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7618824 |
Method for evaluating the acidity of oil samples by isotopic labelling
A method for evaluating the acidity of oil samples in small amounts, applicable at any stage of the petroleum industry, includes labelling by an isotope of a chemical element present in at least...
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7611901 |
Method for determining the content of diesel fuel in a lubricating oil of a combustion engine
A method for determining proportion of diesel fuel in a lubricating oil of a combustion engine, including: forming a mixture containing an oil sample and a C 5 hydrocarbon such as a C 5 alkane;...
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7611900 |
High throughput screening methods for lubricating oil compositions
Method for determining deposit formation tendencies for a plurality of fluid samples of different compositions is provided. Each sample includes one or more lubricating oil compositions containing...
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7579192 |
High throughput screening methods for lubricating oil compositions
A method for determining storage stability for a plurality of fluid lubricant samples of different compositions is provided. Each sample includes one or more lubricating oil additives, or a...
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7553673 |
Quality control of a functional fluid
The present invention describes use of use of a metal compound to control the quality of a functional fluid. Additionally, the present invention concerns a method for controlling the quality of a...
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7531111 |
Composition and probe for detection of hydrocarbon mixtures
A visual indicating paste for detecting the level of hydrocarbons in a storage container is disclosed. The visual indicating paste is a physical mixture of a non-polar dye, a high molecular weight...
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7527975 |
Determination of high lipophilicity values
The present invention relates to a novel method for determining the lipophilicity of a compound of interest comprising a) providing a layer, b) impregnating said layer with a solvent A, c) applying...
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7514041 |
Method and apparatus for testing heavy oil production processes
There is disclosed a method of testing oil extraction processes including the steps of: 1) placing a sample to be tested in a sample holder which has a configurable temperature profile; 2) placing...
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7468280 |
High throughput preparation of lubricating oil compositions for combinatorial libraries
A high throughput preparation of a plurality of different lubricating oil compositions for combinatorial libraries and subsequent high throughput screening for lubricant performance is provided....
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7462490 |
Combinatorial lubricating oil composition libraries
A combinatorial lubricating oil composition library is provided including at least a plurality of different lubricating oil compositions comprising (a) a major amount of a base oil of lubricating...
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7407809 |
Method for determining asphaltenes contamination in used marine engine lubricants using UV-visible spectroscopy and chemometrics
A method for determining contamination in marine diesel lubricating oils. The method has been found to have particular utility in estimating asphaltenes contamination in marine diesel lubricating...
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7390666 |
Methods and devices for measuring total polar compounds in degrading oils
This invention relates to methods for determining whether or not to discard a sample of oil based on the presence of polar compounds in the oil and devices to be used therewith. In a preferred...
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7364599 |
Methods for increased removal of drag reducer additives from liquid hydrocarbon fuel
A method for increasing removal of drag reducer additive (DRA) from liquid hydrocarbon fuel. The method comprises producing contaminated liquid hydrocarbon fuel comprising a concentration of...
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7323342 |
Method for improving oil desalting by forming unstable water-in-oil emulsions
A method for determination for a given oil the relative stability of a water-in-oil emulsion that will be formed by that oil with water comprises measuring for the given oil the weight fraction of...
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7259017 |
Method of diagnosing lubricated portion and system of diagnosing lubricated portion
The invention provides a method of diagnosing a lubricated portion which can precisely measure a metal concentration in a lubricating oil and can diagnose accurately a state of the lubricated...
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7241621 |
Method for determining residual fuel and insolubles contamination in used marine engine lubricants using UV-visible spectroscopy and chemometrics
A method for determining contamination in marine diesel lubricating oils. The method has been found to have particular utility in estimating residual fuel and insolubles contamination in marine...
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7220591 |
Method and apparatus for rapid fat content determination
A method and apparatus for rapidly and accurately determining the fat and oil content of a sample using microwave drying and NMR analysis is disclosed. The method and apparatus incorporate a low...
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7183115 |
Gas sample analysis system
A gas analyzer system for analyzing samples of compressed or ambient gas such as breathing air within a scuba tank, SCBA or ambient air within an industrial plant and informing the user as to the...
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7172903 |
Method for on-line monitoring of lubricating oil using light in the visible and near IR spectra
Oil aging and particulate building in a lubricant other than one exposed to combustion products is monitored by detecting light transmitted through the lubricant at least one, and preferably, two...
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7163827 |
Aromatic esters for marking or tagging organic products
A compound represented by formula I is used as a marker for organic products.
wherein Ar 1 and Ar 2 each independently represent a substituted or unsubstituted phenylene group or a...
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7153694 |
Quantitative method for hydrocarbon analysis
A method for quantitative determination of hydrocarbon species in a hydrocarbon sample is disclosed. The method uses Townsend Discharge Nitric Oxide Chemical Ionization Gas Chromatography/Mass...
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7069203 |
Method and system of product development process for chemical compositions using high volume modeling
A method and system of transforming a product development process to reduce time in bringing a product to market through high throughput experimentation and advanced statistics and informatics, to...
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7037724 |
Method for storing and transporting crude oil
Disclosed is a method for transporting blended crude oils comprising the steps of; (a) admixing a first crude oil with a second, different crude oil to form a crude oil admixture; (b) determining a...
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7018434 |
Removal of drag reducer additive from fuel by treatment with selected activated carbons and graphites
The application relates to a method for selecting drag reducer additive (DRA) effectively removable by activated carbons and graphites to be used in fuel. The appliction also relates to effective...
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H002142 |
Method for measuring the concentration of bodymaker lubricant in bodymaker coolant
A bodymaker coolant in an aluminum drawing-and-ironing operation often is a slurry in water of a predominantly organic “neat lube” that includes a boron-amine complex as one of its...
