Ketenes (e.g., Halogenated Ketenes, Etc.) Patents (Class 568/301)
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Patent number: 11766664Abstract: Disclosed herein are a dehydrogenation catalyst having single-atom cobalt loaded onto a silica support that has undergone pretreatment including a thermal treatment and a high-temperature aqueous treatment (reaction), a preparation method therefor, and a method for producing olefins by dehydrogenating corresponding paraffins, particularly light paraffins in the presence of the dehydrogenation catalyst.Type: GrantFiled: June 25, 2021Date of Patent: September 26, 2023Assignee: SK Innovation Co., Ltd.Inventors: Young Eun Cheon, Hee Soo Kim, Dong Min Yun, Ho Won Lee, Ju Hwan Im
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Patent number: 11701640Abstract: Disclosed herein are a dehydrogenation catalyst having single-atom cobalt loaded onto a silica support that has undergone pretreatment including a thermal treatment and a high-temperature aqueous treatment (reaction), a preparation method therefor, and a method for producing olefins by dehydrogenating corresponding paraffins, particularly light paraffins in the presence of the dehydrogenation catalyst.Type: GrantFiled: June 25, 2021Date of Patent: July 18, 2023Assignee: SK Innovation Co., Ltd.Inventors: Young Eun Cheon, Hee Soo Kim, Dong Min Yun, Ho Won Lee, Ju Hwan Im
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Publication number: 20150025266Abstract: In one embodiment, the present application discloses methods to selectively synthesize higher alcohols and hydrocarbons useful as fuels and industrial chemicals from syngas and biomass. Ketene and ketonization chemistry along with hydrogenation reactions are used to synthesize fuels and chemicals. In another embodiment, ketene used to form fuels and chemicals may be manufactured from acetic acid which in turn can be synthesized from synthesis gas which is produced from coal, biomass, natural gas, etc.Type: ApplicationFiled: July 16, 2013Publication date: January 22, 2015Applicant: Pioneer Energy, Inc.Inventors: John Henri, Jan Zygmunt, Mark Berggren, Robert Zubrin
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Publication number: 20120231630Abstract: Disclosed is an etching gas provided containing CHF2COF. The etching gas may contain, as an additive, at least one kind of gas selected from O2, O3, CO, CO2, F2, NF3, Cl2, Br2, I2, XFn (In this formula, X represents Cl, I or Br. n represents an integer satisfying 1?n?7.), CH4, CH3F, CH2F2, CHF3, N2, He, Ar, Ne, Kr and the like, from CH4, C2H2,C2H4,C2H6, C3H4, C3H6, C3H5, HI, HBr, HCl, CO, NO, NH3, H2 and the like, or from CH4, CH3F, CH2F2 and CHF3. This etching gas is not only excellent in etching performances such as the selection ratio to a resist and the patterning profile but also easily available and does not substantially by-produce CF4 that places a burden on the environment.Type: ApplicationFiled: November 19, 2010Publication date: September 13, 2012Applicant: Central Glass Company, LimitedInventors: Naoto Takada, Isamu Mori
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Patent number: 8119566Abstract: The present invention relates to novel 4-biphenyl-substituted pyrazolidine-3,5-dione derivatives of the formula (I) in which A, D, G, W, X, Y and Z are as defined above, to a plurality of processes for the preparation and to their use as pesticides and/or herbicides and/or microbicides. Moreover, the invention relates to selective herbicidal compositions comprising both the 4-biphenyl-substituted pyrazolidine-3,5-dione derivatives of the formula (I) and a crop plant compatibility-improving compound.Type: GrantFiled: August 2, 2004Date of Patent: February 21, 2012Assignee: Bayer CropScience AGInventors: Reiner Fischer, Thomas Bretschneider, Ernst Rudolf F. Gesing, Dieter Feucht, Karl-Heinz Kuck, Peter Lösel, Olga Malsam, Christian Arnold, Thomas Auler, Martin Jeffrey Hills, Heinz Kehne
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Patent number: 7960497Abstract: The embodiments of the process of the present invention relate to the preparation of alkyl ketene dimers (AKD), where the process combines at least one polyamine with a fatty acid chloride in a molar ratio of less than one mole of polyamine to one mole of fatty acid chloride thereby forming an alkyl ketene dimer/amine salt that is subsequently separated into an organic dimer layer and an aqueous salt layer.Type: GrantFiled: January 3, 2007Date of Patent: June 14, 2011Assignee: Hercules IncorporatedInventor: David A. Gerstenhaber
