Patents Assigned to BASF
  • Ethoxylated fatty acid amide textile softeners
    Patent number: 5080811
    Abstract: Reaction products of compounds of the formula IRCONHC.sub.2 H.sub.4 OH Iwhere R is C.sub.12 -C.sub.20 -alkyl or -alkenyl, with 14 to 18 mol of ethylene oxide per mole of I, are useful as textile softeners.
    Type: Grant
    Filed: August 31, 1990
    Date of Patent: January 14, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Ralf Brueckmann, Toni Simenc
  • Derivatives of 1-hydroxy-1,2,4-triazole and fungicides and growth regulators containing them
    Patent number: 5081142
    Abstract: Compounds of the formula I ##STR1## where Ar is unsubstituted or substituted phenyl, pyridyl, thienyl or napthyl,R.sup.1 is hydrogen or CN,R.sup.2 is unsubstituted or substituted aryl, hetaryl, alkyl or cycloalkyl, or is unsubstituted or substituted alkenyl or alkynyl,x is CH.sub.2, O or S andn is 0 or 1,their plant-tolerated acid addition salts and metal complexes, and fungicides and growth regulators containing these compounds.
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: January 14, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Hubert Sauter, Thomas Zierke, Wolfgang Reuther, Ulf Baus, Gisela Lorenz, Eberhard Ammermann
  • 2-Anilinocyanopyridines having fungicidal properties
    Patent number: 5081133
    Abstract: 2-Anilinocyanopyridines of the formula ##STR1## where X is NO.sub.2, CN, halogen, SO.sub.2 -alkyl, alkyl, cycloalkyl, haloalkyl, alkoxy, or phenoxy or phenylthio which is unsubstituted or substituted in the phenyl,m is an integer from 1 to 3,R.sup.1 is hydrogen, halogen, alkoxy, haloalkyl, haloalkoxy, or phenoxy or phenylthio which is unsubstituted or substituted in the phenyl,R.sup.2 and R.sup.3 are hydrogen, NO.sub.2, halogen, CN, alkyl, SO.sub.2 -alkyl, haloalkyl, SO.sub.2 NR.sup.5 R.sup.6, haloalkoxy, COOR.sup.5 or CONR.sup.5 R.sup.6,R.sup.4 is hydrogen, COOR.sup.7, CONR.sup.5 R.sup.6, CHO, COR.sup.7, SO.sub.2 R.sup.7, C.sub.3 -C.sub.6 -alkenyl or C.sub.3 -C.sub.6 -alkynyl,and salts of these 2-anilinocyanopyridines of the formula I in which R.sup.4 is hydrogen with plant-tolerated cations, and fungicides containing these compounds.
    Type: Grant
    Filed: January 25, 1990
    Date of Patent: January 14, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Juergen Schubert, Jochen Wild, Albrecht Harreus, Thomas Kuekenhoehner, Hubert Sauter, Eberhard Ammermann, Gisela Lorenz
  • Preparation of hydroxyanthraquinones
    Patent number: 5081270
    Abstract: 1-Hydroxyanthraquinones are prepared in an improved process by reacting phthalic anhydride or derivatives thereof with phenol derivatives in the presence of a Lewis acid as catalyst and in the presence or absence of a diluent, wherein the improvement comprises conducting the reaction in a self-cleaning apparatus having a mixing effect, at a temperature of from 120.degree. C. to 300.degree. C. for from 5 to 1,000 seconds, the self-cleaning apparatus having a mixing effect subjecting the reactants to a shear gradient of from 50 to 20,000 sec.sup.-1 with an energy input of from 0.01 to 0.2 kwh/kg of reactants.
    Type: Grant
    Filed: October 19, 1990
    Date of Patent: January 14, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Juergen Pfister, Michael Schiessl, Rainer Nachtrab
  • Preparation of 2-alkylcyclopentanones
    Patent number: 5081309
    Abstract: Cyclopentanones monoalkylated in the 2-position and of the general formula I ##STR1## where R.sup.1 is a branched or straight-chain aliphatic group of 2 to 12 carbon atoms and R.sup.2 to R.sup.7 may be identical or different and are each hydrogen or alkyl of 1 to 5 carbon atoms, are prepared by a process in which a cyclopentanone of the general formula II ##STR2## or a corresponding cyclopentenone, is reacted with an aldehyde of the general formula III ##STR3## at from 80.degree. to 280.degree. C. in the presence of hydrogen in an autoclave, over a catalyst which contains, as active components, on the one hand an oxide or a phosphate of magnesium, aluminum, titanium or zinc or of one of the rare earth metals, and on the other hand a noble metal of group VIII of the periodic table, preferably palladium.
