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Class Information
Number: 568/476
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Aldehydes > Acyclic > Processes > Oxidation of organic compound utilizing gaseous oxygen > Acyclic hydrocarbon reactant > Carbon to carbon unsaturation in the reactant and in the aldehyde prepared
Description: Processes wherein an aldehyde containing carbon to carbon unsaturation is prepared in an oxidation reaction utilizing a reactant containing carbon to carbon unsaturation.


Sub-classes under this class:

Class Number Class Name Patents
568/478 Ag, au, pd, pt, rh, ir, ru, or os containing catalyst utilized 52
568/477 Antimony or tin containing catalyst utilized 80
568/479 Molybdenum containing catalyst utilized 134
568/481 Selenium or tellurium containing material utilized 13


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7608734 Method of producing unsaturated acid in fixed-bed catalytic partial oxidation reactor with high efficiency Oct. 27, 2009
7579501 Composite oxide catalyst and method of producing the same Aug. 25, 2009
7531699 Acrolein Preparation Method May. 12, 2009
7361791 Mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins Apr. 22, 2008
7332139 Process and device for carrying out reactions in reactor with slot-shaped reaction spaces Feb. 19, 2008
7297814 Multitube reactor, vapor phase catalytic oxidation method using the multitube reactor, and start up method applied to the multitube reactor Nov. 20, 2007
7268254 Preparation of (meth)acrolein and/or (meth)acrylic acid by heterogeneously catalyzed partial oxidation of C3 and/or C4 precursor compounds in a reactor having thermoplate modules Sep. 11, 2007
7238836 Method of producing unsaturated aldehyde and unsaturated acid in fixed-bed catalytic partial oxidation reactor with enhanced heat control system Jul. 3, 2007
7208636 Preparation of acrolein by heterogeneously catalyzed partial gas phase oxidation of propene Apr. 24, 2007
7176335 Method for producing methacrolein from isobutane Feb. 13, 2007
7161044 Catalytic gas phase oxidation reaction Jan. 9, 2007
7154009 Long-term operation of a heterogeneously catalyzed gas phase partial oxidation of propene to acrolein Dec. 26, 2006
7144557 Multitube reactor, vapor phase catalytic oxidation method using the multitube reactor, and start up method applied to the multitube reactor Dec. 5, 2006
7071363 Structured catalyst bed Jul. 4, 2006
7019176 Heterogeneously catalyzed partial gas phase oxidation of propene to acrolein Mar. 28, 2006
6995291 Process for the oxidation of unsaturated alcohols Feb. 7, 2006
6911563 Reaction method utilizing diaphram type catalyst and apparatus therefor Jun. 28, 2005
6864391 Method for producing propylene hydroformylation products and acrylic acid and/or acrolein Mar. 8, 2005
6812366 Catalyst useful for oxidation reactions Nov. 2, 2004
6781017 Method for the production of acrolein or acrylic acid or the mixture thereof from propane Aug. 24, 2004
6768013 Intrinsically safe oxidation process Jul. 27, 2004
6747162 Counterflow reactor with a bundle of contact tubes Jun. 8, 2004
6657079 Method for mixing gases and apparatus therefor Dec. 2, 2003
6657088 Temperature measurements in tubular reactors during treatment of fluid masses Dec. 2, 2003
6525217 Method for the catalytic gas-phase oxidation of propene to acrylic acid Feb. 25, 2003
6512144 Oxidation of hydrocarbons using crystalline manganese (II/III) phosphate compositions Jan. 28, 2003
6437193 Vapor phase oxidation of propylene to acrolein Aug. 20, 2002
6423875 Method for producing acrolein and/or acrylic acid from propane Jul. 23, 2002
6410785 Method for producing acrolein by heterogeneous catalytic gas-phase partial oxidation of propene Jun. 25, 2002
6410800 Process for preparing acrolein Jun. 25, 2002
6395936 Method for the catalytic gas phase oxidation of propene into acrolein May. 28, 2002
6337424 Catalysts oxidation of lower olefins to unsaturated aldehydes, methods of making and using the same Jan. 8, 2002
6169214 Catalyst consisting of a hollow cylindrical carrier having a catalytically active oxide material applied to the outer surface of the carrier, and process for using said catalyst Jan. 2, 2001
6156931 Crystalline manganese (II/III) phosphate compositions Dec. 5, 2000
6028230 Epoxide polymerization process Feb. 22, 2000
6002019 Process for the production of petrochemicals Dec. 14, 1999
5705684 Preparation of acrolein, acrylic acid or a mixture thereof from propane Jan. 6, 1998
5684188 Continuous heterogeneously catalyzed gas-phase oxidation of propylene to acrolein, acrylic acid or a mixture thereof Nov. 4, 1997
5646305 Oxygen enrichment process for air based gas phase oxidations which use metal oxide redox catalysts Jul. 8, 1997
5583086 Cesium containing multimetal oxide catalyst compositions for the preparation of methacrolein by gas-phase-catalytic oxidation Dec. 10, 1996
5491258 Molded catalyst or supported catalyst for synthesizing methacrolein and methacrylic acid, a process for production thereof, and a process of use thereof Feb. 13, 1996
5326916 Process for producing acrolein Jul. 5, 1994
5324860 Process for 3,5-di-tert-butylsalicylaldehyde Jun. 28, 1994
5300707 Catalysts for the gaseous phase oxidation of olefins into .alpha.,.beta.-unsaturated aldehydes Apr. 5, 1994
5262547 Process for the production of petrochemicals Nov. 16, 1993
5245083 Method for preparing methacrolein and method for preparing a catalyst for use in the preparation of methacrolein Sep. 14, 1993
5196608 Use of an allylchloride for preparing an aldehyde Mar. 23, 1993
5183936 Anhydrous diluent process for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid Feb. 2, 1993
5179215 Process for the production of petrochemicals Jan. 12, 1993
5144091 Preparation of acrolein or methacrolein by actalytic gas-phase oxidation of propene or isobutene Sep. 1, 1992

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