Class 568/761 - From oil or tar derived from fossil fuel or wood

Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Processes wherein the compound is separated from oil or
No. of patents: 28
Last issue date: 04/08/2008

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Number	Title	Issue Date
7354928	Small molecule inhibitors targeted at Bcl-2 The present invention relates to small molecule antagonists of Bcl-2 family proteins such as Bcl-2 and/or Bcl-XL. In particular, the present invention provides non-peptide cell permeable small molecules (e.g., tricyclo-dibenzo-diazocine-dioxides) that bin...	04/08/2008
7342046	Gossypol co-crystals and the use thereof This invention relates to compositions comprising co-crystals of (−)-gossypol with a C1-8 carboxylic acid or C1-8 sulfonic acid which are useful as inhibitors of Bcl-2 family proteins. The invention also relates to the use of co-crystals of (...	03/11/2008
6596908	Process for the recovery of low molecular weight phenols, furfural, furfuryl alcohol and/or cellulose or cellulose-rich residues A process for the recovery of furfural, furfuryl alcohol, low molecular weight phenols and/or cellulose or a cellulose-rich material from a lignocellulosic material comprising: feeding a carrier gas into a reaction chamber to facilitate a fluidised bed ef...	07/22/2003
6326461	Natural resin formulations This invention is directed to a method of preparing a natural resin by liquefying wood, bark, forest residues, wood industry residues, or other biomass using rapid destructive distillation (fast pyrolysis). Fast pyrolysis produces both vapors and char fro...	12/04/2001
5964987	Neutral oil removal from natural cresylic acid mixtures Natural cresylic acid is processed to remove neutral oil impurities by countercurrent liquid/liquid extraction using a heavy phase solvent of a mixture of glycerol and another polyhydric alcohol, preferably triethylene glycol. The light phase solvent is a...	10/12/1999
5476975	Extraction of toxic organic contaminants from wood and photodegradation of toxic organic contaminants A process is provided herein for extracting organic toxic contaminants including pentachlorophenol, polychlorinated dibenzo-p-dioxins, and polychlorinated dibenzofurans, from wood, e.g., utility poles, fence posts, or railway ties. The process comprises e...	12/19/1995
5354429	Natural cresylic acid processing A discrete impure cresylic acid distillate fraction derived by fractional distillation of a natural cresylic acid feedstock from which tar bases and/or neutral oils have not been removed is subjected to extractive distillation with a polyhydric alcohol ex...	10/11/1994
5283376	Method of phenol extraction from phenol tar The invention is related to petrochemistry and is useful in the process of combined production of phenol and acetone by the cumene method. The method is a two stage process which minimizes waste water volume, diminishes equipment corrosion and minimizes c...	02/01/1994
5248814	Process for producing regenerated humic acids from coal Process for preparing regenerated humic acids from coal by means of the continuous oxidation on fluidized bed, characterized in that a coal of lignite, sub-bituminous or bituminous type is submitted to a preliminary oxidation under mild conditions in orde...	09/28/1993
5177269	Removal of guaiacol from cresylic acid feedstreams by heating with a strong acid A process is described for the removal of guaiacol from naturally occurring cresylic acid feed by heating the feed with a strong acid, particularly hydrochloric acid or sulfuric acid, to produce a purified cresylic acid product essentially free of guaiaco...	01/05/1993
5171895	Removal of guaiacol from cresylic acid feedstreams Purification of cresylic acid by guaiacol removal from lignite-based feed as well as other naturally occurring sources of cresylic acid is accomplished by catalytic demethylation in the presence of an alumina catalyst. In the process of this invention, de...	12/15/1992
5146010	Pyrolysis of naturally occurring cresylic acid mixtures A process for removing guaiacols from naturally-occurring cresylic acid mixtures by pyrolysis is described....	09/08/1992
5077441	Selective gossypol abatement process from oil extraction of cottonseed A method for the treatment of plant material to provide a protein-rich product and oil relatively free of gossypol. The process includes the steps of: a. contacting plant material with an aqueous monohydric alcohol solvent to extract oil and gossypol from...	12/31/1991
4900873	Method of manufacturing phenols from lignin Phenols such as cresol, phenol and xylenol etc. are obtained by thermal decomposition of a lignin-containing material in a state of a mixture of the lignin-containing material and a double ring aromatic hydrocarbon solvent. Spent liquid of a solvolysis pu...	02/13/1990
