids from product streams of organic syntheses, which comprises the steps a) neutralization of the acid with a base, b) removal of the base by means of adsorption, c) recovery of the acid.
Type:
Grant
Filed:
June 9, 2008
Date of Patent:
June 18, 2013
Assignee:
BASF SE
Inventors:
Veronika Wloka, Torsten Mattke, Carsten Knösche, Daniel Breuninger, Nils Bottke
Abstract: A polymer comprising repeating units A and optionally repeating units B wherein Z=S, Se, N—R and O; W is at each occurrence independently a monocyclic or polycylic moiety optionally substituted with 1-4 Ra groups; Y, at each occurrence, is independently a divalent C1-6 alkyl group, a divalent C1-6 haloalkyl group, or a covalent bond; c is from 1 to 6.
Abstract: An adhesion promoter, a coating composition containing the adhesion promoter, and a method for preparing the adhesion promoter and coating. The adhesion promoter is an olefin based polymer having at least one amine containing compound. The amine may be used as a catalyst for the coating.
Abstract: A lignocellulose-containing material, obtainable by treating lignocellulose particles A with a binder B, the binder B comprising the following components: An aqueous component (I) comprising (i) a polymer A which is composed of the following monomers: a) from 80 to 100% by weight of at least one ethylenically unsaturated mono- and/or dicarboxylic acid (monomer(s) A1) and b) from 0 to 20% by weight of at least one further ethylenically unsaturated monomer which differs from the monomers A1 (monomer(s) A2) and ii) a low molecular weight crosslinking agent having at least two functional groups which are selected from the group consisting of hydroxyl, carboxylic acid and derivatives thereof, primary, secondary and tertiary amine, epoxy and a component (II) as an aqueous dispersion comprising one or more polymer(s) M which are composed of the following monomers: a) from 0 to 50% by weight of at least one ethylenically unsaturated monomer which comprises at least one epoxide group and/or hydroxyalkyl group (mono
Abstract: Surfactants with polyether sulfonate structure, which have a propanonylsulfonic acid group as a head group, a process for preparing such surfactants and their use for tertiary mineral oil extraction.
Type:
Grant
Filed:
October 15, 2008
Date of Patent:
June 18, 2013
Assignee:
BASF SE
Inventors:
Christian Bittner, Oetter Günter, Ulrich Steinbrenner, Jürgen Huff, Marcus Guzmann
Abstract: A container assembly having a tank with first and second sides for storing materials under pressure. A plurality of hoop stringers surround each half of the tank and cross one another to define joints. The hoop stringers extend radially outward at various points, including the crossing of the hoop stringers, to increase a cross sectional area of the hoop stringers.
Abstract: An aqueous slurry of finely divided fillers which are at least partly coated with anionic latices, wherein the slurry is obtainable by treating an aqueous slurry of finely divided fillers with an aqueous dispersion comprising at least one anionic latex and at least one degraded starch, preparation of the aqueous slurries and their use as an additive to the paper stock in the production of filler-containing paper, filler-containing cardboard or filler-containing board by draining the paper stock.
Abstract: The invention relates to efficient, high-throughput methods, systems, and DNA constructs for identification and isolation of transcription termination sequences. The invention relates further to specific terminator sequences identified by the methods isolated from rice.
Type:
Grant
Filed:
July 30, 2005
Date of Patent:
June 18, 2013
Assignee:
BASF Plant Science GmbH
Inventors:
Hee-Sook Song, Michael Kock, Jeffrey A. Brown, Linda Patricia Loyall, Liqun Xing, Hongmei Jia, John McMillan, Lesley Ireland
Abstract: The present invention relates to a process for producing water-absorbing polymer fibers, especially micro-or nanofibers, by electrospinning process and to fibers obtainable by this process.
Abstract: A process for preparing 5-hydroxymethylfurfural (HMF), which comprises a) feeding solutions (hereinafter called starting solution) comprising one or more saccharides and an organic solvent having a boiling point greater than 200° C. (at standard pressure) (called high boiler for short) and water, ?and a solvent having a boiling point greater than 60° C. and less than 200° C. (at standard pressure, called low boiler for short) to a reaction vessel, b) effecting a conversion of hexose to HMF in the reaction vessel in the presence of water vapor with simultaneous distillative removal of the HMF and c) obtaining, as the distillate, an aqueous, HMF-comprising solution (hereinafter called distillate).
Abstract: Method for producing 5-hydroxymethylfurfural (HMF), wherein a) solutions (hereinbelow called starting solution) which comprise a hexose and an organic solvent with a boiling point greater than 200° C. (at standard pressure) (for short called high-boiling component), and steam are fed to a reaction vessel, b) in the reaction vessel, a conversion of the hexose to HMF takes place in the presence of steam with the simultaneous distillative removal of the HMF and c) as distillate, an aqueous, HMF-comprising solution (hereinbelow called distillate) is obtained.
Abstract: The present invention relates to a method of increasing resistance against fungal infection in transgenic plants and/or plant cells. In these plants, the content and/or the activity of a HCP-2-protein are increased in comparison to the wild-type plants not including a recombinant HCP-2-gene.
Abstract: The present invention relates to a method for the radical polymerization or copolymerization of ethylene at high pressures using a hydroxylamine ester as radical initiator. The hydroxylamine esters according to the invention are suitable initiators for the high pressure polymerization of ethylene leading to high molecular weight polyethylenes with narrow molecular weight distributions (Poyldispersity Index PD=1,2?4.5).
Abstract: A method for detecting and enumerating viable microorganisms in a sample suspected of containing said microorganisms: (1) contacting said microorganisms of said sample with repair compounds and a growth medium, and (2) incubating the product of step (1), and (3) detecting and enumerating said microorganisms, in which the microorganisms are of the species Legionella pneumophila, and in which the repair compounds comprise: (a) serine; (b) threonine; (c) a compound containing calcium ions at a dose of 10?6 to 10?2 mM; (d) a compound containing magnesium ions at a dose of 10?6 to 10?2 mM; (e) a compound containing potassium ions; (f) glutamic acid or a salt thereof; and (g) pyruvic acid or a salt thereof. The invention also discloses a kit for detecting and enumerating viable microorganisms of the species Legionella pneumophila in a sample suspected of containing said microorganisms.
Type:
Application
Filed:
June 1, 2011
Publication date:
June 13, 2013
Applicants:
Centre National de la Recherche Scientifique (CNRS), BASF SE
Inventors:
Yannick Fovet, Adrien Ducret, Sam Dukan, Marina Periame
Abstract: There is provided a process for purifying a fatty acid, which process comprises reacting a fatty acid with a lithium salt in a first solution and under conditions to allow formation of a precipitate of a lithium salt of the fatty acid; isolating the precipitate; dissolving the precipitate in a second solution followed by separation of the organic and aqueous layers so formed; and evaporating the organic layer to isolate the purified fatty acid. There is also provided a process for increasing the length of a fatty acid, and the use of a lithium salt to purify a fatty acid.
Type:
Application
Filed:
January 27, 2011
Publication date:
June 13, 2013
Applicant:
BASF PHARMA (CALLANISH) LIMITED
Inventors:
Adam Kelliher, Angus Morrison, Phil Knowles