Abstract: Aqueous polymer dispersions based on copolymers of C.sub.2 -C.sub.14 olefins and monomers which contain acidic functional groups or are able to form them by hydrolysis, which dispersions may also contain colorants and/or corrosion inhibitors dispersed or dissolved in the polymer phase, are used for protecting metallic surfaces against corrosion.
Type:
Grant
Filed:
March 5, 1999
Date of Patent:
November 14, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Gregor Brodt, Arend Jouke Kingma, Ulrich Schroder
Abstract: A process for preparing phthalides of the general formula I, ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently hydrogen, C.sub.1-C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, by hydrogenating phthalic anhydrides of the general formula II, ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each as defined above, with hydrogen in the presence of suspended catalysts of the Raney type in a hydrogenation apparatus by using a mixing apparatus to mix a liquid phase, which includes the catalyst and the phthalic anhydride used and resulting phthalide, and a gas phase, which includes the hydrogenating hydrogen, comprises using the mixing apparatus to introduce a mixing intensity of at least 50 W/l into the liquid phase.
Type:
Grant
Filed:
April 1, 1999
Date of Patent:
November 14, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Klemens Massonne, Rainer Becker, Horst Neuhauser, Horst Zimmermann, Wolfgang Reif, Peter Cramers, Daniel Nardin
Abstract: The use of a formaldehyde-free aqueous binder comprisingA) a polymer obtained by free-radical polymerization comprising 5-100% by weight of an ethylenically unsaturated acid anhydride or of an ethylenically unsaturated dicarboxylic acid whose carboxyl groups may form an anhydride group, andB) an alkanolamine having at least two hydroxyl groupsas a coating composition for shaped articles.
Type:
Grant
Filed:
August 19, 1998
Date of Patent:
November 14, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Bernd Reck, Eckehardt Wistuba, Wilhelm Friedrich Beckerle, Axel Kistenmacher, Robert Rupaner, Rainer Hummerich
Abstract: A durability enhancing agent comprising the reaction product of an acrylic oligomer or acrylic polymer and an ultraviolet light absorbing compound, a hindered amine light stabilizer or mixture thereof, said durability enhancing agent further comprising more than one carbamate functional group, or group convertible to a carbamate group, and optionally, including other reactive functionality capable of undergoing a crosslinking reaction. Also included is a curable coating composition comprising the durability enhancing agent, a method for obtaining a coated substrate and the coated article obtained thereby.
Type:
Grant
Filed:
December 18, 1996
Date of Patent:
November 14, 2000
Assignee:
BASF Corporation
Inventors:
John E. Boisseau, Donald L. St. Aubin, Patricia K. Oberg, John W. Rehfuss
Abstract: There is provided an emulsifier composition comprising (a) a blend consisting essentially of a polyoxyethylene (EO)/polyoxypropylene (PO) block copolymer which contains 10-40% EO, and where the molecular weight of the PO hydrophobe is about 500-6000; anionic surfactants; and a solvent; (b) a blend consisting essentially of a polyoxyethylene (EO)/polyoxypropylene (PO) block copolymer which contains 50-80% EO, and where the molecular weight of the PO hydrophobe is about 500-6000; anionic surfactants; and a solvent; and (c) a butyl ether of an EO/PO block copolymer.
Type:
Grant
Filed:
August 17, 1998
Date of Patent:
November 7, 2000
Assignee:
BASF Corporation
Inventors:
Christopher G. Utz, Johnny M. Sekmistrz
Abstract: Ascorbyl sorbates of the formula I, ##STR1## where the variables independently of one another have the following meanings:R.sup.1 and R.sup.2are hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.1 -C.sub.20 -acyl;where R.sup.1 and R.sup.2, together with the oxygen atoms to which they are bonded and the carbon atoms bonded to the oxygen atoms, can form an unsubstituted or substituted heterocycle;R.sup.3 is hydrogen or a cation selected from the group consisting of alkali metals and alkaline earth metals.
Type:
Grant
Filed:
October 26, 1998
Date of Patent:
November 7, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Harald Streicher, Linda von dem Bussche-Hunnefeld, Horst Westenfelder, Hans-Ulrich Wekel
Abstract: Mixtures contain(A) vinyl-containing monomers, and(B) an effective amount of a mixture inhibiting the premature polymerization of the vinyl-containing monomers during the purification or distillation and containing(i) from 0.05 to 4.5% by weight, based on the total mixture (B), of at least one N-oxyl compound of a secondary amine which carries no hydrogen atoms on the .alpha.-carbon atoms and(ii)from 99.95 to 95.5% by weight, based on the total mixture (B), of at least one nitro compound,and a mixture (B) is used for inhibiting the premature polymerization of monomers.
