Patents Assigned to BASF
  • Patent number: 4604415
    Abstract: Thermoplastic molding materials contain a blend of a polyphenylene ether with a copolymer which consists of monovinyl-aromatic monomers, alkyl acrylates where alkyl is of not more than 8 carbon atoms and, if required, an elastomer component having a glass transition temperature of .ltoreq.0.degree. C.
    Type: Grant
    Filed: December 20, 1984
    Date of Patent: August 5, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Juergen Hambrecht, Karl-Heinz Illers, Adolf Echte, Johann Swoboda
  • Patent number: 4604471
    Abstract: Furan-3-carbohydroxamates of the formula ##STR1## where R.sup.1 is alkyl, unsubstituted or substituted cycloalkyl or unsubstituted or substituted phenyl, R.sup.2 is methyl or ethyl, R.sup.3 and R.sup.4 independently of one another are each hydrogen, bromine, chlorine, unsubstituted or substituted alkyl, or --CH.sub.2 --COOR.sup.5, where R.sup.5 is unsubstituted or substituted alkyl, and Me is divalent nickel or cobalt, stabilize plastics against the action of light, oxygen and heat. The compounds (I) have only slight intrinsic color.
    Type: Grant
    Filed: November 21, 1984
    Date of Patent: August 5, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Neumann, Michael Thomas, Stefan Weiss, Hubert Trauth
  • Patent number: 4603169
    Abstract: A thermoplastic molding material consists of a polycarbonate A and a graft copolymer B, the latter consisting of an elastomer (rubber) (b.sub.1) and a shell (b.sub.2) grafted onto the elastomer.The elastomer (b.sub.1) contains, as copolymerized units, from 35 to 100% by weight of a diene from the group consisting of the conjugated dienes of 4 to 5 carbon atoms, and can contain, as copolymerized units, from 0 to 65% by weight of a monomer from the group consisting of the alkyl acrylates or alkyl methacrylates, where alkyl is of 1 to 8 carbon atoms.The shell (b.sub.2) is obtained in a conventional manner by successive polymerization of the monomers constituting the shell, in two process steps, in the presence of the elastomer (b.sub.
    Type: Grant
    Filed: April 12, 1985
    Date of Patent: July 29, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Konrad Mitulla, Juergen Hambrecht, Adolf Echte, Johann Swoboda, Peter Siebel
  • Patent number: 4603202
    Abstract: Fluorans of the formula (I) ##STR1## where R.sup.1 is hydrogen or methyl, R.sup.2 is hydrogen or unsubstituted or substituted alkyl, R.sup.3 is hydrogen, unsubstituted or substituted alkyl, cycloalkyl or unsubstituted or substituted phenyl, or ##STR2## is a 5-membered or 6-membered saturated heterocyclic radical, R.sup.4 and R.sup.5 independently of one another are each hydrogen, alkyl, alkoxy or halogen, R.sup.6 is hydrogen, halogen, alkyl, alkoxy, phenylalkoxy, phenoxy, phenyl or unsubstituted or substituted amino, or is pyrrolidinyl, piperidinyl or morpholinyl, R.sup.7 is hydrogen, alkyl or halogen, R.sup.8 is C.sub.1 -C.sub.5 -alkyl, and the radicals R.sup.4 and R.sup.5 and/or R.sup.6 and R.sup.7 together may furthermore each be a --CH.dbd.CH--CH.dbd.CH-- bridge, and the fused-on benzo ring may be further substituted, are used for the preparation of pressure-sensitive and heat-sensitive recording materials.
    Type: Grant
    Filed: October 12, 1984
    Date of Patent: July 29, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Udo Mayer, Andreas Oberlinner
  • Patent number: 4602930
    Abstract: Phenylpropylammonium salts of the formula ##STR1## where R.sup.1 denotes for instance alkyl or halogen, R.sup.2 denotes for instance alkyl or alkoxy, R.sup.3 denotes alkyl, alkenyl or alkynyl of up to 6 carbon atoms, R.sup.4 and R.sup.5 denote hydrogen or alkyl of up to 3 carbon atoms, m denotes one of the integers 0, 1, 2 and 3, n denotes one of the integers 0, 1 and 2, o denotes one of the integers 4, 5 and 6, X.sup..theta. denotes an anion, and the dashed bond may be hydrogenated when n is 0 or 1, and is hydrogenated when n is 2; the preparation of these compounds; and agents for regulating plant growth containing these compounds as active ingredients.
