Patents Assigned to BASF
  • Process for reinforced reaction injection molding of polyurethanes
    Patent number: 4381352
    Abstract: A reinforced reaction injection molding of polyurethanes is prepared by reacting an organic polyisocyanate, a polyoxyalkylene polyether polyol, a chain extending agent, a catalyst, optionally a blowing agent and glass fibers. The glass fibers form a stabilized dispersion in the polyol by employing as a suspending agent the reaction product of a polyamine and a polyester.
    Type: Grant
    Filed: August 12, 1981
    Date of Patent: April 26, 1983
    Assignee: BASF Wyandotte Corporation
    Inventor: Robert L. McBrayer
  • Preparation of caffeine
    Patent number: 4380631
    Abstract: Caffeine is prepared from theophylline, carbon monoxide and methanol.
    Type: Grant
    Filed: March 19, 1982
    Date of Patent: April 19, 1983
    Assignee: BASF Aktiengesellschaft
    Inventor: Kaspar Bott
  • Simultaneous preparation of pyrazole and triazoles
    Patent number: 4380642
    Abstract: A process for the simultaneous preparation of pyrazole and triazoles by reacting a triazoline compound with a basic compound and then oxidizing the product with hydrogen peroxide.The triazoles and pyrazole obtainable by the process of the invention are valuable starting materials for the preparation of dyes, pesticides and drugs.
    Type: Grant
    Filed: July 17, 1981
    Date of Patent: April 19, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Norbert Rieber, Rolf Platz, Werner Fuchs
  • Dyeing and printing of cellulose-containing textile material
    Patent number: 4380452
    Abstract: A process for dyeing and printing cellulose-containing textile material, wherein the dye used is a compound of the general formula I ##STR1## where K is the radical of a coupling component of the pyridone, pyrazole or indole series,one of the radicals X, Y and Z is a carboxylic acid ester group of a total of 2 to 19 carbon atoms, a carboxamide group of a total of 1 to 19 carbon atoms, an unsubstituted or substituted sulfonic acid phenyl ester group or a sulfonamide group of a total of 6 to 18 carbon atoms, andthe remaining substituents X, Y and Z are hydrogen, methyl, chlorine, bromine or nitro.
    Type: Grant
    Filed: July 29, 1981
    Date of Patent: April 19, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Hermann Loeffler, Werner Juenemann, Gunther Lamm
  • Preparation of optical brighteners
    Patent number: 4380514
    Abstract: A process for the preparation of unsymmetrically substituted optical brighteners of the general formula ##STR1## where X and Y independently of one another are hydrogen, fluorine, chlorine, cyano, C.sub.1 -C.sub.10 -alkoxycarbonyl, unsubstituted or substituted carbamyl or sulfamyl, a sulfonic acid aryl ester group, C.sub.1 -C.sub.10 -alkylsulfonyl or phenylsulfonyl, and at least one of X and Y is not hydrogen, and of mixtures of such optical brighteners, wherein terephthalaldehyde is reacted successively with a compound of the general formula IIa ##STR2## and a compound of the general formula IIb ##STR3## where X and Y have the above meanings and alkyl is preferably C.sub.1 -C.sub.4 -alkyl, in the presence of an alkali, in a solvent from which the monocondensation product precipitates.
    Type: Grant
    Filed: December 8, 1980
    Date of Patent: April 19, 1983
    Assignee: BASF Aktiengesellschaft
    Inventor: Guenther Seybold
  • Azole compounds, their preparation, their use for crop treatment, and agents for this purpose
    Patent number: 4380546
    Abstract: Azole compounds of the formula ##STR1## where X is hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, trifluoromethyl or phenyl and m is an integer from 1 to 5, and, if m is greater than 1, the X's can be identical or different, n is an integer from 2 to 5, Z is N or CH and Y is CO or CR.sup.1 OR.sup.2, where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl and R.sup.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.4 -alkenyl, C.sub.2 -C.sub.4 -alkynyl or C.sub.1 -C.sub.4 -alkanoyl, and their crop-tolerated addition salts with acids, and metal complexes.The compounds act as fungicides and growth regulators.
    Type: Grant
    Filed: April 29, 1981
    Date of Patent: April 19, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Hubert Sauter, Eberhard Ammermann, Costin Rentzea, Bernd Zeeh, Johann Jung, Ernst-Heinrich Pommer
  • Process for two-dimensionally concentrating light, and novel perylene-3,4,9,10-tetracarboxylic acid diimides
    Patent number: 4379934
    Abstract: A process for concentrating light by means of fluorescent compounds of the formula ##STR1## where the R.sup.1 's independently of one another are ortho-substituted aromatic or heterocyclic radicals which do not contain groups which confer solubility in water, and novel perylene-3,4,9,10-tetracarboxylic acid diimides of the formula I, where R.sup.1 is ##STR2## A.sup.1 and A.sup.2 being hydrogen, or one of A.sup.1 or A.sup.2 being isopropyl and the other being hydrogen.The compounds I are very lightfast and convert incident light into fluorescent light with high efficiency.
