Patents by Inventor Werner Fliege
Werner Fliege 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: 4319055Abstract: A process for removing formaldehyde from aqueous solutions of but-2-yne-1,4-diol by treating the solutions with an alkaline agent at an elevated temperature in the presence of hydrogen peroxide.Type: GrantFiled: August 1, 1980Date of Patent: March 9, 1982Assignee: BASF AktiengesellschaftInventors: Walter Rebafka, Gerd Heilen, Werner Fliege
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Patent number: 4273945Abstract: Saturated aliphatic, cycloaliphatic and araliphatic aldehydes are prepared by selective hydrogenation of the corresponding olefinically unsaturated aldehydes with hydrogen in the liquid phase over a palladium-containing catalyst, using a catalyst system in which the active constituents are from 2 to 90% by weight of palladium and from 10 to 98% by weight of an oxide or a salt of a rare earth metal or of a mixture of different oxides and/or salts of this type.Type: GrantFiled: July 5, 1979Date of Patent: June 16, 1981Assignee: BASF AktiengesellschaftInventors: Gerd Heilen, Axel Nissen, Wolfgang Koernig, Michael Horner, Werner Fliege, Guenter Boettger
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Patent number: 4239657Abstract: Aldehydes or ketones of not less than 4 or 5 carbon atoms, respectively, are manufactured in a one stage process in the liquid phase by subjecting aldehydes and/or ketones of not less than 2 or 3 carbon atoms, respectively, to an aldol condensation and hydrogenating the resulting olefinically unsaturated aldehyde, the catalyst used for the aldol condensation and hydrogenation containing nickel or cobalt or their mixtures, zinc oxide and at least one of the elements iron, arsenic, antimony, bismuth, gallium, indium, thallium, germanium, tin, lead, cadmium and mercury or compounds of the said elements.Type: GrantFiled: February 12, 1979Date of Patent: December 16, 1980Assignee: BASF AktiengesellschaftInventors: Axel Nissen, Gerd Heiien, Ekkehard Sapper, Werner Fliege, Arnold Wittwer
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Patent number: 4235823Abstract: Diketones are prepared by oxidizing glycols in the presence of a silver catalyst and/or copper catalyst of a specific particle size, under specific temperature conditions and with a specific composition of the catalyst. The end products are starting materials for the preparation of dyes, drugs, plastics, scents, wrinkle-resist finishes and assistants for increasing the tear strength and resilience of fibrous materials, hardeners for use in the photographic industry, textile assistants for preventing shrinkage after washing, and paper assistants.Type: GrantFiled: June 26, 1979Date of Patent: November 25, 1980Assignee: BASF AktiengesellschaftInventors: Christian Dudeck, Gunter Lehmann, Karl-Heinz Ross, Werner Fliege, Norbert Petri, Hans Diem, Bernd Meissner, Wolfgang Sauer
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Patent number: 4233246Abstract: Aliphatic hydroxycarbonyl compounds etherified with aliphatic groups are prepared by oxidizing hydroxyalcohols in the presence of a metal catalyst which consists of one or more layers, each of a particular weight and each containing particles of a particular size, the catalyst bed also having a particular total thickness, and the catalyst components used being silver and copper, with or without added copper/tin/phosphorus or silver alone. The etherified hydroxyaldehydes and hydroxyketones obtainable by the process of the invention are valuable starting materials for the preparation of dyes, pesticides, plastics and scents.Type: GrantFiled: December 20, 1978Date of Patent: November 11, 1980Assignee: BASF AktiengesellschaftInventors: Christian Dudeck, Gunter Lehmann, Norbert Petri, Hans Diem, Werner Fliege, Bernd Meissner, Karl-Heinz Ross, Wolfgang Muehlthaler
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Patent number: 4229590Abstract: Alkyl pyruvates are prepared by oxidizing alkyl lactates in the presence of a silver catalyst of a defined particle size, at from 450.degree. to 700.degree. C. The products are starting materials for the preparation of drugs, synthetic resins and plastics.Type: GrantFiled: February 8, 1979Date of Patent: October 21, 1980Assignee: BASF AktiengesellschaftInventors: Christian Dudeck, Gunter Lehmann, Bernd Meissner, Hans Diem, Werner Fliege, Norbert Petri, Karl-Heinz Ross