Type:
Grant
Filed:
August 3, 1998
Date of Patent:
November 7, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Heinz Friedrich Sutoris, Alexander Aumuller, Hermann Uhr
Abstract: Compositions for controlling harmful fungi, containing in a solid or liquid carrier pyridaben of the formula: ##STR1## or fenpyroximate of the formula: ##STR2## or tebufenpyrad of the formula: ##STR3## and at least one amide compound of the following formula I:A--CO--NR.sup.1 R.sup.2 (I)where the substituents have the meanings indicated in the description, and methods for controlling harmful fungi using compositions of this type are described.
Type:
Grant
Filed:
October 21, 1998
Date of Patent:
November 7, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Karl Eicken, Eberhard Ammermann, Siegfried Strathmann, Gisela Lorenz, Harald Kohle, Gunter Retzlaff
Abstract: Compounds of the present invention include cell growth inhibitors which are peptides of Formula I,A-B-D-E-F-(G).sub.r -(K).sub.s -L (I),and acid salts thereof, wherein A, B, D, E, F, G and K are .alpha.-amino acid residues, and s and r are each, independently, 0 or 1. L is a monovalent radical, such as, for example, an amino group, an N-substituted amino group, a .beta.-hydroxylamino group, a hydrazido group, an alkoxy group, a thioalkoxy group, an aminoxy group, or an oximato group. The present invention also includes a method for treating cancer in a mammal, such as a human, comprising administering to the mammal an effective amount of a compound of Formula I in a pharmaceutically acceptable composition.
Type:
Grant
Filed:
July 18, 1997
Date of Patent:
November 7, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Bernd Janssen, Teresa Barlozzari, Andreas Haupt, Thomas Zierke, Andreas Kling
Abstract: 1,7-Disubstituted perylene-3,4,9,10-tetracarboxylic dianhydrides I and perylene-3,4,9,10-tetracarboxylic acids Ia ##STR1## where R is substituted or unsubstituted aryloxy, arylthio, hetaryloxy or hetarylthio,their preparation and use as pigments, laser dyes and precursors for preparing fluorescent dyes, polymeric colorants, pigments and pigment additives, and 1,7-disubstituted perylene-3,4,9,10-tetracarboxylic diimides (VI) as intermediates thereof.
Type:
Grant
Filed:
June 18, 1998
Date of Patent:
November 7, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Arno Bohm, Harald Arms, Georg Henning, Peter Blaschka
Abstract: The invention relates to a component system for a two-component coating composition comprising a hydroxy-functional binder or a mixture of hydroxy-functional binders, tris(alkoxycarbonylamino)triazine or a mixture of tris(alkoxycarbonylamino)triazines and free isocyanates or a mixture of free polyisocyanates. It is characterized in that a first component (I) is formed at least from the hydroxy-functional binder or the mixture of hydroxy-functional binders and in that a second component (II) is formed at least from the free isocyanates or the mixture of free polyisocyanates, where the tris(alkoxycarbonylamino)triazine or the mixture of tris(alkoxycarbonylamino)triazines is alternatively a constituent of the first component (I), the second component (II) or both components (I) and (II).
Type:
Grant
Filed:
July 27, 1999
Date of Patent:
November 7, 2000
Assignee:
BASF Coatings AG
Inventors:
Fritz Bartol, Hubert Baumgart, Ulrike Rockrath
Abstract: A process for preparing guanidine derivatives, in particular creatine, is described and entails an O-alkylisourea salt and a primary or secondary amine being reacted in the presence of crystals of a guanidine derivative.
Type:
Grant
Filed:
December 13, 1999
Date of Patent:
November 7, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Knut Kessel, Michael Kluge, Thomas Greindl, Thomas Bogenstatter, Gunter Scherr, Matthias Rauls, Richard van Gelder
Abstract: Pigment preparations in pellet form wherein the organic pigment particles are coated with a mixture of a resin (A) having an acid number .gtoreq.200 and a resin (B) having an acid number <200 are useful for pigmenting printing inks.
Abstract: The invention relates to a pulverulent polymer composition comprisinga) a particulate mineral carrier of high specific surface area andb) a polymer dispersion applied to the carrier, andto a process for preparing this pulverulent polymer composition, to its use for preparing building materials, and to polymer-modified building materials, such as bitumen, dry mortars, powder adhesives, pulverulent coating formulations and filling compounds, all of which comprise such polymer compositions.
