Patents Assigned to BASF
  • Aqueous liquids containing metal cavitation-erosion corrosion inhibitors
    Patent number: 4548787
    Abstract: Compositions for inhibiting mineral scale and the corrosion of metals particularly the cavitation corrosion of aluminum in the presence of aqueous liquids are disclosed. The combination of a water-soluble phosphate with at least one of a water-soluble molybdate, tungstate, or selenate is disclosed as providing a synergistic protective effect against the cavitation corrosion of aluminum in aqueous liquids.
    Type: Grant
    Filed: February 9, 1983
    Date of Patent: October 22, 1985
    Assignee: BASF Wyandotte Corporation
    Inventors: Joe C. Wilson, Stanley T. Hirozawa, John J. Conville
  • Sedative compositions containing 10-piperazino-5-cyanomethylene-dibenzo[a,d]-cycloheptenes
    Patent number: 4548933
    Abstract: 10-Substituted 5-cyanomethylene-dibenzo[a,d]-cycloheptenes, their pure cis- and trans-isomers, their N-oxides and their pharmaceutically tolerated addition salts with acids, processes for their preparation, therapeutic agents containing these compounds and their use as drugs, especially as sedatives, hypnotics or tranquilizers.
    Type: Grant
    Filed: December 13, 1983
    Date of Patent: October 22, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerd Steiner, Hans P. Hofmann, Horst Kreiskott, Hans-Juergen Teschendorf, Dieter Lenke
  • Photosensitive recording materials for the production of abrasion-resistant and scratch-resistant gravure printing plates comprising particles
    Patent number: 4548894
    Abstract: Gravure printing plates which are highly abrasion-resistant and scratch-resistant can be produced rapidly and simply from a photosensitive recording material by exposing the latter through a photographic positive, washing out the unexposed areas and drying the resulting gravure printing plate, if the photosensitive recording material employed, which comprises a photopolymerizable and/or photocrosslinkable layer (L) applied to a dimensionally stable base, contains finely divided, hard, abrasive particles in the layer (L), the surface of this layer, which subsequently constitutes the surface of the printing plate, has a peak-to-valley height of <2 .mu.m, and the materials of this layer are chosen so that, after exposure and development, it has a Vickers hardness of not less than 10 N/mm.sup.2, measured under load.
    Type: Grant
    Filed: October 2, 1984
    Date of Patent: October 22, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: John Lynch, Albert Elzer
  • Water-dispersible binders for cationic electrocoating finishes, and process for their preparation
    Patent number: 4548965
    Abstract: The invention relates to water-dispersible binders for cationic electrocoating finishes, which are obtained by reaction of(A) epoxy resins containing low molecular weight aromatic groups and having an epoxide equivalent weight of less than 375 with(B) aliphatic and/or alicyclic polyfunctional alcohols or carboxylic acids having a number average molecular weight of less than 350, further reaction of the product of (A) and (B) with(C) a polyfunctional alcohol having a molecular weight of more than 350, addition at the epoxide groups taking place so that the reaction products of (A) and (B) contain an amount of aromatic groups of from 10 to 45% by weight, calculated as phenylene groups, and further modification of the resulting intermediate with(D) primary and/or secondary amines or ammonium salts in order to achieve the required water-dispersibility.
    Type: Grant
    Filed: August 31, 1984
    Date of Patent: October 22, 1985
    Assignee: BASF Farben & Fasern AG
    Inventors: Michael Geist, Horst Diefenbach, Arnold Dobbelstein
  • Self-crosslinking heat-curable binder
    Patent number: 4547409
    Abstract: The invention relates to a self-crosslinking heat-curable binder, in particular for electropaints, which is based on an organic synthetic resin which contains primary and/or secondary and, if desired, also tertiary amino groups and esterified carboxyl groups and is water-dilutable due to partial or complete neutralization with acids. The esterified carboxyl groups are activated in the alcohol component by a substituent which induces a negative inductive effect.
    Type: Grant
    Filed: October 2, 1984
    Date of Patent: October 15, 1985
    Assignee: BASF Farben & Fasenn A.G.
