Patents Assigned to BASF Aktiengesellschaft
  • Patent number: 4851565
    Abstract: Catalyzed processes for the preparation of aliphatic di- and polyurethanes from aliphatic di- or polyamines, urea, and monofunctional, aliphatic alcohols are disclosed which result in shorter reaction times and/or higher yields than the corresponding uncatalyzed reactions.This is a continuation-in-part of U.S. Application Ser. No. 124,701 filed Nov. 24, 1987, now abandoned, which is a continuation in part of Ser. No. 135,247, filed Mar. 31, 1980, now abandoned, and Ser. No. 879,025 filed June 26, 1986, now U.S. Pat. No. 4,713,476 both applications claiming priority to Federal Republic of Germany application No. 2917493, filed Apr. 30, 1979, which are herein expressly incorporated by reference.
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: July 25, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Merger, Freidrich Towae
  • Patent number: 4851049
    Abstract: Thermostable bismuth vanadate/molybdate pigments are prepared by precipitating onto a pigment, obtained by calcination, of the formulaBi VO.sub.4 .cndot.Bi.sub.2 Mo O.sub.6where n is 0.2-2.5, in aqueous suspension at 70.degree.-100.degree. C. within the pH range from 4 to 9.5 a first SiO.sub.2 -containing layer using an alkali metal silicate solution of a magnesium hexafluorosilicate solution, maintaining the suspension at 70.degree.-100.degree. C. for not less than 1 hour, producing a thick coating on the precoated pigment by adding further alkali metal silicate solution, magnesium hexafluorosilicate solution or a mixture of the two within the pH range from 4 to 9.5, and finally depositing wax on the SiO.sub.2 -containing layer by means of a waxing emulsion/dispersion, the products showing, compared with the starting pigment, an appreciably improved thermal stability in plastics.
    Type: Grant
    Filed: December 9, 1987
    Date of Patent: July 25, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Henning Wienand, Werner Ostertag, Christoph Schwidetzky, Helmut Knittel
  • Patent number: 4851580
    Abstract: A process for the preparation of tertiary alkylamines having a total of up to 9 carbon atoms by reacting a dialkylamine with a C.sub.2 -C.sub.4 -alcohol in the presence of a hydrogenation/dehydrogenation catalyst which contains essentially only copper as the hydrogenating/dehydrogenating catalytic metal is proposed, wherein the reactants(a) are present in the liquid phase,(b) contain alkali metal and/or alkaline earth metal oxides and/or hydroxides and(c) are reacted in a molar ratio of dimethylamine to alcohol of from 1:10 to 10:1 and(d) in the presence of the water formed during the reaction.
    Type: Grant
    Filed: October 31, 1986
    Date of Patent: July 25, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Herbert Mueller, Roman Fischer, Gerhard Jeschek, Willibald Schoenleben
  • Patent number: 4849395
    Abstract: Amorphous metal/magnesium silicates of the general formulaM.sub.x Mg.sub.y (SiO.sub.2).nH.sub.2 O.where M is a divalent, reducible metal atom from the group consisting of Cu, FeII, Co and Ni, x and y are numbers which together can add up to a value of 1.5 and n after drying, expressed in % by weight, ranges from 0 to 80 are prepared by subjecting a freshly precipitated magnesium silicate to an ion exchange, washing the product and then neutralizing it with an alkali and are used in catalytic reactions after the reducible metal in the metal/magnesium silicates has been converted into the metallic state with a reducing gas.
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: July 18, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Laszlo Marosi, Joachim Stabenow, Knut Eger, Matthias Irgang, Guenter Zirker
  • Patent number: 4849126
    Abstract: Detergents contain graft polymers obtainable by grafting(a) polycondensates based on polyesters, polyester urethanes and polyester amides and having in each case a number average molecular weight from 500 to 100,000 with(b) from 0.2 to 10 parts by weight, based on 1 part by weight of the polycondensates, of vinyl esters of saturated C.sub.1 - to C.sub.6 -carboxylic acids, acrylic and/or methacrylic esters of saturated monohydric alcohols containing 1 to 4 carbon atoms.
