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Class 208/291 - Oxygen containing


Subclass of Class 208 - Mineral oils: processes and products
Definition: Processes wherein an organic compound containing oxygen
No. of patents: 47
Last issue date: 06/17/2008


1    
NumberTitleIssue Date
7388121Process to separate butadiene dimers
The invention relates to a process to separate butadiene dimers from a mixture comprising butadiene dimers and alkyl-3-pentenoate and/or isomers thereof wherein the butadiene dimers are separated from said mixture by distillation in the presence of an alcohol and in...
06/17/2008
7371318Method and catalysts for the elimination of sulphur compounds from the diesel fraction
The invention relates to a process for the elimination of sulphur compounds from the diesel fraction, which is characterized in that an oxidising reaction of said sulphur compound is carried out by using at least an organic-inorganic composite as catalyst, said comp...
05/13/2008
7208648Minimizing corrosion in a methanol-to-olefin effluent processing system
The present invention is directed toward reducing corrosion in a methanol-to-olefin (MTO) effluent processing system, and particularly in the condensate removal system thereof, by injecting a neutralization agent into one or more target regions of the MTO effluent p...
04/24/2007
7138557Selective dimethylether recovery and recycle in a methanol-to-olefin process
An improved methanol-to-olefin (MTO) product recovery scheme is provided which enables substantial reduction in the amount of light olefins that are undesirably captured in a dimethylether (DME) recycle stream when a portion of the methanolic feed to the MTO reactio...
11/21/2006
7135604Process for separating carbon dioxide from an oxygenate-to-olefin effluent stream
The present invention is a process for removal of carbon dioxide from a reactor effluent stream comprising water, carbon dioxide and olefin(s), where a portion of the carbon dioxide is removed in a quenching step with a quench medium and more carbon dioxide is remov...
11/14/2006
7132580Selective dimethylether and methanol recovery and recycle in a methanol-to-olefin process
An improved methanol-to-olefin (MTO) product recovery scheme is provided which enables substantial reduction in the amount of light olefins that are undesirably captured in a dimethylether (DME) recycle stream and improved recovery of methanol when a portion of the ...
11/07/2006
7102049Process for operating a quench device in an oxygenate-to-olefin production unit
The present invention is a process for producing olefin(s) from oxygenates that is more effective than previously known processes at removing carbon dioxide from the effluent stream by operating a quench tower at a pH greater than 7.0. ...
09/05/2006
7005555Process for separating and recycling oxygenate(s) to an oxygenate-to-olefin reactor
The present invention is a process for producing olefin(s) from oxygenate(s). The process removes oxygenate(s) including carbon dioxide in the bottoms of the quench stream and recycles the oxygenate(s) back to the reactor. Carbon dioxide is removed from the quench b...
02/28/2006
6929737Method of removing contaminants from petroleum distillates
In a method of removing acidic compounds, color, and polynuclear aromatic hydrocarbons, and for removing or converting hydrocarbons containing heteroatoms from petroleum distillates, phase transfer catalyst is employed to facilitate the transfer of inorganic or orga...
08/16/2005
6875341Process for enhancing the value of hydrocabonaceous natural recources
A process for upgrading hydrocarbonaceous oil containing heteroatom-containing compounds where the hydrocarbonaceous oil is contacted with a solvent system that is a mixture of a major portion of a polar solvent having a dipole moment greater than about 1 debye and ...
04/05/2005
6334949Process for the removal of carbonyl sulfide from liquid petroleum gas
A method for the removal of carbonyl sulfide from liquefied petroleum is disclosed. Removal of carbonyl sulfide is accomplished by contacting a liquid petroleum gas stream containing a carbonyl sulfide as an impurity with a calixarene complexing agent as ...
01/01/2002
6320090Method of removing contaminants from petroleum distillates
Polynuclear aromatic hydrocarbons (PAHs) and other contaminants are removed from petroleum distillates by mixing a solvent with petroleum distillate to extract the contaminants therefrom. The solvent is recovered and distilled to separate the contaminants...
