Patents Assigned to BASF
  • Bis-naphthalimides for the treatment of cancer
    Patent number: 5616589
    Abstract: Disclosed herein are compounds pharmaceutical compositions containing same of the formula1. A compound of the Formula ##STR1## wherein X, X', X" and X'", A, B, D, R, and R' are as identified in the specification and their preparation. Pharmaceutical compositions containing same can be used in the treatment of cancer.
    Type: Grant
    Filed: August 9, 1994
    Date of Patent: April 1, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Keilhauer, Cynthia Romerdahl, Miguel F. Bra na, Xiao-Dong Qian, Peter Bousquet, Jose M.C. Berlanga, Marina M. Moset, Maria J.P. de Vega
  • Expandable styrene resin beads and suspension-polymerization process for producing the same
    Patent number: 5616413
    Abstract: Expandable styrene resin beads are described, which, when expanded to a bulk density of 20 g/l, give pre-expanded beads in which the number of cells present along those surface parts of radii which range from the bead surface to a depth of 0.2 mm from the surface is from 3 to 20 per mm and the number of cells present along those inner parts of the radii which range from a depth of 1 mm from the bead surface to the bead center is 10 or larger per mm, the number of cells present along said surface parts being smaller than the number of cells present along said inner parts.
    Type: Grant
    Filed: April 13, 1995
    Date of Patent: April 1, 1997
    Assignee: Mitsubishi Chemical BASF Company Limited
    Inventors: Hiroki Shinozaki, Masayuki Tanaka, Yonezo Ueda
  • Thermal cleavage of carbamic esters
    Patent number: 5616784
    Abstract: In a reactor for the thermal cleavage of mono- and polyfunctional carbamic esters into the corresponding isocyanates and the hydroxyl component in the liquid phase, the geometry of the reactor, defined by the degassing area in relation to the volume and the arrangement of the heating surfaces, permits cleavage in a two-phase mixture which has a volumetric gas content of more than 50%.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: April 1, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans V. Schwarz, Andreas Otterbach, Otto Mattner, Franz Merger, Wolfgang Schwarz, Eckhardt Brandt, Peter Magnussen, Roland Minges
  • Azo dyestuff- and urethane-containing polyadduct and its use in nonlinear optics
    Patent number: 5616678
    Abstract: Azo dyestuff- and urethane-containing polyadducts comprising(a) at least one organic polyisocyanate,(b) at least one diol of a heterocyclic azo dyestuff,and if desired(c) one or more compounds having at least two groups reactive to NCO, which have an average molecular weight M.sub.n of up to 500 g/mol, and/or(d) one or more polyhydroxy compounds having average molecular weights M.sub.n of from over 500 up to 5000 g/mol.These polyadducts are suitable for applications in nonlinear optics.
    Type: Grant
    Filed: October 19, 1994
    Date of Patent: April 1, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Stefan Beckmann, Karl-Heinz Etzbach, R udiger Sens, Karl H aberle
  • N-substituted azabicycloheptane derivatives, their preparation and use
    Patent number: 5616705
    Abstract: Compounds of the formula I ##STR1## where the substituents have the meanings given in the description, and their preparation are described. The novel compounds are suitable for the control of diseases.
    Type: Grant
    Filed: April 19, 1996
    Date of Patent: April 1, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerd Steiner, Rainer Munschauer, Liliane Unger, Hans-Jurgen Teschendorf, Thomas Hoger
  • Triazolopyridine dyes
    Patent number: 5616710
    Abstract: Triazolopyridine dyes of the formula ##STR1## where one of the two radicals A and E is nitrogen and the other is a radical of the formula C-R.sup.1, where R.sup.1 is unsubstituted or substituted C.sub.1 -C.sub.20 -alkyl, unsubstituted or substituted phenyl or unsubstituted or substituted mercapto,Q is a radical of the formula ##STR2## where R.sup.2 is a carbocyclic or heterocyclic radical,R.sup.3 is unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxycarbonyl or unsubstituted or substituted phenyl,R.sup.4 is cyano, carbamoyl, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl or benzothiazolyl or R.sup.3 and R.sup.4 together are the remainder of a fused-on benzene ring andX is CH or nitrogen, andR.sup.5 is oxygen or a radical of a compound with an acidic CH, and a process for the thermal transfer of these dyes.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: April 1, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Rudiger Sens, Ernst Schefczik, Helmut Reichelt, Karl-Heinz Etzbach
  • Preparation of bead-form expandable styrene polymers having improved expandability
    Patent number: 5616624
    Abstract: A process for the preparation of bead-form expandable styrene polymers by polymerizing styrene, if desired in the presence of further comonomers, in aqueous suspension in the presence of organic molecular colloids as suspension stabilizers and conventional styrene-soluble polymerization catalysts and with addition of a blowing agent and, if desired, conventional additives in effective amounts, wherein the aqueous suspension contains at least one olefinically unsaturated carboxylic acid or a water-soluble salt thereof in an amount, based on the organic phase, of from 0.002 to 0.3% by weight of carboxylate anions.