    Type: Grant
    Filed: April 8, 1988
    Date of Patent: July 18, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Alexander Kud, Wolfgang Trieselt, Heinrich Hartmann
  • Patent number: 4849262
    Abstract: Pigment printing pastes and dyeing liquors containing finely divided solid dispersions of polyisocyanates which have been deactivated on the surface and have a melting point about 25.degree. C. and a particle size of from 0.1 to 15 .mu.m as crosslinking agents in an amount of from 0.1 to 6% by weight.
    Type: Grant
    Filed: September 2, 1987
    Date of Patent: July 18, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Guenter Uhl, Rainer Blum, Horst Belde
  • Patent number: 4849307
    Abstract: The invention relates to a novel photosensitive recording material which can be developed in aqueous solvents after its imagewise irradiation with actinic light and which consists essentially of a dimensionally stable base (A) and of a photosensitive recording layer (B). The said photosensitive recording layer (B) contains from about 48 to about 85% by weight, based on the photosensitive recording layer (B) of one or more elastomeric graft copolymers (B1) which are selected from the group consisting of polyalkylene oxide - vinyl ester - graft copolymers whose vinyl ester structural units have been hydrolyzed to a degree of not less 50 mol.-% from about 0.01 to about 10% by weight, based on the photosensitive recording layer (B), of one or more photoinitiators (B2), and from about 5 to about 30% by weight, based on the photosensitive recording layer (B), of one or more photopolymerizable monomers (B3).
    Type: Grant
    Filed: December 8, 1987
    Date of Patent: July 18, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hoffmann, Horst Koch, Guenther Schulz
  • Patent number: 4847425
    Abstract: 4-isopropylcyclohexylmethanol and its alkyl ethers of the general formula I ##STR1## where R.sup.1 is H or C.sub.1 -C.sub.4 -alkyl, are prepared by a process in which the novel 4-(1-alkoxy-1-methylethyl)-benzaldehyde or its dialkyl acetal of the general formula II ##STR2## where X is oxygen (IIa) or its two R.sup.2 O groups (IIb) and R.sup.2 and R.sup.3 are each C.sub.1 -C.sub.4 -alkyl, is heated to 100.degree.-250.degree. C., preferably 130.degree.-200.degree. C., under a hydrogen pressure of from 50 to 350, preferably from 150 to 300, bar in the presence of a noble metal of group VIII of the Periodic Table.
    Type: Grant
    Filed: May 31, 1988
    Date of Patent: July 11, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Degner, Walter Gramlich, Wolfgang Lengsfeld, Ludwig Schuster
  • Patent number: 4847330
    Abstract: Thermoplastic molding materials contain, as essential components,(A) from 40 to 95% by weight of a nylon and(B) from 5 to 60% by weight of a noncrosslinked copolymer based on(a) from 55 to 79.5% by weight of ethylene,(b) from 20 to 40% by weight of one or more primary or secondary C.sub.2 -C.sub.8 -alkyl esters of acrylic acid or methacrylic acid,(c) from 0.49 to 8% by weight of a monomer having an acid functional group or a latent acid functional group, or of an epoxy-containing monomer of an ethylenically unsaturated monocarboxylic acid, and(d) from 0.01 to 2% by weight of an ethylenically unsaturated dicarboxylic acid or of an anhydride of such an acid.
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: July 11, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Christoph Plachetta, Horst Reimann, Rainer Theysohn, Franz G. Mietzner
  • Patent number: 4847394
    Abstract: 2,2-di-[p-glycidyloxycyclohexyl]-propane is prepared by catalytic hydrogenation by a process in which 2,2-di-[p-glycidyloxyphenyl]-propane is hydrogenated in the presence of a ruthenium catalyst at 20.degree.-60.degree. C. and under a pressure above 100 bar.
