Patents Assigned to BASF
  • Preparation of homopolymers and copolymers of propylene by means of a Ziegler-Natta catalyst system
    Patent number: 4761461
    Abstract: Polymers of polypropylene are prepared by means of a Ziegler-Natta catalyst system comprising (1) a titanium component which contains titanium, magnesium, chlorine and a benzenecarboxylic acid derivative, (2) an aluminum component and (3) a silane component, wherein the (1) used is obtained by (1.1) first reacting with one another (1.1.1) in a liquid hydrocarbon, (1.1.2) a finely divided magnesium halide, (1.1.3) an alkanol, (1.1.4) a phthalic acid ester and (1.1.5) titanium tetrachloride under certain conditions, (1.2) then extracting the solid intermediate obtained from (1.1) with titanium tetrachloride until the remaining solid substance has become significantly richer in magnesium, and (1.3) finally washing the solid substance remaining in (1.2) with an alkane in a certain manner.
    Type: Grant
    Filed: November 14, 1986
    Date of Patent: August 2, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: James F. R. Jaggard, Rainer A. Werner, Wolfgang Gruber
  • Preparation of biscarbamates and novel biscarbamates
    Patent number: 4759832
    Abstract: Biscarbamates, including novel one, of the general formula ##STR1## where R is alkyl of 1 to 8 carbon atoms and X is a hydrocarbon radical of 2 to 60 carbon atoms in which one or more carbon atoms may be replaced by hetero atoms and which may contain halogen atoms or ester, carbonyl or nitrile groups are prepared by electrochemically oxidizing formamides of the general formula ##STR2## in the presence of an alkanol of the formula ROH and of an ionic halide.
    Type: Grant
    Filed: February 13, 1987
    Date of Patent: July 26, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Degner, Heinz Hannebaum
  • Tetralin derivatives, their preparation and their use
    Patent number: 4760174
    Abstract: Tetralin derivatives of the formula I ##STR1## where X, R.sup.1, R.sup.2 and R.sup.3 have the meanings stated in the description, and their preparation are described. The novel compounds are useful for the treatment of disorders.
    Type: Grant
    Filed: September 20, 1985
    Date of Patent: July 26, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Fritz-Frieder Frickel, Hans-Heiner Wuest, Axel Nuerrenbach
  • Oximinophosphoric acid derivatives, and their use for controlling pests
    Patent number: 4760056
    Abstract: Oximinophosphoric acid derivatives of the formula ##STR1## where R.sup.1 is a straight-chain or branched alkyl of not more than 4 carbon atoms, R.sup.2 is a straight-chain or branched alkoxy or alkylthio group of not more than 4 carbon atoms, straight-chain or branched alkyl of not more than 3 carbon atoms, phenyl, amino or a straight-chain or branched alkylamino or dialkylamino radical, where alkyl in each case is of not more than 4 carbon atoms, and X is oxygen or sulfur, a process for the manufacture of these oximinophosphoric acid derivatives, and their use for controlling pests.
    Type: Grant
    Filed: April 23, 1986
    Date of Patent: July 26, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Buerstinghaus, Franz Merger, Rudolf Kropp, Karl Kiehs, Heinrich Adolphi
  • Dye transfer
    Patent number: 4760049
    Abstract: Dyes are transferred from a substrate to a plastics-coated paper by sublimation or vaporization using a thermal printing head by using a substrate of which there are dyes 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.
    Type: Grant
    Filed: October 29, 1987
    Date of Patent: July 26, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl-Heinz Etzbach, Ruediger Sens
  • Cyclohexenones and their use for controlling undesirable plant growth
    Patent number: 4758265
    Abstract: Cyclohexanones of the formula ##STR1## where R.sup.1 is alkyl, R.sup.2 is alkyl, alkenyl, alkynyl, or haloalkyl, Z is hydrogen or alkoxycarbonyl, and X is a substituted or unsubstituted pentamethylene chain in which one or two methylene groups can be replaced by O, S, SO, SO.sub.2 or NR.sup.3, and their use for controlling undesirable plant growth.
    Type: Grant
    Filed: November 12, 1986
    Date of Patent: July 19, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Becker, Dieter Jahn, Ulrich Schirmer, Michael Keil, Bruno Wuerzer, Norbert Meyer
  • Ether and thioether amines and their use as fungicides
    Patent number: 4758564
    Abstract: Amines of the general formula ##STR1## where A is alkyl, alkenyl, cycloalkyl, cycloalkenyl, phenylalkyl or phenylalkenyl, X is oxygen or sulfur, B is an alkylene chain and R.sup.1 and R.sup.2 are each alkyl, alkenyl or cycloalkyl, or R.sup.1 and R.sup.2 form part of a heterocyclic structrure, and their salts, as well as fungicides containing these compounds.