    Type: Grant
    Filed: August 2, 1995
    Date of Patent: April 1, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Witt, Dietrich Scherzer, Klaus Hahn, Dieter Naegele
  • Preparation of 1,2-propanediol
    Patent number: 5616817
    Abstract: A process for the preparation of 1,2-propanediol by catalytic hydrogenation of glycerol at elevated temperature and elevated pressure, which comprises using glycerol having a water content of up to 20% by weight and a catalyst comprising the metals cobalt, copper, manganese and molybdenum in amounts of, based on the total weight of the catalyst,from 40 to 70% by weight of cobalt,from 10 to 20% by weight of copper,from 0 to 10% by weight of manganese andfrom 0 to 10% by weight of molybdenum,where this catalytically active material may additionally contain inorganic polyacids and/or heteropolyacids in an amount of up to 10% by weight, based on the total weight of the catalyst.
    Type: Grant
    Filed: November 20, 1995
    Date of Patent: April 1, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Ludwig Schuster, Manfred Eggersdorfer
  • Preparation of aryl chloroformates
    Patent number: 5616771
    Abstract: A process for preparing an aryl chloroformate is disclosed that involves the reaction of a phenol with phosgene in the presence of a cyclic urea.
    Type: Grant
    Filed: May 16, 1996
    Date of Patent: April 1, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas-Michael Kahl, Thomas Wettling
  • Crystalline solids having the RUB-13 structure
    Patent number: 5614166
    Abstract: A crystalline solid comprising a boro-, alumino-, gallo-, titano-, vanado- or zincosilicate or a mixture thereof having the RUB-13 structure, which has a monoclinic space group and exhibits an X-ray diffraction pattern in which at least the following reflections (hkl) occur at the stated diffraction angles:______________________________________ h k l Intensity I/I.sub.o d-spacings (d.sub.hkl) ______________________________________ 0 2 0 very strong 10.26 0 1 1 very strong 9.79 -1 3 1 weak 4.98 0 4 1 medium 4.53 -2 0 1 medium 4.52 -1 1 2 medium 4.46 ______________________________________and their uses.
    Type: Grant
    Filed: July 10, 1995
    Date of Patent: March 25, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Hermann Gies, Silke Vortmann, Bernd Marler, Ulrich Muller, Uwe Dingerdissen
  • Selective hydrogenation of aromatic groups in the presence of epoxy groups
    Patent number: 5614646
    Abstract: A process for the selective hydrogenation of aromatic groups of organic molecules carrying at least one aromatic group and one epoxy group with hydrogen in the presence of a ruthenium-containing catalyst, in which the hydrogenation is carried out in the presence of from 0.2 to 10 wt % of water, based on the reaction mixture.
    Type: Grant
    Filed: November 17, 1995
    Date of Patent: March 25, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Wettling, Ludwig Schuster, Jochem Henkelmann
  • Polymers based on conjugated dienes
    Patent number: 5614595
    Abstract: Polymers Ia and Ib carrying functional groups and obtainable byA) 1. hydrogenation of the olefinic double bonds of a polymer IIa comprisinga) from 20 to 100% by weight of a conjugated diene,b) from 0 to 80% by weight of an aromatic vinyl compound, andc) from 0 to 20% by weight of further comonomers,to give the hydrogenated polymer IIb,2. metallation of IIb using an organoalkali metal compound to give IIc,3. reaction of IIc with a diaziridine III to give IId, and4. hydrolysis or alcoholysis of IId to give Ia, or byB) 1. partial hydrogenation of IIa to give a partially hydrogenated polymer IIb',2. epoxidation of the double bonds of IIb' to give IIe, and3. reaction of IIe with a compound IV carrying functional groups, to give Ib,are suitable as viscosity index improvers for engine oils.
    Type: Grant
    Filed: October 16, 1995
    Date of Patent: March 25, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Dietmar Bender, Klaus Bronstert, Helmut Mach, Martin Fischer
  • Process for spinning thermoplastic fibers on a grid spinning system
    Patent number: 5614142
    Abstract: Fibers are made from thermoplastic polymers by supplying solid particles of the thermoplastic to a melting grid; heating the melting grid to a temperature sufficient to melt the thermoplastic; melting the thermoplastic particles on the heated melting grid such that the melted thermoplastic flows through the grid and is collected in a collecting chamber located beneath the melting grid; injecting into the collecting chamber below the melting grid an additive present in a non-aqueous carrier which carrier comprises organic rosin materials and a surfactant; without actuated mechanical stirring, forming a substantially homogeneous mixture from the injected additive; and extruding fibers from the substantially homogeneous mixture.
