Patents by Inventor Stefan Engel
Stefan Engel 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).
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Patent number: 7122820Abstract: The invention is directed to a method and a combined visibility measuring and precipitation measuring instrument for determining visibility, amount of precipitation and type of precipitation.Type: GrantFiled: April 24, 2002Date of Patent: October 17, 2006Assignee: Vaisala Impulsphysik GmbHInventors: Stefan Engel, Klaus Heyn
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Patent number: 7030063Abstract: Cyclohexenonequinolinoyl derivatives of the formula I where: R1 is hydrogen, nitro, halogen, cyano, alkyl, haloalkyl, alkoxyiminomethyl, alkoxy, haloalkoxy, alkylthio, C1–C6-haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, unsubstituted or substituted amino sulfonyl, unsubstituted or substituted sulfonyl amino, unsubstituted or substituted phenoxy, unsubstituted or substituted heterocyclyloxy, unsubstituted or substituted phenylthio or unsubstituted or substituted heterocyclylthio; R2, R3 are hydrogen, alkyl, haloalkyl or halogen; R4 is substituted (3-oxo-1-cyclohexen-2-yl)carbonyl or substituted (1,3-dioxo-2-cyclohexyl)methylidene; and their agriculturally useful salts; processes for preparing the cyclohexenonequinolinoyl derivatives; compositions comprising them, and the use of these derivatives or compositions comprising them for controlling undesirable plants are described.Type: GrantFiled: August 27, 1999Date of Patent: April 18, 2006Assignee: BASF AktiengesellschaftInventors: Matthias Witschel, Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Klaus Langemann, Guido Mayer, Ulf Neidlein, Roland Götz, Norbert Götz, Michael Rack, Stefan Engel, Martina Otten, Karl-Otto Westphalen, Helmut Walter
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Publication number: 20060055749Abstract: An ink reservoir or tank for automatic recording, writing, and drawing devices, particularly ink-jet systems, such as printers and plotters, wherein a sleeve or bandage is arranged within the ink reservoir. The ink pouch and the printing device are entirely or partially surrounded by the sleeve or bandage. In addition, the sleeve or bandage is constructed with respect to shape and dimensions in such a way that a free space exists between the outer wall of the sleeve or bandage and the inner side of the housing wall of the ink reservoir.Type: ApplicationFiled: September 16, 2005Publication date: March 16, 2006Inventors: Rainer Schuster, Stefan Engel
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Patent number: 6992206Abstract: A process is described for preparing 3-trifluoromethylphenyl 4-cyanobenzyl ketone by reacting a C1–C2-alkyl 3-trifluoromethylbenzoate with 4-tolunitrile in an aprotic polar solvent or an aprotic polar solvent mixture in the presence of at least an equimolar amount of a base which is selected from potassium alkoxides of primary C1–C4-alkanols.Type: GrantFiled: April 25, 2003Date of Patent: January 31, 2006Assignee: BASF AktiengesellschaftInventors: Stefan Engel, Michael Keil, Christian Ott, Michael Rack
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Publication number: 20050171373Abstract: A process is described for preparing 3-trifluoromethylphenyl 4-cyanobenzyl ketone by reacting a C1-C2-alkyl 3-trifluoromethylbenzoate with 4-tolunitrile in an aprotic polar solvent or an aprotic polar solvent mixture in the presence of at least an equimolar amount of a base which is selected from potassium alkoxides of primary C1-C4-alkanols.Type: ApplicationFiled: April 25, 2003Publication date: August 4, 2005Inventors: Stefan Engel, Michael Keil, Christian Ott, Michael Rack
