Patents Assigned to BASF Aktiengesellschaft
  • Preparation of phenoxy-substituted esters and intermediates therefor
    Patent number: 4870205
    Abstract: Compounds of the formula I ##STR1## where A is C.sub.1 -C.sub.4 -alkyl, phenyl or C.sub.7 -C.sub.12 -aralkyl and l is 0 or 1, R.sup.2 is C.sub.1 -C.sub.4 -alkyl, n is 0, 1, 2 or 3, m is 1, 2 or 3 and Y is hydrogen, fluorine, chlorine, bromine, C.sub.1 -C.sub.3 -alkyl, C.sub.1 -C.sub.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: September 26, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Guenter Schulz, Hubert Sauter
  • Films of electrically conductive polymers
    Patent number: 4869949
    Abstract: A film of an electrically conductive polymer consists of(A) a layer I which is treated on one side with an aqueous acid and contains incorporated counterions and whose thickness is 1-60% of the total thickness of the film, and(B) an electrochemically reversible oxidizable layer II whose thickness is 40-99% of the total thickness of the film.
    Type: Grant
    Filed: February 13, 1987
    Date of Patent: September 26, 1989
    Assignee: BASF Aktiengesellschaft
    Inventor: Helmut Muenstedt
  • Process for producing highly conductive polyacetylene film
    Patent number: 4870147
    Abstract: A highly conductive polyacetylene film is obtained by orienting a catalyst-containing polyacetylene film or an essentially catalyst-free polyacetylene film which has been swelled in a solvent after the catalyst has been washed out, the polyacetylene being essentially free of sp.sup.3 -hybridized carbon atoms.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: September 26, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Herbert Naarmann, Nicolas Theophilou
  • Preparation of N-phenyl(pyridyl) sulfonyldiamides
    Patent number: 4868308
    Abstract: A process for the preparation of N-phenyl(pyridyl)sulfonyldiamides by reacting a 2-aminobenzoic acid (nicotinic acid) derivative with sulfur trioxide, chlorosulfonic acid or an adduct of sulfur trioxide with a tertiary amine in the presence of a diluent and of a tertiary amine, and reacting the resulting sulfamate with a primary amine and a phosphorus halide, or by reacting a 2-aminobenzoic acid (nicotinic acid) derivatives with an N-alkyl(cycloalkyl)sulfamic acid or a salt of this acid in the presence of a diluent and of a phosphorus halide.
    Type: Grant
    Filed: November 6, 1987
    Date of Patent: September 19, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Merkle, Albrecht Mueller, Gerhard Hamprecht, Gernot Reissenweber
  • Cyclohexenone derivatives, preparation thereof and use thereof as herbicidal and plant growth regulator agents
    Patent number: 4867784
    Abstract: Cyclohexenone derivatives of the formula ##STR1## where R.sup.1, R.sup.2, A, m, n, x and y have the meanings given in the disclosure, a process for their manufacture, herbicidal and plant growth-regulating agents containing the novel active ingredients, and processes for combating unwanted plant growth and for regulating plant growth.
    Type: Grant
    Filed: January 14, 1987
    Date of Patent: September 19, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Keil, Wolfgang Spiegler, Dieter Jahn, Dieter Kolassa, Ulrich Schirmer, Bruno Wuerzer, Norbert Meyer, Wilhelm Rademacher, Johann Jung
  • Plateletlike pigments based on iron oxide
    Patent number: 4867795
    Abstract: Plateletlike pigments based on iron oxide and having a spinel structure of the composition:Mn.sub.u Al.sub.v Fe.sub.[3-(u+v)]-z O.sub.4-z,whereu is from 0.01-0.09,v is from 0-0.3 andz is from 0-1.The pigments can be used for producing decorative coatings, in particular in paints, plastics, prints and cosmetics, for producing electromagnetic screens, as substrates for coatings and as pigments having magnetic properties.
    Type: Grant
    Filed: March 8, 1988
    Date of Patent: September 19, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Werner Ostertag, Norbert Mronga
  • Structure-free application of dispersions to flexible base materials
    Patent number: 4868017
    Abstract: Dispersions consisting essentially of finely divided materials homogeneously distributed in solutions of organic polymers are applied structure-free to flexible base materials in tape form by means of a knife coater.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: September 19, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Fritz Hammon, Uwe Heim, Eduard Kaemmer, Hans-Peter Reuther
  • Mineral and textile webs bonded with a cured resin mixture
    Patent number: 4868227
    Abstract: Webs composed of inorganic or organic fiber material are bonded with a cured resin mixture consisting essentially of(A) from 5 to 80% by weight of a water-soluble condensation product of carbonyl number 0-200 which has been prepared by alkaline condensation from 0.1 to 0.4 mole of an aliphatic or cycloaliphatic condensable ketone and 1 mole of formaldehyde, and(B) from 20 to 95% by weight of a water-soluble amino and/or phenolic resin.