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Patent number: 7718757Abstract: An aromatic polymer, containing a repeating unit represented by Formula (I), and having properties (A1) and (B1): (A1) the number average degree of polymerization of an acetylated product obtained by acetylation of the hydroxyl groups of the polymer is 3 or more, and (B1) at a wavelength where an absolute value of molar ellipticity (degree·cm?2·dmol?1) per mole of the repeating unit of the acetylated product in a circular dichroism spectrum of the acetylated product reaches maximum in a wavelength range of from 200 to 350 nm, the absolute value is 50,000 or more: wherein R represents a hydrocarbon, hydrocarbon-oxy, hydrocarbon-mercapto or hydrocarbon-amino group that may be substituted; the two R's may bind to each other to form a ring; and the repeating unit represented by Formula (I) has no symmetrical plane that has two binding sites and that is perpendicular for the benzene ring.Type: GrantFiled: May 8, 2006Date of Patent: May 18, 2010Assignee: Sumitomo Chemical Company LimitedInventors: Shigeki Habaue, Soichiro Murakami, Hideyuki Higashimura
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Publication number: 20090305891Abstract: The disclosure relates to novel cycloalkylphenyl-substituted cyclic ketoenols of the formula (I) in which J, X, Y, m and CKE are as defined above, to processes and intermediates for their preparation and to their use as pesticides and/or herbicides. Moreover, the disclosure relates to selective herbicidal compositions comprising, firstly, the cycloalkylphenyl-substituted cyclic ketoenols and, secondly, a crop plant compatibility-improving compound. The disclosure furthermore relates to increasing the activity of crop protection compositions comprising compounds of the formula (I) by adding ammonium or phosphonium salts and, if appropriate, penetrants.Type: ApplicationFiled: February 8, 2007Publication date: December 10, 2009Applicant: Bayer CropScience AGInventors: Reiner Fischer, Thomas Bretschneider, Stefan Lehr, Dieter Feucht, Eva-Maria Franken, Olga Malsam, Alfred Angermann, Guido Bojack, Christian Arnold, Martin Jeffrey Hills, Heinz Kehne, Christopher Hugh Rosinger
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Patent number: 7582804Abstract: The present disclosure relates to the production of 2,2,4,4-tetraalkylcyclobutane-1,3-diol. In one embodiment, the present invention relates to the production of 2,2,4,4-tetraalkylcyclobutane-1,3-diol by hydrogenation of 2,2,4,4-tetraalkylcyclobutane-1,3-dione in the presence of a promoted copper-based catalyst.Type: GrantFiled: November 30, 2007Date of Patent: September 1, 2009Assignee: Eastman Chemical CompanyInventors: Jennifer Ellen McCusker-Orth, Jerome Leonard Stavinoha, Jr., Anthony Dominick Messina, Steven Thomas Perri, Zhufang Liu, Philip Conrad Heidt, Brent Alan Tennant
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Patent number: 7521583Abstract: The present invention relates to the production of 2,2,4,4-tetramethylcyclobutane-1,3-diol. In one embodiment, the present invention relates to the production of 2,2,4,4-tetramethylcyclobutane-1,3-diol by hydrogenation of 2,2,4,4-tetramethylcyclobutane-1,3-dione in the presence of a cobalt-based catalyst.Type: GrantFiled: November 30, 2007Date of Patent: April 21, 2009Assignee: Eastman Chemical CompanyInventors: Jennifer Ellen McCusker-Orth, Jerome Leonard Stavinoha, Jr., Anthony Dominick Messina, Steven Thomas Perri, Zhufang Liu, Philip Conrad Heidt, Brent Alan Tennant
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Patent number: 7435856Abstract: The present invention relates to a process for the preparation of dimethylketene (DMK) and then of polydimethylketene (PDMK) by polymerization of DMK. More specifically, the DMK is obtained by pyrolysis by isobutyric anhydride (IBAN), the latter decomposing under the effect of heat (pyrolysis) to give isobutyric acid (IBA) and DMK. One mole of pyrolyzed IBAN gives one mole of IBA and one mole of DMK.Type: GrantFiled: February 20, 2004Date of Patent: October 14, 2008Assignee: Arkema FranceInventors: Reinhard Linemann, Serge Hub, Guillaume Le, Georges Martino-Gauchi
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Publication number: 20080188371Abstract: The present invention relates to novel 4-biphenyl-substituted pyrazolidine-3,5-dione derivatives of the formula (I) in which A, D, G, W, X, Y and Z are as defined above, to a plurality of processes for the preparation and to their use as pesticides and/or herbicides and/or microbicides. Moreover, the invention relates to selective herbicidal compositions comprising both the 4-biphenyl-substituted pyrazolidine-3,5-dione derivatives of the formula (I) and a crop plant compatibility-improving compound.Type: ApplicationFiled: August 2, 2004Publication date: August 7, 2008Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFTInventors: Reiner Fischer, Thomas Bretschneider, Ernst Rudolf F. Gesing, Dieter Feucht, Karl-Heinz Kuck, Peter Losel, Olga Malsam, Christian Arnold, Thomas Auler, Martin Jeffrey Hills, Heinz Kehne
