Patents Assigned to BASF
  • Patent number: 5360474
    Abstract: Colored crystalline alumophosphates and/or silicoalumophsophates of the AEL or VFI type useful as dyes, optical elements and as adsorbents have the following X-ray diffraction diagram:______________________________________ Interplanar spacing Relative intensity d(A) I/I.sub.o .times. 100 ______________________________________ 10.91 .+-. 0.1 26 .+-. 10 9.19 .+-. 0.1 41 .+-. 10 6.79 .+-. 0.05 16 .+-. 10 5.57 .+-. 0.05 52 .+-. 10 4.39 .+-. 0.05 39 .+-. 10 4.18 .+-. 0.05 71 .+-. 10 4.09 .+-. 0.05 33 .+-. 10 3.98 .+-. 0.05 57 .+-. 10 3.86 .+-. 0.05 68 .+-. 10 3.81 .+-. 0.05 100 ______________________________________and a composition described by the following formula:a quinizarin.b Al.sub.2 O.sub.3.c P.sub.2 O.sub.5.d SiO.sub.2where a is from 0.05 to 2, b and c are each from 8 to 12, and d is from 0 to 4.
    Type: Grant
    Filed: September 16, 1992
    Date of Patent: November 1, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Guenter Lauth, Ulrich Mueller, Wolfgang Hoelderich, Stefan Brode, Gerhard Wagenblast
  • Patent number: 5360905
    Abstract: A process for recovering caprolactam from oligomers and/or polymers of caprolactam comprises the following steps:a) treating oligomers and/or polymers of caprolactam with from 1 to 20 parts by weight of water per part by weight of oligomer or polymer at from 200.degree. to 350.degree. C. under superatmospheric pressure with a residence time of from 0.5 to 10 hours to form an aqueous reaction mixture comprising polycaprolactam, monomeric caprolactam and oligomers thereof, andb) passing the aqueous reaction mixture obtained in a) into a fluidized bed of alumina at from 250.degree. to 400.degree. C. to obtain a mixture of steam and caprolactam.
    Type: Grant
    Filed: May 14, 1993
    Date of Patent: November 1, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Hugo Fuchs, Claus-Ulrich Priester, Gerald Neubauer, Erwin Brunner, Josef Ritz, Michael Kopietz
  • Patent number: 5360644
    Abstract: A coated article is described comprising a substrate having thereon a color-plus-clear composite coating wherein(a) the color layer of the composite coating is derived from a coating composition comprising:(1) a polymer component having active hydrogen-containing groups thereon,(2) an aminoplast curing agent,(3) an acid cure catalyst, and(4) an amine selected from the group consisting of substituted or unsubstituted pyridine or a substituted or unsubstituted N-alkyl primary amine, and(b) the clear layer of the composite coating is derived from a curable coating composition comprising an epoxy-functional component and an acid-functional or anhydride-functional component.
    Type: Grant
    Filed: December 15, 1992
    Date of Patent: November 1, 1994
    Assignee: BASF Corporation
    Inventors: Rodney L. Briggs, Donald H. Campbell, Mark R. Montagne
  • Patent number: 5359199
    Abstract: A process for the specific, location-selective and time-stable modification of surfaces of solids in the nanometer range without destruction of the atomic order of the surface at the location of the structure or in the vicinity thereof, where a local delamination is caused at the surface of solids having a layered structure due to the action of a local probe. This process is used for the storage of information.
    Type: Grant
    Filed: August 4, 1992
    Date of Patent: October 25, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Harald Fuchs, Thomas Schimmel
  • Patent number: 5359082
    Abstract: A process for the preparation of 4-substituted imidazoles of the general formula ##STR1## in which R denotes C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.20 cycloalkyl, aryl, and C.sub.7 -C.sub.20 aralkyl,whereina) N-formyl-.alpha.-aminonitriles of the general formula I ##STR2## in which R has the meanings stated above and A stands for carbonyl, are reacted, at a temperature ranging from 20.degree. to 200.degree. C. and a pressure ranging from 20 to 500 bar, with hydrogen in the presence of hydrogenation catalysts andb) the resulting N-formyl-1,2-diamines of the general formula ##STR3## in which R and A have the meanings stated above and n stands for 0 or 1, are reacted over a cyclization/dehydrogenation catalyst at a temperature ranging from 200.degree. to 600.degree. C. and a pressure ranging from 0.001 to 5 bar.
