Patents Assigned to BASF
  • Copolymers and their reaction products with amines as fuel and lubricant additives
    Publication number: 20010025094
    Abstract: Copolymers I carrying functional groups and comprising
    Type: Application
    Filed: May 4, 2001
    Publication date: September 27, 2001
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Wolfgang Gunther, Knut Oppenlander, Walter Denzinger, Heinrich Hartmann, Helmut Mach, Harald Schwahn, Hans Peter Rath
  • Stabilized UV-crosslinkable hot-melt pressure sensitive adhesives
    Publication number: 20010024699
    Abstract: A composition comprises a polyacrylate for processing from the melt and a stabilizer having at least one phosphite group.
    Type: Application
    Filed: February 5, 2001
    Publication date: September 27, 2001
    Applicant: BASF Aktiengesellschaft
    Inventors: Ralf Fink, Karl-Heinz Schumacher
  • Alkylene oxide modified silicone glycol compatibilizing agents for stable polyester polyol compositions
    Patent number: 6294107
    Abstract: A polyester polyol composition comprising a phthalic anhydride-initiated polyester polyol, a C4-C6 hydrocarbon blowing agent, and an alkylene oxide modified silicone glycol compatibilizing agent having an HLB of from about 5 to about 8 is disclosed. The blowing agent is soluble in the polyol composition, thereby reducing the risks associated with such blowing agents in processes for making rigid polymer foam articles and providing rigid foams having good dimensional stability and improved insulation properties. An alkylene oxide and isocyanate modified silicone glycol compatibilizing agent is also disclosed.
    Type: Grant
    Filed: July 26, 2000
    Date of Patent: September 25, 2001
    Assignee: BASF Corporation
    Inventors: David D. Peters, Robert E. Riley, Jimmy L. Patterson, Anthony G. Schaefer
  • Pigment preparations with radiation curable binder suitable for ink jet printing method
    Patent number: 6294592
    Abstract: The invention provides for pigment preparations containing, as main components, A) at least a finely divided organic or inorganic pigment, B) a dispersing agent composed of formaldehyde-arylsulfonic acid or oxalkylated phenols condensates, C) a radiation curable binder, D) optionally a photoinitiator, and E) water. The invention also provides for the use of said preparations as inks for said ink jet printing method.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: September 25, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Manfred Herrmann, Gert Motzkus, Wolfgang Reich, Rüdiger Sens, Bernd Siegel, Karl Siemensmeyer
  • System for applying quick-drying coating agents
    Patent number: 6294021
    Abstract: The invention relates to a system for the application of quick-drying coating compositions, where the system contains of [sic] a plastic container having a pressure release valve and containing the coating composition, of [sic] a sponge having a planar application surface and having a pore structure, connected by capillaries and open at the application surface, which sponge embeds the pressure release valve, and of [sic] a lid for airtight sealing of the sponge when the system is not being used.
    Type: Grant
    Filed: March 26, 1999
    Date of Patent: September 25, 2001
    Assignee: BASF Coatings AG
    Inventors: Martin Platzcke, Jörg Lenz
  • Method for producing polymers cross-linkable by radiation, acrylic or methacrylic acid esters
    Patent number: 6294591
    Abstract: A process is described for preparing radiation-crosslinkable polymeric acrylates and methacrylates, which involves reacting an acrylate or methacrylate copolymer containing units having a reactive side group with a compound that contains a group which is capable of reacting with the reactive side group and also a group which is capable of forming free radicals under the action of actinic radiation. The preparation of the modified, photoactive polymers by polymer-analogous reaction makes it possible to do without the laborious handling of aggressive, specially synthesized monomers, especially acrylic esters. The products of the process can be employed widely as radiation-curable coating materials.
