Abstract: The present invention relates to a coarsely divided microcapsule preparation with particles whose particle sizes are in the range from 200 ?m to 5 cm, comprising microcapsules with a capsule core of latent heat storage material and a thermosetting polymer as capsule wall and one or more polymeric binders whose binder polymer has thermoplastic properties and film-forming properties under processing conditions, where the binder content, calculated as solid, is 1-30% by weight, based on the total weight of the coarsely divided microcapsule preparation.
Type:
Grant
Filed:
August 2, 2005
Date of Patent:
November 6, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Gabriele Lang-Wittkowski, Ekkehard Jahns, Marco Schmidt, Michael Senge, Markus Steffen, Karl Kolter
Abstract: The present invention relates to a spray-polyurethane system which comprises a polyol component (A) and an isocyanate component (B), where the polyol component (A) comprises a1) at least one compound reactive with isocyanate, a2) at least one reactive chain extender having at least two groups reactive toward isocyanates, where at least one group reactive toward isocyanates is a free, primary NH2 group, and also a3) at least one metal catalyst, and a4) if appropriate, further additives, where the spray-polyurethane system comprises no amine catalyst. The present invention moreover relates to a process for production of a backing layer composed of polyurethane for moldings and to the use of this backing layer for production of automobile parts. Inventive backing layers have good mechanical properties, and low emissions, and their demolding time is small when compared with the open assembly time.
Type:
Grant
Filed:
July 18, 2007
Date of Patent:
October 30, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Cord Schmalkuche, Udo Hadick, Holger Leifheit, Georg Partusch, Franz Xaver Redl
Abstract: A process for preparing phenyl iso(thio)cyanates of the formula I in which a compound of the formula II or its HCl adduct is reacted with a phosgenating agent where W is oxygen or sulfur and Ar and A are as defined in claim 1 is described. Moreover, the invention relates to the use of the phenyl iso(thio)cyanates for preparing crop protection agents.
Type:
Application
Filed:
June 28, 2012
Publication date:
October 25, 2012
Applicant:
BASF AKTIENGESELLSCHAFT
Inventors:
Gerhard Hamprecht, Michael Puhl, Bernd Wolf, Norbert Götz, Michael Keil, Robert Reinhard, Ingo Sagasser, Werner Seitz
Abstract: The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, wherein at least one graft polyol b1) which can be prepared by in-situ polymerization of olefinically unsaturated monomers in a polyether alcohol b1i), where the polyether alcohol b1i) has a functionality of from 2 to 4 and a hydroxyl number in the range from 100 to 250 mg KOH/g, its polyether chain comprises propylene oxide and up to 20% by weight, based on the polyether alcohol b1i), of ethylene oxide, and acrylonitrile and styrene in a weight ratio of acrylonitrile:styrene of from >1:1 to 4:1 are used as olefinically unsaturated monomers, is used as compounds having at least two hydrogen atoms which are reactive toward isocyanate groups b), and the reaction is carried out in the presence of at least one compound b1ii) which has at least one olefinic double bond an
Type:
Grant
Filed:
September 6, 2007
Date of Patent:
October 23, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Andreas Emge, Daniel Freidank, Holger Seifert
Abstract: A composition for cyanide leaching which comprises at least one nonionic surfactant and a process for extracting metals using the abovementioned composition are described.
Type:
Grant
Filed:
December 22, 2005
Date of Patent:
October 16, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Hans-Peter Seelmann-Eggebert, Guenter Oetter, Arturo Berastain, Cesar Ostos Rios
Abstract: The present invention relates to a process for the continuous production of thermoplastically processable polyurethane elastomers, by metering a polyisocyanate (A), a proportion of 1-80 equivalent%, based on the isocyanate group content of the polyisocyanate (A), of a compound (B) having an average of at 1.8-3.0 hydrogen atoms having Zerewitinoff activity, with an average molar mass of 450-5000 g/mol, and a proportion of 12-99 equivalent%, based on the isocyanate group content of the polyisocyanate (A), of a chain extender (C), into a self-cleaning twin-screw extruder whose diameter is 32-62 mm, which is operated at shear rates above 6000 s?1 and residence times of 1-20 seconds, and then bringing the mixture from the self-cleaning twin-screw extruder into a second apparatus in order to complete the reaction.
