Patents Assigned to BASF
  • Patent number: 5290755
    Abstract: Salicylic acid derivatives and sulfur analogs thereof of the formula I, ##STR1## wherein the substituents are herein below defined.
    Type: Grant
    Filed: August 4, 1992
    Date of Patent: March 1, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Uwe J. Vogelbacher, Joachim Rheinheimer, Thomas Saupe, Norbert Meyer, Matthias Gerber, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 5290792
    Abstract: Azolylmethylspiro[2.5]octanols of the formula ##STR1## where A and R are each hydrogen or alkyl;D is alkyl, cycloalkyl, cycloalkenyl, biphenylyl, naphthyl, hetaryl or phenyl, it being possible for each of these radicals to be substituted;Z is CH.sub.2 or O,X is CH or N, and the plant-compatible acid addition salts and metal complexes thereof are used as or in fungicides.
    Type: Grant
    Filed: October 4, 1991
    Date of Patent: March 1, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Seele, Norbert Goetz, Gisela Lorenz, Eberhard Ammermann
  • Patent number: 5290832
    Abstract: A molding based on finely divided organic and/or inorganic materials containing, as binder, the solid component of an aqueous polymer dispersion which is obtainable by polymerizing unsaturated monomers which can be polymerized by means of free radicals in the aqueous phase in the presence of a monosaccharide, oligosaccharide, polysaccharide, oxidatively, hydrolytically and/or enzymatically degraded polysaccharide, chemically modified monosaccharide, oligosaccharide or polysaccharide, or a mixture of the said compounds, by the process of free-radical aqueous emulsion polymerization.
    Type: Grant
    Filed: October 7, 1992
    Date of Patent: March 1, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Schwerzel, Kurt Wendel, Thomas Anselmann, Ruediger Fuessl
  • Patent number: 5290741
    Abstract: This invention relates to methods of preserving, storing, and using hydroxylamine production catalyst and, more particularly, to methods of preparing, storing, and using such catalyst in substantially oxygen free environments.
    Type: Grant
    Filed: September 4, 1990
    Date of Patent: March 1, 1994
    Assignee: BASF Corporation
    Inventor: Thomas P. Losier
  • Patent number: 5290469
    Abstract: The present invention provides an antifreeze/coolant composition with polymeric polycarboxylates which reduces the corrosion rate of heat rejecting aluminum, and is effective at relatively low concentrations.
    Type: Grant
    Filed: July 23, 1991
    Date of Patent: March 1, 1994
    Assignee: BASF Corporation
    Inventors: David E. Turcotte, John J. Conville, James T. Lyon, Stanley T. Hirozawa, Shrikant V. DeSai
  • Patent number: 5290742
    Abstract: This invention relates to methods of preserving, storing, and using hydroxylamine production catalyst and, more particularly, to methods of preparing, storing, and using such catalyst in substantially oxygen free environments.
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: March 1, 1994
    Assignee: BASF Corporation
    Inventor: Thomas P. Losier
  • Patent number: 5290819
    Abstract: Bead-form expandable styrene polymers are obtained by suspension polymerization of styrene with addition of from 1 to 10% by weight of C.sub.3 - to C.sub.7 -hydrocarbons and/or carbon dioxide as blowing agent and, if desired, conventional additives, using, as suspension stabilizer, a mixture of magnesium pyrophosphate, a sulfonate group-containing extender and an alkali metal carboxylate or alkaline earth metal carboxylate, the magnesium pyrophosphate being prepared immediately before the polymerization by combining an aqueous solution of alkali metal pyrophosphate with at least the stoichiometrically necessary amount of a magnesium salt.
    Type: Grant
    Filed: June 17, 1993
    Date of Patent: March 1, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Witt, Manfred Walter
  • Patent number: 5290932
    Abstract: Amines of the general formula I ##STR1## where R.sup.1 and R.sup.2 are each C.sub.1 -C.sub.20 -alkyl, C.sub.3 -C.sub.20 -cycloalkyl, C.sub.4 -C.sub.20 -alkylcycloalkyl, C.sub.4 -C.sub.20 -cycloalkylalkyl, aryl, C.sub.7 -C.sub.20 -alkylaryl, C.sub.7 -C.sub.20 -aralkyl or a heterocyclic radical and n is an integer of from 3 to 7, are prepared by a process in which a ketone of the general formula II ##STR2## where R.sup.1 and R.sup.2 have the abovementioned meanings, is reacted with a cyclic amine of the general formula III ##STR3## where n has the abovementioned meanings, in the presence of a zeolite and/or SiO.sub.2 having a zeolite structure and/or a phosphate and/or a phosphate having a zeolite structure as catalysts at from 50.degree. to 500.degree. C. and from 0.01 to 50 bar.