    Type: Grant
    Filed: December 8, 1980
    Date of Patent: April 12, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Fritz Graser, Guenther Seybold
  • Reactivation of supported catalysts which contain palladium, copper and tellurium
    Patent number: 4379756
    Abstract: A process for reactivating supported catalysts which contain palladium, copper and tellurium and which are used for the acyloxylation of unsubstituted or substituted butadiene to give butenediol esters, wherein the supported catalysts are heated at from 200.degree. to 900.degree. C. in the presence of a gas which is inert under these treatment conditions.
    Type: Grant
    Filed: May 6, 1981
    Date of Patent: April 12, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Martin Weitz, Rolf Fischer
  • Fluid formulations of oxidation dyes for mineral oil products, fats and waxes
    Patent number: 4378969
    Abstract: Fluid formulations of oxidation dyes, which are obtained by oxidizing a compound of the general formula I ##STR1## where R.sup.1 is unsubstituted or hydroxy-, C.sub.1 -C.sub.8 -alkoxy- or C.sub.1 -C.sub.8 -alkanoyloxy-substituted C.sub.2 -C.sub.13 -alkyl,R.sup.2 is hydrogen or unsubstituted or hydroxy- or C.sub.1 -C.sub.8 -alkoxy-substituted C.sub.1 -C.sub.13 -alkyl andX is hydroxyl, amino or ##STR2## in an organic solvent, are particularly suitable for dyeing mineral oil products, fats and waxes.
    Type: Grant
    Filed: May 6, 1981
    Date of Patent: April 5, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Guenter Hansen, Hans J. Kolbinger, Rudolf Senninger, Georg Zeidler
  • Preparation of acicular ferromagnetic metal particles consisting essentially of iron
    Patent number: 4378240
    Abstract: A process for the preparation of acicular ferromagnetic metal particles, consisting essentially of iron, by reducing acicular iron oxides and/or iron oxide hydroxides, which are either pure or are modified with conventional foreign metal ions, by means of a gaseous reducing agent in a fluidized bed furnace in which a stirrer is provided immediately above the fluidizing grid.
    Type: Grant
    Filed: May 28, 1981
    Date of Patent: March 29, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Hansjoerg Siegle, Hans H. Reich, Horst Autzen, Werner Steck, Werner Loeser, Eckhard Hetzel, Manfred Ohlinger
  • Preparation of 4-methylimidazoles
    Patent number: 4377696
    Abstract: A process for the preparation of 4-methylimidazoles by reacting methylglyoxal with ammonia and an aldehyde in aqueous solution, wherein the reaction is carried out at a pH of above 7 and either the reactants are all brought into contact simultaneously or the aldehyde and the methylglyoxal are added simultaneously to the aqueous ammonia solution.
    Type: Grant
    Filed: April 13, 1981
    Date of Patent: March 22, 1983
    Assignee: BASF Aktiengesellschaft
    Inventor: Fritz Graf
  • Deliming hides
    Patent number: 4377387
    Abstract: Conventionally limed hides are delimed for from one to six hours under conventional deliming conditions in respect of liquor length, temperature and pH of the liquor, by a process in which a cyclic carbonate of a polyhydric aliphatic alcohol of 2 to 6 carbon atoms is employed as the active agent.
    Type: Grant
    Filed: February 12, 1982
    Date of Patent: March 22, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Erwin Hahn, Dietrich Lach, Kurt Schneider, Rainer Strickler, Rolf Streicher
  • 6-(p-Acylaminophenyl)-4,5-dihydropyridaz-3-ones and therapeutic agents containing said compounds
    Patent number: 4376771
    Abstract: 6-(p-Acylaminophenyl)-4,5-dihydropyridaz-3-ones of the formula I ##STR1## where R.sup.1 is hydrogen or alkyl of 1 to 3 carbon atoms and R.sup.2, if R.sup.1 is hydrogen, is halogen-substituted alkyl of 3 to 6 carbon atoms or .beta.-haloethyl or, if R.sup.1 is alkyl of 1 to 3 carbon atoms, is halogen-substituted alkyl of 1 to 6 carbon atoms, their manufacture, and therapeutic agents which contain, as the active ingredient, a compound of the formula I, where R.sup.2 may also be halomethyl or .alpha.-haloethyl if R.sup.1 is hydrogen. These compounds may be used as anti-hypertensive agents and for the prophylaxis and therapy of thromboembolic disorders.