    Inventors: Michael Geist, Horst Diefenbach
  • Photosensitive multi-layer material and preparation of adhesive layers employed therein
    Patent number: 4547454
    Abstract: A photosensitive multi-layer material comprising a base, which may or may not be provided with an adhesion-promoting layer, and a photopolymerizable layer, consisting of a mixture of a photoinitiator, a binder and a photopolymerizable monomer, possesses, between the base and the photopolymerizable layer, an adhesive layer of a hardened mixture of a binder and an etherified melamine-formaldehyde condensate, hardenable at 60.degree.-120.degree. C.
    Type: Grant
    Filed: November 14, 1984
    Date of Patent: October 15, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hoffmann, Bernd Bronstert, Herbert Hahn, Mong-Jon Jun
  • Electrochemical polymerization of pyrroles, an anode for carrying this out, and products obtained by this procedure
    Patent number: 4547270
    Abstract: Pyrroles or mixtures of pyrroles with comonomers are polymerized electrochemically by anodic oxidation of the monomers in solution or dispersion in an electrolyte solvent, in the presence of a conductive salt, with deposition of the pyrrole polymer at the sheet-like anode, by a process in which the anode used consists of an electrically non-conductive sheet-like element which can be impregnated with the electrolyte solution and one or more electrically conducting support and contact strips which connects electrically to a current supply for the anode.The special anode for the electrochemical polymerization of pyrroles, and the products obtainable by the process.
    Type: Grant
    Filed: July 23, 1984
    Date of Patent: October 15, 1985
    Assignee: BASF Aktiengesellschaft
    Inventor: Herbert Naarmann
  • Aqueous wood preservative
    Patent number: 4547366
    Abstract: A wood preservative which consists of an aqueous solution containing both an alkyd resin and a fungicidal or insecticidal active ingredient, namely 2,5-dimethylfuran-3-carboxylic acid N-methoxy-N-cyclohexylamide, tributyl-tin benzoate, tributyl-tin naphthenate, gamma-hexachlorocyclohexane, pentachlorophenol laurate, 2-methoxycarbonylamino-benzimidazole or a mixture of these active ingredients.
    Type: Grant
    Filed: June 29, 1984
    Date of Patent: October 15, 1985
    Assignee: BASF Aktiengesellschaft
    Inventor: Hans-Norbert Marx
  • Copper, cobalt, nickel and iron complexes of disazo dyes
    Patent number: 4547566
    Abstract: Compounds which in the form of the free acid are of the general formula I ##STR1## where A is a radical of the formula ##STR2## the radicals Y independently of one another are each hydroxyl or amino, X is hydrogen, hydroxysulfonyl or a radical of the formulaD--N.dbd.N--,R is a radical of 1-aminonaphthalene-4-, -5-, -6-, -7- or -8-monosulfonic acid or of 1-aminonaphthalene-3,6-, -3,7-, -3,8-, -4,7-, or -4,8-disulfonic acid, or a Cu, Fe, Ni, Co, Mn or Cr complex thereof, and D is phenyl which is unsubstituted or substituted by methyl, methoxy, ethoxy, nitro, chlorine, bromine or sulfo, or is sulfo-substituted naphthyl. These compounds are preferably used for dyeing leather.
    Type: Grant
    Filed: March 23, 1983
    Date of Patent: October 15, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Udo Bergmann, Guenter Hansen, Georg Zeidler
  • Water-based functional fluids thickened by the interaction of an associative polyether thickener and certain quaternary ammonium salts
    Patent number: 4547303
    Abstract: The invention relates to a water-based functional fluid thickened by an associative polyether thickener whose thickening ability is enhanced by the addition of certain quaternary ammonium salts.