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Patent number: 6884287Abstract: An ink base for producing pigmented inks having a water base contains a drying retarder and a pH adjusting agent. The drying retarder contains at least diethylene glycol, 1,6-hexane diol, and pentaerythritol. The pH adjusting agent (PH) contains at least one amine. The ink base contains at least 30.0-95.5% by wt. diethylene glycol; 3.0-40.0% by wt. 1,6-hexane diol; 0.01-3.0% by wt. pentaerythritol; and 1.5-15.0% by wt. amine(s).Type: GrantFiled: November 19, 2003Date of Patent: April 26, 2005Assignee: J.S. Staedtler GmbH & Co.Inventors: Anke Müller, Manuela Geis, Stefan Engel
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Publication number: 20050085562Abstract: A pigmented ink for printing on untreated vinyl foils or substrates coated with vinyl by means of piezoelectric printing systems which include at least one heating device, wherein the ink is composed of a liquid carrier substance, water insoluble coloring agents, polymeric binding agents, drying decelerators, as well as additional additives, wherein the liquid carrier substance is composed of water and drying decelerators which are mixable in water. The liquid carrier substance has a content of at least 80% by weight water and the content of drying decelerators is composed of at least butyldiglycol and 1-metaxipropanol-2, and the ink has a pH-value of greater than 8.5.Type: ApplicationFiled: October 8, 2004Publication date: April 21, 2005Inventors: Anke Muller, Stefan Engel
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Publication number: 20040099179Abstract: An ink base for producing pigmented inks having a water base contains a drying retarder and a pH adjusting agent. The drying retarder contains at least diethylene glycol, 1,6-hexane diol, and pentaerythritol. The pH adjusting agent (PH) contains at least one amine. The ink base contains at least 30.0-95.5% by wt. diethylene glycol; 3.0-40.0% by wt. 1,6-hexane diol; 0.01-3.0% by wt. pentaerythritol; and 1.5-15.0% by wt. amine(s).Type: ApplicationFiled: November 19, 2003Publication date: May 27, 2004Applicant: J. S. Staedtler GmbH & Co.Inventors: Anke Muller, Manuela Geis, Stefan Engel
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Patent number: 6610130Abstract: An ink set consists of several inks containing at least one of a red ink and a magenta ink, one of a blue ink and a cyan ink, and a yellow ink for piezo inkjet printers operating according to a drop-on-demand method. Each one of the inks contains at least one water-soluble dye as a principal colorant, a solvent, and one or more anti-drying agents. The solvent is substantially water. A first one of the inks contains “Direct Blue 199” as a primary or exclusive dye, a second one of the inks contains “Reactive Red 180” as a primary or exclusive dye, and a third one of the inks contains “Reactive Yellow 37” as a primary or exclusive dye. A black ink may be added to the ink set.Type: GrantFiled: August 24, 2001Date of Patent: August 26, 2003Assignee: J. S. Staedtler GmbH & Co.Inventor: Stefan Engel
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Publication number: 20030142341Abstract: A printing system has at least one print head, a refillable or exchangeable ink reservoir or reservoir system, an electronic device for printing, a communication system as a control device for transmitting, blocking, and processing different signals, pulses, information, and data. The communication system is connected to the electronic device for printing and the ink reservoir or the reservoir system.Type: ApplicationFiled: January 24, 2003Publication date: July 31, 2003Applicant: J.S. Staedtler GmbH Co.Inventor: Stefan Engel
