Patents Assigned to BASF
  • Patent number: 5073634
    Abstract: Basic dyes of the formulaChr.sup..sym.[FeCl.sub.4 ].sup..crclbar.where Chr.sup.a is a dye cation are useful for dyeing acrylonitrile polymers or acid-modified polyesters.
    Type: Grant
    Filed: May 1, 1990
    Date of Patent: December 17, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Johannes P. Dix, Guenter Hansen, Hellmut Kast
  • Patent number: 5073269
    Abstract: Water-soluble copolymers of maleic acid useful as water treatment agents are prepared by copolymerizing(a) from 99 to 80% by weight of maleic anhydride and(b) from 1 to 20% by weight of a monoethylenically unsaturated monomer copolymerizable therewith and, facultatively,(c) up to 10% by weight of a crosslinker, at from 60.degree. to 200.degree. C. in an aromatic hydrocarbon in the presence of peroxyesters derived from saturated or monoethylenically unsaturated carboxylic acids, and hydrolyzing the anhydride groups of the copolymers following the polymerization.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: December 17, 1991
    Assignee: BASF Corporation
    Inventors: Walter Denzinger, Heinrich Hartmann, Ulrich Goeckel, Felix Richter, Hans-Juergen Raubenheimer, Ekhard Winkler
  • Patent number: 5073474
    Abstract: A radiation sensitive mixture suitable for producing relief patterns contains(a) a polymeric binder which is insoluble in water but soluble in aqueous alkaline solutions and(b) an organic compound whose solubility in an aqueous alkaline developer is increased by the action of acid and which contains at least one acid cleavable group and additionally a group which forms a strong acid on irradiation,wherein the polymeric binder (a) contains from 5 to 35 mol % of monomer units having acid labile groups as copolymerized or cocondensed units or acid labile groups introduced by polymer analaogous reaction.
    Type: Grant
    Filed: May 16, 1989
    Date of Patent: December 17, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhold Schwalm, Horst Binder, Andreas Boettcher
  • Patent number: 5073286
    Abstract: An alkyl and/or aryl silyl ether capped polyether surfactant useful in cleaning compositions. The polyether is described in conjunction with automatic dishwashing detergent composition having improved chlorine bleach stability comprising:(a) an active chlorine containing compound selected from the group consisting of chlorinated trisodium phosphate, chlorinated cyanuric acid and alkali metal salts thereof, 2,3-dichloro-5,5-dimethylhydantoin, hypochlorite bleach and mixtures thereof to yield available chlorine in an amount of from about 0.1 percent to 5 percent;(b) about 0.1 percent to 5 percent of a chlorine bleach stable nonionic surfactant having the general formula:Y[A.sub.1 O).sub.n (A.sub.2 O.sub.m (A.sub.3 O).sub.p (X).sub.q A.sub.4 ].sub.zwherein Y is the residue of an organic compound having from 1 to 8, preferably 1 to 4, reactive hydrogens as measured by the Zerevitinov determination method; z is a number from 1 to 8, A.sub.1, A.sub.2 and A.sub.3 are C.sub.2 to C.sub.
    Type: Grant
    Filed: November 20, 1989
    Date of Patent: December 17, 1991
    Assignee: BASF Corporation
    Inventors: Jay G. Otten, Edward J. Parker, Michael G. Kinnaird
  • Patent number: 5073576
    Abstract: Low and high density structural RIM compositions are disclosed which have low viscosities. These compositions contain a resin "B-side" component which comprises a hydroxyl-functional tertiary amine polyol.