    Type: Grant
    Filed: October 30, 1992
    Date of Patent: March 1, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Uwe Dingerdissen, Wolfgang Hoelderich
  • Patent number: 5290468
    Abstract: The present invention provides an antifreeze/coolant additive comprising polymeric polycarboxylates which prevents hard water precipitants and scale formation, is soluble in alcohol and alcohol/water mixtures, is compatible with other commonly used antifreeze/coolant components, does not corrode or damage automotive cooling systems and is effective at relatively low concentrations.
    Type: Grant
    Filed: July 23, 1991
    Date of Patent: March 1, 1994
    Assignee: BASF Corporation
    Inventors: David E. Turcotte, John J. Conville, James T. Lyon, Richard J. Holland, Stanley T. Hirozawa
  • Patent number: 5288911
    Abstract: Preparation of .alpha.,.omega.-aminoalcohols of the general formula IHO--CH.sub.2 --X--CH.sub.2 --NH.sub.2 (I),in which x denotes a C.sub.1 -C.sub.20 -alkylene chain optionally substituted by inert radicals and/or optionally interrupted by oxygen or nitrogen,by the reaction of .alpha.,.omega.-alkanediols of the general formula IIHO--CH.sub.2 --X--CH.sub.2 --OH (II),in which the connecting member x has the meanings stated above, with ammonia and a catalyst at a temperature ranging from 150.degree. to 300.degree. C. and under a pressure of from 50 to 300 bar, wherein the catalyst used is one whose catalytically active material consists of iron to an extent of from 5 to 100% w/w.
    Type: Grant
    Filed: April 22, 1992
    Date of Patent: February 22, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Koppenhoefer, Wolfgang Schroeder, Dieter Voges
  • Patent number: 5288767
    Abstract: A two-component adhesive composition for the chemical fixing technique comprises a radical-curable synthetic resin having a viscosity of from 100 to 10 000 mPa.s at 23.degree. C. and spatially separated therefrom--a curing agent of the synthetic resin. The synthetic resin contains as binder a di(meth)acrylate of an alkoxylated bisphenol. The adhesive composition is for use in fixing anchor bolts, screws and plugs in drilled holes.
    Type: Grant
    Filed: September 21, 1992
    Date of Patent: February 22, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Edwin Cramer, Dankmar Scholz
  • Patent number: 5288766
    Abstract: Stable urea group-containing dispersions are obtained in situ by reacting carbon dioxide with an amine in the presence of a continuous phase carrier. These amine/carbon dioxide condensation adducts dispersed in the carrier are employed in the formation of polyurethane foams, polyurethane elastomers and coatings, and polyurethane microcellular foams.
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: February 22, 1994
    Assignee: BASF Corporation
    Inventors: Thirumurti Narayan, Michael G. Kinnaird
  • Patent number: 5288356
    Abstract: A coated article comprises an outer, coated metal veneer coated with at least one coating selected from primer coatings, pigmented topcoat coatings, pigmented basecoat coatings and outer clear topcoat coating, the coated metal veneer being affixed to an underlying substrate having substantially the same shape as the coated veneer.The coated articles are particularly useful as body parts such as doors, hoods, trunk and roof panels, fenders, and rocker panels of automobile and truck bodies.A method of manufacturing the coated articles is also disclosed.
    Type: Grant
    Filed: August 7, 1991
    Date of Patent: February 22, 1994
    Assignee: BASF Corporation
    Inventor: James W. Benefiel
  • Patent number: 5288824
    Abstract: Polymers of propene are prepared using a Ziegler-Natta catalyst system comprising (1) titanium component which is based on a finely divided, shape-imparting silica gel and contains titan- ium, magnesium, chlorine and a benzenecarboxylic acid derivative, (2) an aluminum component and (3) a silane component. The process employs a titanium component (1) which is obtained by a method in which (1.1) first (I) a carrier is prepared from (Ia) a silica gel which has a relatively high moisture content, (Ib) an organomagnesium compound and (Ic) a gaseous chlorinating agent in a manner such that (1.1.1) first (Ia) is reacted with (Ib), (1.1.2) then (Ic) is passed into the mixture obtained from (1.1.1), (1.2) then a solid-phase intermediate is prepared from (I), (II) an alkanol, (III) titanium tetrachloride and (IV) a phthalic acid derivative in a manner such that (1.2.1) first (I) is reacted with (II), (1.2.2) then (III) is introduced into the mixture resulting from (1.2.