Type:
Grant
Filed:
January 31, 2006
Date of Patent:
October 16, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Guenter Scholz, Marian Mours, Sven Lawrenz, Horst Papenfuss, Christoph Bahr, Ruediger Krech
Abstract: A process is described for separating mixtures of isomeric pentenenitriles, in which at least one isomer is removed from the mixture, wherein the separation of the substance mixtures of isomeric pentenenitriles is effected distillatively under reduced pressure.
Type:
Grant
Filed:
March 14, 2011
Date of Patent:
October 2, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Tim Jungkamp, Robert Baumann, Michael Bartsch, Gerd Haderlein, Hermann Luyken, Jens Scheidel
Abstract: The present invention relates to a process for preparing (meth)acrylic esters of alcohols having C—C triple bonds, to processes for their preparation, and to their use.
Type:
Grant
Filed:
July 31, 2006
Date of Patent:
October 2, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Dietmar Haering, Uwe Meisenburg, Bernhard Hauer, Frank Dietsche
Abstract: The present invention relates to light emitting compounds, especially to triplett emitters suitable for electrooptical applications. Compounds according to the invention are organometallic complexes of a metal, preferably Ir, having a backbone of one five-membered ring that is linked to a five- or six-membered ring, by an intermediate six-membered ring. These compounds are suitable for adaptation to the emission of light in the UV to NIR range by adaptation of atoms or groups within at least one of the five-membered or six-membered ring structures.
Abstract: The invention concerns fire-extinguishing and/or fire-retarding compositions comprising at least one water-absorbing polymer and at least one alkali metal salt of a nonpolymeric saturated carboxylic acid, processes for their production and the use of the compositions for firefighting or as fire-retarding coatings.
Type:
Grant
Filed:
November 21, 2005
Date of Patent:
September 25, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Martin Beck, Samantha Champ, Markus Tönnessen, Antje Ziemer, Gerd Goebel, Matthias Pfeiffer
Abstract: Process for applying integrated pretreatment layers to metallic surfaces, particularly the surfaces of coil metals, by treatment with a composition comprising at least one binder, crosslinker, a finely divided inorganic filler, and compounds containing at least two thioamide groups or containing one thioamide group and at least one functional group. Integrated pretreatment layer obtainable by the process.
Type:
Grant
Filed:
January 24, 2006
Date of Patent:
September 25, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Monica Fernandez Gonzalez, Markus Hickl, Cordula Mock-Knoblauch, Manfred Essig, Ingolf Hennig, Alexander Goethlich
Abstract: Provided is a process for esterifying or transesterifying side chains in polymers, which involves esterifying or transesterifying the carboxyl group having the R4 radical of a copolymer obtained by polymerizing a (meth)acrylate of formula (I), and a monomer of formula (II): wherein R1 and R3 are independently H or CH3, R2 and R4 are independently H or an alkyl radical which is optionally substituted by functional groups such as acryloyl, ether, amino, epoxy, halogen or sulfonic acid groups, and n is from 1 to 40, with an alcohol in the presence of an enzyme which catalyzes the esterifying or transesterifying. Further provided is the esterified or transesterified polymer product and its use.
Type:
Grant
Filed:
November 24, 2006
Date of Patent:
September 25, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Dietmar Haering, Lidcay Herrera Taboada, Bernhard Hauer, Thomas Friedrich, Alexander Goethlich
Abstract: The present invention relates to a microorganism belonging to the group of lactic acid bacteria capable of specifically binding to Streptococcus mutans, wherein the specific binding is (i) resistant to heat treatment; (ii) resistant to protease treatment; (iii) calcium-dependent; (iv) formed within a pH range between 4.5 and 8.5; and/or (v) formed in the presence of saliva. The present invention is also relates to an analog or fragment of the microorganism which is thermally inactivated or lyophilized, wherein the analog or fragment retains the capability of specifically binding to Streptococcus mutans. The invention further encompasses compositions and additives for food, feed or drinks comprising the microorganism or an analog or fragment thereof. Also provided is uses of the microorganism or an analog or fragment thereof for the preparation of an anticariogenic or pharmaceutical composition or anticariogenic food or feedstuff as well as methods for producing the compositions or food or feedstuff.
