21
John E Aiken: Purification of glycerin. Sunoco, Robert A Koons Jr, Matthew P McWilliams, Drinker Biddle & Reath, October 24, 2006: US07126032 (47 worldwide citation)

A process for purifying glycerin recovered as a byproduct of biodiesel production comprises heating a glycerin effluent stream containing a low molecular weight alcohol, water and fatty acid esters of the low molecular weight alcohol to cause transesterification of the fatty acid esters to glyceride ...


22
Franz J Luxem, William M Troy: Method of making alkyl esters using pressure. Stepan Company, McAndrews Held & Malloy, July 27, 2004: US06768015 (46 worldwide citation)

A method for making alkyl esters, or methylester specifically, such as biodiesel, from an oil source is described. The method involves simultaneously reacting the free fatty acids and glycerides of the oil source with methanol, under pressure up to 500 psia, into fatty acid alkyl esters. The convers ...


23
Jerrel Dale Branson: System and method for extracting energy from agricultural waste. Best Biofuels c o Smithfield Foods, Hunton & Williams, January 30, 2007: US07169821 (44 worldwide citation)

The present invention relates to a process and apparatus for processing agricultural waste to make alcohol and/or biodiesel. The agricultural wastes are subjected to anaerobic digestion which produces a biogas stream containing methane, which is subsequently reformed to a syngas containing carbon mo ...


24
David Gavin Brooke Boocock: Process for production of fatty acid methyl esters from fatty acid triglycerides. Biox Corporation, Webb Ziesenhiem Logsdon Orkin & Hanson P C, March 30, 2004: US06712867 (44 worldwide citation)

A process for the esterification of a triglyceride. The process comprises forming a single phase solution of said triglyceride in an alcohol selected from methanol and ethanol, the ratio of alcohol to triglyceride being 15:1 to 35:1. The solution further comprises a co-solvent in an amount to effect ...


25
Jerrel Dale Branson: System and method for extracting energy from agricultural waste. Best Biofuels c o Smithfield Foods, Hunton & Williams, November 30, 2004: US06824682 (43 worldwide citation)

The present invention relates to a process and apparatus for processing agricultural waste to make alcohol and/or biodiesel. The agricultural wastes are subjected to anaerobic digestion which produces a biogas stream containing methane, which is subsequently reformed to a syngas containing carbon mo ...


26
Neto Dolivar Coraucci: Process to produce biodiesel and/or fuel oil. Ouro Fino ParticipaƧƵes E Empreendimentos Ltda, Neto Dolivar Coraucci, GAIARSA Lucas Martins, November 13, 2008: WO/2008/134836 (43 worldwide citation)

The present invention refers to a process to produce biodiesel and/or fuel oil from microbial oilseed and/or algal biomass and/or from sugar cane residues and derivatives. The products according to the present invention are appropriate for direct use in motors and to generate energy or steam. The in ...


27
Clemens Auschra, Joachim Vetter, Uwe Boehmke, Michael Neusius: Additive for biodiesel and biofuel oils. Rohmax Additives, Oblon Spivak McClelland Maier & Neustadt P C, June 25, 2002: US06409778 (42 worldwide citation)

The invention relates to a copolymer consisting of the following monomer components: a) 48-98 wt. % of compounds of formula (I), b) 2-30 wt. % of one or several oxygen-containing methacrylates of formula (II) and c) 0-30 wt. % of a methacrylate of formula (III) of styrol, the quantities a)-c) totall ...


28
Wen Teng Wu, Jech Wei Chen: Method of preparing lower alkyl fatty acids esters and in particular biodiesel. Wen Teng Wu, Bacon & Thomas PLLC, June 4, 2002: US06398707 (42 worldwide citation)

The present invention relates to a technique for enhancing the activity of an immobilized lipase, and a technique for regenerating a deactivated immobilized lipase, in which an alcohol with a carbon atom number not less than three is used to swell and/or clean said immobilized lipase. Said immobiliz ...


29
Hideki Fukuda, Hideo Noda: Process for producing fatty acid lower alcohol ester. Kansai Chemical Engineering, The Webb Law Firm P C, January 3, 2006: US06982155 (41 worldwide citation)

The present invention provides a method for producing a fatty acid ester inexpensively and efficiently by reacting a lipase or an intact mircroorganism containing a lipase, an oil and fat, and a linear lower alcohol in a system containing little or no solvent in the presence of water. The intact mic ...


30
Mark Knuth, Peter R Beetham, Keith A Walker, Gregory Francis William Gocal: Fatty acid blends and uses therefor. COH, Foley & Lardner, Stephen E Reiter, October 4, 2011: US08029579 (40 worldwide citation)

Provided herein are blends oils or fatty acids comprising more than 50% medium chain fatty acids, or the fatty acid alkyl esters thereof, and having low melting points. Such blends are useful as a fuel or as a starting material for the production of, for example, a biodiesel. Also provided genetical ...



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