11/20/2001
6245222Additive enhanced solvent deasphalting process (law759)
The invention relates to a process for enhancing demetallation of metals containing hydrocarbonaceous feedstocks by contacting a metals containing hydrocarbonaceous feedstock at a sufficient temperature and pressure with an additive containing a polyoxyal...
06/12/2001
6096196Removal of naphthenic acids in crude oils and distillates
The instant invention is directed a process for extracting organic acids from a starting crude oil comprising the steps of: (a) treating the starting crude oil containing naphthenic acids with an amount of an alkoxylated amine and water under conditions a...
08/01/2000
5948238Metal compounds as accelerators for petroleum acid esterification
The present invention relates to a process for reducing the acidity of a petroleum oil containing organic acids comprising treating said petroleum oil containing organic acids with an effective amount of an alcohol at a temperature and under conditions su...
09/07/1999
5770048Method for removal of acid from compressor oil
An alcohol, specifically ethanol, methanol and isopropanol, is used to remove acid from a refrigeration system, a heat pump or an air conditioner. The alcohol vaporizes acid, primarily inorganic acid, in the system and, in the filter/dryer, reacts with su...
06/23/1998
5641394Stabilization of hydrocarbon fluids using metal deactivators
The invention is a composition for use in deactivating iron species in hydrocarbon fluids, comprising the products resulting from the reaction of (I), with (II) and (III) is disclosed; wherein (I) is a substituted catechol of the structure ##STR1## ...
06/24/1997
5453519Process for inhibiting oxidation and polymerization of furfural and its derivatives
Dialkylphenylenediamines are used to inhibit oxidation and polymerization of furfural or furfural derivatives. The preferred use of the inhibitor is in the solvent refining of lubricating oils using furfural to extract constituents from the lubricating oi...
09/26/1995
5332842Process for inhibiting oxidation and polymerization of furfural and its derivatives
Dialkylphenylenediamines are used to inhibit oxidation and polymerization of furfural or furfural derivatives. The preferred use of the inhibitor is in the solvent refining of lubricating oils using furfural to extract constituents from the lubricating oi...
07/26/1994
5282959Method for the extraction of iron from liquid hydrocarbons
A method of extracting iron species from a liquid hydrocarbon medium comprising adding to the medium a composition comprised of an aminocarboxylic acid, methoxypropylamine and a solvent selected from the group consisting of 2-ethylhexanol, cresylic acid, ...
02/01/1994
5271825Turbine oil production
Turbine oils are produced from a distillate lube fraction by hydrocracking to remove aromatics, catalytically dewaxing, hydrofinishing then treating with an organic peroxide, such as ditertiary butyl peroxide (DTBP) to increase viscosity and reduce cloud ...
12/21/1993
5194143Method for inhibiting fouling in caustic scrubber systems
A method for inhibiting the formation of polymeric based fouling deposits normally formed during the caustic washing to hydrocarbons is disclosed. The method comprises adding an effective amount for the purpose of an acetoacetate ester compound to the cau...
03/16/1993
5037528Lubricant production process with product viscosity control
High viscosity index, low pour point lubricants are produced by the oligomerization of a wax-derived lubricant fraction. The fraction may be produced from slack wax or de-oiled wax by hydroisomerization over zeolite beta or hydrocracking/isomerization ove...
08/06/1991
5021142Turbine oil production
Turbine oils are produced from a distillate lube fraction by solvent extraction to remove aromatics, e.g., with furfural, then dewaxing and hydrofinishing to saturate residual aromatics. Treatment with an organic peroxide, such as ditertiary butyl peroxid...
06/04/1991
4956076Method of scavenging hydrogen halides from liquid hydrocarbonaceous mediums
Methods of scavenging hydrogen halide species from hydrocarbon liquids are disclosed. Preferred scavengers includes allyl alcohol, benzyl alcohol and tertiary alcohols such as tert-butyl alcohol....
09/11/1990
4913794Process configuration for producing high viscosity lubricating oils
A process is disclosed for improving the Viscosity Index of a hydrocarbon lubricating oil comprising the steps of providing a flow reactor having separate first and second inlet ports for the separate co-injection of lubricating oil and an organic peroxid...
