Patent application number | Description | Published |
20100000575 | Method Of On-Line Cleaning Of A Heat Exchanger In An Ethanol Plant - A method for on-line cleaning of a heat exchanger in an ethanol plant, including providing heat exchanger, wherein said heat exchanger has an inlet, and an internal surface, wherein said internal surface has accumulated undesired solids; providing an antifoaming agent to said inlet, during normal operation; providing a caustic to said inlet, during normal operation, and cleaning the internal surface of said accumulated undesired solids, during normal operation is provided. | 01-07-2010 |
20100000576 | Method of Cleaning Beer Preheaters In An Ethanol Plant - A method for cleaning exchangers including providing a heat exchanger with a liquid contact side and a vapor contact side, providing acid to clean the liquid contact side, and providing caustic to clean the vapor contact side is provided. In the method, the exchanger may be a beer preheater. In the method, the acid may be sulfamic acid. In the method, the liquid contact side may be the beer side. In the method, the exchanger may be a plate-in-frame heat exchanger or a a shell-and-tube heat exchanger. In the method, the acid may be provided from a central storage tank. In the method, there may be a recirculation pump. In the method, the acid may be provided from a local storage tank. | 01-07-2010 |
20100000719 | Method Of Preheating Beer In An Ethanol Plant - A method for preheating beer including providing a first heat exchanger, comprising a first outlet stream at a first temperature; providing a second heat exchanger, comprising a hot heat transfer stream, a first flow control valve situated within said hot heat transfer stream, a second outlet stream at a second temperature, a temperature sensor situated within said second outlet stream; wherein said first outlet fluid comprises a first inlet stream, and a second flow control valve situated within said first inlet stream; determining said second temperature with said temperature sensor; comparing said second temperature to a predetermined temperature range; performing an operation selected from the group consisting of: maintaining said first flow control valve in a closed position, and maintaining said second flow control valve in an open position, if said second temperature is within said predetermined temperature range, modulating said first flow control valve in order to effect heat transfer between said hot heat transfer fluid and said first inlet fluid, such that said second temperature within said predetermined temperature range, and maintaining said second flow control valve in an open position, determining if said second temperature is not within said predetermined temperature range if said first control valve is in the fully open position, and then closing said second flow control valve, closing said first flow control valve, and redirecting said first outlet stream away from said second heat exchanger is provided. | 01-07-2010 |
20100000849 | Method Of Prevention Of Ethanol In Rectification Column Bottoms In An Ethanol Plant - A method for preventing ethanol buildup in a column including providing a column with a bottom temperature and a next temperature above the bottom; providing a first advisory, wherein said first advisory comprises a temperature difference between said bottom temperature and said next temperature above the bottom that exceeds a first predetermined value, wherein a first action is taken should this first advisory occur; providing a second advisory, wherein said second advisory comprises a temperature depression of said bottom temperature of a second predetermined value, wherein a second action is taken should this second advisory occur, and providing a third advisory, wherein said third advisory comprises a temperature depression of said bottom temperature of a third predetermined value, wherein a third action is taken should this third advisory occur is provided. | 01-07-2010 |
20100000850 | Method Of Improving Rectifier Column Performance In An Ethanol Plant - A method for improving rectifier column performance including positioning a temperature controller on the rectifier column feed tray, wherein said temperature controller is outside the fusel draw region, and controlling distillate composition or temperature, wherein said control is cascaded to the rectifier column flow control is provided. | 01-07-2010 |
20100004491 | Method Of Fuse Oil Decanting In An Ethanol Plant - An apparatus including an ethanol stream, wherein said ethanol stream contains greater than 5% of water; a dehydration means, wherein the water content of said ethanol stream is reduced to less than 5%; a desiccation means, wherein the water content of said ethanol stream is reduced to less than about 1%; a 200 proof receiver, wherein said 200 proof receiver comprises a sample port or a sensor to allow the percentage of water in the ethanol to be determined, and wherein said 200 proof receiver comprises an outlet; a heat exchanger to heat said ethanol stream with less than 1% water, and a mixing manifold downstream of said heat exchanger, wherein said heated ethanol stream with less than 1% water is combined with fusal oils from a fusal oil decanter is provided. | 01-07-2010 |