Type:
Application
Filed:
May 2, 2012
Publication date:
September 20, 2012
Applicant:
BASF Aktiengesellschaft
Inventors:
Bruno Kaesler, Rolf Knöll, Mewes Boettner, Eckhard Budde, Christine Lang, Martin Ryser, Markus Veen
Abstract: An adhesive film which comprises at least two continuous polymer phases A and B each formed from a polymer or polymer mixture A (polymer A for short) and a polymer or polymer mixture B (polymer B for short) and which is obtainable by filming at least one of the polymers, A or B, initially in the form of an aqueous polymer dispersion.
Type:
Grant
Filed:
June 29, 2007
Date of Patent:
September 18, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Dieter Urban, Petra Schoecker, Stefan Kirsch, Ines Pietsch, Michael Kutschera, Horst Weiss, Cornelis Petrus Beyers
Abstract: Thermoplastic molding compositions comprising A) from 10 to 99.99% by weight of at least one thermoplastic polyester B) from 0.01 to 50% by weight of a highly branched or hyperbranched polyester of AxBy type where x is at least 1.1 and y is at least 2.1 C) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to C) is 100%.
Type:
Grant
Filed:
February 2, 2005
Date of Patent:
September 11, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Andreas Eipper, Bernd Bruchmann, Dietrich Scherzer, Jean-Francois Stumbe, Carsten Weiss, Freddy Gruber
Abstract: The claimed invention relates to a process for preparing (meth)acrylates of N-hydroxyalkylated amides, in which open-chain N-hydroxyalkylated amides are esterified with (meth)acrylic acid or transesterified with at least one (meth)acrylic ester in the presence of at least one heterogeneous catalyst selected from the group consisting of an inorganic salt and an enzyme.
Abstract: A process for the preparation of polyalkenylsuccinimide products, in particular polyisobutenylsuccinimide products, is proposed, in which a polyalkene is reacted with a maleic acid, maleic anhydride or a functional derivative thereof to give a polyalkenylsuccinic anhydride and the polyalkenylsuccinic anhydride is then reacted with an oligoamine or polyamine, the polyalkenylsuccinic anhydride either (a) first being reacted with an alcohol or phenol and, without isolation of the reaction product, then with the oligoamine or polyamine, or (b) the polyalkenylsuccinic anhydride being reacted with the oligoamine or polyamine in the presence of an alcohol or phenol and (c) if desired, the alcohol or the phenol then being removed. Novel polyalkenylsuccinimide products, in particular polyisobutenylsuccinimide products, and fuel additives are also proposed.
Type:
Grant
Filed:
May 14, 2002
Date of Patent:
September 11, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Stephan Hueffer, Peter Schwab, Klaus Fischer, Thomas Berg, Helmut Mach
Abstract: The present invention relates to a process for preparing isocyanates and an apparatus suitable for this purpose, and also its use. In the process, an amine and phosgene, both in the gas phase, react in the presence of an inert medium. A number, n, of amine streams are reacted with a number, n +1, of phosgene streams in a reactor. The number n is a positive integer of at least 1. All amine and phosgene streams are introduced into the reactor through annular gaps for mixing.
Type:
Grant
Filed:
August 23, 2006
Date of Patent:
September 4, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Andreas Woelfert, Carsten Knoesche, Andreas Daiss, Tsung-Chieh Cheng, Torsten Mattke, Eckhard Stroefer
Abstract: The present invention relates to a process for preparing 3-phenyl(thio)uracils and -dithiouracils of the formula I where the variables are each as defined in the description, and also intermediates for their preparation.
Type:
Grant
Filed:
July 13, 2005
Date of Patent:
August 28, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Sandra Löhr, Joachim Gebhardt, Guido Mayer, Michael Keil, Thomas Schmidt, Bernd Wolf
Abstract: The invention relates to a process for producing flexible polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, wherein the component b) comprises at least one polyether carbonate polyol bi) which can be prepared by addition of carbon dioxide and alkylene oxides onto H-functional starter substances using DMC catalysts and has a functionality of at least 2, a hydroxyl number in the range from 10 to 500 mg KOH/g and a content of incorporated carbon dioxide in the form of carbonate units of at least 2% by weight.
Type:
Grant
Filed:
November 9, 2007
Date of Patent:
August 21, 2012
Assignee:
BASF Aktiengesellschaft
Inventors:
Darijo Mijolovic, Stephan Bauer, Stephan Goettke