Patents Assigned to BASF
  • Patent number: 6153734
    Abstract: Oligomeric azo dyes having an alternating construction made up of tetrazo components and coupling components, containing in the molecule at least 2 units of the structure I------[D--------K]------ (I)where D and K are as defined in the specification, are prepared and used alone or in mixtures for dyeing and printing natural or synthetic substrates.
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: November 28, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Gunter-Rudolf Schroder, Torsten Freund, Udo Mayer, Karl-Heinz Etzbach
  • Patent number: 6153786
    Abstract: A process for preparing 2-alkynoic esters of the general formula (I),R.sup.1 --O--CO--C.tbd.C--R.sup.2 (I)in which R.sup.1 and R.sup.2 independently are C.sub.1-16 -alkyl, C.sub.6-12 -aryl, C.sub.7-12 -aralkyl or C.sub.7-12 -alkylaryl radicals, and R.sup.2 can also be hydrogen,by reacting a chloroformate of the general formula (II),R.sup.1 --O--CO--Cl (II)with an alkyne of the general formula (III),R.sup.2 --C.tbd.C--H (III)is carried out in the presence of a Pt and/or Pd complex which has phosphine ligands and/or phosphite ligands as catalyst.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: November 28, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Jochem Henkelmann, Thomas Preiss, Arnd Bottcher, Rolf Gleiter, Christel de Backer
  • Patent number: 6152543
    Abstract: A catalyst system suitable for the polymerization of C.sub.2 -C.sub.10 -alk-1-enes comprising, as active ingredients, a complex compound of metals in Sub-groups IV and V of the Periodic Table and an oligomeric alumoxan compound is obtained by a procedure in which metals in Sub-groups IV and V of the Periodic Table are mixed with the oligomeric alumoxan compound and the resulting mixture is then applied to finely divided polymer. The catalyst system of the invention can be isolated after manufacture and is particularly suitable for the gas-phase polymerization of C.sub.2 -C.sub.10 -alk-1-enes.
    Type: Grant
    Filed: June 4, 1992
    Date of Patent: November 28, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Rueger Schlund, Bernhard Rieger
  • Patent number: 6150302
    Abstract: Fruit yield enhancement is achieved by applying a semicarbazone in a fruit yield enhancing effective amount to the locus of a fruit bearing plant. Most preferably, the semicarbazone treatment is practiced at the onset of reproductive growth--that is, at the onset of the flowering and/or fruit reproductive growth stage of the plant. Most preferably, the semicarbazone is diflufenzopyr.
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: November 21, 2000
    Assignee: BASF Corporation
    Inventors: Steven J. Bowe, Wilhem Rademacher, Larry J. Newsom, Gregory P. Ferguson
  • Patent number: 6150564
    Abstract: The invention relates to a process for the selective liquid-phase hydrogenation of .alpha.,.beta.-unsaturated carbonyl compounds of the formula I, ##STR1## where R.sub.1 is hydrogen or an organic radical, and R.sub.2, R.sub.3 and R.sub.4, independently of one another, are hydrogen or a C.sub.1 -- to C.sub.4 --alkyl group, to saturated carbonyl compounds of the formula II ##STR2## using hydrogen in the presence of a pulverulent palladium and/or rhodium catalyst and in the presence of an organic base. The process is carried out in a packed bubble column reactor (1, 2) with product recycling (11, 17) and circulating hydrogen gas (4, 15, 16). It is particularly suitable for the selective hydrogenation of citral to citronellal.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: November 21, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Josef Brocker, Gerd Kaibel, Werner Aquila, Hartwig Fuchs, Gunter Wegner, Manfred Stroezel
  • Patent number: 6149295
    Abstract: A process and apparatus for the measurement of parameters in reactors having moving stirrers which contain probes in the reactor interior, wherein at least two probes connected via a multiplexer to a sensor signal amplifier by connecting cables located in the moving stirrers are installed on the surface of the moving stirrers, and the measurement data obtained by the probes are passed via the connecting cables to a sensor signal amplifier and from thence are passed on to an electronic evaluation unit by non-contact, inductive signal transmission by means of a contactless sensor tap.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: November 21, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Volkmer, Peter Schey, Herbert Plotz, Franz Langhauser, Dirk Meckelnburg, Hans-Josef Klein, Michael Bergner, Jurgen Oelze
  • Patent number: 6149850
    Abstract: A process for introducing additives into a polymer melt comprising dispersing at least one additive in an at least partially volatile liquid vehicle with a dispersant and a stabilizer for the dispersion; feeding the resulting dispersion to a vented extruder which is extruding a polymer; and removing the fed volatiles through the extruder vent to achieve a substantially homogeneous system containing the polymer and at least one additive is disclosed.
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: November 21, 2000
    Assignee: BASF Corporation
    Inventor: Oliver Keith Gannon
  • Patent number: 6150424
    Abstract: Solid foamed active ingredient preparations based on melt-processable polymers, obtainable by extrusion of a melt of one or more polymers which comprises active ingredient and which is impregnated with a volatile, physiologically acceptable blowing agent and expanded.