    Type: Grant
    Filed: June 28, 1990
    Date of Patent: December 17, 1991
    Assignee: BASF Corporation
    Inventors: Gregg S. Kuyzin, John R. Stoll
  • Patent number: 5073538
    Abstract: Cycloalkylidene derivatives of the general formulae Ia to Ic ##STR1## where the dashed line is a possible additional chemical bond, the radicals R.sup.1 are identical or different C.sub.1 -C.sub.4 -alkenyl groups, R.sup.2 and R.sup.3 are each methyl or ethyl, R.sup.4 is hydrogen or one of the radicals R.sup.1, X is oxygen, methylene or a chemical bond, m is from 0 to 3 or, when X is methylene, is from 1 to 3, or, when X is methylene and R.sup.1 is methyl, is from 2 to 3 and n is from 0 to 3, are used as fragrance materials.
    Type: Grant
    Filed: August 24, 1990
    Date of Patent: December 17, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Heullmann, Rainer Becker, Lothar Janitschke, Gerald Lauterbach, Wolfgang Barth, Klaas Jansen
  • Patent number: 5073320
    Abstract: Thermoplastic materials containing ceramic powders as fillers are prepared by introducing the thermoplastics into a mixing zone comprising a plurality of zones. The thermoplastics are melted in a first zone. In the subsequent second zone, the molten plastic is mixed with a suspension of a ceramic powder in an organic solvent, and the solvent is removed by distillation under reduced pressure in the third zone. In the fourth zone, the melt containing the ceramic powder is compressed and extruded. The process is suitable for the preparation of thermoplastic materials having a degree of filling of from 40 to 80% by volume of ceramic powders.
    Type: Grant
    Filed: September 11, 1990
    Date of Patent: December 17, 1991
    Assignee: BASF Aktiengesellschaft
    Inventor: Hans-Josef Sterzel
  • Patent number: 5073611
    Abstract: Copolymers which are curable by ultraviolet radiation in the air are prepared by a process in which a mixture of (A) from 80 to 99.9% by weight of olefinically unsaturated monomers, (B) from 0 to 10% by weight of a copolymerizable olefinically unsaturated, photoreactive compound which, in the excited state produced by UV radiation, is capable of abstracting hydrogen and (C) from 0 to 10% by weight of a polymerization-regulating photoreactive compound which, in the excited state, is capable of abstracting hydrogen is subjected to free radical polymerization, the sum of (B) and (C) being not less than 0.1% by weight and the stated percentages by weight being based on the sum of the weights of (A)+(B)+(C).
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: December 17, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerd Rehmer, Andreas Boettcher
  • Patent number: 5073585
    Abstract: Aqueous coating materials are based on a mixture of(A) an aqueous secondary dispersion of carboxyl-containing copolymers of acrylates or methacrylates having an acid number of from 15-150 and a K value of 22-50, as a binder,(B) not less than 5% by weight, based on the binder (A), of pigments and/or fillers, each of which contains or consists of a calcium compound or magnesium compound, and(C) 0.1-10% by weight, based on the components (B), of a monoester of phosphoric acid whose alcohol component is derived from an alkoxylated C.sub.4 -C.sub.24 -alcohol, phenol or an alkylphenol,the concentration of the components (B) being from 2-70% by volume, based on the solids of (A) and (B).
    Type: Grant
    Filed: August 12, 1988
    Date of Patent: December 17, 1991
    Assignee: BASF Aktiengesellschaft
    Inventor: Gerhard Neubert
  • Patent number: 5073563
    Abstract: An alkoxycoumarin substituted by a heterocyclic radical, of the formula ##STR1## Het is one of the following heterocyclic radicals: where X is oxygen or sulfur.