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Patent number: 6576596Abstract: The invention relates to 2-benzoylcyclohexane-1,3-diones of the formula I where R1, R2 are each hydrogen, nitro, halogen, cyano, thiocyanato, alkyl, haloalkyl, alkoxyalkyl, alkenyl, alkynyl, —OR5, —OCOR6, —OSO2R6, —SH, —S(O)nR7, —SO2OR5, —SO2NR5R8, —NR8SO2R6 or —NR8COR6; R3 is hydrogen, cyano, alkyl, haloalkyl, —OR7, —SR7 or —NR7R10; R4 is hydrogen, substituted or unsubstituted alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, —COR9, —CO2R9, —COSR9 or —CONR8R9; X is oxygen or NR8; n is 0, 1 or 2; R5 is hydrogen, alkyl, haloalkyl, alkoxyalkyl, alkenyl or alkynyl; R6 is alkyl or haloalkyl; R7 is alkyl, haloalkyl, alkoxyalkyl, alkenyl or alkynyl; R8 is hydrogen or alkyl; R9 is alkyl, alkenyl, alkynyl, phenyl or benzyl; R10 is alkyl, haloalkyl, alkenyl or alkynyl; Q is a cyclohexane-1,3-dione ring with or without substitution attached in position 2; and agriculturally useful salts thereoType: GrantFiled: June 23, 1999Date of Patent: June 10, 2003Assignee: BASF AktiengesellschaftInventors: Regina Luise Hill, Uwe Kardorff, Michael Rack, Ernst Baumann, Wolfgang von Deyn, Stefan Engel, Guido Mayer, Martina Otten, Joachim Rheinheimer, Matthias Witschel, Ulf Misslitz, Helmut Walter, Karl-Otto Westphalen
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Patent number: 6559100Abstract: Substituted 2-benzoylcyclohexane-1,3-diones of the formula I where: R1 and R2 are each hydrogen, mercapto, nitro, halogen, cyano, thiocyanato, C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy, C2-C6-alkenyl, C2-C6-alkynyl, —OR3, —OCOR3, —OSO2R3, —S(O)nR3, —SO2OR3, —SO2N(R3)2, —NR3SO2R3 or —NR3COR3; R3 is hydrogen, C1-C6-alkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, phenyl or phenyl-C1-C6-alkyl; where the abovementioned alkyl radicals may be partially or fully halogenated and/or may carry one to three of the following groups: hydroxyl, mercapto, amino, cyano, R3, —OR3, —SR3, —N(R3)2, ═NOR3, —OCOR3, —SCOR3, —NR3COR3, —CO2R3, —COSR3, —CON(R3)2, C1-C4-alkyliminooxy, C1-C4-alkoxyamino, C1-C4-alkylcarbonyl, C1-C4-alkoxy-C2-C6-alkoxycarbonyl, C1-C4-alkylsulfonyl, heterocyclyl, heterocyclyloxy, phenyl, benzyl, hetaryl, phenoxy, benzyloxy and hetaryloxy, where the eight last mentioned radicType: GrantFiled: February 7, 2000Date of Patent: May 6, 2003Assignee: BASF AktiengesellschaftInventors: Stefan Engel, Joachim Rheinheimer, Ernst Baumann, Wolfgang von Deyn, Regina Luise Hill, Guido Mayer, Ulf Misslitz, Oliver Wagner, Matthias Witschel, Martina Otten, Helmut Walter, Karl-Otto Westphalen
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Patent number: 6500950Abstract: Benzylidenepyrazolones of the formula I, where the substituents and the index n have the following meanings: R1 is unsubstituted or substituted C1-C6-alkyl; R2 is unsubstituted or substituted C1-C6-alkyl, unsubstituted or substituted C1-C6-alkoxy, halogen, nitro, cyano; R3 is hydrogen, halogen, nitro, cyano, a group NR5R6, OCOR5, NR5COR6, CO2R5, —COSR5, —CONR5R6, C1-C4-alkoxyiminoalkyl, C1-C6-alkylcarbonyl, unsubstituted or substituted C1-C6-alkyl, unsubstituted or substituted C1-C6-alkoxy, unsubstituted or substituted C1-C6-alkylthio, unsubstituted or substituted C2-C6-alkenyl, unsubstituted or substituted C2-C6-alkynyl, unsubstituted or substituted phenyl, unsubstituted or substituted phenoxy, an unsubstituted or substituted 5- or 6-membered saturated or unsaturated heterocycle which may contain up to 4 nitrogen atoms and/or up to 2 oxygen or sulfur atoms as ring members; R4 is C1-C6-alkyl, C1-C4-haloalkyl; R3 and R4 form an optionally substituted saturated or unsaturatedType: GrantFiled: January 22, 2001Date of Patent: December 31, 2002Assignee: BASF AktiengesellschaftInventors: Joachim Rheinheimer, Matthias Witschel, Stefan Engel, Ernst Baumann, Wolfgang von Deyn, Regina Luise Hill, Guido Mayer, Ulf Misslitz, Oliver Wagner, Martina Otten, Karl-Otto Westphalen, Helmut Walter
