Patents by Inventor Daniel Heineke
Daniel Heineke 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: 6989346Abstract: Olefinically unsaturated hydrocarbons are prepared from corresponding paraffinic hydrocarbons, in particular propylene is prepared from propane, by dehydrogenation over a catalyst comprising an oxide of a transition metal of group IV B of the Periodic Table, eg. TiO2 or ZrO2, and possibly at least one element selected from among elements of transition group VIII, eg. palladium, platinum or rhodium, and/or an element of transition group VI, eg. chromium, molybdenum or tungsten, and/or rhenium and/or tin and possibly a compound of an alkali metal or alkaline earth metal, a compound of main group III or transition group III or zinc.Type: GrantFiled: January 13, 2003Date of Patent: January 24, 2006Assignee: BASF AktiengesellschaftInventors: Daniel Heineke, Michael Baier, Dirk Demuth, Klaus Harth
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Patent number: 6716789Abstract: The disclosure is directed to a process for preparing an oxidic catalyst comprising copper in an oxidation state >0, which comprises treating a solid oxidic support material with an aqueous solution comprising at least one copper salt and at least one organic water soluble polymer which binds copper ions coordinatively in a concentration of from 0.1 to 100 g/l and then calcining, to the catalyst obtainable by this process and also to a process for dehydrogenating secondary alcohols to ketones using the catalysts, especially for dehydrogenating cyclohexanol.Type: GrantFiled: June 21, 2000Date of Patent: April 6, 2004Assignee: BASF AktiengesellschaftInventors: Daniel Heineke, Ruprecht Meissner, Michael Hesse, Henning-Peter Gehrken
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Patent number: 6670303Abstract: Catalysts having a bimodal pore radius distribution comprise a) from 10 to 99.9% by weight of zirconium dioxide and b) from 0 to 60% by weight of aluminum oxide, silicon dioxide and/or titanium dioxide and c) from 0.1 to 10% by weight of at least one element of main group I or II, an element of transition group III, an element of transition group VIII, of the Periodic Table of the Elements, lanthanum and/or tin, with the proviso that the sum of the percentages by weight is 100.Type: GrantFiled: July 25, 2000Date of Patent: December 30, 2003Assignee: BASF AktiengesellschaftInventors: Daniel Heineke, Klaus Harth, Uwe Stabel
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Publication number: 20030163012Abstract: Olefinically unsaturated hydrocarbons are prepared from corresponding paraffinic hydrocarbons, in particular propylene is prepared from propane, by dehydrogenation over a catalyst comprising an oxide of a transition metal of group IV B of the Periodic Table, eg. TiO2 or ZrO2, and possibly at least one element selected from among elements of transition group VIII, eg. palladium, platinum or rhodium, and/or an element of transition group VI, eg. chromium, molybdenum or tungsten, and/or rhenium and/or tin and possibly a compound of an alkali metal or alkaline earth metal, a compound of main group III or transition group III or zinc.Type: ApplicationFiled: January 13, 2003Publication date: August 28, 2003Inventors: Daniel Heineke, Michael Baier, Dirk Demuth, Klaus Harth
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Patent number: 6576804Abstract: Olefinically unsaturated hydrocarbons are prepared from corresponding paraffinic hydrocarbons, in particular propylene is prepared from propane, by dehydrogenation over a catalyst comprising an oxide of a transition metal of group IV B of the Periodic Table, eg. TiO2 or ZrO2, and possibly at least one element selected from among elements of transition group VIII, eg. palladium, platinum or rhodium, and/or an element of transition group VI, eg. chromium, molybdenum or tungsten, and/or rhenium and/or tin and possibly a compound of an alkali metal or alkaline earth metal, a compound of main group III or transition group III or zinc.Type: GrantFiled: June 16, 1999Date of Patent: June 10, 2003Assignee: BASF AktiengesellshaftInventors: Daniel Heineke, Michael Baier, Dirk Demuth, Klaus Harth