4827050	Method for separation of phenols and bases from coal tar oils by extraction Coal tar oil is separated quantitatively into neutral oil, phenols and bases by a two stage extraction with overcritical gases. Carbon dioxide is employed as an overcritical extraction agent, and propane or butane are preferably added as entrainers. The n...	05/02/1989
4731491	Process for liquefaction of lignin Liquefaction of lignin by hydrogenolysis in the presence of a catalytic composition of metal sulfides which are prepared in situ and in the presence of a lower aliphatic alcohol affords substantially increased yields of monophenols. When methanol is used ...	03/15/1988
4647704	Hydrocracking process for liquefaction of lignin Hydrocracking of lignin in the presence of a supported tungsten-nickel catalyst affords phenolic compounds in higher yield and with greater selectivity then previously obtainable. Mildly acidic supports, such as alumina, alumina-silica, aluminum phosphate...	03/03/1987
4451351	Method of liquefaction of carbonaceous materials Hydrocarbon liquids are obtained from carbonaceous materials, such as coal, by contacting the carbonaceous materials with a metal carbonyl or a low valent complex of the transition metals and water gas under alkaline conditions to form a reaction mixture,...	05/29/1984
4443636	Refining lurgi tar acids There is disclosed a process for removing tar bases and neutral oils from the Lurgi tar acids by treating the tar acids with aqueous sodium bisulfate to change the tar bases to salts and to hydrolyze the neutral oils to hydrolysis products and distilling ...	04/17/1984
4429170	Process for removing tar bases from Lurgi tar acid stream A process is disclosed for purifying the tar acid mixture that is obtained from the Lurgi process of coal gasification. The tar acid is treated with dilute aqueous sulfuric acid solution to form non-volatile tar base salts from the tar base component and ...	01/31/1984
4406780	Separation and oxygen-alkylation of phenols from phenol-containing hydrocarbonaceous streams Properties of phenol-containing hydrocarbonaceous streams are improved by first treating the stream with a C1 to C10 alcohol and an acid. If enough alcohol and acid are employed, two liquid phases are formed, an alcohol/acid phase an...	09/27/1983
4326949	Oxygen alkylation of phenol-containing hydrocarbonaceous streams A method for separating phenols from phenol-containing streams and converting them to ethers by: (a) contacting the phenol-containing stream with a multivalent metal composition capable of forming hydroxy metal phenates with the phenols from the stream; (...	04/27/1982
4272356	Coal extraction process Sub-divided coal is extracted under non-thermally destructive conditions with a solvent liquid containing a compound having the general formula: ##STR1## where M is a carbon, sulfur, or phosphorus atom, R2 and R3 are each a hydrogen ...	06/09/1981
4256568	Removal of phenols from phenol-containing streams Process for removing phenols from phenol-containing streams such as coal liquids by contacting the stream with a multivalent metal composition selected from the group consisting of oxides and/or hydroxides of one or more multivalent metals capable of form...	03/17/1981
4241227	Process for reducing biological oxygen demand of gas condensate Gas condensates formed from the gases obtained from coal gasification, cokefication, or carbonization are extracted with an acid- and alkali-resistant solvent, e.g. organic esters or ethers, and phenols are thereby removed. The extract is separated into s...	12/23/1980
4152528	Process for extracting phenol from phenol-water mixtures A process is provided for extracting phenol from phenol-water mixtures using a hydrocarbon-extracting medium having an improved extraction coefficient. The extracting medium comprises a mixture of a hydrocarbon component containing at least a substantial ...	05/01/1979
3987114	Process for producing phenolic compounds from coal A liquid product containing a high percentage of phenolic compounds is obtained from coal by the hydrocarbonization of coal in a fluidizing bed in the presence of hydrogen. The hydrocarbonization is conducted at a temperature of 480°-600° C. and a hydro...	10/19/1976
3960969	Method for preparing an improved creosote wood preservative from a coal tar creosote by the use of caustic compounds An improved creosote wood preservative that has a light color and that forms a non-sticky crud deposit is prepared from a coal tar creosote. The coal tar creosote is distilled to an end temperature in the range of 395° to 410°C. at atmospheric pressure....	06/01/1976

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Class 568/761 - From oil or tar derived from fossil fuel or wood