Patents by Inventor Peter Feyen
Peter Feyen 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: 5427795Abstract: New solid formulations ofA) at least one agrochemical active compound,B) at least one additive from the groups mentioned in the description,C) at least one dispersant,D) at least one carrier andE) if appropriate, further active compounds and/or additives,a process for preparing the solid formulations and their use for treating plants.A new device for preparing new granules.Type: GrantFiled: March 22, 1993Date of Patent: June 27, 1995Assignee: Bayer AktiengesellschaftInventors: Peter Feyen, Uwe Priesnitz, Raphael Weischollek, Wolfgang Thielert, Stefan Dutzmann, Dieter Feucht, Ulrike Wachendorff-Neumann
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Patent number: 5230892Abstract: New solid formulations ofA) at least one agrochemical active compound,B) at least one additive from the groups mentioned in the description,C) at least one dispersant,D) at least one carrier andE) if appropriate, further active compounds and/or additives,a process for preparing the solid formulations and their use for treating plants.A new device for preparing new granules.Type: GrantFiled: July 10, 1992Date of Patent: July 27, 1993Assignee: Bayer AktiengesellschaftInventors: Peter Feyen, Uwe Priesnitz, Raphael Wieschollek, Wolfgang Thielert, Stefan Dutzmann, Dieter Feucht, Ulrike Wachendorff-Neumann
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Patent number: 4929735Abstract: A process for the preparation of an oxirane of the formula ##STR1## in which X is 4-chlorobenzyl, 4-phenylphenoxy or 1H-(1,2,4)-triazolyl,comprising reacting dimethyl sulphate with an excess of dimethyl sulphide thereby to form trimethylsulphonium methyl-sulphate of the formula(CH.sub.3).sub.3 S.sym.CH.sub.3 SO.sub.4 .crclbar.,and without prior isolation reacting the trimethylsulphonium methyl-sulphate with a keytone of the formula ##STR2## in the presence of solid potassium hydroxide or sodium hydroxide in dimethyl sulphide at a temperature between 0.degree. C. and 50.degree. C.Type: GrantFiled: April 22, 1988Date of Patent: May 29, 1990Assignee: Bayer AktiengesellschaftInventors: Wolf Reiser, Peter Feyen
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Patent number: 4923786Abstract: A granulate mixture containing at least three different granulates of solid constituents of a color photographic developer, one granulate containing the protective agent against oxidation, another granulate containing the developer substance and the third granulate containing the alkali donor, is pourable, produces no dust, rapidly dissolves in water, has unlimited durability and gives reliable, reproducible results on development.Type: GrantFiled: August 18, 1989Date of Patent: May 8, 1990Assignee: Afga-Gevaert AktiengesellschaftInventors: Peter Kuhnert, Peter Feyen
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Patent number: 4804766Abstract: A process for the preparation of the (-)-antipode of (E)-1-cyclohexyl-4,4-dimethyl-3-hydroxy-2-(1,2,4-triazol-1-yl)-pent-1-ene of the formula ##STR1## which comprises reacting the (E)-isomer of 1-cyclohexyl-4,4-dimethyl-2-(1,2,4-triazol-1-yl)-pent-1-en-3-one of the formula ##STR2## with lithium aluminum hydride in the presence of an inert organic diluent and in the presence of a chiral aminoalcohol at a temperature between -70.degree. C. and +50.degree. C. The (-)-antipode is produced in high selectivity, using (-)-N-methyl-ephedrine.Type: GrantFiled: March 3, 1986Date of Patent: February 14, 1989Assignee: Bayer AktiengesellschaftInventors: Udo Kraatz, Peter Feyen
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Patent number: 4789746Abstract: A process for the preparation of the (+)-antipode of (E)-1-cyclohexyl-4,4-dimethyl-3-hydroxy-2-(1,2,4-tri-azol-1-yl)-pent -1-ene of the formula ##STR1## which comprises reacting the (E)-isomer of 1-cyclohexyl-4,4-dimethyl-2-(1,2,4-triazol-1-yl)-pent-1-en-3-one of the formula ##STR2## with lithium aluminum hydride in the presence of an inert organic diluent and in the presence of a chiral amino alcohol at a temperature between -80.degree. C. and +50.degree. C. The (+)-antipode is produced in high selectivity, using (+)-N-methyl-ephedrine.Type: GrantFiled: March 3, 1986Date of Patent: December 6, 1988Assignee: Bayer AktiengesellschaftInventors: Udo Kraatz, Peter Feyen