    Type: Grant
    Filed: August 6, 1987
    Date of Patent: July 11, 1989
    Assignee: BASF Aktiengesellschaft
    Inventor: Ludwig Schuster
  • Patent number: 4846994
    Abstract: A detergent containing as grayness inhibitor in the wash and aftertreatment of textile material containing synthetic fibers graft polymers obtainable by grafting(a) polyalkylene oxides which have a number average molecular weight of from 300 to 100,000 and are based on ethylene oxide, propylene oxide and/or butylene oxide, with(b) at least one vinyl ester derived from a saturated monocarboxylic acid containing 3 to 6 carbon atoms, a methyl or ethyl ester of (meth)acrylic acid and optionally mixtures of at least one of the monomers mentioned and up to 95% by weight of vinyl acetate in a weight ratio (a):(b) of from 1:02 to 1:10.
    Type: Grant
    Filed: March 31, 1988
    Date of Patent: July 11, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Alexander Kud, Wolfgang Trieselt, Heinrich Hartmann
  • Patent number: 4846995
    Abstract: A detergent containing as grayness inhibitor in the wash and aftertreatment of textile material containing synthetic fibers graft polymers obtainable by grafting(a) a polyalkylene oxide which has a number average molecular weight of from 300 to 100,000, is based on ethylene oxide, propylene oxide and/or butylene oxide, and is end group capped at at least one end, with(b) at least on vinyl ester derived from a saturated monocarboxylic acid containing 1 to 6 carbon atoms and/or a methyl or ethyl ester of acrylic or methacrylic acid in a weight ratio (a):(b) of from 1:0.2 to 1:10.
    Type: Grant
    Filed: March 31, 1988
    Date of Patent: July 11, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Alexander Kud, Wolfgang Trieselt, Heinrich Hartmann
  • Patent number: 4846892
    Abstract: A tetrachloroperylene-3,4,9,10-tetracarboxylic acid diimide pigment which contains not less than 85% by weight of the tetrachloro compound of the formula ##STR1## which is present to the extent of not less than 95% by weight in the .beta.-modification and which, in an X-ray spectrum, exhibits 2.sup..crclbar. CuK.sub..alpha. main lines at 9.0.degree., 13.3.degree., 15.0.degree., 16.8.degree., 19.1.degree., 21.5.degree., 24.2.degree., 25.4.degree., 26.5.degree., 27.0.degree. and 27.5.degree..In finishes, the pigment gives very brilliant colorations which are very highly lightfast and fast to weathering and which, upon weathering, neither bleach nor darken up.
    Type: Grant
    Filed: September 3, 1987
    Date of Patent: July 11, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Georg Henning, Erwin Hahn, Peter Hauser, Manfred Patsch
  • Patent number: 4845247
    Abstract: 3,4-dihydro-2H-pyrans I ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each H or C.sub.1 -C.sub.6 -alkyl and R.sup.3 is not C.sub.2 -C.sub.4 -alkyl when A is COOR.sup.5 and A is COOR.sup.5, .dbd.CHOR.sup.5, in which R.sup.5 is C.sub.1 -C.sub.4 -alkyl, or CH.sub.2 OR.sup.6, in which R.sup.6 is C.sub.1 -C.sub.4 -alkyl or is benzyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, alkoxy or halogen, or is formyl, C.sub.2 -C.sub.4 -alkylcarbonyl or benzoyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, alkoxy or halogen, are prepared by eliminating an alcohol from a 2-alkoxytetrahydropyran II ##STR2## where R.sup.7 is C.sub.1 -C.sub.18 -alkyl and A' is COOR.sup.5, CH(OR.sup.5).sub.2 or CH.sub.2 OR.sup.6, in which R.sup.5 and R.sup.