    Type: Grant
    Filed: November 1, 1984
    Date of Patent: October 15, 1985
    Assignee: BASF Wyandotte Corporation
    Inventors: Charles F. Deck, James E. Carson
  • 5-(Oxo or thio heterocycle) cyclohexane-1,3-dione derivatives and their use for controlling undesirable plant growth
    Patent number: 4545806
    Abstract: Cyclohexane-1,3-dione derivatives of the formula ##STR1## where A is an unsubstituted or substituted, saturated or unsaturated 4-membered to 7-membered heterocyclic structure which contains from 1 to 3 nitrogen atoms and may be fused to an aromatic radical, R.sup.1 is hydrogen, methoxycarbonyl, ethoxycarbonyl, methyl or cyano, R.sup.2 is alkyl and R.sup.3 is alkyl, haloalkenyl or propargyl, and salts of these compounds, are useful for controlling undesirable plant growth.
    Type: Grant
    Filed: March 15, 1984
    Date of Patent: October 8, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Jahn, Rainer Becker, Michael Keil, Wolfgang Spiegler, Bruno Wuerzer
  • Oxyalkylated polyamidoamines and their preparation
    Patent number: 4546151
    Abstract: Oxyalkylated polyamidoamines are obtained by reacting a polyamine with caprolactam and oxyalkylating the product with alkylene oxides, and are used for rapidly dewatering crude oil.
    Type: Grant
    Filed: January 6, 1984
    Date of Patent: October 8, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Richard Baur, Knut Oppenlander, Rainer Strickler, Klaus Barthold
  • Process for bonding lignocellulose-containing raw materials with a prepolymer based on a urethane-modified diphenylmethane diisocyanate mixture
    Patent number: 4546039
    Abstract: A process for bonding lignocellulose raw materials using an isocyanate group-containing urethane-modified diphenylmethane diisocyanate mixture having a viscosity of 120 to 1000 mPas at 25.degree. C. and an isocyanate content of 15 to 33.6 percent by weight which is obtained by reacting a diphenylmethane diisocyanate mixture containing 10 to 75 percent by weight of 2,4'-diphenylmethane diisocyanate with 0.05 to 0.5 hydroxyl equivalents of a polyol per equivalent isocyanate group.
    Type: Grant
    Filed: April 27, 1983
    Date of Patent: October 8, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Heinrich Horacek, Otto Wittmann, Matthias Marx, Johann Mayer
  • Vitamin E intermediates and methods for the preparation of (2R,4'RS,8'RS)-.alpha.-tocopherol and (all-rac)-.alpha.-tocopherol via the new intermediate products
    Patent number: 4544758
    Abstract: The invention relates to intermediate compounds having the general formula I ##STR1## in which R.sup.1 is H, an alkyl, arylalkyl or an aliphatic acyl radical, preferably a benzyl or acetyl group and wherein X and Y together span an additional bond between the X and Y carrying C atoms (Ia) or in which Y is OH and X is H (Ib) and in which the dotted line can represent an additional bond particularly [2R,1'Z,3'E,7'E]-6-benzyloxy-2,5,7,8-tetramethyl-2-(4',8',12'-trimethyl-tr ideca-1',3',7'-trien-1'-yl)chroman and 6-benzyloxy-2,5,7,8-tetramethyl-2-(1'-hydroxy-4',8',12'-trimethyl-trideca- 3',7'-diene-1'-yl)chroman, as well as compounds and methods of preparing compounds having the general formula II ##STR2## in which Z is one of the groups ##STR3## wherein R.sup.2 is an alkyl group with 1 to 4 carbon atoms preferably CH.sub.3 or C.sub.2 H.sub.
    Type: Grant
    Filed: June 28, 1983
    Date of Patent: October 1, 1985
    Assignee: Basf Aktiengesellschaft
    Inventors: Friedrich Vogel, Joachim Paust, Axel Nuerrenbach
  • 6-Aryl-4,5-dihydro-3(2H)-pyridazinones, and their use as anti-hypertensive and anti-thrombocyte agents
    Patent number: 4544562
    Abstract: 6-Aryl-4,5-dihydro-3(2H)-pyridazinones of the formula ##STR1## where R is hydrogen, R.sup.1 is hydrogen or C.sub.1 -C.sub.3 -alkyl, or R and R.sup.1 together are methylene, R.sup.2 and R.sup.3 are identical or different and are each hydrogen or C.sub.1 -C.sub.6 -alkyl, and A is hydroxyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.2 -C.sub.7 -acyloxy, a C.sub.2 -C.sub.7 -carbamic acid ester group, C.sub.1 -C.sub.6 -alkylsulfonyloxy, C.sub.1 -C.sub.6 -alkylmercapto, carboxyl, C.sub.2 -C.sub.7 -alkoxycarbonyl or nitrile, and their preparation are described. The substances are suitable for treating disorders.