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: September 19, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Fritz E. Kempter, Franz Matejcek, Werner Neubach, Gerd Busse
  • Thermoplastic molding materials
    Patent number: 4868235
    Abstract: A thermoplastic material containing, based in each case on the molding material comprising A and B,A from 30 to 80% be weight of one or more polycarbonates andB from 70 to 20% by weight of a blend of two different components B.sub.1 and B.sub.2, each of which consists of one or more graft copolymers b.sub.11 and b.sub.21 and each of which consists of one or more copolymers (hard matrix) b.sub.12 and b.sub.22, respectively, the graft copolymer b.sub.11 being prepared in emulsion and the graft copolymer b.sub.21 being prepared by another method.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: September 19, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Muehlbach, Michael Portugall, Karl Ruppmich, Erhard Seiler, Hermann Brandt
  • Highly heat-resistant polyaryl ether ketones
    Patent number: 4867912
    Abstract: Highly heat-resistant polyaryl ether ketones are composed of(A) from 50 to 100 mol % of repeat units of the general formula I ##STR1## or a ring-substituted C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, aryl, chlorine or fluorine derivative thereof and(B) from 0 to 50 mol % of repeat units, different from I, of the general formulae II and/or III ##STR2## or a ring-substituted C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, aryl, chlorine or fluorine derivative thereof, where Q, Q', Y, Y', T, T', Z and Z' are each --O--, --CO-- or a chemical bond, one or more of these substituents is a --CO-- group, and s, t and u are each 0 or 1.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: September 19, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Heinz, Juergen Koch, Manfred Eggersdorfer, Jochem Henkelmann, Helmut Muenstedt, Peter Ittemann
  • Pharmaceutical composition comprising an organic zinc complex and a process for preparing the active substance
    Patent number: 4868172
    Abstract: The invention refers to a novel pharmaceutical composition having especially antimycotic activity and comprising the zinc complex of 5-chloro-7-iodo-8-hydroxyquinoline of formula (I) ##STR1## and one or more pharmaceutically acceptable carriers. The pharmaceutical composition of the invention can be used for the effective treatment of mycotic infections on the skin surface, mucous membranes or nails.The complex of formula (I) is prepared by reacting a solution of an alkali metal salt of 5-chloro-7-iodo-8-hydroxyquinoline with a solution containing an excess of an inorganic or organic zinc salt or a zinc complex having a lower stability constant than that of the complex of formula (I) and separating the product precipitated.
    Type: Grant
    Filed: April 15, 1987
    Date of Patent: September 19, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Gyula Sebestyen, Istvan Simonyi, Gizella Miholics, Marta Kovacs, Frigyes Gorgenyi, Marton Fekete, Pal Vago, Istvan Seres, Egri Janos, Maria Szeli
  • Photopolymerizable recording material, in particular for the production of printing plates and relief plates
    Patent number: 4868091
    Abstract: Novel photopolymerizable recording materials, in particular for the production of printing plates and relief plates, can be developed with water or an aqueous alkaline solution and predominantly consist of a photoinitiator-containing mixture of (a) one or more low molecular weight compounds having one or more photopolymerizable olefinically unsaturated double bonds and (b) one or more organic polymeric binders and contain a bisacylphosphine oxide as the photoinitiator.These recording materials are useful for the production of printing plates and relief plates.
    Type: Grant
    Filed: October 1, 1987
    Date of Patent: September 19, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Boettcher, Bernd Bronstert, Gerhard Hoffmann
  • Process for preparing a web with an abrasion resistant resilient backing
    Patent number: 4865688
    Abstract: Carpet, or carpet tile having a tough resilient backing may be prepared by incorporating a fleece (6) into a foam backing on a carpet. The foam (5) is applied to the back of a carpet and the fleece (6) is overlaid and the foam and fleece are crushed together and gelled preferably using a drum laminator (10) then dried in a conventional oven (13). The resulting carpet may be cut into carpet tiles. The carpet or tile has lay flat properties and good abrasion resistance.
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: September 12, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Jimmy D. Cross, Landon Smith
  • 4-substituted 10-cyanomethylenepyrrolo[4,3-e]-benzazepines
    Patent number: 4866057
    Abstract: Compounds of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4 and A have the meanings stated in the specification, as well as the use thereof for controlling diseases, are described.