    Type: Grant
    Filed: April 25, 1985
    Date of Patent: July 29, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Ernst Buschmann, Bernd Zeeh, Johann Jung, Hubert Sauter
  • Patent number: 4603205
    Abstract: Novel furancarboxylic acid derivatives of the general formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 independently of one another are each hydrogen, C.sub.1 -C.sub.8 -alkyl, cyclohexyl or phenyl, but not more than two of these radicals are simultaneously hydrogen, and R.sup.4 is a radical of the formula --NR.sup.5 R.sup.6, ##STR2## or OR.sup.6, where A is a bridge member, R.sup.5 is hydrogen, C.sub.2 -C.sub.6 -alkenyl, C.sub.5 -C.sub.7 -cycloalkyl or C.sub.1 -C.sub.12 -alkyl which may or may not be interrupted by 1, 2 or 3 oxygen atoms, and R.sup.6 is a radical of the formula ##STR3## where R.sup.7, R.sup.8, R.sup.9 and R.sup.10 are each C.sub.1 -C.sub.4 -alkyl, or R.sup.7 and R.sup.8 or R.sup.9 and R.sup.10 together form a tetramethylene or pentamethylene bridge, and R.sup.11 is hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.3 -C.sub.8 -alkenyl, C.sub.2 -C.sub.4 -hydroxyalkyl or aralkyl, and their salts are useful as light stabilizers for organic polymers, in particular olefin polymers.
    Type: Grant
    Filed: December 13, 1984
    Date of Patent: July 29, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Neumann, Reinhard Helwig, Stefan Weiss, Hubert Trauth
  • Patent number: 4602935
    Abstract: Cyclohexane-1,3-dione derivatives of the formula ##STR1## where R.sup.1 is alkyl, R.sup.2 is alkyl, unsubstituted or halogen-substituted alkenyl or alkynyl, X is a saturated or unsaturated five-membered or six-membered heterocyclic structure which carries one or more substituents, and Z is hydrogen, methoxycarbonyl, ethoxycarbonyl, methyl or cyano, and salts of these compounds are used for controlling undesirable plant growth.
    Type: Grant
    Filed: July 6, 1984
    Date of Patent: July 29, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Becker, Dieter Jahn, Michael Keil, Walter Himmele, Bruno Wuerzer
  • Patent number: 4603224
    Abstract: Ketene O,O-acetals which can be converted in a simple manner to fungicidal ketene O,N-acetals are prepared by an addition reaction of a phenol with a phenoxyalkyne.
    Type: Grant
    Filed: June 11, 1985
    Date of Patent: July 29, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Alfred Ruland, Wolfgang Reuther
  • Patent number: 4602927
    Abstract: 4-Alkylimidazole derivatives of the formula I ##STR1## where R.sup.1 is C.sub.1 -C.sub.4 -alkyl, R.sup.2 is chlorine or bromine and R.sup.3 is an --OR.sup.4 or --NR.sup.5 R.sup.6 group in which R.sup.4 is C.sub.1 -C.sub.4 -alkyl, R.sup.5 is hydrogen or C.sub.1 -C.sub.4 -alkyl and R.sub.6 is C.sub.1 -C.sub.4 -alkyl or is phenyl which is unsubstituted or substituted by 1 or 2 halogen atoms, and its salts, their preparation and their use as nitrification inhibitors.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: July 29, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Ernst-Heinrich Pommer, Juergen Dressel
  • Patent number: 4603143
    Abstract: Vitamin-active powders which are more free-flowing and stable, than conventional fat-soluble vitamin powders are prepared utilizing special silicon-containing materials which are predominately in the form of substantially discrete agglomerates. The agglomerates are such that preferably 50 percent of the total have a minimum length, width, or both of 300 microns.
    Type: Grant
    Filed: September 7, 1984
    Date of Patent: July 29, 1986
    Assignee: BASF Corporation
    Inventor: Douglass N. Schmidt
  • Patent number: 4602960
    Abstract: A novel modified diarylide pigment contains (a) a pigment which is composed of a tetrazotized benzidine, coupled to an acetoacetarylide and/or a 1-phenyl-3-methylpyrazole-5-one, and (b) a water-soluble component obtained from a symmetric or asymmetric coupling product of a tetrazotized 4,4'-diamino-2,2'-stilbenedisulfonic acid and an acetoacetarylide and/or a 1-phenyl-3-methyl-5-pyrazolone. The novel pigments possess very good color strength, very good gloss characteristics and very good transparency, and exhibit improved printing characteristics, particularly in offset printing inks.
    Type: Grant
    Filed: August 16, 1984
    Date of Patent: July 29, 1986
    Assignee: BASF Farben & Fasern Aktiengesellschaft
    Inventors: Egon Liedek, Wolfgang Ruff, Gerhard Berger, Hans W. Sonneborn, Reinhard Kemper
  • Patent number: 4601251
    Abstract: The horizontal orientation of a rocket moving in a liquid is achieved by an arrangement in which a magnet is attached to the rocket body. The axis of the rocket and the magnetic axis of the magnet form an azimuthal angle .alpha., which determines the direction of the rocket relative to the geomagnetic meridian.