    Type: Grant
    Filed: February 18, 1986
    Date of Patent: July 19, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Costin Rentzea, Ernst Buschmann, Norbert Goetz, Eberhard Ammermann, Ernst-Heinrich Pommer
  • Preparation of catalysts, and their use in hydrogenation and amination reactions
    Patent number: 4758546
    Abstract: Catalysts containing one of the metals iron, cobalt or nickel or a mixture of these are prepared by reduction of the particular catalyst intermediate with hydrogen at from 80.degree. to 260.degree. C. and under from 1 to 300 bar, in the liquid phase and in the presence of a redox system, and are used in the hydrogenation and amination of organic compounds.
    Type: Grant
    Filed: July 2, 1986
    Date of Patent: July 19, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Baer, Wolfgang Reiss, Juergen Schossig, Herbert Toussaint
  • Novel aliphatic aldehydes and their preparation
    Patent number: 4758548
    Abstract: Aliphatic aldehydes of the general formula I ##STR1## where R.sup.1 is hydrogen or methyl,R.sup.2 is a straight-chain or branched alkyl radical of 1 to 4 carbon atoms and the two radicals X are each hydrogen or together form a further C--C bond, in particular2,5,7,7-tetramethyloctanal,2,4,5,7,7-pentamethyloctanal,2-ethyl-5,7,7-trimethyloctanal and2,5,7,7-tetramethyl-2-octen-1-al, are used in scent compositions and are prepared by a process in which an aldehyde of the general formula II ##STR2## is condensed with an aldehyde of the general formula III ##STR3## in the presence of an aldol condensation catalyst to give the substituted octenal of the general formula I, and, if required, the latter is partially hydrogenated or reduced to give the ocorresponding octanal of the formula I.
    Type: Grant
    Filed: June 30, 1987
    Date of Patent: July 19, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Walter Gramlich, Hardo Siegel
  • Isoindoline compound
    Patent number: 4758663
    Abstract: Isoindoline compounds of the formula ##STR1## where A is --CN or ##STR2## These compounds are pigments which give brilliant and deep colorations, of good fastness, in plastics and surface coatings.
    Type: Grant
    Filed: April 18, 1983
    Date of Patent: July 19, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Scherer, Wolfgang Lotsch, Gustav Bock
  • Process for removing soluble metal cations in iron oxide pigments
    Patent number: 4758415
    Abstract: The subject matter of this invention relates to a process for removing the soluble metal cations contained in iron oxide pigments comprising washing said iron oxide pigments with a ligand compound having a pH greater than 6.0. The pigments can be used as colorants for substances ingested by man and animals, and they can also be used to stabilize plastics against ultraviolet degradation, and as pigments in base-coat clear-coat automotive finishing operations.
    Type: Grant
    Filed: May 10, 1985
    Date of Patent: July 19, 1988
    Assignee: BASF Corporation
    Inventor: Arvind S. Patil
  • Drying oil soap for intaglio inks
    Patent number: 4756760
    Abstract: A drying oil soap for water-wipe intaglio inks is disclosed. The drying oil soap comprises the combination of a metal hydroxide, a drying oil, and a hydroxy amine reacted to produce a drying oil soap. The water wipe intaglio printing inks containing the drying oil soaps of the present invention have improved wipeability and produce printed substrates having excellent flexibility and resistance to water, while minimizing or eliminating volatile organic solvents in the inks.
    Type: Grant
    Filed: September 15, 1986
    Date of Patent: July 12, 1988
    Assignee: BASF Corporation
    Inventor: Arthur Rudolph
  • Utilization of lactones and lactams in the preparation of polyurethane-polyurea products
    Patent number: 4757095
    Abstract: Lactones and lactams are utilized in the preparation of urethane modified prepolymers based on diphenylmethane diisocyanate, uretonimine-modified diphenylmethane diisocyanate. The prepolymers are then employed to prepare microcellular foams suitable for shoe soles and cast polyurethane products.
    Type: Grant
    Filed: June 9, 1987
    Date of Patent: July 12, 1988
    Assignee: BASF Corporation
    Inventors: Robert J. Galan, Thirumurti Narayan
  • 2-tert-butyl-4-methylcyclohexanol derivatives, their preparation and their use as scents
    Patent number: 4757051
    Abstract: Novel 2-tert-butyl-4-methylcyclohexanol derivatives of the general formula I ##STR1## where R.sup.1 is alkyl of 1 to 3 carbon atoms or an acyl group ##STR2## where R.sup.2 is alkyl of 1 to 5 carbon atoms, and a process for their preparation, their use as scents, and scent compositions containing compounds of the formula I.Particularly interesting compounds are 2-tert-butyl-4-methylcyclohexyl acetate and propionate.
