Patents by Inventor Arno Lange

Arno Lange has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5502170
    Abstract: Azo dyes of the formula ##STR1## where L.sup.1, L.sup.2, L.sup.3, L.sup.4, X and K are as defined in the specification, and crystal forms of thienylazobenzene dyes are useful for dyeing or printing textile materials such as polyesters, fibers or fabrics made of cellulose esters or polyamides or blend fabrics from polyester and cellulose fibers with high color strength, good fastness properties and brilliant hues.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: March 26, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Sabine Gruettner-Merten, Helmut Reichelt, Arno Lange, Helmut Degen
  • Patent number: 5484460
    Abstract: Dye mixtures comprising at least six isochromatic dyes of the formula ##STR1## where D is the radical of a diazo component of the aniline, aminothiophene, aminothiazole, aminoisothiazole or aminobenzisothiazole series andone of the radicals X.sup.1 and X.sup.2 is amino and the other is a radical of the formula ##STR2## where L is unsubstituted or substituted C.sub.2 -C.sub.8 -alkyleneR.sup.1 is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl andR.sup.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl, benzyl, phenyl, or C.sub.1 -C.sub.8 -alkanoyl,and the use thereof for dyeing or printing textile materials, and dye mixtures comprising thienylazopyridine dyes and anthraquinone dyes and the use thereof for dyeing or printing textile materials.
    Type: Grant
    Filed: November 9, 1994
    Date of Patent: January 16, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Hermann Loeffler, Gunther Lamm, Volker Bach, Arno Lange, Helmut Reichelt, Herbert Rothmaier
  • Patent number: 5466790
    Abstract: Azo dyes of the formula ##STR1## where L.sup.1 is hydrogen, C.sub.1 -C.sub.8 -alkyl or phenyl,L.sup.2 and L.sup.3 are each substituted or unsubstituted C.sub.1 -C.sub.8 -alkyl, or together a radical of the formula ##STR2## where n is 0, 1 or 2, Y.sup.1 and Y.sup.4 are hydrogen, hydroxymethyl, 1,2-dihydroxyethyl or a radical of the formula COO.sym.M.sup..crclbar. or SO.sub.3.sup..crclbar. M.sup..sym., Y.sup.2 and Y.sup.3 are halogen or hydroxymethyl, and M.sup..sym. is the equivalent of a cation,L.sup.4 is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.8 -alkyl, substituted or unsubstituted phenyl, halogen, C.sub.1 -C.sub.8 -alkoxy, substituted or unsubstituted phenoxy, C.sub.1 -C.sub.8 -alkylthio, C.sub.1 -C.sub.8 -alkylsulfonyl, substituted or unsubstituted phenylthio, substituted or unsubstituted phenylsulfonyl, C.sub.1 -C.sub.8 -alkoxycarbonyl, C.sub.3 -C.sub.6 -alkenyloxycarbonyl or phenoxycarbonyl,X is nitrogen or the radical C--L.sup.5, where L.sup.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: November 14, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Sabine Gruettner-Merten, Helmut Reichelt, Arno Lange, Helmut Degen
  • Patent number: 5431699
    Abstract: Dye mixtures containa) one or more azo dyes of the formula I ##STR1## where Y.sup.1 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.4 -alkoxy or unsubstituted or substituted C.sub.1 -C.sub.8 -alkanoylamino or C.sub.3 - or C.sub.4 -alkenylamino orY.sup.2 and Y.sup.3 are each hydrogen or unsubstituted or substituted C.sub.1 -C.sub.6 -alkylb) the azo dye of the formula II ##STR2## where L is allyl which may be partially replaced by or may furthermore be hydrogen andc) optionally, an azo dye of the formula III and/or IV as described in the specification.
    Type: Grant
    Filed: January 28, 1994
    Date of Patent: July 11, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Arno Lange, Uwe Nahr, Walter Sieber, Volker Walther
  • Patent number: 5403363
    Abstract: Dye mixtures comprising at least six isochromatic dyes of the formula ##STR1## where D is the radical of a diazo component of the aniline, aminothiophene, aminothiazole, aminoisothiazole or aminobenzisothiazole series andone of the radicals X.sup.1 and X.sup.2 is amino and the other is a radical of the formula ##STR2## where L is unsubstituted or substituted C.sub.2 -C.sub.8 -alkyleneR.sup.1 is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl andR.sup.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl, benzyl, phenyl, or C.sub.1 -C.sub.8 -alkanoyl,and the use thereof for dyeing or printing textile materials, and dye mixtures comprising thienylazopyridine dyes and anthraquinone dyes and the use thereof for dyeing or printing textile materials.