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Patent number: 4224254Abstract: Aromatic and araliphatic aldehydes are prepared by oxidizing corresponding alcohols with oxygen in the presence of a silver catalyst of a defined particle size, and under defined temperature conditions. The products are starting materials for the preparation of dyes, pesticides, plastics and scents.Type: GrantFiled: March 28, 1979Date of Patent: September 23, 1980Assignee: BASF AktiengesellschaftInventors: Wolfgang Sauer, Werner Fliege, Christian Dudeck, Norbert Petri
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Patent number: 4212825Abstract: Aldehydes or ketones of not less than 4 or 5 carbon atoms, respectively, are manufactured in a one stage process in the liquid phase by subjecting aldehydes and/or ketones of not less than 2 or 3 carbon atoms, respectively, to an aldol condensation and hydrogenating the resulting olefinically unsaturated aldehyde, the catalyst used for the aldol condensation and hydrogenation containing a mixture of nickel and cobalt, zinc oxide and at least one of the elements iron, arsenic, antimony, bismuth, gallium, indium, thallium, germanium, tin, lead, cadmium and mercury or compounds of the said elements.Type: GrantFiled: November 16, 1977Date of Patent: July 15, 1980Assignee: BASF AktiengesellschaftInventors: Axel Nissen, Gerd Heilen, Ekkehard Sapper, Werner Fliege, Arnold Wittwer
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Patent number: 4192820Abstract: 3-Methyl-2-buten-1-al is prepared by isomerizing 3-methyl-3-buten-1-al in the presence of acidic or basic compounds. The product is a starting material for the manufacture of dyes, pesticides, pharmaceuticals, plastics and scents.Type: GrantFiled: March 28, 1978Date of Patent: March 11, 1980Assignee: BASF AktiengesellschaftInventors: Bernd Meissner, Werner Fliege, Otto Woerz, Christian Dudeck, Hans Diehm
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Patent number: 4188344Abstract: 4-(m,m'-ditert.-butyl-p-hydroxyphenyl)-butan-2-ones are produced by reaction of a 4-hydroxybutanone-(2) with 2,6-ditert.-butylphenol in the presence of a strong acid at elevated temperature. The compounds obtainable by the process, particularly 4-(m,m'-ditert.-butyl-p-hydroxyphenyl)-butane-2-one, are starting materials for the production of dyes, pest control agents and plastics auxiliaries and particularly of stabilizers for polyolefins and polyamides.Type: GrantFiled: January 3, 1978Date of Patent: February 12, 1980Assignee: BASF AktiengesellschaftInventors: Roman Fischer, Werner Fliege, Wolfgang Koernig, Bernd Meissner
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Patent number: 4165342Abstract: 3-Alkyl-buten-1-als are prepared by oxidative dehydrogenation of 3-alkyl-buten-1-ols in the presence of a silver catalyst, of a particular total thickness, comprising 2 or more layers each of a particular weight and containing particles of a particular size. The products are starting materials for the manufacture of dyes, pesticides, drugs, plastics, naturally occurring materials and scents.Type: GrantFiled: April 3, 1978Date of Patent: August 21, 1979Assignee: BASF AktiengesellschaftInventors: Christian Dudeck, Hans Diehm, Fritz Brunnmueller, Bernd Meissner, Werner Fliege
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Patent number: 4146581Abstract: A process for the manufacture of higher ketones by reacting an aldehyde with a ketone in the presence of hydrogen over a catalyst system which contains, firstly, oxides or salts of the rare earth metals and, secondly, metals of group VIII of the periodic table of the elements. The process gives numerous higher ketones, required, for example, as solvents for surface coatings, or as scents, with high conversions and good selectivities, and therefore more simply and more economically than conventional methods.Type: GrantFiled: March 30, 1977Date of Patent: March 27, 1979Assignee: BASF AktiengesellschaftInventors: Axel Nissen, Otto Woerz, Gerd Heilen, Werner Fliege, Arnold Wittwer
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Patent number: 4119644Abstract: Dyes of the formula ##STR1## where X is chlorine or bromine, Y is ##STR2## and n is 0, 1 or 2. On synthetic fiber materials, the dyes give clear blue colorations which are very fast to thermofixing and fast to light.Type: GrantFiled: May 2, 1977Date of Patent: October 10, 1978Assignee: BASF AktiengesellschaftInventors: Gerhard Epple, Walter Himmele, Werner Fliege