    Type: Grant
    Filed: July 23, 1987
    Date of Patent: July 4, 1989
    Assignee: Basf Aktiengesellschaft
    Inventors: Wolfgang Spiegler, Norbert Goetz, Manfred Sauerwald, Toni Dockner, Rolf Fischer
  • Patent number: 4845226
    Abstract: A process for the preparation of 8-bromomethyl-3-methylquinoline compounds of the formula I ##STR1## where one of both substituents X are chlorine and, where relevant, the other substituent X is hydrogen, by bromination of the corresponding 8-methylquinoline compound in the presence of a 2-phase mixture of a solvent stable to bromination and of, preferably, buffered water.
    Type: Grant
    Filed: January 21, 1988
    Date of Patent: July 4, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Rolf-Dieter Kohler, Jacques Dupuis
  • Patent number: 4844735
    Abstract: Compounds of the general formula ##STR1## where X is fluorine, chlorine, ethyl or n-propyl, and the salts of these compounds, and herbicides containing the compounds or their salts.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: July 4, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Jahn, Wolfgang Rohr, Rainer Becker, Bruno Wuerzer
  • Patent number: 4845177
    Abstract: Ethylene is polymerized using a Ziegler catalyst system consisting of (1) a titanium catalyst component and (2) an aluminum catalyst component, the component (1) used being the product (VI) which is obtained by a method in which (1.1) first (1.1.1) a carrier (I) and (1.1.2) a solution (II) of (IIa) a solvent, (IIb) a titanium trichloride and (IIc) magnesium chloride are combined with formation of a dispersion (III) and the latter is evaporated down with formation of an intermediate (IV), and (1.2) then (1.2.2) the intermediate (IV) obtained from (1.1), and (1.2.2) an aluminum component (V) consisting of (1.2.2.1) a complex of a certain oxacycloalkane and a certain aluminum compound and (1.2.2.2) if necessary, a certain free aluminum compound are combined, the resulting product (VI) being the catalyst component (1). In this process, a component (1) is employed which has been prepared using, in (1.1) under (1.1.
    Type: Grant
    Filed: October 14, 1987
    Date of Patent: July 4, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Heinz Vogt, Eckard Schauss, Guenther Schweier
  • Patent number: 4844729
    Abstract: Substituted N-phenylpyridazone derivatives of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkylthio, C.sub.1 -C.sub.4 -alkylsulfinyl, C.sub.1 -C.sub.4 -alkylsulfonyl, halogen, cyano, phenyl, phenoxy, or phenylthio and Z is a straight-chain, saturated alkylene group of 1 to 5 carbon atoms, herbicides containing these compounds, and a process for combating the growth of unwanted plants.
    Type: Grant
    Filed: May 28, 1987
    Date of Patent: July 4, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Becker, Ulrich Wriede, Ulrich Schirmer, Adolf Parg, Bruno Wuerzer, Norbert Meyer
  • Patent number: 4844934
    Abstract: Water-disperable carotenoid formulations are prepared by dissolving the carotenoid in a carrier oil at elevated temperatures until saturation is achieved, rapidly emulsifying the solution with an aqueous protective colloid and then removing the water, by a process in which the protective colloid used is a mixture of an ester of a long-chain fatty acid with ascorbic acid and a starch product which is soluble in cold water.The produce can be used for coloring foods and is stable to creaming.
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: July 4, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Erik Lueddecke, Dieter Horn
  • Patent number: 4845223
    Abstract: The novel compounds of the general formula ##STR1## where R.sup.1 and R.sup.2 are identical or different aliphatic, cycloaliphatic, aromatic or heterocyclic radicals which are free of groups which impart water solubility,X, Y and Z are each chlorine, bromine or a radical OR.sup.3 andR.sup.3 is unsubstituted or substituted phenyl, naphthyl or anthryl,are very useful as fluorescent dyes in organic material.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: July 4, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Guenther Seybold, Andreas Stange