    Type: Grant
    Filed: March 23, 1993
    Date of Patent: October 25, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulrich Koehler, Thomas-Michael Kahl, Horst Neuhauser, Hardo Siegel, Michael Kroener
  • Patent number: 5359062
    Abstract: Caprolactam is recovered from polycaprolactam by hydrolyric cleavage of polycaprolactam with from 5 to 50 parts by weight of water per part by weight of polycaprolactam at from 200.degree. to 350.degree. C. under superatmospheric pressure to give an aqueous solution or suspension which contains monomeric caprolactam and oligomers thereof and may contain polycaprolactam and subsequent isolation of monomeric caprolactam from the aqueous solution or suspension by distillation or extraction, by a process in which the hydrolyric cleavage is carried out in the presence of an alkali metal hydroxide at a pH of from 5 to 10.
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: October 25, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Hugo Fuchs, Gerald Neubauer, Josef Ritz, Claus-Ulrich Priester
  • Patent number: 5359122
    Abstract: The preparation of 3-arylacrylic acids and their derivatives I ##STR1## where Ar is aryl which can additionally have substituents which do not react with ketene and are stable under the conditions of the reaction described below, andR.sup.1 is hydrogen, an alkali metal, an alkaline earth metal, ammonium or C.sub.1 -C.sub.20 -alkyl,comprises a first stage in which a dialkyl acetal of an aromatic aldehyde of the formula II ##STR2## where R.sup.2 is C.sub.1 -C.sub.4 -alkyl, is reacted with ketene of the formula CH.sub.2 .dbd.C.dbd.O in the presence of catalytic amounts of a protic or Lewis acid to give a 3-arylpropionic acid derivative of the formula III ##STR3## and a second stage in which this intermediate III is reacted in the presence of acid or base and, in the case where R.sup.1 is C.sub.1 -C.sub.20 -alkyl, additionally with a C.sub.1 -C.sub.20 -alkanol to give the final product I.
    Type: Grant
    Filed: February 8, 1994
    Date of Patent: October 25, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Huellmann, Josef Gnad, Rainer Becker
  • Patent number: 5359094
    Abstract: A process for the preparation of glyceryl carbonate by causing glycerol to react with carbon monoxide and oxygen in the presence of a Group Ib, Group IIb, or Group VIIIb catalyst as per the Periodic Table at temperatures ranging from 0.degree. to 180.degree. C.
    Type: Grant
    Filed: July 29, 1993
    Date of Patent: October 25, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Joaquim H. Teles, Norbert Rieber, Wolfgang Harder
  • Patent number: 5358968
    Abstract: Substituted oxime ethers of the general formula I ##STR1## where R.sup.1 is alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, alkoxyalkyl, cycloalkyl, cycloalkylalkyl, cyanoalkyl, alkoxycarbonylalkyl, arylalkyl, heteroarylalkyl, arylalkenyl or aryloxyalkyl, the aromatic or heteroaromatic ring being substituted or unsubstituted,R.sup.2 and R.sup.3 are hydrogen, alkyl, haloalkyl, alkoxy, haloalkoxy, halogen, cyano or nitro,R.sup.4 is hydrogen, alkyl, cycloalkyl, haloalkyl or aryl, the aromatic ring being substituted or unsubstituted, andR.sup.5 and R.sup.6 are identical or different and each is hydrogen or alkyl, andX is CH or N, and fungicides and pesticides containing these compounds.
    Type: Grant
    Filed: July 15, 1993
    Date of Patent: October 25, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Oberdorf, Hubert Sauter, Wassilios Grammenos, Reinhard Kirstgen, Volker Harries, Gisela Lorenz, Eberhard Ammermann, Randall E. Gold, Wolfgang Siegel, Albrecht Harreus
  • Patent number: 5358998
    Abstract: Aqueous polymer dispersions containing polymers obtainable by free-radical polymerization of unsaturated monomers, and sugared starch, and the use thereof.