    Type: Grant
    Filed: June 16, 1999
    Date of Patent: September 25, 2001
    Assignee: BASF Coatings AG
    Inventors: Rainer Blum, Peter Keller
  • Fungicidal mixtures
    Patent number: 6291497
    Abstract: A fungicidal mixture comprises a) a phenyl benzyl ether derivative of the formula I.a, I.b or I.c,  and/or a carbamate of the formula Id where X is CH or N, n is 0, 1 or 2 and R is halogen, C1-C4-alkyl or C1-C4-haloalkyl, it being possible for the radicals R to be different if n is 2, or a salt or adduct thereof, and (b) a N-acetonylbenzamide of the formula II  where: R1 and R3 independently of one another are each halogen or C1-C4-alkyl; R2 is cyano, C1-C4-alkyl, C2-C4-alkenyl, C2-C4-alkynyl or C1-C4-alkoxy; R4 is hydrogen or C1-C4-alkyl; R5 is C2-C4-alkyl; R6 is thiocyano, isothiocyano or halogen, or a salt or adduct thereof, in a synergistically effective amount.
    Type: Grant
    Filed: November 17, 1999
    Date of Patent: September 18, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Schelberger, Maria Scherer, Hubert Sauter, Bernd Müller, Erich Birner, Joachim Leyendecker, Eberhard Ammermann, Gisela Lorenz, Siegfried Strathmann, Reinhold Saur
  • Smooth textured wet-laid absorbent structure
    Patent number: 6290813
    Abstract: A smooth-textured non-woven, superabsorbent particle-impregnated fibrous structure is disclosed. The web exhibits an improved smooth surface texture. The structure contains from 50% to 80% of ion sensitive SAP having a particle size of less than 200 microns, wood pulp fibers and cellulose acetate fibers, each in preferred specified amounts indicated herein. The superabsorbent, ion sensitive polymer particle-impregnated fibrous structure is made from an aqueous, wet-lay process in which an aqueous furnish comprises solids of fibers and superabsorbent, ion sensitive polymer and dissolved salt, such as preferably, Na2SO4. The furnish is passed over a moving foraminous support, such as a Fourdrinier wire, and a wet web structure is formed, followed by drying.
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: September 18, 2001
    Assignee: BASF Corporation
    Inventor: G. Thomas Woodrum
  • Apparatus and method for direct injection of additives into a polymer melt stream
    Patent number: 6289928
    Abstract: This invention provides an apparatus and method for injecting an additive directly into a polymer melt stream. The method comprises supplying a melt flow of a polymeric host material to a die assembly having a thin-plate assembly and injecting at least one additive into at least one predetermined location in a cross-section of the melt flow of the polymeric host material while the melt flow passes through the die assembly. The method achieves uniform dosing of the one or more additives in the extrusion direction in the polymeric host material without homogeneously mixing the one or more additives and the polymeric host material. The apparatus for directly injecting one or more additives into a polymer melt stream comprises a pumping system, a die assembly having a thin-plate assembly, and a distribution line.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: September 18, 2001
    Assignee: BASF Corporation
    Inventors: Charles F. Helms, Jr., Dominick A. Burlone, James L. Huff, Thomas Kessler, Herman Brandt, Walter Gotz, Jürgen Hofmann
  • Process for the preparation of alkanolamines having improved color quality
    Patent number: 6291715
    Abstract: Preparation of alkanolamines having improved color quality by treating the alkanolamine with hydrogen in the presence of a hydrogenation catalyst at elevated temperature, by using, as hydrogenation catalyst, a heterogeneous catalyst comprising Re, Ru, Rh, Pd, Os, Ir, Pt and/or Ag and a support material chosen from the group consisting of activated carbon, alpha-aluminum oxide, zirconium dioxide and titanium dioxide, where the catalyst, in the case of activated carbon as support material, has a cutting hardness of at least 10 N, a side crushing strength of at least 30 N or a compressive strength of at least 25 N.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: September 18, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Günther Ruider, Karl-Heinz Ross, Boris Breitscheidel, Heike Maier, Gerhard Schulz, Sylvia Huber