    Type: Grant
    Filed: March 11, 1983
    Date of Patent: October 1, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Phillip A. Rossy, Marco Thyes, Albrecht Franke, Horst Koenig, Josef Gries, Hans D. Lehmann, Dieter Lenke
  • Cleavage of phthalimides to amines
    Patent number: 4544755
    Abstract: Phthalimides of the formula I ##STR1## where R is a substituent and the ring A can be further substituted, are cleaved by a process in which a compound of the formula I is treated with an alkanolamine.The compounds prepared according to the invention are useful intermediates for the preparation of dyes, drugs and plastics.
    Type: Grant
    Filed: May 23, 1984
    Date of Patent: October 1, 1985
    Assignee: Basf Aktiengesellschaft
    Inventors: Helmut Hagen, Rolf-Dieter Kohler
  • High foaming liquid shampoo composition
    Patent number: 4544495
    Abstract: A shampoo composition containing a polyoxybutylene-polyoxyethylene nonionic surfactant has unexpectedly high viscosity and high foam.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: October 1, 1985
    Assignee: BASF Wyandotte Corporation
    Inventor: Irving R. Schmolka
  • Heat-curable surface-coating agents, and their use
    Patent number: 4544687
    Abstract: Heat-curable surface-coating agents which, for example in their protonated form, can be used in cathodic electrocoating contain, as a binder, a mixture of (A) a polyadduct, polycondensate or other polymer which has an average molecular weight M.sub.n of from 500 to 10,000 and, per molecule, on average two or more OH and/or NH groups and (B) a reaction product of a polyisocyanate and an olefinically unsaturated amine which carries a secondary amino group and a methacrylamide or methacrylate group.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: October 1, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Eberhard Schupp, Werner Loch, Rolf Osterloh, Klaas Ahlers
  • Grinding, lapping, and polishing compounds
    Patent number: 4544377
    Abstract: Grinding, lapping, and polishing compounds containing an abrasive material, a thickener, and a water-soluble alkylene oxide polymer. In addition to good applications-related characteristics, said compounds have the advantage of permitting the workpieces to be cleaned with water.
    Type: Grant
    Filed: March 30, 1984
    Date of Patent: October 1, 1985
    Assignee: BASF Aktiengesellschaft
    Inventor: Roland Schwen
  • Reactive pyrazole group containing monoazo dye
    Patent number: 4544738
    Abstract: A dye of the formula ##STR1## wherein R.sup.1 is is fluorine, chlorine, bromine, methyl, ethyl, cyano, carboxyl, nitro, tribfluoromethyl, methylsulfonyl, phenylsulfonyl, acetyl, C.sub.1 -C.sub.4 alkoxy, phenoxy, chlorophenoxy or benzoyl; R.sup.2 is hydrogen, chlorine, bromine, methyl, ethyl, C.sub.1 -C.sub.4 alkoxy, benzthiazol-2-yl, 6-methylbenzthiazol-2-yl, acetylamino, carboxyl aminosulfonyl, or aminocarbonyl; R.sup.3 is hydrogen chlorine, bromine or methyl; R.sup.5 is hydrogen, methyl, methoxy or ethoxy; and X is fluorohydroxyphosphonyl or dihydroxyphosphonyl. The dye of the present invention is useful in the dyeing of cellulose-containing material, polyamides and leather. The high tinctorial strength of the dyes and the very good lightfastness and wetfastness properties of the dyeings are particularly noteworthy.
    Type: Grant
    Filed: September 24, 1980
    Date of Patent: October 1, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Baumann, Hermann Kaack