    Type: Grant
    Filed: November 30, 1993
    Date of Patent: April 4, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Hermann Loeffler, Gunther Lamm, Volker Bach, Arno Lange, Helmut Reichelt, Herbert Rothmaier
  • Patent number: 5393308
    Abstract: There are described dye mixtures containinga) an azo dye of the formula I ##STR1## where Hal is chlorine or bromine, b) the azo dye of the formula II ##STR2## where L is allyl or optionally hydrogen, and c) an azo dye of the formula III and/or IV ##STR3## where R.sup.1 is nitro or substituted or unsubstituted C.sub.1 -C.sub.4 -alkylsulfonyl,R.sup.2 and R.sup.3 are each hydrogen, chlorine or bromine,R.sup.4 and R.sup.5 are each hydrogen or chlorine,R.sup.6 and R.sup.7 are each hydrogen, phenyl or substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl,X.sup.1 is hydrogen, hydroxyl, methoxy, acetylamino or nitro,X.sup.2, X.sup.3, X.sup.4 and X.sup.5 are each hydrogen, methyl or methoxy, andX.sup.6 is hydroxyl, 2-hydroxyethoxy, formyl or methoxycarbonylamino,dye preparations containing the novel dye mixtures, and the use of the novel dye mixtures for dyeing or printing polyesters in textile form.
    Type: Grant
    Filed: September 24, 1993
    Date of Patent: February 28, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Arno Lange, Volker Bach, Clemens Grund, Helmut Reichelt, Paul Richter
  • Patent number: 5382263
    Abstract: Blue dye mixtures useful for dyeing or printing polyester fabrics contain from 30 to 95% by weight, based on the total weight of the dyes, of one or more dyes based on 1,4-diaminoanthraquinone-2,3-dicarboximides and also from 5 to 70% by weight based on the total weight of the dyes, of one or more thiopheneazo dyes having a coupling component of the aniline series.
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: January 17, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Degen, Arno Lange, Sabine Gruettner-Merten, Helmut Reichelt
  • Patent number: 5376150
    Abstract: There are described the use of pyridine dyes of the formula ##STR1## where R.sup.1 is substituted or unsubstituted C.sub.1 -C.sub.20 -alkyl, substituted or unsubstituted phenyl or hydroxyl,R.sup.2 is a carbocyclic or heterocyclic radical,R.sup.3 is cyano, carbamoyl, carboxyl or C.sub.1 -C.sub.4 -alkoxy carbonyl,R.sup.4 is oxygen or the radical of an acidic CH compound,R.sup.5 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.6 is substituted or unsubstituted C.sub.1 -C.sub.20 -alkyl, substituted or unsubstituted phenyl, hydroxyl or substituted or unsubstituted amino, andX is nitrogen or optionally CH,for dyeing or printing synthetic fibers, cellulose esters or blends thereof, dye mixtures comprising pyridine dyes of the above formulae and blue disperse dyes, the use thereof for dyeing and printing synthetic fibers, cellulose esters or blends thereof, and triazolopyridine dyes having a thienyl radical.
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: December 27, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Arno Lange, Volker Bach, Ruediger Sens, Karl-Heinz Etzbach, Helmut Reichelt, Sabine Gruettner-Merten
  • Patent number: 5364972
    Abstract: A process for preparing nitrobenzophenones by reaction of benzene or its derivatives with nitrobenzoyl chloride in the presence of a Lewis acid, a color-stable modification of 1,4-dimethyl-5-cyano-3-[4-(2,4-dimethylbenzoyl)phenylazo]-2-hydroxy-6-pyri done and its use for dyeing or printing synthetic fiber material are described.
    Type: Grant
    Filed: September 23, 1992
    Date of Patent: November 15, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Degen, Norbert Zimmerman, Ralf Brueckmann, Gunther Lamm, Arno Lange, Helmut Reichelt
  • Patent number: 5330543
    Abstract: Azo dyes having the formula ##STR1## wherein the substituents are as defined in the specification and are useful for dyeing or printing textile materials.
    Type: Grant
    Filed: October 27, 1993
    Date of Patent: July 19, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Guenter Hansen, Gunther Lamm, Hermann Loeffler, Helmut Reichelt, Helmut Degen, Arno Lange, Clemens Grund
  • Patent number: 5318601
    Abstract: Dye mixtures containing from 50 to 95% by weight, of a 4-chloro-2-nitrophenylazohydroxypyridone dye and from 5 to 50% by weight of a chlorinated quinophthalone dye and/or from 5 to 20% by weight of an unsubstituted quinophthalone dye, dye formulations containing the novel dye mixtures and the use of dye mixtures for dyeing polyesters or printing them by the direct printing method.
    Type: Grant
    Filed: March 29, 1993
    Date of Patent: June 7, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Arno Lange, Gert Motzkus, Helmut Degen, Volker Walther
  • Patent number: 5166179
    Abstract: N-benzoyl-N'-phenoxyphenylureas of the formula (I) ##STR1## where R.sup.1 is fluorine, chlorine or methyl, R.sup.2 is fluorine, chlorine or hydrogen, R.sup.3 and R.sup.4 are each chlorine or bromine and R.sup.5 and R.sup.6 can be identical or different and are each fluorine, chlorine, bromine, trifluoromethyl or hydrogen, processes for their preparation and their use for controlling pests.
