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Class Information
Number: 568/420
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Aldehydes
Description: Compounds having the following structure wherein R is H or an organic radcal:

Sub-classes under this class:

Class Number Class Name Patents
568/448 Acyclic 102
568/425 Benzene ring containing 155
568/423 Nitrogen containing 26
568/445 Polycyclo-alicyclic ring system 114
568/444 Preparing alicyclic ring containing aldehyde by hydroformylation by reacting ethylenically unsaturated compound, carbon monoxide, and gaseous hydrogen only 61
568/443 Preparing alicyclic ring containing aldehyde by isomerization 30
568/446 Unsaturated alicyclic ring containing 101
568/421 With preservative or stabilizer 30

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8692024 Method of producing n-butyraldehyde Apr. 8, 2014
8624057 Isoprenoid compounds, their isolation and use Jan. 7, 2014
8604225 Method of producing hydroxymethyl-furfural Dec. 10, 2013
8592633 Reduction of carbon dioxide to carboxylic acids, glycols, and carboxylates Nov. 26, 2013
8557262 Divinyl ether derivatives capable of releasing active aldehydes and ketones and methods of use for perfuming surfaces Oct. 15, 2013
8492595 Methods and systems for generating polyols Jul. 23, 2013
8481728 Process for preparing entecavir and its intermediates Jul. 9, 2013
8466306 Sulfonated organophosphine compounds and use in hydroformylation processes Jun. 18, 2013
8466327 Aldehyde-functionalized polyethers and method of making same Jun. 18, 2013
8399399 3- and 4-methyl dodecenal and their use in fragrance and flavour compositions Mar. 19, 2013
8394978 Sulfonated organophosphine compounds and use thereof in hydroformylation processes Mar. 12, 2013
8282793 Continuous process for preparing neral in pure or enriched form Oct. 9, 2012
8273313 System for producing methacrylic acid Sep. 25, 2012
8198486 Methods and systems for generating polyols Jun. 12, 2012
8188023 4-alkyl cyclohexanepropanal compounds and their use in perfume compositions May. 29, 2012
8134031 Extraction process for aldehyde product separation and catalyst recovery Mar. 13, 2012
8088725 Fragrance compositions and compounds Jan. 3, 2012
8062482 Acetaldehyde removal from methyl acetate by distillation at elevated pressure Nov. 22, 2011
8008227 Mixed oxide catalysts for the catalytic gas-phase oxidation of olefins and processes for producing them Aug. 30, 2011
7927555 Charging of a reactor Apr. 19, 2011
7902393 Process for the preparation of .beta.-santalol and derivatives thereof Mar. 8, 2011
7902406 Lubricating oil Mar. 8, 2011
7834219 4-alkyl cyclohexanepropanal compounds and their use in perfume compositions Nov. 16, 2010
7799096 Agent for dyeing keratin-containing fibers Sep. 21, 2010
7790668 2-methoxy-2,6-dimethyloctanal and its use as a fragrance ingredient Sep. 7, 2010
7767867 Methods and systems for generating polyols Aug. 3, 2010
7740812 Method and apparatus for separating aromatic dialdehyde Jun. 22, 2010
7709659 Tetraphosphorus ligands for catalytic hydroformylation and related reactions May. 4, 2010
7662959 Quaternary trifluoromethylcyclohexane derivatives for liquid crystals Feb. 16, 2010
7638073 Photochromic material comprising a proteorhodopsin apoprotein and a retinal analog Dec. 29, 2009
7601245 Process for reducing the aldehyde concentration in a mixture comprising cyclohexanone and one or more aldehydes Oct. 13, 2009
7511001 Substituted cyclohexyl propanal compounds and their use in perfume compositions Mar. 31, 2009
7498454 Process for preparing fatty acid alkyl esters and acrolein from triglycerides Mar. 3, 2009
7470821 Aldolase-inhibiting aromatic compounds Dec. 30, 2008
7390875 Method for binding, in solution, a peptide and a lipophilic vector and uses thereof Jun. 24, 2008
7271293 Control method for process of removing permanganate reducing compounds from methanol carbonylation process Sep. 18, 2007
7270985 Process for the preparation of aldehyde from a proteinous source for industrial applications Sep. 18, 2007
7229957 Functional substances derived from oligoolefins having functional groups at the ends Jun. 12, 2007
7223803 Polyethylene (glycol) derivatives with proximal reactive groups May. 29, 2007
7204857 Dyeing method using a specific active methylene compound and a compound selected among a specific aldehyde, a specific ketone, a quinone and a di-imino-isoindoline or 3-amino-isoindolone deriv Apr. 17, 2007
7164047 Processes for preparation of cyclopropylethanol, cyclopropylacetonitorile and intermediates of both Jan. 16, 2007
7115387 Process for the preparation of aldehyde from a proteinous source for industrial applications Oct. 3, 2006
7078130 Metallic mesoporous transition metal oxide molecular sieves, room temperature activation of dinitrogen and ammonia production Jul. 18, 2006
7071362 Process for producing alicyclic aldehydes Jul. 4, 2006
7030281 Synthesis of 3,3,-dimethylbutyraldehyde by the reduction of 3,3,-dimethylbutyric acid Apr. 18, 2006
7030278 Polyethylene(Glycol) derivatives with proximal reactive groups Apr. 18, 2006
6962730 Coating composition containing crosslinkable monomeric difunctional compounds having at least thirty carbon atoms Nov. 8, 2005
6949681 Intermediate for preparing glycopeptide derivatives Sep. 27, 2005
6933270 3,3-Dimethylcyclohexane derivatives Aug. 23, 2005
6909014 Intermediates for the synthesis of ether compounds Jun. 21, 2005

1 2 3 4

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