    Type: Grant
    Filed: March 1, 1999
    Date of Patent: November 21, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Jorg Breitenbach, Horst Baumgartl
  • Patent number: 6150496
    Abstract: An inherently light- and heat-stabilized polyamide has at least one piperidine compound bonded to the backbone polymer chain and at least one 4-amino-2,2,6,6-tetramethylpiperidine compound bonded to the backbone polymer chain. The inherently light- and heat-stabilized polyamide may be used to form articles such as, for example, fibers, carpets, yarns, and textile fabrics.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: November 21, 2000
    Assignee: BASF Corporation
    Inventors: Otto M. Ilg, Ulrike Breiner, Manfred Juluis
  • Patent number: 6150303
    Abstract: Substituted 3-phenylisoxazolines I, and their salts and enol ethers, are described as herbicides ##STR1## where X.dbd.--O--, --S--, --N(R.sup.9)--;R.sup.1 .dbd.CN, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -alkylsulfonyl;R.sup.2 .dbd.H or unsubstituted or substituted C.sub.1 -C.sub.6 -alkyl, (C.sub.1 -C.sub.6 -alkyl)carbonyl, C.sub.1 -C.sub.6 -alkylsulfonyl, C.sub.2 -C.sub.6 -alkenyl, (C.sub.2 -C.sub.6 -alkenyl)carbonyl, C.sub.2 -C.sub.6 -alkynyl, (C.sub.2 -C.sub.6 -alkynyl)carbonyl;R.sup.3 .dbd.H, halogen;R.sup.4 .dbd.CN, halogen, C.sub.1 -C.sub.3 -haloalkyl;R.sup.5 .dbd.H, CN, halogen, C.sub.1 -C.sub.3 -haloalkyl;R.sup.6 .dbd.H, CN, halogen, C.sub.1 -C.sub.3 -haloalkyl or unsubstituted or substituted C.sub.1 -C.sub.6 -alkoxy;R.sup.7 .dbd.CN, halogen;R.sup.8 in position .alpha., R.sup.7 in this case being in position .beta., or in position .beta., R.sup.7 in this case being in position .alpha., is1) H, OH, SH, CN, NO.sub.2, halogen, C.sub.1 -C.sub.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: November 21, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Olaf Menke, Markus Menges, Gerhard Hamprecht, Robert Reinhard, Peter Schafer, Cyrill Zagar, Karl-Otto Westphalen, Ulf Misslitz, Helmut Walter
  • Patent number: 6150465
    Abstract: The invention provides a powder slurry composition comprising a first solid particulate component (a) dispersed in a crosslinking component (b) having at least one crosslinking resin which is liquid at 20.degree. C. First component (a) is in solid particulate form having an average particle size of from 3 to 30 microns. Component (a) has a compound (i) having a T.sub.g >40.degree. C. and at least one carbamate or urea functional group, or a group convertible to a carbamate or urea group appended thereto. Crosslinking component (b) has at least one crosslinking resin (i) which is liquid at 20.degree. C. Most preferably, crosslinking component (b) will further include a self-crosslinking aminoplast resin (ii) having at least two aminoplast groups and at least two groups which are nonreactive with solid particulate first component (a) but which are reactive with said aminoplast groups. The powder slurry composition of the invention has a VOC of less than 1.0 lbs.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: November 21, 2000
    Assignee: BASF Corporation
    Inventors: Paul J. Harris, Walter H. Ohrbom, John W. Rehfuss
  • Patent number: 6147258
    Abstract: Substituted guanidine derivatives of the formula I ##STR1## are prepared by reacting calcium cyanamide with a primary or secondary amino carboxylic acid or a primary or secondary amino sulfonic acid or their derivatives of the formula II ##STR2## where the substituents R.sup.1 and R.sup.2 have the meanings explained in the description.
    Type: Grant
    Filed: October 22, 1998
    Date of Patent: November 14, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Greindl, Gunter Scherr, Rolf Schneider, Klaus Mundinger
  • Patent number: 6147145
    Abstract: A monomer composition is described, containing A) vinyl-containing monomers in which the vinyl bears a hetero-atom selected from the group consisting of the halogens, nitrogen, oxygen, sulfur or silicon, andB) at least one N-oxyl compound of a secondary amine which does not bear hydrogen on the .alpha.-carbons, in an amount effective as stabilizer against premature polymerization.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: November 14, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Alexander Aumuller, Andreas Koch, Heinz Friedrich Sutoris, Jacques Dupuis, Manfred Niessner
  • Patent number: 6147183
    Abstract: Amphoteric amine based polymers having a net cationic charge, wherein the polymers are obtained by reacting (a) at least one amine with (b) at least one crosslinking agent, in a molar ratio of (a):(b) of from 2:1 to 1:1.5 and (c) reacting the condensation products of (a) and (b), which are free of anionic groups, with an anionic group containing an alkylating agent or oxidizing their tertiary nitrogen atoms to N-oxides in such an amount that the resulting polymers still have a net cationic charge, and a process for the production of amphoteric amine based polymers having anet cationic charge by reacting the compounds of (a), (b) and (c) the amphoteric amine based polymers may be used as additives in detergents.
