Abstract: The invention relates to the use of crosslinked nitrogenous compounds which are soluble or dispersible in water and are obtainable by crosslinking of
(a) compounds containing at least three NH groups with
(b) at least bifunctional crosslinkers which react with NH groups,
in detergents and cleaners, especially soil release agents.
Compounds (a) are preferably selected from the group consisting of oligo- and polyamines, polyalkylenepolyamines, polyamidoamines, polyamidoamines grafted with (poly)ethyleneimine, and mixtures thereof.
Type:
Grant
Filed:
October 2, 2000
Date of Patent:
August 17, 2004
Assignee:
BASF Aktiengesellschaft
Inventors:
Hubert Meixner, Ulrich Steuerle, Jürgen Decker, Wolfgang Paulus, Dieter Boeckh, Jürgen Alfred Lux, Beate Ehle
Abstract: The present invention provides improved coated pesticidal matrices and a process for their preparation. The present invention also provides a wettable powder pesticidal composition containing the improved coated pesticidal matrices.
Type:
Grant
Filed:
June 9, 1998
Date of Patent:
August 17, 2004
Assignee:
BASF Aktiengesellschaft
Inventors:
Guanglin Sun, Fakhruddin Ahmed, Bruce Christian Black
Abstract: A process for producing scratch-resistant coatings, encompassing the following steps:
applying at least one UV-curable coating composition to at least one surface of an article to be coated, said coating composition comprising at least one polymer and/or oligomer P1 containing on average at least one ethylenically unsaturated double bond per molecule, and
curing the coating composition by exposure to UV radiation,
which comprises conducting the curing of the coating composition under an oxygen-containing protective gas which has an oxygen partial pressure in the range from 0.2 to 18 kPa.
Type:
Grant
Filed:
February 25, 2002
Date of Patent:
August 17, 2004
Assignee:
BASF Aktiengesellschaft
Inventors:
Thomas Jaworek, Reinhold Schwalm, Rainer Königer, Reiner Kranwetvogel
Abstract: Alkoxylated, condensed basic amino acid-containing polymers comprising the addition products of alkylene oxides with
homocondensates of basic amino acids,
condensates of mixtures of two or more basic amino acids and
cocondensates of basic amino acids and cocondensable compounds,
and a process for the production of alkoxylated, condensed basic amino acid-containing polymers which comprises reacting
homocondensates of basic amino acids,
condensates of mixtures of two or more basic amino acids and
cocondensates of basic amino acids and cocondensable compounds
with at least one alkylene oxide selected from the group consisting of C2- and C30-alkylene oxides and styrene oxide.
Type:
Grant
Filed:
November 19, 2001
Date of Patent:
August 17, 2004
Assignee:
BASF Aktiengesellschaft
Inventors:
Bernhard Mohr, Dieter Boeckh, Oliver Borzyk
Abstract: A radiation-curable composite layered sheet or film comprising at least one substrate layer and one outer layer, said outer layer being composed of a radiation-curable composition having a glass transition temperature of more than 40° C.
Type:
Grant
Filed:
October 22, 2001
Date of Patent:
August 17, 2004
Assignees:
BASF Aktiengesellschaft, DaimlerChrysler AG
Inventors:
Rainer Königer, Erich Beck, Achim Grefenstein, Reinhold Schwalm, Margit Veeh, Claudia Vogel, Walter Aichholzer, Thomas Gruber, Karl Holdik
Abstract: Aqueous dispersions of composite particles composed of addition polymer and finely divided inorganic solid and obtainable by free-radical emulsion polymerization on a mixture of ethylenically unsaturated monomers including at least one ethylenically unsaturated alkoxysilane monomer in an aqueous medium in the presence of a dispersely distributed, finely divided inorganic solid and at least one dispersant are used to prime mineral substrates.
Type:
Application
Filed:
December 19, 2003
Publication date:
August 12, 2004
Applicant:
BASF Aktiengesellschaft
Inventors:
Harm Wiese, Alexander Centner, Stefan Kirsch, Marco Schmidt, Ines Pietsch, Matthias Laubender
Abstract: A process for coating surfaces in apparatuses or apparatus parts for plant construction, preferably for chemical plant construction, involves optionally first hydrophobicizing a polymer film having a microstructure and optionally additionally macrostructured surface and then fixing it on the apparatus or apparatus part to be coated, and also apparatuses and apparatus parts thus coated.