    Type: Grant
    Filed: November 20, 1995
    Date of Patent: March 25, 1997
    Assignee: BASF Corporation
    Inventors: Robert L. Lilly, Robert H. Blackwell, Charles H. Rogers, Zachary G. Shoaf
  • Process for making multicolor multifilament non commingled yarn
    Patent number: 5613285
    Abstract: The process includes the sequential steps of supplying in a separated side-by-side parallel relationship to a yarn drawing apparatus first multifilament feed yarn and second multifilament feed yarn which are differently colored or colorable with respect to each other; drawing the first feed yarn and the second feed yarn in the yarn drawing apparatus while keeping the first feed yarn and the second feed yarn in a relatively parallel relationship and separate from each other; making a bundle from the first drawn feed yarn and the second drawn feed yarn by simultaneously imparting false twist to the drawn first feed yarn and the drawn second feed yarn without commingling the first and second drawn feed yarns; and texturing the bundle without commingling to make a nontwisted, noncommingled singles yarn displaying two distinct unblended colors.
    Type: Grant
    Filed: November 1, 1994
    Date of Patent: March 25, 1997
    Assignee: BASF Corporation
    Inventors: Roy E. Chester, Andrew M. Coons, III, Hugh G. Harrelson, Jr., Willis M. King, George E. Potter, Carl D. Sanford, Patrick C. Smith, Melvin R. Thompson, Leonard C. Vickery, Jr., Jerry M. Whitfield
  • Metal oxide- and metal-coated carriers for electrophotography
    Patent number: 5614346
    Abstract: Carriers for electrophotography, based on magnetic cores coated with metal oxide and with metal or magnetite, and their preparation and their use for electrophotographic two-component developers.
    Type: Grant
    Filed: January 31, 1995
    Date of Patent: March 25, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Jorg Adel, Rainer Dyllick-Brenzinger
  • Preparation of N-allyl compounds
    Patent number: 5611906
    Abstract: A process for the preparation of N-allyl compounds of the general formula I ##STR1## in which ##STR2## denotes a nitrogen-containing heterocyclic compound, R.sup.1, R.sup.3, and R.sup.4 independently denote hydrogen or C.sub.1 -C.sub.4 alkyl,R.sup.2 denotes hydrogen or methyl,n is equal to 1, 2, 3, or 4, andX denotes a water-solubilizing anion,wherein a compound of formula II ##STR3## is caused to react, in aqueous medium, with a compound of formula III ##STR4## in which A denotes a radical which can be eliminated as an anion. The compounds produced by the process of the invention are very well suited for use as brighteners in nickel electroplating.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 18, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Burkhart, Alfred Oftring, Rudi Widder, Ulrich Schroeder
  • Catalytic decomposition of dinitrogen monoxide
    Patent number: 5612009
    Abstract: A supported silver-containing catalyst for the decomposition of dinitrogen monoxide as pure gas or in admixture with other gases and having an aluminum oxide support which has a specific surface area of from 26 to 350 m.sup.2 /g, and a process for the selective catalytic decomposition of dinitrogen monoxide as pure gas or in admixture with other gases at elevated temperature, in which the said supported catalyst is used.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: March 18, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Fetzer, Wolfgang Buechele, Hermann Wistuba, Claus Witte, Gert Buerger, Guenter Herrmann
  • Process for coating a substrate with coatings including high Tg acrylic polymers and coated article obtained thereby
    Patent number: 5612415
    Abstract: The present invention is a two-component coating composition comprising an acrylic polymer having a T.sub.g between 53.degree. C. and 86.degree. C. and a diisocyanate crosslinker. The crosslinking agent is preferably the isocyanurate of hexamethylene diisocyanate, derivatives thereof, biurets of the isocyanurate of hexamethylene diisocyanate and derivatives thereof. The coating composition exhibits excellent durability and resistance to environmental etch.
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: March 18, 1997
    Assignee: BASF Corporation
    Inventor: Faith S. Loney-Crawford
  • Triazoloquinazolines for the treatment of central nervous disorders
    Patent number: 5612344
    Abstract: The use of triazoloquinazolines for the production of drugs for controlling central nervous disorders is described. The triazoloquinazolines have the formula ##STR1## where R.sup.1, R.sup.2 and X have the meanings stated in the description.
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: March 18, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Schlecker, Hans-J org Treiber, Berthold Behl, Hans P. Hofmann
  • Saxony carpets having fibers formed of modified polyamide blends
    Patent number: 5612112
    Abstract: Disclosed is a fiber-forming polymer blend, comprising:a) a polyamide;b) a miscible amorphous polymer; andc) an immiscible amorphous polymer.
    Type: Grant
    Filed: January 25, 1996
    Date of Patent: March 18, 1997
    Assignee: BASF Corporation
    Inventors: Richard Kotek, Hans-Georg Matthies