  • Chirally nematic polyesters
    Patent number: 6291629
    Abstract: Liquid crystalline chiral nematic polyesters have flexible chains comprising isosorbide, isomannide and/or isoidide units. The polyesters are not crystalline and form stable Grandjean textures which can be frozen on cooling below the glass transition temperature. They can therefore be used in particular as surface-coating materials.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: September 18, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans R. Kricheldorf, Thorsten Krawinkel, Andreas Gerken, Peter Schuhmacher
  • Binuclear metal hydride complexes as catalysts for the (co)polymerization of polar monomers
    Patent number: 6291655
    Abstract: In binuclear metal hydride complexes of the formuula (I) the substituents and indices have the following meanings: M is scandium, yttrium, lanthanum or a lanthanide metal, R is hydrogen, halogen, C1-C20-alkyl, C3-C1-cycloalkyl, C6-C15-aryl or C3-C30-organosilyl, where two adjacent radicals R can also form a saturated or unsaturated, cyclic or heterocyclic group having from 4 to 18 carbon atoms, Z is —SiR′2—, —CR′2—, —GeR′2—, —SnR′2—, —BR′— or —O—, R′ is C1-C20-alkyl, C3-C10-cycloalkyl, C6-C15-aryl or alkylaryl having from 1 to 10 carbon atoms in the alkyl part and from 6 to 10 carbon atoms in the aryl part, m is 1 or 2, X is —O—, —S—, —NR″—, —PR″—, —OR″, —SR″, —NR″2 or —PR″2, R″ is hydrogen, C1-C20-alkyl, C3-C10-cycloalkyl, C6-C15-aryl, alkylaryl having from 1 to 10
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: September 18, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Jun Okuda, Kai Hultzsch, Michael Geprägs
  • Curable coating composition with improved stability
    Patent number: 6291073
    Abstract: The present invention provides a curable coating composition that includes at least three components. The coating composition includes a component (a) having at least one carbamate group or urea group and having a lactone or hydroxy carboxylic acid moiety. The second component (b) of the coating composition is the reaction product of a polyol having at least one branch point, i.e., carbon bonded to at least three other carbons, with a lactone or hydroxy carboxylic acid. The third component of the coating composition is a curing agent that is reactive with the first two components. Preparation of coated articles using the compositions of the invention is also disclosed.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: September 18, 2001
    Assignee: BASF Corporation
    Inventors: Walter H Ohrbom, Paul J. Harris
  • Slow-release matrix pellets and the production thereof
    Patent number: 6290990
    Abstract: Slow-release matrix pellets with a spherical or lenticular shape and uniform maximum diameters in the range from 0.5 to 4 mm, composed of a) 0.1-87% by weight of at least one biologically active compound, b) 5-50% by weight of at least one water-insoluble polymer, c) 5-45% by weight of at least one lipophilic component as plasticizer for polymer b), d) 3-40% by weight of a natural or semisynthetic gel former, e) 0-50% by weight of one or more conventional formulation aids.
    Type: Grant
    Filed: October 17, 1996
    Date of Patent: September 18, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Sven Grabowski, Joerg Rosenberg, Axel Sanner
  • Pyrazol-4-ylbenzoyl derivatives and their use as herbicides
    Patent number: 6291682
    Abstract: Pyrazol-4-ylbenzoyl derivatives where the substituents L, M, X, Y and n have the meanings given in claim 1 and Q is a pyrazole ring, linked in the 4-position, of the formula II where R15 is C1-C4-alkyl, R16 is hydrogen, C1-C4-alkyl or C1-C4-haloalkyl and R17 is hydrogen, C1-C4-alkylsulfonyl, phenylsulfonyl or alkylphenylsulfonyl, where, in the event that Y=C═O, X is other than NR23, agriculturally useful salts, a process for their preparation, and their use as herbicides.