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Patent number: 6197720Abstract: The invention relates to colloidal palladium composed of palladium clusters with an average particle diameter 0.2 nm≦d≦2 nm with at least 80% of the palladium clusters having a particle diameter which differs by not more than 0.2 nm from the average particle diameter d, it being possible for the palladium clusters to have protective ligands on the surface. The invention further relates to a process for preparing a colloidal solution of palladium by reacting a palladium salt with a reducing agent in solution at from 0 to 300° C., employing a branched-chain alcohol as reducing agent and phosphines and/or aromatic nitrogen compounds as protective ligands. The invention further relates to palladium-containing heterogeneous catalysts comprising colloidal palladium applied to a carrier, and to a process for their preparation.Type: GrantFiled: November 23, 1998Date of Patent: March 6, 2001Assignee: BASF AktiengesellschaftInventors: Daniel Heineke, Ekkehard Schwab, Martin Fischer, Guenter Schmid, Monika Baeumle
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Patent number: 6083468Abstract: A hydrogenation catalyst is prepared by reduction of platinum in an oxidation state of not less than two using a reducing agent in an aqueous medium in the presence of a carbon-containing support after partial poisoning, where use is made of a compound of the general formula I ##STR1## where X, Y and Z can be identical or different and are hydrogen, C.sub.1 -C.sub.18 -alkyl, C.sub.5 -C.sub.10 -cycloalkyl, halogen, hydroxyl, C.sub.1 -C.sub.6 -alkoxy and --NR'R", where R, R' and R" can be identical or different and can be hydrogen, C.sub.1 -C.sub.18 -alkyl or C.sub.5 -C.sub.10 -cycloalkyl. Such a hydrogenation catalyst can be used for preparing hydroxylammonium salts and the process for preparing the above catalysts can also be used for regenerating hydrogenation catalysts based on platinum.Type: GrantFiled: October 8, 1998Date of Patent: July 4, 2000Assignee: BASF AktiengesellschaftInventors: Daniel Heineke, Gunther Achhammer, Heinz-Walter Schneider, Alfred Thome
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Patent number: 6063939Abstract: Unsaturated cyclic ethers of the formula I ##STR1## whereZ is --(CHR.sup.4).sub.q -- or --(CHR.sup.4).sub.q --O--,q is 0, 1, 2 or 3 andR.sup.1,R.sup.2,R.sup.3,R.sup.4 are hydrogen or C.sub.1 -C.sub.4 -alkylare prepared by reacting diols of the formula II ##STR2## where Z, R.sup.1, R.sup.2 and R.sup.3 are as defined above, in the liquid phase at from 150 to 300.degree. C. in the presence of a cobalt-containing supported catalyst which has not been activated by reduction before use and comprises cobalt and a noble metal selected from the group consisting of platinum, palladium, rhodium, iridium, ruthenium, osmium, rhenium or a mixture thereof applied by sol impregnation on an inert support, wherein the supported catalyst is doped with sulfur. Sulfur-doped supported catalysts comprising cobalt and noble metals are also provided.Type: GrantFiled: January 7, 1999Date of Patent: May 16, 2000Inventors: Carsten Groning, Michael Hesse, Daniel Heineke, Heinz-Josef Kneuper, Gerhard Fritz
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Patent number: 6013844Abstract: A process for preparing catechol monoethers or catechols of the formula Ia or Ib ##STR1## where R.sup.1 and R.sup.2 are, independently of one another, hydrogen or C.sub.1 -C.sub.8 hydrocarbon radicals, and R.sup.3 is a C.sub.1 -C.sub.8 hydrocarbon radical, which comprises a 2-hydroxycyclohexanone dialkyl ketal of the formula II or a 2-alkoxycyclohexanone of the formula III ##STR2## a) being reacted in the gas phase in the presence of palladium on zirconium oxide as catalyst to obtain compounds Ia orb) carrying out stage a) in the presence of water to obtain compounds Ib.Type: GrantFiled: July 15, 1998Date of Patent: January 11, 2000Assignee: BASF AktiengesellschaftInventors: Daniel Heineke, Uwe Dingerdissen, Joachim Wulff-Doring, Michael Hesse
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Process for the selective hydration of vinyloxirane to 1,2-butylene oxide of heterogeneous catalysts