    Type: Grant
    Filed: August 25, 1992
    Date of Patent: February 22, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Juergen Kerth, Rainer Hemmerich, Peter Koelle, Patrik Mueller
  • Patent number: 5288549
    Abstract: A composite element which comprises an elastic, cellular top layer (A) and a rigid base layer (B) of thermoplastic polyurethanes, the polyurethane elastomer (B) of the base layer being prepared by reactingBa) 1 mol of at least one essentially linear, relatively high-molecular-weight polyesterol or polyetherol,Bb) from 6 to 15 mol of an organic diisocyanate, preferably 4,4'-diphenylmethane diisocyanate, andBc) from 5 to 14 mol of at least one alkanediol or dialkylene glycol,in the presence ofBd) from 0.05 to 0.3% by weight, based on the total weight of (Ba) to (Bc), of water, and, if desired,Be) a catalyst, andBf) assistants and/or additives, is used as a cushioned fitting for vehicles.
    Type: Grant
    Filed: March 9, 1992
    Date of Patent: February 22, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Zeitler, Thomas Friedl
  • Patent number: 5288419
    Abstract: The present invention provides an antifreeze/coolant composition with polymeric polycarboxylates which resists cavitation erosion-corrosion of aluminum and aluminum alloys, is effective at relatively low concentrations and at varying pH.
    Type: Grant
    Filed: July 23, 1991
    Date of Patent: February 22, 1994
    Assignee: BASF Corporation
    Inventors: David E. Turcotte, James T. Lyon, John J. Conville, Shrikant V. DeSai, Stanley T. Hirozawa
  • Patent number: 5288697
    Abstract: Thin protective polyimide layers are produced on ceramic or high temperature superconductors by applying polyimide solutions, polyamic acids or starting substances therefor to the superconductor surface and imidating or drying in an oxygen atmosphere.
    Type: Grant
    Filed: May 6, 1992
    Date of Patent: February 22, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Schrepp, Hans-Joachim Haehnle, Michael Grunze
  • Patent number: 5286823
    Abstract: A process for preparing highly reactive polyisobutenes with a content of terminal vinylidene groups of more than 80 mol % and an average molecular weight of 500-5000 Dalton by the cationic polymerization of isobutene or isobutene-containing hydrocarbon feeds in liquid phase with the aid of boron trifluoride as catalyst and at from 0.degree. C. to -60.degree. C., comprises polymerizing in the presence of secondary alcohols with 3-20 carbon atoms and/or ethers with 2-20 carbon atoms.
    Type: Grant
    Filed: June 22, 1992
    Date of Patent: February 15, 1994
    Assignee: BASF Aktiengesellschaft
    Inventor: Hans P. Rath
  • Patent number: 5286801
    Abstract: Emulsion graft copolymers composed ofa) 2-10% by weight of a core composed of80-99.99% by weight of methyl methacrylate (I),0.01-5% by weight of allyl methacrylate (II),0-19.99% by weight of other monofunctional comonomers (III) and0-3% by weight of other di- or polyfunctional comonomers (IV),b) 15-50% by weight of a first shell composed of60-89.99% by weight of a C.sub.1 -C.sub.20 -alkyl acrylate (V),10-39.99% by weight of a vinylaromatic monomer (VI),0.01-5% by weight of II,0-10% by weight of I and/or III,0-3% by weight of IV,c) 5-20% by weight of a second shell with a composition as indicated under (a),d) 15-50% by weight of a third shell with a composition as indicated under (b),e) 15-30% by weight of a fourth shell composed of80-99.95% by weight of I,0.05-2% by weight of a regulator (VII) and0-19.95% by weight of III,are suitable as additives to increase the impact strength of thermoplastic compositions.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: February 15, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Siegmund Besecke, Daniel Wagner, Wilfried Schoen, Karl-Ludwig Endlich
  • Patent number: 5286401
    Abstract: Heterocyclic compounds which are useful as bleach activators or optical brighteners in washing and cleaning agents have the formula ##STR1## where the variables have the following meanings: X is O, S or the group N--R.sup.3, where R.sup.3 is hydrogen, C.sub.1 -C.sub.25 -alkyll C.sub.1 -C.sub.25 -acyl or an aryl group of up to12 carbon atoms,Y is CH or N,R.sup.1 for X=S or N--R.sup.3 is hydrogen, a C.sub.1 -C.sub.25 -alkyl or C.sub.2 -C.sub.25 -alkenyl group or a phenyl radical which may be additionally substituted by one or two C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, hydroxyl, carboxyl, sulfo, amino, C.sub.1 -C.sub.4 -acylamino, nitro or cyano groups or chlorine or bromine atoms, which substituents, if there are two of them, may be identical or different,R.sup.1 for X=O is phenyl, o-, m- or p-tolyl, p-chlorophenyl, m-nitrophenyl, m-methoxyphenyl or m-methylsulfonylphenyl,R.sup.2 for X=S or N--R.sup.3 is hydrogen, a C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.
    Type: Grant
    Filed: March 3, 1992
    Date of Patent: February 15, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernhard Dung, Wolfgang Trieselt, Erwin Hahn, Johannes Perner, Alfred Oftring