Type:
Application
Filed:
February 12, 2003
Publication date:
August 12, 2004
Applicant:
BASF Aktiengesellschaft
Inventors:
Harald Keller, Ekkehard Jahns, Christian Lach, Stephan Huffer, Thilo Krebs, Yi Thomann, Thomas Frechen
Abstract: The tert-butyl ester of an aliphatic C1-C4-carboxylic acid is prepared by reacting the carboxylic acid with isobutene in the liquid phase in the presence of an acidic catalyst by a continuous process in which the reaction is carried out in a reactor divided into a plurality of sections, the carboxylic acid, the isoolefin and the catalyst are fed into the first section of the reactor, the reaction mixture obtained is removed from the last section of the reactor and the ester is isolated therefrom, the reaction temperature in the reactor being controlled so that it is from 10 to 40° C. and is highest in the first section of the reactor.
Type:
Application
Filed:
February 3, 2004
Publication date:
August 12, 2004
Applicant:
BASF Aktiengesellschaft
Inventors:
Ruprecht Kroker, Gerhard Nestler, Werner Schmitt, Winfried Schumm
Abstract: The present invention relates to the use of polymerizable liquid-crystalline compounds for the production of optical elements having color- and polarization-selective reflection, and to optical elements comprising these compounds in monomeric or polymerized form.
Type:
Grant
Filed:
May 7, 2003
Date of Patent:
August 10, 2004
Assignee:
BASF Aktiengesellschaft
Inventors:
Frank Meyer, Norbert Schneider, Peter Schuhmacher
Abstract: The present invention relates to partially branched polymers having a number-average molecular weight Mn in the range from 500 to 20 000 daltons and synthesized from ethylenically unsaturated monomers including:
i) from 80 to 99.9% by weight of monoethylenically unsaturated monomers A, and
ii) from 0.1 to 20% by weight of monomers B containing at least two nonconjugated ethylenically unsaturated double bonds,
the weight fraction of the monomers A and B being based on the total amount of the ethylenically unsaturated monomers that constitute the polymer.
Abstract: A process for preparing phthalic anhydride by gas-phase oxidation of xylene, naphthalene or mixtures thereof over two different fixed-bed catalysts arranged in zones in a shell-and-tube reactor which is thermostated by means of a heat transfer medium is carried out so that the maximum temperature in the second catalyst zone in the flow direction is at least 52° C. lower than the maximum temperature in the first catalyst zone.
The process of the present invention makes it possible to prepare phthalic anhydride in high yields under conditions relevant to industrial practice.
Type:
Grant
Filed:
February 12, 2003
Date of Patent:
August 10, 2004
Assignee:
BASF Aktiengesellschaft
Inventors:
Peter Reuter, Guido Voit, Thomas Heidemann
Abstract: A process for the preparation of novel polyamides, the use of such polyamides for the production of fibers, sheets and moldings, and fibers, sheets and moldings obtainable from such polyamides, are provided.
Type:
Grant
Filed:
December 26, 2002
Date of Patent:
August 10, 2004
Assignee:
BASF Aktiengesellschaft
Inventors:
Paul-Michael Bever, Ulrike Breiner, Bernd-Steffen von Bernstorff, Gerhard Conzelmann
Abstract: Undesirable changes in shade brought about by low temperatures (Cold Stress Whitening) in impact-modified thermoplastic molding compositions F which comprise at least one elastomeric graft polymer A and at least one thermoplastic polymer B are reduced by adding from 10 to 200 ppm, based on the molding compositions F, of at least one polyorganosiloxane S to the impact-modified thermoplastic molding composition F.
Abstract: The present invention relates to soft capsules comprising
(a) polymers prepared by polymerization of vinyl esters in the presence of polyethers
(b) where appropriate structure-improving auxiliaries and
(c) where appropriate other conventional constituents,
the use and production thereof.