04/03/1990
4895641Method of desalting crude oil
The salt content of a heavy crude oil is reduced by a method which comprises the steps of (a) mixing 70 to 98% by volume of a heavy crude oil having a viscosity in the range 200 to 250,000 mPa.s at the mixing temperature with 30 to 2% by volume of an aque...
01/23/1990
4883580Methods for deactivating iron in hydrocarbon fluids
Certain Mannich reaction products (i.e., alkylated phenol, polyoxyalkylenediamine, and an aldehyde) are used to deactivate iron species already present in hydrocarbon fluids. Left untreated, such iron species lead to decomposition resulting in the formati...
11/28/1989
4877513Oil characteristic improvement process and device therefor
An oil characteristic improvement process and device therefor including methodology whereby the specific gravity and viscosity of heavy oil feedstock is reduced. The process includes the steps of forming a mixture of the heavy oil feedstock and one or mor...
10/31/1989
4869804Process for the thermal conversion of heavy petroleum fractions and refining residues, in the presence of oxygen compounds of sulfur and nitrogen and compositions containing these compounds
A process for the thermal conversion of various fossil organic materials such as heavy crude oils, heavy petroleum fractions or refining residues, is described. According to the invention, the charge is subjected to thermal processing in the presence of a...
09/26/1989
4802972Hydrofining of oils
A hydrofining process (preferably hydrovisbreaking process) comprises contacting a substantially liquid hydrocarbon-containing feed stream, which contains Ramsbottom carbon residue and materials boiling in excess of about 1000° F. at atmospheric conditio...
02/07/1989
4600502Adsorbent processing to reduce basestock foaming
A method for decreasing the foaming tendency of hydrocarbons, particularly lube basestocks, is disclosed. The method comprises passing the hydrocarbon through an adsorption zone having an adsorbent, preferably a basic adsorbent therein. In a preferred emb...
07/15/1986
4594172Process for the preparation of hydrocarbons
Syngas is subjected to Fischer-Tropsch synthesis over a special Co/Zr/SiO2 catalyst and the C10 -C19 fraction of the synthesized product is converted into XHVI lub oil by treating with an organic peroxide....
06/10/1986
4544477Polar solvent extraction and dedusting process
A process is provided to produce and dedust oil from oil shale and other types of solid hydrocarbon-containing material. In the process, raw oil shale or other solid hydrocarbon-containing material is retorted, preferably with solid heat carrier material,...
10/01/1985
4539099Process for the removal of solids from an oil
A process for removing suspended solids particularly difficultly filterable inorganic solids from an oil obtained as a refinery process bottom fraction from both steam and catalytic cracking units (e.g. catalytic cracker bottoms) or from coal conversion p...
09/03/1985
4454366Method of recovering and recycling boron trifluoride catalyst
Spent boron trifluoride catalyst is removed from organic liquids by contacting the liquid with polyvinyl alcohol. For example, boron trifluoride catalyst is removed from 1-olefin oligomer product by passing the liquid oligomer through a bed of granular po...
06/12/1984
4433197Removing boron trifluoride from coordination compound contaminants in organic liquids
Boron trifluoride is removed from coordination compounds contaminating organic liquids by contacting the contaminated liquid with silica. For example, boron trifluoride is removed from a boron trifluoride-n-butanol coordination compound contaminating a 1-...
02/21/1984
4430204Removal of surfactants from hydrocarbons with alcohol
A method is disclosed for removing hydrocarbon-soluble anionic surfactants from gasoline or kerosene boiling range hydrocarbons. The method comprises (a) contacting a hydrocarbon mixture containing surfactants with a lower alcohol which is miscible with t...
02/07/1984
4384162Removing boron trifluoride contaminant from organic liquids with polyvinyl alcohol
Boron trifluoride contaminant is removed from organic liquids by contacting the contaminated liquid with polyvinyl alcohol. For example, boron trifluoride catalyst is removed from 1-olefin oligomer product by passing the liquid oligomer through a bed of g...
05/17/1983
4358362Method for enhancing catalytic activity
A hydrocarbon feed for use in a catalytic conversion process that utilizes a zeolite catalyst, and that contains a catalytically deleterious impurity, is refined by contact with a zeolitic sorbent. The invention is applicable to dewaxing, with an example ...
11/09/1982
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