    Type: Grant
    Filed: September 15, 1998
    Date of Patent: November 14, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Soren Hildebrandt, Elisabeth Kappes, Dieter Boeckh, Rajan Panandiker, Sherri Randall, Eugene Paul Gosselink, William Conrad Wertz
  • Patent number: 6147247
    Abstract: A process for coproduction of 6-aminocapronitrile and hexamethylenediamine starting from a mixture comprising a phosphorus-containing compound and essentially adiponitrile and obtained by reaction of butadiene with hydrocyanic acid in the presence of a catalyst comprising a phosphorus-containing compound comprises(1) reducing the weight proportion of phosphorus-containing compound, calculated as phosphorus, in the mixture,(2) partially hydrogenating the resulting mixture in the presence of a catalyst to form an .alpha.,.omega.-aminonitrile, and(3) removing 6-aminocapronitrile and hexamethylenediamine from the mixture.
    Type: Grant
    Filed: March 10, 1999
    Date of Patent: November 14, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Guido Voit, Klemens Flick, Hermann Luyken, Alwan Rehfinger, Peter Bassler
  • Patent number: 6147104
    Abstract: The invention relates to biphenylamides having general formula (I), and their salts, in which R.sup.1 is H or F; R.sup.2 is H, halogen, alkyl, halogen methyl, alkoxy, alkylthio; R.sup.3 is CH.sub.3, CHF.sub.2, CF.sub.3. The invention also relates to agents containing biphenylamnides, the production of biphenylamides and their use in combating parasitic fungus.
    Type: Grant
    Filed: February 10, 2000
    Date of Patent: November 14, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Eicken, Michael Rack, Frank Wetterich, Eberhard Ammermann, Gisela Lorenz, Siegfried Strathmann
  • Patent number: 6146707
    Abstract: An aqueous coating composition which comprises as one binder component an aqueous polymer dispersion comprisingi) an acrylate polymer based on from 30 to 60% by weight of C.sub.1 -C.sub.8 -alkyl (meth)acrylate monomers, from 30 to 60% by weight of vinylaromatic monomers and from 0.5 to 10% by weight of (meth)acrylic acid,(ii) a nonassociative rheology stabilizer comprising an acrylate copolymer based on C.sub.1 -C.sub.6 -alkyl (meth)acrylate and (meth)acrylic acid, and(iii) as crosslinker, tris(alkoxycarbonylamino)-triazine or a mixture of tris(alkoxycarbonylamino)-triazines.
    Type: Grant
    Filed: September 27, 1999
    Date of Patent: November 14, 2000
    Assignee: BASF Coatings AG
    Inventors: Eckchard Sapper, Christian Schade, Kurt Wendel, Hubert Baumgart
  • Patent number: 6147171
    Abstract: Catalyst systems which are suitable for polymerizing ethylene and 1-alkenes comprise as active constituentsA) a chromium-containing component obtainable by reducing an oxidized Phillips catalyst with organic compounds selected from the group of linear C.sub.4 -C.sub.10 - or cyclic C.sub.3 -C.sub.10 -alkenes with at least one internal C.dbd.C double bond, of 1,3-butadiene, of C.sub.2 -C.sub.10 -alkynes and of C.sub.1 -C.sub.10 -aldehydes,with or withoutB) an organometallic compound of the first, second, third or fourth main group or of the second subgroup of the Periodic Table of the Elements.
    Type: Grant
    Filed: May 7, 1998
    Date of Patent: November 14, 2000
    Assignee: BASF Aktiengesellschaft
    Inventor: Wolfgang Rohde
  • Patent number: 6147048
    Abstract: The use of at least trihydric alcohols and their reaction products with ethylene oxide and/or propylene oxide as additive to particulate detergent formulations, especially compact detergents, to increase their rate of dissolving in water in amounts of from 0.1 to 5% by weight based on the detergent formulations.
    Type: Grant
    Filed: November 19, 1998
    Date of Patent: November 14, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Jurgen Huff, Hans-Ulrich Jager, Martin aus dem Kahmen, Matthias Kroner, Jurgen Alfred Lux, Gunter Oetter
  • Patent number: 6147208
    Abstract: Caprolactam and hexamethylenediamine are prepared simultaneously starting from adiponitrile.
    Type: Grant
    Filed: June 16, 1998
    Date of Patent: November 14, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Gunther Achhammer, Peter Bassler, Rolf Fischer, Eberhard Fuchs, Hermann Luyken, Werner Schnurr, Guido Voit, Lutz Hilprecht