    Type: Grant
    Filed: January 14, 1981
    Date of Patent: March 15, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Rolf Lebkuecher, Marco Thyes, Horst Koenig, Hans D. Lehmann, Josef Gries, Dieter Lenke, Johannes Kunze
  • 10-Substituted 5-cyanomethylene-10,11-dihydro-dibenzo-[a,d]-cycloheptenes, their preparation, and therapeutic agents containing these compounds
    Patent number: 4376773
    Abstract: 10-Substituted 5-cyanomethylene-10,11-dihydro-dibenzo[a,d]-cycloheptenes, their pharmaceutically tolerated addition salts with acids, processes for their preparation, and their use as drugs, especially as sedatives, hypnotics or tranquilizers.
    Type: Grant
    Filed: February 25, 1981
    Date of Patent: March 15, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerd Steiner, Hans P. Hofmann, Horst Kreiskott, Hans-Juergen Teschendorf
  • Dibenzofuran derivatives and their use for controlling fungi
    Patent number: 4376776
    Abstract: Dibenzofuran derivatives of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, X, A, Y, m, n, p and q have the meanings given in the description, and their use for controlling fungi.
    Type: Grant
    Filed: January 26, 1982
    Date of Patent: March 15, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Costin Rentzea, Karl-Heinz Feuerherd, Bernd Zeeh, Hubert Sauter, Ernst-Heinrich Pommer
  • 2'-Phenylhydrazino-2-cyanoacrylic acid esters and herbicides containing these compounds
    Patent number: 4376645
    Abstract: 2'-Phenylhydrazino-2-cyanoacrylic acid esters of the formula ##STR1## wherein R.sup.1 is methyl, trifluoromethyl, chlorine or bromine, R.sup.2 is chlorine, bromine, iodine or methylsulfonyl, R.sup.3 is hydrogen, chlorine or bromine, or methoxy in the 5-position, in which case R.sup.1 and R.sup.2 are chlorine, or R.sup.3 is chlorine in the 3-position, in which case R.sup.2 is hydrogen, and R.sup.4 is alkyl of 1 to 3 carbon atoms, allyl or propargyl, and herbicides containing these compounds.
    Type: Grant
    Filed: November 18, 1981
    Date of Patent: March 15, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Eicken, Peter Plath, Bruno Wuerzer
  • Polyadduct/polycondensate containing basic nitrogen groups, its preparation and its use
    Patent number: 4376849
    Abstract: A polyadduct/polycondensate which is water-dilutable when protonated with an acid, and which contains basic nitrogen groups, the groups being of the general formula (I) ##STR1## and/or of the general formula (II) ##STR2## as well as of the formula (III) ##STR3## where R.sup.1 and R.sup.2 are hydrogen or methyl, R.sup.3 and R.sup.4 are hydrogen, alkyl or a radical bonded to a phenol or phenolether, R.sup.5 and R.sup.6 are alkyl, hydroxyalkyl or alkoxyalkyl or are linked to one another to form a 5-membered or 6-membered ring, R.sup.7 is a polydienyl radical, n.sup.1 = from 0.5 to 3 and n.sup.2 = from 0.05 to 1.0, and its method of preparation.The polyadduct/polycondensate can be used, for example, as a surface-coating binder for the cathodic electrocoating of metal articles.
    Type: Grant
    Filed: July 9, 1981
    Date of Patent: March 15, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Fritz E. Kempter, Eberhard Schupp
  • Silver ion gel compositions
    Patent number: 4376764
    Abstract: Silver ion gel compositions containing a polyoxybutylene-polyoxyethylene block copolymer that maintain their gel characteristics at temperatures below 20.degree. C. These gel compositions may be used to treat burn wounds and superficial ulcers.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: March 15, 1983
    Assignee: BASF Wyandotte Corporation
    Inventor: Irving R. Schmolka
  • Low-foaming, biodegradable alkoxylation products terminated with glycerine ether radicals, and a process for their preparation
    Patent number: 4375565
    Abstract: The subject invention relates to compositions of matter having the following structural formula: ##STR1## In this formula, R.sup.1 represents a C.sub.8 -C.sub.20 alkyl radical, R.sup.2 stands for a C.sub.1 -C.sub.5 alkyl radical, and n is a number, 4 through 15. These compounds are low foaming and have acceptable biodegradability. They are particularly useful in the formulation of automatic dishwashing detergents.
    Type: Grant
    Filed: October 15, 1981
    Date of Patent: March 1, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Norbert Greif, Erhard Klahr, Wolfgang Trieselt
  • Casein coatings for leather insolubilized with alkoxy alkyl ureas
    Patent number: 4374872
    Abstract: A process is disclosed for insolubilizing casein coatings for leather utilizing alkoxy alkyl ureas. The coatings are cured in the presence of an acid catalyst. The casein coatings of the invention avoid the disadvantageous use of aldehydes such as formaldehyde and glutaraldehyde to cure the casein and reduce its water sensitivity and unexpectedly show improved wet abrasion resistance.
    Type: Grant
    Filed: July 8, 1981
    Date of Patent: February 22, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Guenter Eckert, Lothar Wuertele, Harro Petersen, Ulrich Goeckel, Kurt Fischer