    Type: Grant
    Filed: June 22, 1987
    Date of Patent: January 14, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Walter Gramlich, Wolfgang Lengsfeld
  • Preparation of polyaryleneetherketones
    Patent number: 5081215
    Abstract: Polyaryleneetherketones are prepared by a quasicontinuous process, by Friedel-Crafts polycondensation of a reaction mixture containingA. a monomer system of(a)(1) an aromatic dicarboxylic acid chloride or phosgene and(2) a polynuclear aromatic having two exchangeable hydrogen atoms and/or(b) a polynuclear aromatic carboxylic acid chloride having one exchangeable hydrogen atom,B. a Lewis acid,C. if necessary, a Lewis base andD. an inert solvent.The reaction mixture is subjected to polycondensation in a first zone, with stirring, to a viscosity of not more than 2,000 mPa.s, then conveyed through a second, vertical, unstirred zone with plug flow by means of gas pressure, where the polycondensation is completed, and is finally discharged continuously.
    Type: Grant
    Filed: August 15, 1989
    Date of Patent: January 14, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Juergen Koch, Wolfgang Stegmaier, Gerhard Heinz
  • Preparation of polyaryl ether ketones by electrophilic polycondensation
    Patent number: 5081216
    Abstract: The addition of compounds which convert carboxylic acids into their halides in the course of electrophilic polycondensation for preparing polyaryl ether ketones improves the controllability and reproducibility of the process and the properties of the products.
    Type: Grant
    Filed: February 1, 1990
    Date of Patent: January 14, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Juergen Koch, Gerhard Heinz
  • Separation of 1-methoxy-2-propanol and water
    Patent number: 5080794
    Abstract: A batchwise or continuous process for separating water from a mixture of water and 1-methoxy-2-propanol by passing a heated mixture in liquid or gaseous form over a hydrophilic membrane which is selective to the passage of water.
    Type: Grant
    Filed: October 19, 1990
    Date of Patent: January 14, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Joseph Krug, Gernot Reissenweber, Knut Koob
  • Partly aromatic copolyamide of reduced triamine content
    Patent number: 5081222
    Abstract: Partly aromatic copolyamides contain as essential componentsA) 40-90% by weight of units derived from terephthalic acid and hexamethylenediamine,B) 0-50% by weight of units derived from .epsilon.-caprolactam andC) 0-60% by weight of units derived from adipic acid and hexamethylenediamine,the components B) and/or C) accounting for a total of not less than 10% by weight of the total units and the copolyamide having a triamine content of less than 0.5% by weight.
    Type: Grant
    Filed: July 25, 1989
    Date of Patent: January 14, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Reimann, Gunter Pipper, Hans-Peter Weiss, Christoph Plachetta, Eckhard M. Koch
  • Novel N-aryltetrahydrophthalimide compounds
    Patent number: 5080710
    Abstract: N-aryltetrahydrophthalimide compounds of the general formula I ##STR1## where n, R.sup.1, Y, R.sup.2 and R.sup.3 have the meanings stated in the claims and description, and a method for controlling undesirable plant growth.
    Type: Grant
    Filed: January 5, 1990
    Date of Patent: January 14, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Lothar Rueb, Karl Eicken, Peter Plath, Barbara Schwalge, Karl-Otto Westphalen, Bruno Wuerzer, Norbert Meyer
  • Triazolopyridine dyes and thermal transfer of methine dyes
    Patent number: 5079365
    Abstract: Triazolopyridine dyes useful for thermal transfer of methine dyes have the formula ##STR1## where R.sup.1 is C.sub.1 -C.sub.20 -alkyl, which may be substituted and interrupted by one or more oxygen atoms, or is substituted or unsubstituted phenyl or hydroxyl,R.sup.2 is a 5- or 6-membered carbocyclic or heterocyclic ring which may be substituted and benzofused,R.sup.3 is cyano, carbamoyl, carboxyl or C.sub.1 -C.sub.4 -alkoxycarbonyl,R.sup.4 is oxygen or a radical of the formula ##STR2## where L.sup.1 is in each case C.sub.1 -C.sub.6 -alkyl which may be interrupted by 1 or 2 oxygen atoms, andX is CH or nitrogen.
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: January 7, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Rudiger Sens, Ernst Schefczik, Karl-Heinz Etzbach, Gunther Lamm, Helmut Reichelt, Matthias Wiesenfeldt
  • Preparation of 3-hydrocarbyl substituted pyridines
    Patent number: 5079367
    Abstract: Substituted pyridines of the formula ##STR1## where R.sup.1 is alkyl of 1 to 20 carbon atoms, cycloalkyl, aryl or aralkyl, are prepared by reacting a mixture of acrolein and alkanals of the formula ##STR2## with ammonia in the presence of zeolites as catalysts.
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: January 7, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Hoelderich, Norbert Goetz, Gerd Fouquet
  • Preparation of benzaldehyde dialkyl acetals and novel benzaldehyde dialkyl acetals and benzyl esters
    Patent number: 5078838
    Abstract: A process for the preparation of benzaldehyde dialkyl acetals of the general formula ##STR1## where R.sup.1 is alkyl of 1 to 6 carbon atoms, R.sup.2, R.sup.3 and R.sup.4 are hydrogen or halogen, straight-chain, branched or cyclic hydrocarbon radicals or alkoxy, acyloxy, aryloxy or aralkoxy, and n is 1 or 2, in which benzyl derivatives of the general formula ##STR2## where R.sup.2, R.sup.3, R.sup.4 and n have the abovementioned meanings, R.sup.5 is hydrogen or R.sup.6 --CO--, and R.sup.6 is hydrogen or alkyl of 1 to 6 carbon atoms, are anodically oxidized in the presence of an alcohol of the formula R.sup.1 --OH where R.sup.1 has the abovementioned meaning.