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Patent number: 4607108Abstract: The known E-isomers of compounds of the formula ##STR1## in which X and Y independently of each other represent hydrogen or halogen,are obtained according to a new process, in which triazolylketones of the formula ##STR2## in which X and Y have the above mentioned meaning, are reacted with an excess of cyclohexanecarbaldehyde in the presence of a non-polar organic diluent and in the presence of a catalyst mixture of organic acids and secondary amines in a molar ratio of 1:0.5 to 1:1 at temperatures between 40.degree. and 100.degree. C. by continuously removing the water formed and subsequently working up in the manner that is described in the specification.Type: GrantFiled: June 22, 1984Date of Patent: August 19, 1986Assignee: Bayer AktiengesellschaftInventors: Peter Feyen, Gebhard Rauleder, Wolf Reiser
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Patent number: 4537730Abstract: A simplified process for preparing the known insecticide 0,S-dimethylthiolphosphoric acid amide of the formula ##STR1## inexpensively, in high purity and with minimum waste water and gas which would have to be specially treated to avoid environmental pollution, comprises(a) contacting 0,0 dimethyl-thiophosphoric acid amide of the formula ##STR2## in which Me is sodium or potassium, separating the aqueous phase,(b) optionally adding an organic solvent to the aqueous phase, and reacting the mass with methyl bromide or methyl chloride thereby to form the 0,S-dimethyl-thiolphosphoric acid amide, and either(c) extracting the amide with a sparingly water-miscible solvent thereby to dissolve the amide, or(d) concentrating the reaction mixture from the methylation step (b), by distillation, until the alkali metal halide formed has separated out, and filtering off the alkali metal halide.Type: GrantFiled: July 21, 1983Date of Patent: August 27, 1985Assignee: Bayer AktiengesellschaftInventors: Peter Feyen, Hermann Seifert, Egon Kohler
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Patent number: 4501897Abstract: A process for the preparation of E-isomers of 1-cyclohexyl-2-(1,2,4-triazol-1-yl)-1-penten-3-one derivatives of the formula ##STR1## in which X and Y independently of one another represent hydrogen or halogen by contacting isomers of 1-cyclohexyl-2-(1,2,4-triazol-1-yl)-1-penten-3-one derivatives of the formula ##STR2## in which X and Y have the previously indicated meaning with at least one secondary amine, if desired in the presence of water and/or in the presence of a water immiscible solvent.Type: GrantFiled: August 16, 1983Date of Patent: February 26, 1985Assignee: Bayer AktiengesellschaftInventors: Wolf Reiser, Hans-Ludwig Elbe, Peter Feyen
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Patent number: 4416834Abstract: A process for the preparation of a compound of the formula ##STR1## in which R is alkyl,X is oxygen or sulphur andR' is hydrogen or alkyl,comprising reacting a thiophosphate of the formula ##STR2## in which M is a cation other than NH.sub.4.sup..sym., with an ethylmercapto compound of the formula ##STR3## in which Y is a fugitive group, in a polar reaction medium at a temperature between about 30.degree. and 80.degree. C. and at a pH between about 2 and 9. Advantageously X is oxygen and the thiophosphate is produced by reaction of a dialkyl phosphite of the formula ##STR4## with sulphur in the presence of an organic base in an organic solvent and subsequent extraction with aqueous MOH solution. Also Y is advantageously chlorine and the ethylmercapto compound is prepared by heating the corresponding alcohol to about 40.degree.-100.degree. C. and passing hydrogen chloride gas into the pre-warmed alcohol, the reaction solution being used directly without working up.Type: GrantFiled: September 24, 1980Date of Patent: November 22, 1983Assignee: Bayer AktiengesellschaftInventors: Peter Feyen, Friedrich Schmidt
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Patent number: 4338434Abstract: 2-Hetero-acetamido-penicillanates and cephalosporinates of the formula ##STR1## in which R is hydrogen or lower alkoxy,Z is ##STR2## R.sup.1 and R .sup.2 independently or together are various radicals, A is --CH.sub.2 --CH.sub.2 --,--CH.sub.2 --CH.sub.2 --CH.sub.2 -- or ##STR3## n is 1 or 2, X is S,O,SO,SO.sub.2 or --CH.sub.2 --,Y is the balance of a penicillin or cephalosporin moiety, andB is a heterocyclic radical, in the form of the acid, a hydrate thereof, a salt thereof or a salt of the hydrate, exhibit marked anti-bacterial properties rendering them suited for use as antibiotics and animal feed supplements.Type: GrantFiled: June 4, 1979Date of Patent: July 6, 1982Assignee: Bayer AktiengesellschaftInventors: Michael Preiss, Hans-Bodo Konig, Karl G. Metzger, Peter Feyen