    Type: Grant
    Filed: March 1, 1988
    Date of Patent: November 24, 1992
    Inventors: Arno Lange, Heinrich Adolphi
  • Patent number: 4889554
    Abstract: Diphenyl ether derivatives of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3 and n have the meanings stated in the description, processes for their preparation, herbicides which contain these compounds as active ingredients, and a method of controlling undesirable plant growth by means of the novel compounds.
    Type: Grant
    Filed: October 28, 1988
    Date of Patent: December 26, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Arno Lange, Bruno Wuerzer, Norbert Meyer
  • Patent number: 4769062
    Abstract: Thiazolylamides of the formula ##STR1## where R.sup.1 if hydrogen or alkyl, R.sup.2 is alkyl, alkenyl, alkynyl or cycloalkyl, R.sup.3 is hydrogen, alkyl or halogen, X is halogen, alkoxy, haloalkoxy, alkyl, haloalkyl, cycloalkyl, alkylthio, nitro, cyano, unsubstituted or substituted phenyl or unsubstituted or substituted phenoxy, and n is 1, 2, 3 or 4, processes for their preparation, and their use for controlling undesirable plant growth.
    Type: Grant
    Filed: January 21, 1986
    Date of Patent: September 6, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Arno Lange, Bruno Wuerzer, Norbert Meyer
  • Patent number: 4699923
    Abstract: N-Benzoyl-N'-phenylureas of the formula ##STR1## where X, Y, Z and R have the meanings given in the description, are used for insect control.
    Type: Grant
    Filed: March 27, 1986
    Date of Patent: October 13, 1987
    Assignee: BASF Aktiengesellschaft
    Inventors: Arno Lange, Karl Kiehs, Heinrich Adolphi
  • Patent number: 4599356
    Abstract: N-Benzoyl-N'-phenylureas of the formula ##STR1## where X, Y, Z and R have the meanings given in the description, are used for insect control.
    Type: Grant
    Filed: November 28, 1983
    Date of Patent: July 8, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Arno Lange, Karl Kiehs, Heinrich Adolphi
  • Patent number: 4588434
    Abstract: Substituted ureas of the formula ##STR1## where R.sup.1 is hydrogen or alkyl, R.sup.2 is hydrogen, alkyl, alkoxy, alkenyl, alkynyl, unsubstituted or substituted cycloalkyl or unsubstituted or substituted phenyl and R.sup.3 and R.sup.4 are each hydrogen, halogen or a radical --CO--S--R, with the proviso that one or both of the substituents R.sup.3 and R.sup.4 are the radical --CO--S--R, are used for controlling undesirable plant growth.
    Type: Grant
    Filed: December 7, 1983
    Date of Patent: May 13, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Arno Lange, Bruno Wuerzer
  • Patent number: 4582825
    Abstract: Phosphates of the formula ##STR1## where R.sup.1 is alkyl of not more than 3 carbon atoms, R.sup.2 is alkoxy, alkylthio or alkylamino each of which has a straight-chain or branched alkyl substituent of not more than 5 carbon atoms, Y.sup.1 and Y.sup.2 independently of one another are each hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or halogen, and X is O or S, a process for their manufacture, and their use as insecticides and acaricides.
    Type: Grant
    Filed: May 16, 1984
    Date of Patent: April 15, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Annegrit Baumann, Karl Kiehs, Heinrich Adolphi, Arno Lange
  • Patent number: 4552985
    Abstract: Novel ether-aldols of the general formula (I) ##STR1## where R.sup.1 and R.sup.2 are each alkyl, can be prepared by reacting a 2-alkylacrolein (H.sub.2 C.dbd.CHR.sup.2 --CHO), an alcohol (R.sup.1 OH) and formaldehyde, preferably aqueous formaldehyde, in the presence of a tertiary amine.
    Type: Grant
    Filed: June 14, 1984
    Date of Patent: November 12, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Merger, Peter Hettinger, Arno Lange
  • Patent number: 4537901
    Abstract: Carbamates of the formula ##STR1## where either R.sup.1 is straight-chain or branched alkyl of not more than 4 carbon atoms and R.sup.2 is straight-chain or branched alkyl of not more than 6 carbon atoms, or R.sup.1 and R.sup.2, together with the molecular moiety which they include, form a 5-membered, 6-membered or 7-membered heterocyclic ring, R.sup.3 is straight-chain or branched alkyl of not more than 6 carbon atoms or cycloalkyl of 3 to 6 carbon atoms, R.sup.4 is methyl or methoxy, and n is 1 or 2, their preparation and their use as insecticides.
    Type: Grant
    Filed: June 14, 1984
    Date of Patent: August 27, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Arno Lange, Franz Merger, Peter Hettinger, Heinrich Adolphi