    Type: Grant
    Filed: October 7, 1992
    Date of Patent: October 25, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Kurt Wendel, Thomas Schwerzel, Guenter Hirsch
  • Patent number: 5356670
    Abstract: A coated article is described comprising a substrate having thereon a color-plus-clear composite coating wherein(a) the color layer of the composite coating is derived from a coating composition comprising:(1) a polymer component having active hydrogen-containing groups thereon,(2) an aminoplast curing agent,(3) an acid cure catalyst, and(4) a substituted or unsubstituted alkyl amine having at least one alkyl substituent of at least 8 carbon atoms, and(b) the clear layer of the composite coating is derived from a curable coating composition comprising an epoxy-functional component and an acid-functional or anhydride-functional component.
    Type: Grant
    Filed: December 15, 1992
    Date of Patent: October 18, 1994
    Assignee: BASF Corporation
    Inventors: Rodney L. Briggs, Donald H. Campbell, Mark R. Montagne
  • Patent number: 5356901
    Abstract: Benzofurancarboxamides having basic substituents, of the formula I ##STR1## in which R.sup.1 and X have the meanings stated in the description, a process for the preparation thereof, and therapeutic agents containing them.
    Type: Grant
    Filed: February 16, 1993
    Date of Patent: October 18, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Schlecker, Hans-Juergen Teschendorf, Liliane Unger
  • Patent number: 5356860
    Abstract: Abstract of the Disclosure: Styrene derivatives I ##STR1## where R.sup.1 is H or halogen, R.sup.2 is halogen, R.sup.3 is H, halogen or C.sub.1 -C.sub.4 -alkyl, R.sup.4 is CN or C.sub.1 -C.sub.6 -alkylcarbonyl and A is a heterocyclic radical A.sub.1 to A.sub.5 : ##STR2## where R.sup.5 and R.sup.6 are H, CH.sub.3 or C.sub.2 H.sub.5, n is 0 or 1 and X is oxygen or sulfur, with the proviso that R.sup.4 is alkylcarbonyl when R.sup.1 is H and at the same time A is A.sub.2 where n is 0, and agriculturally useful salts thereof, processes for the preparation of the styrene derivatives I and herbicides containing them.
    Type: Grant
    Filed: May 14, 1993
    Date of Patent: October 18, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Schaefer, Lothar Rueb, Peter Schaefer, Karl-Otto Westphalen, Matthias Gerber, Helmut Walter
  • Patent number: 5356931
    Abstract: Alpha-Arylacrylic acid derivatives of the general formula I ##STR1## where X is ethylene or ethenylene; n is 0 or 1;m is 0, 1, 2, 3 or 4;R.sup.1 is cyano, cyanato, thiocyanato, nitro, hydroxyl, carboxyl, haloalkyl, haloalkoxy, unsubstituted or substituted cycloalkyl, cycloalkenyl, cycloalkadienyl, alkenyl, alkynyl or amino, alkylcarbonyl, alkoxycarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, unsubstituted or substituted benzyloxycarbonyl, benzoyl, phenylalkyl, phenylalkoxy or phenoxyalkyl,or R.sup.1 together with one of the radicals R.sup.2 forms an unsubstituted or substituted 1,3-butadiene-1,4-diyl group or an unsubstituted or substituted chain consisting of carbon members and an oxygen member, andR.sup.2 is halogen, unsubstituted or substituted alkyl, alkoxy, alkenyloxy, alkynyloxy, alkadienyloxy, benzyloxy or benzylthio, are used for controlling pests.
    Type: Grant
    Filed: January 4, 1993
    Date of Patent: October 18, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhard Kirstgen, Rainer Otter, Christoph Kuenast, Uwe Kardorff, Wolfgang Steglich, Gunda Bertram
  • Patent number: 5356938
    Abstract: Cured aminoplast resins are recycled by a process in which said resins, which may contain fillers, are treated with an aqueous sulfite, hydrogen sulfite or disulfite solution and the resulting low molecular weight degradation products are used in chemical processes. The resulting low molecular weight degradation products of cured aminoplast resins are used for coating moldings, for tanning leather and skins and for the production of moldings which contain cured aminoplast resins or consist thereof.