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Patent number: 4327040Abstract: A process for the preparation of a phosphoric acid propargyl ester of the formula ##STR1## wherein R.sup.1 and R.sup.2 each independently is an aryl radical or a C.sub.1-4 -alkyl, C.sub.1-4 -alkenyl or C.sub.1-4 -alkynyl radical, andX, Y and Z each independently is oxygen or sulphur, comprising reacting a phosphoric acid monoester chloride or diester chloride with at least the equivalent amount of propargyl alcohol in a two-phase system in the presence of an inorganic base as an acid-trapping agent, and a catalyst comprising about 0.001 to 100 mol %, relative to the phosphoric acid ester chloride, of a tertiary amine or quaternary ammonium or phosphonium salt with at least 9 C atoms. Advantageously the catalyst is present in about 0.01 to 10 mol % relative to the phosphoric acid ester chloride and is a tertiary amine or quaternary ammonium salt, X, Y and Z are oxygen, R.sup.1 is propargyl and R.sup.2 is C.sub.Type: GrantFiled: June 9, 1980Date of Patent: April 27, 1982Assignee: Bayer AktiengesellschaftInventors: Gunter Arend, Peter Feyen
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Patent number: 4251524Abstract: Antibacterially active and animal feedstuff supplement .beta.-lactam antibiotics of the formula ##STR1## in which R is H or --UR',U is O or S,R' is optionally substituted alkyl, alkenyl, alkinyl, aralkyl, aryl or cycloalkyl, ##STR2## R.sup.1 and R.sup.2 individually are hydrogen or, individually or together with the carbon atom to which they are bonded, are any of various radicals,A is --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --CH.sub.2 --CH.sub.2 -- or ##STR3## B is optionally substituted phenyl or is cyclohexenyl or cyclohexadienyl; X is S, O, SO, SO.sub.2 or --CH.sub.Type: GrantFiled: June 29, 1979Date of Patent: February 17, 1981Assignee: Bayer AktiengesellschaftInventors: Peter Feyen, Michael Preiss, Karl G. Metzger
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Patent number: 4218451Abstract: New penicillins of the formula ##STR1## in which ##STR2## E is oxygen or sulphur, and R.sub.1 and R.sub.2 are hydrogen or various organic radicals with certain provisos,or salts thereof, are antibacterially ative and useful as antibiotics in pharmacy, as animal feed supplements for promoting growth, and as preservatives.Type: GrantFiled: June 29, 1978Date of Patent: August 19, 1980Assignee: Bayer AktiengesellschaftInventors: Peter Feyen, Hans-Bodo Konig, Karl G. Metzger
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Patent number: 4215118Abstract: 2-Hetero-acetamido-penicillanates and cephalosporinates of the formula ##STR1## in which R is hydrogen or lower alkoxy,Z is ##STR2## R.sup.1 and R.sup.2 independently or together are various radicals, A is --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --CH.sub.2 --CH.sub.2 -- or ##STR3## n is 1 or 2, X is S,O,SO,SO.sub.2 or --CH.sub.2 --,Y is the balance of a penicillin or cephalosporin moiety, andB is a heterocyclic radical, in the form of the acid, a hydrate thereof, a salt thereof or a salt of the hydrate, exhibit marked anti-bacterial properties rendering them suited for use as antibiotics and animal feed supplements.Type: GrantFiled: July 10, 1978Date of Patent: July 29, 1980Assignee: Bayer AktiengesellschaftInventors: Michael Preiss, Hans-bodo Konig, Karl G. Metzger, Peter Feyen
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Patent number: 4200576Abstract: Antibacterially active and animal feedstuff supplement .beta.-lactam antibiotics of the formula ##STR1## in which R is H or --UR',U is O or S,R' is optionally substituted alkyl, alkenyl, alkinyl, aralkyl, aryl or cycloalkyl,Z is ##STR2## R.sup.1 and R.sup.2 individually are hydrogen or, individually or together with the carbon atom to which they are bonded, are any of various radicals,A is --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --CH.sub.2 --CH.sub.2 -- or ##STR3## B is optionally substituted phenyl or is cyclohexenyl or cyclohexadienyl; X is S, O, SO, SO.sub.2 or --CH.sub.Type: GrantFiled: December 20, 1977Date of Patent: April 29, 1980Assignee: Bayer AktiengesellschaftInventors: Peter Feyen, Michael Preiss, Karl G. Metzger