    Type: Grant
    Filed: May 20, 1988
    Date of Patent: September 12, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerd Steiner, Juergen Pfister, Hans-Juergen Teschendorf, Liliane Unger, Rudolf Binder
  • Impact resistant thermoplastic molding materials
    Patent number: 4866129
    Abstract: Impact resistant thermoplastic molding materials containing a styrene polymer modified with rubber to be impact resistant, a hydrogenated styrene containing block copolymer and a polyphenylene ether as well as optional additives in which 50 to 98 percent by weight of the particles of the flexible component of the impact resistant styrene polymer have an average particle diameter of equal to or less than 1.0 micron and 2 to 50 percent by weight of the particles of the flexible have an average particle diameter of equal to or greater than 2 microns.
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: September 12, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Brandstetter, Adolf Echte, Franz Haaf, Herbert Naarmann
  • Solid mixture of nucleated and nonnucleated polyamides
    Patent number: 4866115
    Abstract: A solid mixture contains as essential components(A) from 40 to 99% by weight, based on the total weight of (A) and (B), of a nonnucleating thermoplastic polyamide and(B) from 1 to 60% by weight, based on the total weight of (A) and (B), of a thermoplastic polyamide which contains a nucleating agent, and in addition(C) from 0 to 60% by weight, based on the total weight of (A)+(B)+(C), of fibrous or particulate fillers.
    Type: Grant
    Filed: August 5, 1988
    Date of Patent: September 12, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Walter Betz, Eckhard M. Koch, Christoph Plachetta, Gerd Blinne, Karl Hahn
  • Preparation of ketones
    Patent number: 4866210
    Abstract: Ketones of the formula ##STR1## where R.sup.1 to R.sup.3 are each hydrogen and R.sup.1 to R.sup.4 are each alkyl of 1 to 12 carbon atoms, cycloalkyl of 4 to 8 carbon atoms, aryl, aralkyl or alkylaryl, which each in turn may be substituted, or R.sup.1 and R.sup.2 and R.sup.3 together with the carbon atoms to which they are bonded form a cycloalkane, are prepared by reacting ketones of the formula ##STR2## where one of R.sup.1, R.sup.2, R.sup.3 and R.sup.5 is hydroxyl, alkoxy or carboxyl while the remaining R.sup.1 to R.sup.4 have the abovementioned meanings, with hydrogen in the presence of acid catalysts supporting one or more hydrogenation components, zeolites of the pentasil type being particularly suitable.
    Type: Grant
    Filed: January 15, 1988
    Date of Patent: September 12, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Hoelderich, Leopold Hupfer, Kurt Schneider
  • Self-extinguishing, thermoplastic polyphenylene ether/polyamide molding materials and their use for the production of moldings
    Patent number: 4866114
    Abstract: Self-extinguishing, thermoplastic polyphenylene ether/polyamide molding materials contain, as essential components,(A) from 10 to 90% by weight of component (A), which consists of(A.sub.1) from 70 to 99% by weight of a modified polyphenylene ether,(A.sub.2) from 1 to 30% by weight of a compound containing bound phosphorus, the percentages by weight being based on the total weight of component (A), and(B) from 90 to 10% by weight of component (B), which consists of(B.sub.1) from 80 to 99% by weight of one or more polyamides and(B.sub.2) from 1 to 20% by weight of one or more compounds containing a bound triazine radical and from the group consisting of cyanuric acid and its derivatives.
    Type: Grant
    Filed: September 28, 1988
    Date of Patent: September 12, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Christof Taubitz, Hermann Gausepohl, Klaus Boehlke
  • Polymers which form liquid-crystalline phases
    Patent number: 4865762
    Abstract: Polymers contain, as mesogenic groups, groups which produce a discotic phase, and furthermore can contain pleochroic dyes.The novel polymers possess novel properties, and combinations of properties, which the conventional polymers which form liquid-crystalline phases do not possess.The polymers can be used in electro-optical displays, in storage elements, as electrically or photo-electrically conductive polymers and as strain sensors.
    Type: Grant
    Filed: May 12, 1987
    Date of Patent: September 12, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Willi Kreuder, Peter Neumann, Karl-Heinz Etzbach, Hans-Josef Sterzel, Helmut Ringsdorf
  • Preparation of hexaarylbisimidazoles
    Patent number: 4866183
    Abstract: Hexaarylbisimidazoles I ##STR1## where Ar.sup.1, Ar.sup.2 and Ar.sup.3 are each aryl, of which Ar.sup.2 and Ar.sup.3 can be linked to form an anellated ring system, are prepared by oxidizing the corresponding triarylimidazoles II in an aqueous/organic two-phase system in the presence of active amounts of an onium salt III.
    Type: Grant
    Filed: June 9, 1987
    Date of Patent: September 12, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Uwe Kempe, Toni Dockner, Helmut Karn, Thomas Bluemel, Reinhold J. Leyrer, Thomas Loerzer