Type:
Grant
Filed:
November 4, 1997
Date of Patent:
November 7, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Heinrich Sack, Helmut Teichmann, Eckehardt Wistuba, Maximilian Angel, Wilhelm Friedrich Beckerle, Rudiger Fussl, Jeffrey Knight, Richard Kramer, Joachim Roser
Abstract: In a process for preparing amines of the general formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 are hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.20 -alkenyl, C.sub.2 -C.sub.20 -alkynyl, C.sub.3 -C.sub.20 -cycloalkyl, C.sub.4 -C.sub.20 -alkylcycloalkyl, C.sub.4 -C.sub.20 -cycloalkylalkyl, aryl, C.sub.7 -C.sub.20 -alkylaryl or C.sub.7 -C.sub.20 -aralkyl,R.sup.1 and R.sup.2 are together a saturated or unsaturated, divalent C.sub.3 -C.sub.9 -alkylene chain andR.sup.3 and R.sup.5 are each C.sub.21 -C.sub.200 -alkyl, C.sub.21 -C.sub.200 -alkenyl or together are a divalent C.sub.2 -C.sub.12 -alkylene chain,by reacting olefins of the general formula II ##STR2## where R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are as defined above, with ammonia or primary or secondary amines of the general formula III ##STR3## where R.sup.1 and R.sup.2 are as defined above, at from 200 to 350.degree. C.
Type:
Grant
Filed:
January 20, 1998
Date of Patent:
November 7, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Uwe Dingerdissen, Rudolf Kummer, Peter Stops, Ulrich Muller, Jurgen Herrmann, Karsten Eller
Abstract: A polymer which can be crosslinked by high-energy radiation and contains from 0.1 to 50% by weight, based on the polymer, of 2,3-dihydrofuran groups or derivatives thereof, each calculated as 2,3-dihydrofuran.
Type:
Grant
Filed:
September 22, 1998
Date of Patent:
November 7, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Wolfgang Reich, Reinhold Schwalm, Erich Beck, Lukas Haussling, Oskar Nuyken, Roman-Benedikt Raether
Abstract: Polymeric UV absorbers based on the units shown in the schematized formula I ##STR1## where the sequence of the units is arbitrary, the sum of a+b+c+d=100 anda is a value from 5 to 95,b is a value from 0 to 70,c is a value from 5 to 95,d is a value from 0 to 70and the radicals R have the meaning explained in the description, are described.
Type:
Grant
Filed:
August 7, 1998
Date of Patent:
November 7, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Harald Keller, Volker Schehlmann, Horst Westenfelder, Thomas Preiss
Abstract: The present invention concerns a novel method for preparing polymers (preferably (meth)acrylate polymers and copolymers) having a narrow molecular weight distribution by metal-free anionic polymerization in the presence of a phosphonium cation containing at least one annellated aromatic ring as substituent on the phosphorous atom.
Type:
Grant
Filed:
April 7, 1997
Date of Patent:
November 7, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Thieo E. Hogen-Esch, Dimo K. Dimov, Stephan Jungling, Volker Warzelhan, Hermann Gausepohl
Abstract: Pyridone dyes useful for thermal transfer and for dyeing or printing synthetic materials have the formula ##STR1## where X is CH or nitrogen,R.sup.1 is substituted or unsubstituted C.sub.1 -C.sub.20 -alkyl or substituted or unsubstituted phenyl,R.sup.2 is a carbocyclic or heterocyclic radical,R.sup.3 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.5 is substituted or unsubstituted C.sub.1 -C.sub.8 -alkyl or substituted or unsubstituted phenyl, andR.sup.6 is cyano, carbamoyl, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl or C.sub.1 -C.sub.4 -alkanoyl.
Abstract: 4-(3-Alkenylbenzoyl)pyrazoles of the formula I ##STR1## and agriculturally useful salts thereof; processes for preparing the compounds of the formula I; compositions comprising them; and the use of these derivatives or of compositions comprising them for controlling undesirable plants.
Type:
Grant
Filed:
November 22, 1999
Date of Patent:
November 7, 2000
Assignee:
BASF Aktiengesellschaft
Inventors:
Ernst Baumann, Wolfgang von Deyn, Stefan Engel, Regina Luise Hill, Uwe Kardorff, Guido Mayer, Martina Otten, Michael Rack, Joachim Rheinheimer, Matthias Witschel, Karl-Otto Westphalen, Ulf Misslitz, Helmut Walter