    Type: Grant
    Filed: March 26, 1990
    Date of Patent: January 7, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Hermeling, Albrecht Harreus, Jochen Wild, Norbert Goetz
  • Substituted glucosides
    Patent number: 5077039
    Abstract: Substituted glucosides I(Glu.sub.m --R.sup.1)R.sub.n.sup.2 Iwhere Glu is a glucose unit, R.sup.1 is C.sub.8 -C.sub.18 -alkyl held by an acetal bond, R.sup.2 is C.sub.1 -C.sub.4 -alkyl or arylmethyl held by an ether bond, m is a mean value from 1 to 10 and n is a mean value from 0.1 to 2 m.
    Type: Grant
    Filed: September 27, 1989
    Date of Patent: December 31, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Richard Baur, Jochen Houben, Alfred Oftring, Dieter Stoeckigt
  • Products containing verapamil or gallopamil and prazosin
    Patent number: 5077294
    Abstract: Products contain verapamil or gallopamil and prazosin, in each case in depot form, as a combination preparation for simultaneous use in the therapy of high blood pressure.
    Type: Grant
    Filed: April 13, 1990
    Date of Patent: December 31, 1991
    Assignee: BASF Aktiengesellschaft
    Inventor: Christine Tetzner
  • Reduction in the rate of oxidation of sulfite solutions
    Patent number: 5077023
    Abstract: The rates of oxidation of sulfite/bisulfite-containing solutions in gas-liquid scrubbers for removing SO.sub.2 from gases are reduced by adding oxidation inhibitors to the solutions in an amount of from 0.02 to 20 mmol per hour and per square meter of exchange area.
    Type: Grant
    Filed: July 12, 1990
    Date of Patent: December 31, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Leutner, Klaus-Dieter Hoppe, Paul Bever, Matthias Kraume
  • Constant compositioin recycle of nylon 6 polymerization wash water
    Patent number: 5077381
    Abstract: A process for preparing polyamides of substantially constant cyclic dimer concentration from amide monomers includes extracting unreacted amide monomers and oligomers, reducing the oligomer concentration relative to the concentration of total extractants and then returning the extract to the reaction vessel in substantially the same total proportion as extracted.
    Type: Grant
    Filed: June 1, 1990
    Date of Patent: December 31, 1991
    Assignee: BASF Corporation
    Inventor: Jack A. Dellinger
  • Preparation of alpha-formylamino nitriles
    Patent number: 5077427
    Abstract: A process for preparing .alpha.-formylamino nitriles of the formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or unsubstituted or substituted, with substituents which are inert under the reaction conditions, aliphatic or heteroaliphatic radicals with 1 to 10, cycloaliphatic or heterocycloaliphatic radicals with 3 to 6, araliphatic radicals with 7 to 12, heteroaraliphatic radicals with 4 to 12, aromatic radicals with 6 to 10 or heteroaromatic radicals with 3 to 10 carbon atoms, by reacting cyanohydrins of the formula II ##STR2## with the formamide III ##STR3## in the presence of acids, entails adding at least one ammonium salt to the reaction mixture.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: December 31, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Rolf Fikentscher, Michael Kroener
  • Process for the preparation of acrolein
    Patent number: 5077438
    Abstract: A method of isomerizing propargyl alcohol to acrolein, wherein propargyl alcohol is rearranged in the gas phase at a temperature of from 300.degree. to 550.degree. C. and a pressure of from 0.01 to 50 bar and in contact with a heterogeneous catalyst containing alkaline-reacting metal ions, and the use of propargyl alcohol as a depot substance for the liberation of acrolein.
    Type: Grant
    Filed: February 14, 1991
    Date of Patent: December 31, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Werner Steck, Matthias Schwarzmann, Kurt Weinacht, Franz Merger
  • Substituted 2,3-epoxy-5-cyclohexenone derivatives, and fungicides and herbicides containing same
    Patent number: 5076829
    Abstract: 2-substituted 2,3-epoxy-5-cyclohexenone derivatives of the formula I ##STR1## where W is C.dbd.O or CHOR.sup.1, R.sup.1 is hydrogen, alkyl, alkenyl, alkynyl or alkoxycarbonyl, R is a substituted or unsubstituted hydrocarbon chain, or phenyl or phenylalkyl whose phenyl radical is substituted or unsubstituted and whose alkyl radical may be interrupted by O or S and fungicides and herbicides containing these compounds.
    Type: Grant
    Filed: April 20, 1990
    Date of Patent: December 31, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulrich Wriede, John-Bryan Speakman, Rudolf Karl, Ernst-Heinrich Pommer, Eberhard Ammermann, Bruno Wuerzer