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Patent number: 6479436Abstract: Hetaroyl derivatives of the formula I where: R1 and R2 are each hydrogen, nitro, halogen, cyano, thiocyanato, hydroxyl, mercapto, C1-C6-alkyl, C1-C6-alkoxy, C1-C6-alkylthio, C1-C6-alkylsulfinyl, C1-C6-alkylsulfonyl or C1-C6-alkoxysulfonyl, where the last 6 radicals may be substituted and/or functionalized; phenyl, phenoxy, phenylthio, phenylsulfinyl or phenylsulfonyl, where the last 5 radicals may be substituted; Z is an unsubstituted or substituted four-membered unsaturated, partially or fully saturated chain consisting of three carbons and one nitrogen; Q is unsubstituted or substituted cyclohexane-1,3-dione linked at position 2; and their agriculturally useful salts. A process for preparing the hetaroyl derivatives, compositions comprising them, and the use of these derivatives or these compositions comprising them for controlling undesirable plants.Type: GrantFiled: March 17, 1999Date of Patent: November 12, 2002Assignee: BASF AktiengesellschaftInventors: Martina Otten, Norbert Götz, Wolfgang von Deyn, Stefan Engel, Uwe Kardorff, Peter Plath, Regina Luise Hill, Matthias Witschel, Ulf Misslitz, Karl-Otto Westphalen, Helmut Walter
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Publication number: 20020158215Abstract: The invention is directed to a method and a combined visibility measuring and precipitation measuring instrument for determining visibility, amount of precipitation and type of precipitation.Type: ApplicationFiled: April 24, 2002Publication date: October 31, 2002Applicant: Vaisala Impulsphysik GMbHInventors: Stefan Engel, Klaus Heyn
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Patent number: 6440899Abstract: Cyclohexenonedioxothiochromanoyl derivatives of the formula I where X is oxygen, sulfur, S═O, S(═O)2, CR4R5, C═O or C═NR6, the other substituents are as defined in the specification, and and agriculturally useful salts thereof; processes for preparing the cyclohexenonedioxotheiochromanoyl derivatives; compositions comprising them, and the use of these derivatives or of compositions comprising them for controling undesirable piants.Type: GrantFiled: October 30, 2000Date of Patent: August 27, 2002Assignee: BASF AktiengesellschaftInventors: Matthias Witschel, Klaus Langemann, Wolfgang von Deyn, Ulf Misslitz, Ernst Baumann, Stefan Engel, Guido Mayer, Ulf Neidlein, Oliver Wagner, Roland Götz, Martina Otten, Karl-Otto Westphalen, Helmut Walter
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Patent number: 6432881Abstract: 2-Benzoylcyclohexane-1,3-diones of formula I : where: R1 and R2 are each hydrogen, mercapto, nitro, halogen, cyano, thiocyanato, alkyl, haloalkyl, alkoxy, alkenyl, alkynyl, —OR3, —OCOR3, —OSO2R3, —S(O)nR3 (n=0, 1, 2), —SO2OR3, —SO2N(R3)2, —NR3SO2R3 or —NR3COR3; R3 is hydrogen or optionally substituted alkyl, haloalkyl, alkenyl, alkynyl, phenyl or phenylalkyl; Q is optionally substituted cyclohexane-2-yl-1,3-dione; X1 is optionally substituted alkylene, propenylene, alkenylene or alkynylene; R4 is hydrogen or optionally substituted