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Patent number: 4104287Abstract: Novel 4-(m,m'-di-t-butyl-p-hydroxyphenyl)-butyl-2 compounds which are intermediates in the manufacture of dyes, pesticides and plastics auxiliaries, particularly stabilizers for polyolefins and polyamides. When molten, they form specific solvents for alkylphenols and are perfumes or form ingredients of perfume compositions having a fruity odor.Type: GrantFiled: November 18, 1976Date of Patent: August 1, 1978Assignee: BASF AktiengesellschaftInventors: Roman Fischer, Werner Fliege, Wolfgang Koernig, Peter Horn
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Patent number: 4100191Abstract: Novel 4-(m,m'-di-t-butyl-p-hydroxyphenyl)-butyl-2 diamides of aliphatic, araliphatic, cycloaliphatic or aromatic dicarboxylic acids which are intermediates in the manufacture of dyes, pesticides and plastics auxiliaries, particularly stabilizers for polyolefins and polyamides. When molten, they form specific solvents for alkylphenols and are perfumes or form ingredients of perfume compositions having a fruity odor.Type: GrantFiled: November 18, 1976Date of Patent: July 11, 1978Assignee: BASF AktiengesellschaftInventors: Roman Fischer, Werner Fliege, Wolfgang Koernig, Peter Horn
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Patent number: 4049571Abstract: A process for the manufacture of a catalyst capable of causing condensation of aldehydes with ketones or ketones with each other while simultaneously hydrogenating the resulting olefinically unsaturated ketones to saturated ketones in the presence of hydrogen without attacking the ketone group, and containing zinc in addition to nickel or cobalt. The catalyst is subjected, prior to use, to a surface after-treatment with a zinc salt.Type: GrantFiled: May 21, 1976Date of Patent: September 20, 1977Assignee: BASF AktiengesellschaftInventors: Axel Nissen, Werner Fliege, Dieter Voges
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Patent number: 4026952Abstract: Novel 4-(m,m'-di-t-butyl-p-hydroxyphenyl)-butyl-2 compounds whihc are intermediates in the manufacture of dyes, pesticides and plastics auxiliaries, particularly stabilizers for polyolefins and polyamides. When molten, they form specific solvents for alkylphenols and are perfumes or form ingredients of perfume compositions having a fruity odor.Type: GrantFiled: February 19, 1974Date of Patent: May 31, 1977Assignee: BASF AktiengesellschaftInventors: Roman Fischer, Werner Fliege, Wolfgang Keernig, Peter Horn
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Patent number: 4021408Abstract: New bis-[4-(m,m'-di-tert.-butyl-p-hydroxyphenyl)-butyl-(2)] dicarboxylic acid esters which are starting materials for the manufacture of dyes, pesticides and additives for plastics, especially stabilizers for polyolefins and polyamides, and are themselves stabilizers, aging retardants or antioxidants for organic products.Type: GrantFiled: April 3, 1975Date of Patent: May 3, 1977Assignee: BASF AktiengesellschaftInventors: Peter Horn, Gernot Teege, Werner Fliege, Frank Weiss, Bernd Meissner
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Patent number: 3994897Abstract: Carboxylic acids are manufactured by reaction of methyl ketones with hypochlorites in the presence of bromine, iodine, haloamides, and/or polymerization inhibitors. The products are starting materials for the manufacture of dyes, plant protection agents, tanning agents, pickling agents, bates, vulcanizing agents and scents.Type: GrantFiled: March 6, 1975Date of Patent: November 30, 1976Assignee: BASF AktiengesellschaftInventors: Hans-Juergen Quadbeck-Seeger, Werner Fliege, Peter Tonne
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Patent number: 3966827Abstract: The production of 3-methylpentane-1,5-diol by hydroformylation of 2-methylbut-1-en-4-ol with carbon monoxide and hydrogen at elevated temperature and superatmospheric pressure in the presence of a rhodium carbonyl complex which has been modified by a tertiary organic phosphine followed by hydrogenation of the 2-hydroxy-4-methyltetrahydropyran at elevated temperature and superatmospheric pressure in the presence of a hydrogenation catalyst.Type: GrantFiled: January 16, 1975Date of Patent: June 29, 1976Assignee: BASF AktiengesellschaftInventors: Werner Aquila, Walter Himmele, Werner Fliege, Hardo Siegel