    Type: Grant
    Filed: June 24, 1982
    Date of Patent: July 22, 1986
    Assignee: BASF Aktiengesellschaft
    Inventor: Karl Wisseroth
  • Patent number: 4601800
    Abstract: Aqueous solutions of hydroxylammonium carbonate are prepared from aqueous hydroxylammonium salt solutions by electrodialysis by a method in which the aqueous hydroxylammonium salt solution is fed into the middle zone of an electrolysis cell, which is divided into a cathode zone, an anode zone and a middle zone by means of semipermeable membranes, and is electrolyzed, and the catholyte used is an aqueous solution of an ammonium carbonate or an alkali metal carbonate or of one of the corresponding bicarbonates.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: July 22, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz-Josef Weiss, Wolfgang Habermann, Peter Hammes, Josef Ritz, Erwin Thomas, Peter Thoma
  • Patent number: 4602068
    Abstract: Solid organic polymers are chlorinated with chlorine to give chlorinated polymers in the presence of a solvent which contains from 20 to 100% by weight of phosgene and in which the polymer is dissolved or suspended, at or below the boiling point of the mixture of chlorine and solvent, by initiating the reaction with actinic light or another initiator which produces free radicals. A mixture of not less than 50% by weight of phosgene and a chlorofluorocarbon or chlorofluorohydrocarbon, such as chlorotrifluoromethane, can also be used as the solvent, but phosgene is most suitable.
    Type: Grant
    Filed: December 17, 1984
    Date of Patent: July 22, 1986
    Assignee: BASF Aktiengesellschaft
    Inventor: Klaus Bronstert
  • Patent number: 4600726
    Abstract: Ethylene glycol is prepared from carbon monoxide and hydrogen under superatmospheric pressure and at an elevated temperature in the presence of a rhodium-containing catalyst together with a cobalt catalyst, the molar ratio of rhodium to cobalt being from about 20:1 to 60:1.
    Type: Grant
    Filed: July 24, 1985
    Date of Patent: July 15, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Werner Bertleff, Franz-Josef Muller, Rudolf Kummer, Wolfgang Harder
  • Patent number: 4600799
    Abstract: 2,3,6-Trimethylhydroquinone is prepared by catalytic hydrogenation of 2,3,6-trimethylquinone with hydrogen in the presence of a solvent by a continuous process in which the reaction is carried out over a platinum/alumina catalyst.
    Type: Grant
    Filed: February 7, 1985
    Date of Patent: July 15, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz J. Broecker, Peter Tavs, Harald Laas, Wolf-Karlo Aders
  • Patent number: 4599433
    Abstract: Olefinically unsaturated hydrocarbons, in particular dimeric or polymeric isobutene derivatives, which have a mean number average molecular weight M.sub.n of from 100 to 3000, are reacted with maleic anhydride in a molar ratio of maleic anhydride to olefin of from 0.2 to 3.0, in the presence of from 1 to 5000 ppm by weight of an alkoxide of titanium, of zirconium, of vanadium or of aluminum, at from 150.degree. to 280.degree. C., with formation of the corresponding succinic anhydride. These products are used for the preparation of anticorrosive agents or oil additives.
    Type: Grant
    Filed: March 28, 1985
    Date of Patent: July 8, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Bronstert, Hans-Henning Vogel, Hans P. Rath
  • Patent number: 4599335
    Abstract: Diamine derivatives of the formula ##STR1## where R.sup.1 is unsubstituted or substituted alkyl, unsubstituted or substituted aryl or aralkyl, bicycloalkyl, alkoxy, acyl or halogen, n is 0, 1, 2 or 3, R.sup.2 is alkyl, alkenyl or alkoxy, A is unsubstituted or substituted alkylene or unsubstituted or substituted cycloalkylene, R.sup.3, R.sup.4 and R.sup.5 are each unsubstituted or substituted alkyl, alkenyl, alkynyl or unsubstituted or substituted benzyl, or R.sup.3 and R.sup.4, together with A and the two nitrogen atoms bonded to A, form an unsubstituted or substituted piperazine or perhydrodiazepine ring, or R.sup.4 and R.sup.5, together with the nitrogen atom, form an unsubstituted or substituted heterocyclic ring, R.sup.6 is alkyl, alkenyl, alkynyl or unsubstituted or substituted aralkyl or aryloxyalkyl, and Z is an anion of an acid, and fungicides containing these compounds.
    Type: Grant
    Filed: July 31, 1985
    Date of Patent: July 8, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Costin Rentzea, Ernst Buschmann, Norbert Meyer, Eberhard Ammermann, Ernst-Heinrich Pommer
  • Patent number: 4599293
    Abstract: To transfer a toner image from a toner-treated surface, a toner transfer film is employed, which comprises a transparent base carrying a transparent layer which is capable of picking up toner and has a temporary slight surface tack, the layer consisting of a mixture containing a polymeric and/or pre-polymeric binder, a polymerizable low molecular weight compound and a polymerization initiator. After transfer, the toner image can be permanently fixed to the toner transfer film by heating the film and/or exposing it to light.
    Type: Grant
    Filed: December 4, 1981
    Date of Patent: July 8, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Albrecht Eckell, Albert Elzer, Gerhard Hoffmann, Reinhold J. Leyrer, Heinz-Ulrich Werther
  • Patent number: 4599202
    Abstract: Adipodinitrile is prepared by reacting adipic acid with excess ammonia at from 250.degree. to 350.degree. C. in the liquid phase in the presence of a diluent by a process in which a liquid hydrocarbon which is inert under the reaction conditions is used as the diluent.
    Type: Grant
    Filed: July 3, 1985
    Date of Patent: July 8, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Manfred Sauerwald, Jost H. Manegold, Hans Leitner