    Type: Grant
    Filed: August 11, 1987
    Date of Patent: July 12, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Walter Gramlich, Werner Hoffman, Ludwig Schuster
  • Preparation of 1,1,2-trialkoxyethanes
    Patent number: 4755625
    Abstract: 1,1,2-trialkoxyethanes I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each C.sub.1 -C.sub.8 -alkyl and R.sup.1 and R.sup.2 may furthermore be bonded to one another to form a 5-membered to 7-membered ring, are prepared by reacting a formaldehyde dialkyl acetal II with carbon monoxide and hydrogen, from 0.5 to 1.5 moles of hydrogen being used per mole of carbon monoxide, and with not less than 1 mole of alcohol R.sup.3 OH per mole of formaldehyde dialkyl acetal under superatmospheric pressure and at elevated temperatures in the presence of a catalyst which is formed from a cobalt carbonyl compound and a trivalent organic compound of the formula III ##STR2## where A is phosphorus, arsenic, antimony or bismuth and R.sup.4, R.sup.5 and R.sup.6 are each an organic radical.
    Type: Grant
    Filed: July 16, 1987
    Date of Patent: July 5, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Robert Maerkl, Werner Bertleff, Rudolf Kummer
  • Preparation of acicular cobalt-containing ferrimagnetic iron oxides
    Patent number: 4755395
    Abstract: The preparation of acicular ferrimagnetic iron oxides which contain cobalt and phosphate ions and, if desired, further additives, and their use for manufacturing magnetic recording media.
    Type: Grant
    Filed: May 5, 1986
    Date of Patent: July 5, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Werner Steck, Rainer Feser, Werner Loeser, Peter Rudolf, Guenter Vaeth, Helmut Jakusch, Jenoe Kovacs
  • Nonyellowing cathodic electrocoat
    Patent number: 4755418
    Abstract: A method of preventing the yellowing of the outermost coating of a multicoat coating system is disclosed. The method comprises initially depositing onto a conductive substrate by cathodic electrodeposition a primer coating comprising at least one layer of an amine-epoxy resin adduct and a cross-linking agent, and then curing said primer to a hard, durable film. Then, depositing a second coating onto the primer layer comprising at least one layer of a pigmented film-forming basecoat. Then depositing a third outermost coating onto the second coating comprising at least one layer of a clear, film-forming topcoat, and then curing the basecoat and topcoat.
    Type: Grant
    Filed: October 20, 1986
    Date of Patent: July 5, 1988
    Assignee: BASF Corporation
    Inventors: Tapan K. DebRoy, Ding-Yu Chung
  • Protective jacket for a disk-shaped recording medium
    Patent number: 4755901
    Abstract: A protective jacket for recording media, in particular flexible recording media, is provided with a network or grid of conductor paths (6) to counteract electric charges, Advantageously, the jacket blank (1) is coated uniformly, in particular on both sides, with linear conductor paths (6). The protective jacket can be used for storing any recording media outside a recording/playback apparatus, or for operating any recording media inside such an apparatus. It is advantageous if, in the areas in which the blank (1) is welded to form a partially or completely closed jacket after folding, a conductor path grid or network is provided so that areas which are free of the conductive layer and are of prescribed dimensions are available between the conductor paths, such areas being necessary for welding.
    Type: Grant
    Filed: January 21, 1986
    Date of Patent: July 5, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Hubert Fehrenbach, Werner Fehrenbach, Dietrich Gruehn, Kurt Zwintzscher
  • Preparation of cobalt-containing isotropic magnetic iron oxides
    Patent number: 4755315
    Abstract: A process for the preparation of cobalt-containing isotropic magnetic iron oxides which are based on gamma-iron(III) oxide, contain from 2 to 7% by weight of cobalt(II) ions and less than 2% by weight of Fe(II) ions, the percentages in each case being based on the iron oxide, and have a particle length of from 0.08 to 0.30 .mu.m, a length/width ratio of from 1.5 to 3.5:1 and a specific remanent magnetization after saturation of not less than 60 nTm.sup.3 /g.
    Type: Grant
    Filed: February 12, 1987
    Date of Patent: July 5, 1988
    Assignee: BASF Aktiengesellschat
    Inventors: Werner Steck, Rainer Feser, Helmut Jakusch, Peter Rudolf, Guenter Vaeth, Udo Kullmann
  • Preparation of 3-methylpiperidine
    Patent number: 4755604
    Abstract: 5-Membered, 6-membered or 7-membered cyclic imines are prepared by hydrogenating a C.sub.2 -C.sub.4 -alkanedinitrile in the liquid phase, at from 180.degree. to 300.degree. C. and under superatmospheric pressure, in the presence of a catalyst, by a process in which an iron catalyst obtained by reduction of an iron oxide with hydrogen at .ltoreq.500.degree. C. is used.
    Type: Grant
    Filed: June 15, 1987
    Date of Patent: July 5, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Frank, Gerald Neubauer