    Type: Grant
    Filed: February 15, 1994
    Date of Patent: October 18, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Juergen Weiser, Wolfgang Reuther, Erwin Hahn
  • Patent number: 5356968
    Abstract: A coating agent comprises an emulsion polymer obtained by free radical emulsion polymerization of a monomer mixture ofA) from 15 to 60% by weight of an acrylic or methacrylic ester having a primary or secondary C.sub.1 -C.sub.18 -alkyl group, as alcohol radical,B) from 15 to 50% by weight of an acrylic or methacrylic ester having tertiary C.sub.4 -C.sub.8 -alkyl group or a C.sub.6 -C.sub.12 -radical that is an alicyclic or aromatic group as alcohol group a methacrylic ester having a primary or secondary C.sub.2 -C.sub.4 -alkyl group as alcohol radical, acrylo- or methacrylonitrile, acryl- or meth-acrylamide, a vinyl ester of a C.sub.1 -C.sub.8 - carboxylic acid,C) from 10 to 50% by weight of one or more C.sub.8 -C.sub.12 - aromatic vinyl compounds,D) from 8 to 20% by weight of an olefinically unsaturated C.sub.3 -C.sub.5 -mono- or C.sub.4 -C.sub.8 -dicarboxylic acid or anhydride, andE) from 0 to 5% by weight of further copolymerizable monomers having functional groups in the presence of from 0.
    Type: Grant
    Filed: January 12, 1993
    Date of Patent: October 18, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Robert Rupaner, Michael W. Mueller, Maximilian Angel, Klaus Boehlke
  • Patent number: 5356511
    Abstract: A process for producing a polymer/metal or polymer/semiconductor composite having an adhesive layer between the polymer and the metal or between the polymer and the semiconductor in which a layer of at least two different chemical elements is applied to the metal or semiconductor by vapor-deposition or cathode sputtering, then selectively or partially removing at least one chemical element of this layer in an etching process, and then applying the polymer.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: October 18, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Hoessel, Klaus Harth, Gerhard Hoffmann, Hartmut Hibst
  • Patent number: 5357006
    Abstract: A process for the preparation of recyclate polyols obtained by glycolysis of polyurethanes and/or polyurea-polyurethanes comprises metering in monofunctional and/or difunctional glycidyl ethers over the entire course of the reaction; the low-amine recyclate polyols obtained in this way are used for the preparation of cellular or noncellular polyurethanes.
    Type: Grant
    Filed: October 7, 1993
    Date of Patent: October 18, 1994
    Assignee: BASF Schwarzheide GmbH
    Inventors: Michael Gassan, Bernhard Naber, Vera Neiss, Peter Moeckel, Wolfgang Weissflog
  • Patent number: 5357021
    Abstract: Novel reactive carbodiimide compounds and their method of preparation are disclosed. These reactive carbodiimide compounds are especially useful in automotive paint compositions and more particularly in low volatile organic content (VOC) automotive paint compositions.
    Type: Grant
    Filed: July 21, 1993
    Date of Patent: October 18, 1994
    Assignee: BASF Corporation
    Inventors: Anthony J. Tye, George G. Beck, Patrick J. Mormile
  • Patent number: 5356959
    Abstract: Epoxy resins obtainable by reactingA) a polyfunctional epoxide, which carries on average 1.5 to 2.5 epoxy groups per molecule and has an epoxide equivalent weight of from 100 to 2000, with based on 1 mol of epoxy groupsB) from 0.1 to 0.5 mol of an alkylphenol, the alkyl groups of which carry from 6 to 20 carbon atoms, andC) from 1 to 100 mmol of a polyoxyalkylenediol obtained from 1,2-propylene oxide, or of a copolymer obtained from 1,2-propylene oxide and other alkylene oxides, which has an average molecular weight of from 200 to 5000 and, on average, from 1 to 4 sulfonic acid groups bonded to methyl groups per molecule, and alsoD) from 0.2 to 0.3 mol of a diol, which isd1) a phenolic diol and/ord2) a polyoxyalkylenediol which has an average molecular weight of from 200 to 5000,with the proviso that the reaction product has an epoxide equivalent weight of from 1000 to 5000, can be converted to pigment resins suitable for electrodeposition coating and pigment pastes can then be prepared from said resins.
    Type: Grant
    Filed: July 27, 1993
    Date of Patent: October 18, 1994
    Assignee: BASF Lacke & Farben Aktiengesellschaft
    Inventors: Klaus Huemke, Christian Sinn