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6939713 |
Assay and method for quantifying the levels of steryl esters and free sterols in starch-containing food products
The present invention relates to an assay for determining the levels of sterols, stanols, steryl esters, fatty acid derivatives and combinations thereof in a starch-containing food product. The...
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6881381 |
Apparatus for marking and identifying liquids
A liquid can be marked for identification purposes with at least first and second miscible markers. The markers are mixed in the liquid so that the ratio of the concentration of the first marker to...
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6803237 |
Sequential processing reaction vessel for chemical fractionation and analysis
A sequential processing reactor vessel and method is disclosed for accelerated extraction and fractionation of chemical analytes from complex solid sample materials. The device and method provide...
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6727438 |
Method for determining oil and grease content using a reference weight signal for live cancellation of disturbances in the weighting signal
A method for determining the oil and grease concentration of aqueous solutions on offshore facilities without having to ship the aqueous solutions to shore-based laboratories for analysis. The...
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6667178 |
Optimization of caustic usage
A method for determining the quantity of phenol extracted into an aqueous solution of an alkali metal hydroxide uses a measurement of the pH of the solution, from which the equivalents of phenol...
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6649412 |
Method and apparatus for determining quality properties of fish
This invention relates to a method and an apparatus for determining quality properties of fish on the basis of light reflection. A fish and a reflection measurement device ( 5 ) with a light...
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6642056 |
Process for determining the stability of asphaltenes in live oil
A process is described for determining the stability of asphaltenes in oil fields, which comprises the following steps: a) titrations of stock tank oil are carried out; the values measured are...
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6632677 |
Air shutoff agent for aqueous reagent and aqueous specimen, and method for storing aqueous reagent and aqueous specimen with stability
An air-barrier agent for an aqueous reagent or an aqueous specimen having as an effective component a mixture of a chain hydrocarbon and a silicone oil immiscible with the aqueous reagent as well...
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6613577 |
Use of bathocuproine for the evaluation of the antioxidant power in liquids and solutions
The antioxidant power of an organic or inorganic liquid is determined by causing it to enter into competition with bathocuproine (BC) in a copper sulphate solution. Bathocuproine (BC) forms stable...
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6599337 |
Selection of materials to test for and/or remove drag reducer additive in liquid hydrocarbon fuels
A method for selecting an effective removal agent and a method of removing drag reducer additive from liquid hydrocarbon fuels, preferably gasoline or jet fuel.
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6599747 |
Soil test
A test for determining the bioavailable fraction of an organic pollutant present in soil comprises determining the fraction of the organic pollutant present in the soil which may be extracted by a...
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6585938 |
Gas concentration-detecting device for detecting concentration of gas in oil
There is provided a gas concentration-detecting device for detecting the concentration of gas in oil, which is capable of detecting the concentration of gas in oil with accuracy, irrespective of...
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6582661 |
Integrated lubricant analyzer
An integrated lubricant analyzer apparatus. The apparatus includes a housing having a first fluid inlet port in flow communication with a chemical analysis device. A second fluid inlet port is...
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6503956 |
Determination of heteroatom content in Fischer-Tropsch wax
A method for analyzing the heteroatom content of solid products which spatter, boil or bump under conditions involving rapid heating, such as Fischer-Tropsch heavy products, including...
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6482651 |
Aromatic esters for marking or tagging petroleum products
A compound represented by formula I is used as a marker for organic products, wherein Ar 1 and Ar 2 each independently represent a substituted or unsubstituted phenylene group or a substituted...
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6452500 |
Hydrocarbon sensing apparatus
An apparatus for monitoring presence of hydrocarbon-based fluid is disclosed. It includes a body and a sensing cable mounted on the body in a wave-like shape, thus forming a plurality of sensing...
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6440746 |
Method and apparatus for analyzing asphalt content
An apparatus for pyrolysis of a bituminous paving mix is provided, comprising an oven having a bottom wall, a top wall, and side walls defining a combustion chamber, a sample support within the...
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6387705 |
Alkylation process using refractive index analyzer
An alkylation process that employs a refractive index analyzer to monitor, control, and/or determine acid catalyst strength before, during, or after the alkylation reaction. In a preferred...
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6376250 |
Composition and probe for detection of water
A visual indicating paste composition for detecting of aqueous solutions in hydrocarbons by changes in color. The paste is utilized by placing on a probe and inserting the probe in a storage device...
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6365413 |
Thin film thermal oxidative oil deposit testing device and method
Thin film thermal oxidative engine oil or other oleaginous liquid deposit device has an oleaginous test liquid placement volume; a heatable depositor surface in liquid communication with the...
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6344331 |
Water immiscible solvent based binding systems
A biphase immunoassay method is provided in which a water immiscible liquid is qualitatively or quantitatively measured by mixing a sample of the water immiscible liquid with an aqueous solution...
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6331436 |
Tracers for heavy oil
A process of using a non-radioactive tracer in the monitoring of the flow of a traced fluid is disclosed. The process includes injecting a tracer containing fluid at a first point and analyzing at...
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6245571 |
Method of characterizing the neutralization capacity of a lubricant and device for the implementation of this method
The invention relates to the study and the manufacture of lubricants used in particular in diesel engines. According to the invention, the neutralization capacity of a lubricant comprising...
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6235532 |
Furfuraldehyde detector and method of manufacturing the same
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6228650 |
Acid catalyst regeneration control
In an HF alkylation process where an acid catalyst regeneration column separates HF acid from ASO and water to provide regenerated catalyst for a catalyst circulation stream, and where buildup of...
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