    Type: Grant
    Filed: February 24, 1998
    Date of Patent: September 18, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Martina Otten, Wolfgang von Deyn, Stefan Engel, Regina Luise Hill, Uwe Kardorff, Marcus Vossen, Peter Plath, Norbert Götz, Helmut Walter, Karl-Otto Westphalen, Ulf Misslitz
  • Preparation of polymer powders
    Patent number: 6291573
    Abstract: The present invention relates to a process for preparing polymer powders from aqueous polymer dispersions in which the dispersed polymer P comprises in copolymerized form: i) at least one vinylaromatic monomer (a), ii) 1,3-butadiene as monomer (b), and iii) one or more monomers (c) different than the monomers (a) and (b), which comprises drying the aqueous polymer dispersion in the presence of polyvinyl alcohol as drying agent. The present invention also relates to the polymer powders obtainable by this process and to the use of these polymer powders as binders in paints, varnishes and coating compositions generally, in adhesives, and for modifying mineral construction materials. The present invention also relates to mineral construction materials in the form of dry formulations comprising the polymer powders of the invention.
    Type: Grant
    Filed: December 14, 1998
    Date of Patent: September 18, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Pakusch, Bernd Reck, Peter Claassen, Hans-Jürgen Denu, Eckehardt Wistuba, Claudia Heibel
  • Continuous method for producing propargyl chloride
    Patent number: 6291731
    Abstract: In a continuous process for preparing propargyl chloride by reacting propargyl alcohol with a chlorinating agent in the presence of a catalyst, the chlorinating agent, propargyl alcohol and from 0.1 to 10 mol % of the catalyst, based on the amount of propargyl alcohol, are continuously metered into a reaction zone and reacted at from 40 to 70° C.
    Type: Grant
    Filed: August 29, 2000
    Date of Patent: September 18, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Armin Stamm, Jochem Henkelmann, Hans-Jürgen Weyer
  • Aqueous powder-paint dispersion
    Patent number: 6291579
    Abstract: The invention relates to a process for preparing an aqueous powder coating dispersion, which comprises introducing a liquid melt comprising binders and crosslinking agents and also, if desired, catalysts, auxiliaries and further additives such as devolatilizers, UV absorbers, free-radical scavengers and/or antioxidants into an emulsifying apparatus, preferably with the addition of water and stabilizers, and cooling and filtering the resultant emulsion.
    Type: Grant
    Filed: July 27, 1999
    Date of Patent: September 18, 2001
    Assignee: BASF Coatings AG
    Inventors: Ulrich Kalck, Joachim Woltering, Maximilian Bendix, Heike Schuchmann, Klaus Borho, Werner Weinle, Michael Schiessl, Sven Rück, Markus Antonietti
  • Paper coating slips based on low-crosslink binders
    Publication number: 20010021459
    Abstract: The present invention provides paper coating slips comprising a low-crosslink copolymer as their binder.
    Type: Application
    Filed: February 1, 2001
    Publication date: September 13, 2001
    Applicant: BASF Aktiengesellschaft
    Inventors: Jurgen Schmidt-Thummes, Thomas Wirth, Stefan Kirsch
  • Continuous method for producing polyamides from aminonitriles
    Patent number: 6288207
    Abstract: The continuous process for producing a polyamide by reacting at least one aminonitrile with water comprises the following steps: (1) reacting at least one aminonitrile with water at a temperature from 90 to 400° C. and a pressure from 0.1 to 15×106 Pa in a flow tube containing packing elements of a Brönsted acid catalyst selected from beta-zeolite, sheet-silicate or titanium dioxide packing elements and metallic packing elements to obtain a reaction mixture, (2) further reacting the reaction mixture at from 150 to 400° C.
    Type: Grant
    Filed: July 25, 2000
    Date of Patent: September 11, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Ralf Mohrschladt, Dieter Krauss, Volker Hildebrandt