Type:
Grant
Filed:
March 14, 2001
Date of Patent:
August 3, 2004
Assignee:
BASF Aktiengesellschaft
Inventors:
Maximilian Angel, Karl Kolter, Axel Sanner, Michael Gotsche
Abstract: The invention relates to a method for producing acid chlorides by converting carboxylic acids with carbon oxychlorides or thionyl chloride in the presence of a catalyst adduct of an N,N-disubstituted formamide of general formula (I) and carbon oxychloride or thionyl chloride. In the formula, R1 and R2, independently from one another, mean C1- to C4-alkyl or R1 and R2 together mean a C4- or C5-alkylene chain. According to the inventive method, hydrogen chloride is added during and/or after the conversion.
Type:
Grant
Filed:
March 12, 2002
Date of Patent:
August 3, 2004
Assignee:
BASF Aktiengesellschaft
Inventors:
Ralph Busch, Heinz-Josef Kneuper, Theodor Weber, Winfried Müller, Armin Stamm, Jochem Henkelmann
Abstract: A compact veneer is based on a reaction mixture comprising
a) isocyanate,
b) as compounds which are reactive toward isocyanates, a mixture (b1) comprising:
b11) from 15 to 90% by weight, preferably from 50 to 80% by weight, based on the weight of the mixture (b1), of at least one polyether polyalcohol having a molecular weight of from 400 to 6000, preferably from 1000 to 4000 and a mean functionality of from 1.5 to 3 and based on hydroxyl-containing initiator substances and propylene oxide and also, if desired, ethylene oxide,
b12) from 0 to 20% by weight, preferably from 0 to 10% by weight, based on the weight of the mixture (b1), of at least one polyether polyalcohol having a molecular weight of from 400 to 6000, preferably from 400 to 4000, and a mean functionality of from 1.
Type:
Grant
Filed:
November 15, 1999
Date of Patent:
August 3, 2004
Assignee:
BASF Aktiengesellschaft
Inventors:
Peter Roche, Thomas Bartz, Georg Knoblauch
Abstract: The invention relates to an electrolysis cell comprising an anode compartment which comprises an aqueous solution of at least one alkali metal salt, a cathode compartment and a solid electrolyte which separates the anode compartment and the cathode compartment from one another, wherein that part of the surface of the solid electrolyte which is in contact with the anode compartment and/or that part of the surface of the solid electrolyte which is in contact with the cathode compartment has/have at least one further ion-conducting layer.
Type:
Grant
Filed:
February 25, 2002
Date of Patent:
August 3, 2004
Assignee:
BASF Aktiengesellschaft
Inventors:
Hermann Pütter, Günther Huber, Kerstin Schierle-Arndt, Dieter Schläfer, Josef Guth
Abstract: Composite elements having the following layer structure:
(i) 2-20 mm of metal,
(ii) 10-100 mm of compact polyisocyanate polyaddition products obtainable by reacting (a) isocyanates with (b) polyether polyalcohols, if desired in the presence of (c) catalysts and/or (d) auxiliaries and/or additives,
(iii) 2-20 mm of metal.
Type:
Grant
Filed:
December 5, 2000
Date of Patent:
August 3, 2004
Assignee:
BASF Aktiengesellschaft
Inventors:
Heike Wild, Hans-Juergen Reese, Georg Knoblauch, Thomas Bartz, Mathäus Rank, Heinz Forster
Abstract: A two-step process for the preparation of fluoroolefin compounds of formula I
wherein
R is hydrogen or alkyl, and R1 is alkyl or cyclopropyl, or R and R1 are taken together with the carbon atom to which they are attached to form a cyclopropyl group;
Ar is phenyl or naphthyl both of which are optionally substituted;
Ar1 is phenoxyphenyl, biphenyl, phenyl, benzylphenyl, or benzoylphenyl, all of which may be optionally substituted,
comprising reacting fluorobromoolefin compounds of formula II
with organozinc compounds of formula III or IV
BrZnCH2Ar1 III
Zn[CH2Ar1]2 IV
in the presence of a palladium catalyst and a solvent,
which compounds of formula II are obtained by reacting aldehyde compounds of formula V
with
(a) fluorotribromomethane,
(b) a tri(substituted)phosphine or a hexaalkylphosphoramide or a mixture thereof, and
(c) zinc,
in the presence of a solvent,
compounds of formula II.