    Type: Grant
    Filed: October 5, 1989
    Date of Patent: December 17, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Fritz-Frieder Frickel, Thomas Kuekenhoehner, Beatrice Rendenbach-Mueller, Harald Weifenbach, Hans-Juergen Teschendorf
  • Patent number: 5071864
    Abstract: Aminoalkyl-substituted 2-aminothiazole derivatives of the general formula I ##STR1## where R.sup.1 and R.sup.2, which may be identical or different, are each hydrogen, C.sub.1 -C.sub.5 -alkyl, phenyl or C.sub.1 -C.sub.5 -alkanoyl, R.sup.3 is C.sub.1 -C.sub.5 -alkyl, phenyl which is unsubstituted or monosubstituted by halogen, C.sub.1 -C.sub.5 -alkyl or C.sub.1 -C.sub.5 -alkoxy, or thienyl,n is an integer of from 2 to 6, andNR.sup.4 R.sup.5 is one of the groups a, b, c or d ##STR2## where Ar is a phenyl ring which is unsubstituted or monosubstituted by C.sub.1 -C.sub.5 -alkyl, C.sub.1 -C.sub.5 -alkoxy, halogen, hydroxyl, nitro or trifluoromethyl, or is pyridyl, pyrimidinyl or thienyl, R.sup.5 is H or C.sub.1 -C.sub.5 -alkyl and R.sup.7 is phenyl which is unsubstituted or monosubstituted by C.sub.1 -C.sub.5 -alkyl, C.sub.1 -C.sub.5 -alkoxy, halogen, hydroxyl or trifluoromethyl, or R.sup.7 is thienyl, with the proviso that R.sup.3 is C.sub.1 -C.sub.5 alkyl only when either R.sup.1 and R.sup.
    Type: Grant
    Filed: June 28, 1990
    Date of Patent: December 10, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Beatrice Rendenbach-Mueller, Liliane Unger, Hans-Juergen Teschendorf
  • Patent number: 5071588
    Abstract: A liquid-crystalline mixture contains a liquid crystal composition and an azulenesquaric acid dye of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each have defined meanings, and is used for fabricating liquid crystal displays.
    Type: Grant
    Filed: September 7, 1989
    Date of Patent: December 10, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Schrott, Karin H. Beck, Karl-Heinz Etzbach, Peter Neumann
  • Patent number: 5071851
    Abstract: 4-substituted cyclohexylamines of the formula ##STR1## where R is the group CR.sup.1 R.sup.2 R.sup.3, where R.sup.1, R.sup.2 and R.sup.3 are hydrogen, unsubstituted or substituted alkyl, alkoxy, alkylthio or cycloalkyl, with the proviso that at most one of the substituents R.sup.1, R.sup.2 and R.sup.3 is hydrogen, X is an alkylene group which, together with the N atom, forms a substituted or unsubstituted heterocyclic ring in which up to 2 carbon atoms may be replaced by O, N or S atoms, and salts thereof, and fungicides containing these compounds.
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: December 10, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Ernst Buschmann, Norbert Goetz, Bernhard Zipperer, Eberhard Ammermann, Ernst-Heinrich Pommer
  • Patent number: 5071582
    Abstract: Cooling system cleaning solutions containing an EDTA salt, a polyhydroxy mono- or dicarboxylic sugar acid, and a soluble nitrate salt are effective in removing scale, corrosion, and solder bloom from cooling systems.
    Type: Grant
    Filed: August 6, 1990
    Date of Patent: December 10, 1991
    Assignee: BASF Corporation
    Inventors: John J. Conville, James T. Lyon, David E. Turcotte, Stanley T. Hirozawa, Shrikant V. Desai, Daniel E. Coker
  • Patent number: 5071924
    Abstract: Thermoplastic molding materials contain, as essential components,A) 20-98% by weight of a partly aromatic amide copolymer essentially consisting ofa.sub.1) 40-90% by weight of units derived from terephthalic acid and hexamethylenediamine,a.sub.2) 0-50% by weight of units derived from .epsilon.-caprolactam anda.sub.3) 0-60% by weight of units derived from adipic acid and hexamethylenediamine,components a.sub.2) and/or a.sub.3) accounting altogether for not less than 10% by weight of the total number of units,B) 2-80% by weight of a partly crystalline thermoplastic polyamide which differs from A)and furthermoreC) 0-50% by weight of an elastomeric impact modifier andD) 0-60% by weight of fibrous or particulate fillers or a mixture of these.