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Patent number: 7078569Abstract: Alkylketene dimers are prepared by reacting acyl chlorides with tertiary amines in a molar ratio of from 1:1 to 1:1.6 at from 65 to 150° C. and with a residence time of from 1 to 30 minutes in the absence of solvents with thorough mixing and isolation of the alkylketene dimers.Type: GrantFiled: November 19, 2002Date of Patent: July 18, 2006Assignee: BASF AktiengesellschaftInventors: Roland Ettl, Manfred Winter, Torsten Freund, Thomas Kessler, Guenther Grimm
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Patent number: 6713524Abstract: The invention relates to novel reactive polymers of formula wherein the variables are as defined in the claims. The polymers of the invention are useful for the modification of material surfaces and are particularly suitable for providing biomedical articles such as contact lenses with a hydrophilic coating.Type: GrantFiled: March 9, 2001Date of Patent: March 30, 2004Assignee: Novartis AGInventors: Jörg Leukel, Peter Chabrecek, Dieter Lohmann
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Patent number: 6232504Abstract: A process to produce ketenes by reacting a carboxylic acid in a reactor in the presence of a silica monolith catalyst. The silica monolith catalyst can be prepared by silanizing the monolith.Type: GrantFiled: December 27, 1999Date of Patent: May 15, 2001Assignee: University of DelawareInventors: Mark Barteau, Marylin Huff, Uwe Pogodda, Ramiro Martinez-Rey
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Patent number: 5739389Abstract: There are provided an aryl carboxylic acid derivatives of the formula (XVIa) ##STR1## Aryl carboxylic acid derivatives of the formula (XVIa) have a particularly pronounced activity against animal pests, in particular against insects and arachnids, and against weeds.Type: GrantFiled: December 30, 1996Date of Patent: April 14, 1998Assignee: Bayer AktiengesellschaftInventors: Bernd-Wieland Kruger, Reiner Fischer, Heinz-Jurgen Bertram, Thomas Bretschneider, Stefan Bohm, Andreas Krebs, Thomas Schenke, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Christoph Erdelen, Ulrike Wachendorff-Neumann, Wilhelm Stendel
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Patent number: 5475144Abstract: This invention relates to a process of manufacturing ketenes, more particularly, a process for manufacturing ketenes by gas phase dehydration of carboxylic acids. The catalyst used in this process consists of a high surface area silica of at least 100 m.sup.2 /gram.Type: GrantFiled: June 8, 1994Date of Patent: December 12, 1995Assignee: The University of DelawareInventors: P. C. Watson, M. C. Libby, M. A. Barteau
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Patent number: 5399774Abstract: Production of ketene dimers from fatty acid halides by reaction with tertiary amines whereby the tertiary amine is used both as a reactant and as a solvent/diluent. In the process at least 1.15 moles of tertiary amine is used per mole of fatty acid halide and the process is carried out in the substantial absence of an additional solvent, whereby the produced ketene dimer is obtained by stripping of the tertiary amine followed by separation of formed crystals of tertiary amine hydrogen halide by acid extraction.Type: GrantFiled: February 18, 1994Date of Patent: March 21, 1995Assignee: Eka Nobel ABInventor: Paul S. McIntosh
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Patent number: 5258556Abstract: Disclosed is a novel process for the manufacture of 2,2,4,4 tetramethylcyclobutane 1,3 diol commencing with the pyrolysis of isobutyric anhydride to produce dimethylketene. Dimethylketene is absorbed into 2,2,4,4 tetramethylcyclobutane 1,3 dione which function as the process solvents for subsequent dimerization of the dimethylketene to 2,2,4,4-tetramethylcyclobutane-1,3 -dione followed by the catalytic hydrogenation of the dione to the diol product.Type: GrantFiled: February 1, 1993Date of Patent: November 2, 1993Assignee: Eastman Kodak CompanyInventors: Charles E. Sumner, Jr., Bruce L. Gustafson, Jennifer R. Knight