alkyl, alkenyl, alkynyl, phenyl, phenylalkyl; Het is a three- to six-membered, optionally substituted heterocyclic or heteroaromatic group; and agriculturally useful salts thereof, processes and intermediates for preparing compounds of formula I, compositions comprising them, and the use of the compounds of formula I and the compositions comprising them for controlling harmful plants are described.Type: GrantFiled: February 7, 2000Date of Patent: August 13, 2002Assignee: BASF AktiengesellschaftInventors: Stefan Engel, Joachim Rheinheimer, Ernst Baumann, Wolfgang von Deyn, Regina Luise Hill, Guido Mayer, Ulf Misslitz, Oliver Wagner, Matthias Witschel, Martina Otten, Helmut Walter, Karl-Otto Westphalen
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Publication number: 20020073892Abstract: An ink set consists of several inks containing at least one of a red ink and a magenta ink, one of a blue ink and a cyan ink, and a yellow ink for piezo inkjet printers operating according to a drop-on-demand method. Each one of the inks contains at least one water-soluble dye as a principal colorant, a solvent, and one or more anti-drying agents. The solvent is substantially water. A first one of the inks contains “Direct Blue 189” as a primary or exclusive dye, a second one of the inks contains “Reactive Red 180” as a primary or exclusive dye, and a third one of the inks contains “Reactive Yellow 37” as a primary or exclusive dye. A black ink may be added to the ink set.Type: ApplicationFiled: August 24, 2001Publication date: June 20, 2002Inventor: Stefan Engel
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Patent number: 6407268Abstract: 4-Benzoylpyrazoles of the formula I where: R1 and R2 are each hydrogen, mercapto, nitro, halogen, cyano, thiocyanato, C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy, C2-C6-alkenyl, C2-C6-alkynyl, —OR10, —OCOR10, —OSO2R10, —S(O)nR10, —SO2OR10, —SO2NR3R10, —NR10SO2R10 or —NR10COR; Q is a pyrazole of the formula II, which is attached in position 4 and, Substituted 4-benzoylpyralozoles.Type: GrantFiled: June 6, 2000Date of Patent: June 18, 2002Assignee: BASF AktiengesellschaftInventors: Stefan Engel, Ernst Baumann, Wolfgang von Deyn, Regina Luise Hill, Uwe Kardorff, Guido Mayer, Martina Otten, Joachim Rheinheimer, Oliver Wagner, Matthias Witschel, Ulf Misslitz, Helmut Walter
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Patent number: 6372693Abstract: The invention relates to 2-(3-alkenylbenzoyl)cyclohexane-1,3-diones of the formula I where the variables have the following meanings: R1, R2 are hydrogen, nitro, halogen, cyano, thiocyanato, alkyl, haloalkyl, alkoxyalkyl, alkenyl, alkynyl, —OR6, —OCOR7, —OSO2R7, —SH, —S(O)nR8, —SO2OR6, —SO2NR6R9, —NR9SO2R7 or —NR9COR7; R3 is hydrogen, halogen, alkyl, haloalkyl, alkoxy, alkenyl, alkynyl; R4, R5 are hydrogen, nitro, halogen, cyano, thiocyanato, alkyl, haloalkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, alkoxy, alkylthio, haloalkoxy, —COR10, —CO2R10, —COSR10, —CONR10R11, —C(R12)═NR13, —PO(OR10)(OR11); unsubstituted or substituted alkyl, heterocyclyl, heterocyclylalkyl, phenyl, phenylalkyl, hetaryl or hetarylalkyl; or R4 and R5 together form an alkanediyl chain which can be substituted and/or can be interrupted by a hetero atom; Q is an unsubstituted or substituted cyclohexane-1,3-dione ring whType: GrantFiled: November 2, 1999Date of Patent: April 16, 2002Assignee: BASF AktiengesellschaftInventors: Ernst Baumann, Wolfgang von Deyn, Stefan Engel, Regina Luise Hill, Uwe Kardorff, Guido Mayer, Martina Otten, Michael Rack, Joachim Rheinheimer, Matthias Witschel, Karl-Otto Westphalen, Ulf Misslitz, Helmut Walter