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: December 10, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Eckhard M. Koch, Gerhard Heinz, Walter Goetz, Gunter Pipper
  • Patent number: 5071950
    Abstract: Ethylene/.alpha.-olefin copolymers are prepared by catalytic dry-phase copolymerization of the monomers in a stirred or fluidized polymerization zone, transfer of the resulting mixture of solid copolymer and unconverted gaseous monomer into a let-down zone and separation of the mixture, after pressure reduction, into a gaseous phase and a solid phase, by a continuous process in which the solid phase is continuously flushed beforehand with gaseous ethylene and then flushed with a mixture of nitrogen and steam. The ethylene copolymers are very substantially free of residual monomers and odor and flavor substances.
    Type: Grant
    Filed: September 24, 1990
    Date of Patent: December 10, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Borho, Horst Bullack, Alfred F. Hauss, Peter Hennenberger, Klaus Hilligardt, Benno Knauer, Farid Rizk, Heinz Vogt
  • Patent number: 5071703
    Abstract: Foam sheets of high heat distortion resistance contain a) from 80 to 99% by weight of a styrene polymer and b) from 1 to 20% by weight of poly(2,6-dimethyl-1,4-phenylene oxide), and, if desired, conventional additives and are produced by extrusion using a low-boiling blowing agent.
    Type: Grant
    Filed: January 10, 1991
    Date of Patent: December 10, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhold Weber, Gerhard Alicke, Manfred Weilbacher, Uwe Guhr, Klaus Hahn
  • Patent number: 5071445
    Abstract: Novel reaction products of aminoalkylene polycarboxylic acids with secondary amines and their use as additives to middle distillates together with conventional ethylene copolymers as flow improvers and conductivity improves.
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: December 10, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Knut Oppenlaender, Brigitte Wegner, Klaus Barthold, Erich Schwartz, Egon Buettner, Manfred Schramm
  • Patent number: 5071987
    Abstract: Quinoline-4-carboxylic acids derivatives are useful as dye-forming components for pressure- and heat-sensitive recording materials and have of the general formula I ##STR1## where one of R.sup.1, R.sup.2 and R.sup.3 is hydrogen while the other two are each independently of each other hydrogen, fluorine, chlorine, bromine, linear or branched C.sub.1 -C.sub.5 -alkyl, hydroxyl, C.sub.1 -C.sub.10 -alkoxy, which may be interrupted in the alkyl by 1 or 2 oxygen atoms, or is ##STR2## R.sup.7 is hydrogen, methyl or ethyl and R.sup.8 is C.sub.1 -C.sub.4 -alkanoyl, benzoyl, p-chlorobenzoyl, C.sub.1 -C.sub.6 -alkyl, benzyl or p-chlorobenzyl, orR.sup.1 and R.sup.2 together are a fused-on benzene ring,R.sup.2 and R.sup.3 together are unsubstituted or C.sub.1 -C.sub.4 -alkyl-substituted methylenedioxy or ethylenedioxy,R.sup.4 is hydroxyl, C.sub.1 -C.sub.10 -alkoxy, which may be interrupted by 1-4 oxygen atoms, or unsubstituted or chlorine-substituted phenyl-C.sub.1 -C.sub.2 -alkoxy,R.sup.5 is hydroxyl or C.sub.1 -C.sub.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: December 10, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Friedrich-Wilhelm Raulfs, Udo Mayer
  • Patent number: 5071470
    Abstract: [[(1,3,5-Triazin-2-yl)aminocarbonyl]aminosulfonyl]benzoic esters of the general formula I ##STR1## where R.sup.1 and R.sup.2 are methyl or ethyl, and R.sup.3 is hydrogen, fluorine or chlorine, agriculturally useful salts thereof, processes for their manufacture, and their use.
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: December 10, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Mayer, Gerhard Hamprecht, Karl-Otto Westphalen, Bruno Wuerzer