Patent number: 5929261Abstract: A process for preparing 1,2-butylene oxide by catalytic hydrogenation of vinyloxirane over a heterogeneous catalyst comprises using a catalyst prepared by applying at least one element of groups 7 to 11 of the Periodic Table in the form of a sol to an inert support.Type: GrantFiled: July 15, 1998Date of Patent: July 27, 1999Assignee: BASF AktiengesellschaftInventors: Christoph Sigwart, Daniel Heineke, Klemens Flick -
Patent number: 5917023Abstract: Nitrobenzene or a nitrobenzene substituted on the nucleus is subjected to reductive coupling to give the corresponding azobenzene and azoxybenzene under heterogeneous catalysis with substantial avoidance of overreduction to aniline derivatives by means of a redox catalyst in its reduced or partly reduced form, the redox catalyst containing at least one active metal component capable of a change of oxidation state.Type: GrantFiled: June 5, 1997Date of Patent: June 29, 1999Assignee: BASF AktiengesellshcaftInventors: Alfred Hagemeyer, Daniel Heineke, Guido Voit, Tom Witzel
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Patent number: 5882619Abstract: A carbon-containing catalyst support is prepared by treating the carbon-containing catalyst support with a compound of the formula IM(OR).sub.m X.sub.n Iwhere M is Ti or Zr, X is Cl or Br, and R is C.sub.1 -C.sub.20 -alkyl, and m and n are integers from zero to four, where the sum of m and n is equal to four.Type: GrantFiled: November 26, 1996Date of Patent: March 16, 1999Assignee: BASF AktiengesellschaftInventors: Daniel Heineke, Karsten Eller, Heinz-Walter Schneider, Alfred Thome
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Patent number: 5817592Abstract: A process for the preparation of a hydrogenation catalyst by reduction of platinum in an oxidation stage of not less than 2 in an aqueous medium in the presence of a carboniferous support, optionally following partial poisoning with a sulfur, arsenic, tellurium, or antimony-containing compound, using a reducing agent, in which the reducing agent used is an ammonium or phosphonium salt of the general formula I?XR.sup.4 !.sub.n Y Iin which X stands for N or P, R stands for hydrogen, C.sub.1 --C.sub.18 alkyl, C.sub.5 --C.sub.10 cycloalkyl, phenyl radical, and also a C.sub.1 --C.sub.4 alkyl radical substituted by phenyl, the phenyl radicals being mono-to tri-substituted by C.sub.1 --C.sub.6 alkyl, halogen, nitro or amino, if desired, provided that the radicals R may be the same or different but cannot simultaneously denote hydrogen, if X is P, n is an integer of 1 to 3, and Y is an organic anion which can reduce platinum in an oxidation stage other than zero to platinum in the oxidation stage of zero.Type: GrantFiled: January 23, 1996Date of Patent: October 6, 1998Assignee: BASF AktiengesellschaftInventors: Daniel Heineke, Heinz-Walter Schneider, Alfred Thome
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Patent number: 5777163Abstract: Hydroxylamines are prepared from ammonia or the corresponding amines, hydrogen and oxygen by a process in which the starting materials are reacted under heterogeneous catalysis using an oxidation catalyst based on a titanium or vanadium silicalite having a zeolite structure and containing from 0.01 to 20% by weight of one or more platinum metals selected from the group consisting of ruthenium, rhodium, palladium, osmium, iridium and platinum, the platinum metals each being present in at least two different bond energy states.Type: GrantFiled: April 4, 1997Date of Patent: July 7, 1998Assignee: BASF AktiengesellschaftInventors: Ulrich Muller, Daniel Heineke
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Patent number: 5753583Abstract: A supported palladium catalyst having a palladium content of from 0.001 to 2 wt %, in which palladium is present, substantially in the absence of promotor metal, in the form of a layer having a thickness of less than 5000 nm forming a shell around the support, in which the palladium is applied in the form of a sol to a support by impregnation, or by spraying on to a heated support, and the use of said catalyst for the hydrogenation of acetylenes and dienes.Type: GrantFiled: December 28, 1995Date of Patent: May 19, 1998Assignee: BASF AktiengesellschaftInventors: Daniel Heineke, Klemens Flick, Martin Wunsch