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Patent number: 5169994Abstract: Disclosed is a novel process for the manufacture of 2,2,4,4-tetramethylcyclobutanediol commencing with the pyrolysis of isobutyric anhydride to produce dimethylketene. Dimethylketene is absorbed into certain carboxylate ester solvents which function as the process solvents for subsequent dimerization of the dimethylketene to 2,2,4,4-tetramethylcyclobutanedione followed by the catalytic hydrogenation of the dione to the diol product.Type: GrantFiled: August 20, 1991Date of Patent: December 8, 1992Assignee: Eastman Kodak CompanyInventors: Charles E. Sumner, Jr., Bruce L. Gustafson, Jennifer R. Knight
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Patent number: 4570017Abstract: A process for the preparation of an optically-active (mixed) anhydride of an alpha-chiral (optically-active) carboxylic acid by treating a non-symmetrical ketene with a carboxylic acid in the presence of an optically-active (chiral) tertiary amine catalyst. Hydrolysis of the resulting (mixed) anhydride yields the optically-active acid corresponding to the non-symmetrical ketene.Type: GrantFiled: March 26, 1984Date of Patent: February 11, 1986Assignee: Shell Oil CompanyInventor: Donald W. Stoutamire
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Patent number: 4529810Abstract: Optically-active alpha-substituted carboxylic esters are prepared by treating a non-symmetrical ketene with an alcohol in the presence of an optically-active amine catalyst. Hydrolysis of the resulting esters, yields the optically-active acid corresponding to the non-symmetrical ketene.Type: GrantFiled: January 6, 1984Date of Patent: July 16, 1985Assignee: Shell Oil CompanyInventor: Donald W. Stoutamire
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Patent number: 4434133Abstract: Organic hydrocarbon materials are produced from plentiful inorganic limestone type materials by: (1) reacting the limestone type materials with molten lithium metal to produce Li.sub.2 C.sub.2 (2) hydrolyzing the Li.sub.2 C.sub.2 to produce C.sub.2 H.sub.2, (3) catalytically reacting the C.sub.2 H.sub.2 with steam to produce CH.sub.3 COCH.sub.3, (4) pyrolyzing the CH.sub.3 COCH.sub.3 to provide ketene and methane, and separating the ketene. The ketene may then be decomposed to provide methylene, which can be reacted with an alkane, such as methane in an insertion chain reaction, to provide organic hydrocarbon materials. An in-place nuclear reactor can provide energy for the endothermic reactions of the system.Type: GrantFiled: May 26, 1981Date of Patent: February 28, 1984Assignee: Westinghouse Electric Corp.Inventors: Michael G. Down, D. Colin Phillips, Werner S. Emmerich
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Patent number: 4428905Abstract: Organic hydrocarbon materials are produced from plentiful inorganic limestone type materials by: (1) thermally decomposing the limestone type materials to produce CaO and CO.sub.2, (2) using the CO.sub.2 in a solid electrolyte electrolysis cell to produce CO, (3) catalytically decomposing the CO to produce carbon, (4) reacting the carbon with the CaO produced in step (1), to produce CaC.sub.2, (5) hydrolyzing the CaC.sub.2 toi produce C.sub.2 H.sub.2, (6) catalytically reacting the C.sub.2 H.sub.2 with steam to produce CH.sub.3 COCH.sub.3, (7) pyrolyzing the CH.sub.3 COCH.sub.3 to provide ketene and methane, and separating the ketene. The ketene may then be decomposed to provide methylene, which can be reacted with an alkane, such as methane in an insertion chain reaction, to provide organic hydrocarbon materials. An in-place nuclear reactor can provide energy for the endothermic reactions of the system.Type: GrantFiled: May 22, 1981Date of Patent: January 31, 1984Assignee: Westinghouse Electric Corp.Inventors: D. Colin Phillips, Werner S. Emmerich, Arnold O. Isenberg, Michael G. Down
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Patent number: 4357282Abstract: Fluorinated carbonyl compounds are prepared by contacting a fluorinated methyl or ethyl ether containing at least one methoxylated carbon atom-containing group selected from: --CF.sub.2 OR.sup.3, .dbd.CFOR.sup.3, ##STR1## wherein R.sup.3 is CH.sub.3 or C.sub.2 H.sub.5, with a catalyst selected from:SbX.sub.5, TaX.sub.5, NbX.sub.5, AsX.sub.5, BiX.sub.5, TiX.sub.4, ZrX.sub.4, HfX.sub.4, FeX.sub.3,mixtures of SbX.sub.3 and SbX.sub.5, ZM'X'.sub.6, and mixtures of ZM'X'.sub.6 and M'X.sub.5 where X, independently, is F, Cl, Br or I, X' is F or Cl; and Z is H, NO, O.sub.2, alkali metal or NY.sub.4 where Y, independently, is H or alkyl of 1 to 6 carbon atoms, and M' is Sb or As at a temperature of -20.degree. to 200.degree. C.Type: GrantFiled: April 3, 1981Date of Patent: November 2, 1982Assignee: E. I. Du Pont de Nemours and CompanyInventors: Daniel G. Anderson, David C. England, Alwin S. Milian, Jr.