20110217415 | Hybrid fermentation process - A hybrid fermentation process for the production of; fermentation products is provided. This process includes combining a saccharide-rich slurry. This saccharide-rich slurry may include, but is not limited to starch, cellulose, hemi-cellulose, cellulobios, and may or may not contain, proteins, peptides, amino acids, lignin and to other biologically produced or environmental compounds. The process also includes a fermenting organism such as yeast, bacteria, archea, algae or other biocatalyst. The process also includes nutrients for the fermenting organism in a continuous fermentation step, thereby producing a partially fermented stream. The process also includes introducing the partially fermented product stream into a batch fermentation step, thereby producing a finished fermented beer stream. | 09-08-2011 |
Patent application number | Description | Published |
20090117358 | Extruded Polymer Foams Containing Brominated Fatty Acid-Based Flame Retardant Additives - Extruded polymer foams are prepared using brominated fatty acids, an ester, amide or ester-amide of a brominated fatty acid, a glyceride of one or more brominated fatty acids, or a polymerized brominated fatty acid as an FR additive. The brominated FR additives unexpectedly are stable at the extrusion temperatures, and provide excellent flame retardancy to the foams. | 05-07-2009 |
20090149561 | EXTRUDED POLYMER FOAMS CONTAINING BROMINATED 2-OXO-1,3,2-DIOXAPHOSPHORINANE COMPOUNDS AS FLAME RETARDANT ADDITIVES - Extruded polymer foams are prepared using 5,5-bis(bromomethyl)-2-oxo-1,3,2-dioxaphosphorinane or brominated 2-oxo-1,3,2-dioxaphosphorinane compounds. The brominated FR additives unexpectedly are stable at the extrusion temperatures, and provide excellent flame retardancy to the foams. | 06-11-2009 |
20090264605 | TECHNIQUE FOR SELECTING POLYMERIZATION MODIFIERS CORSS REFERENCE STATEMENT - A combinatorial method for identifying a catalyst composition for use in the homogeneous addition polymerization of an olefin monomers, said catalyst composition comprising a transition metal compound, a cocatalyst and a polymerization modifier, as well as catalyst compositions and improved olefin polymerization processes resulting therefrom. | 10-22-2009 |
20110152391 | EXPANDED STYRENIC POLYMERS CONTAINING AROMATIC PHOSPHONATE FR ADDITIVES - Expanded styrenic polymers contain 1 to 20% by weight of one or more aromatic polyphosphonate compounds corresponding to the following structure I: wherein a and b are each from 0 to 6, with a+b being from 2 to 6, each R is independently hydrogen, unsubstituted or inertly substituted alkyl having up to 6 carbon atoms, —NO | 06-23-2011 |
20110184135 | POLYMERIZATION MODIFIERS - A composition comprising a polymerization modifier for the copolymerization of at least one olefin monomer and 1-octene and a polymerization process using the polymerization modifier. | 07-28-2011 |
20110196117 | POLYMERIZATION MODIFIERS - A composition comprising a polymerization modifier for the copolymerization of at least one olefin monomer and propylene and a polymerization process using the polymerization modifier. | 08-11-2011 |
20120077894 | EXTRUDED POLYMER FOAMS CONTAINING BROMINATED FATTY ACID-BASED FLAME RETARDANT ADDITIVES - Extruded polymer foams are prepared using brominated fatty acids, an ester, amide or ester-amide of a brominated fatty acid, a glyceride of one or more brominated fatty acids, or a polymerized brominated fatty acid as an FR additive. The brominated FR additives unexpectedly are stable at the extrusion temperatures, and provide excellent flame retardancy to the foams. | 03-29-2012 |
20130102694 | Polyurethanes Made with Copper Catalysts - Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a copper catalyst that contains at least one copper atom associated with a polydentate ligand that contains at least one nitrogen-containing complexing site. | 04-25-2013 |
20130225781 | POLYURETHANES MADE USING ZINC CATALYSTS - Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a zinc catalyst that contains at least one zinc atom associated with a polydentate ligand that contains at least one nitrogen-containing complexing site. | 08-29-2013 |
20130256145 | PLATING BATH AND METHOD - Silver electroplating baths having certain sulfide compounds and methods of electrodepositing a silver-containing layer using these baths are disclosed. Such electroplating baths are useful to provide silver-containing solder deposits having reduced void formation and improved within-die uniformity. | 10-03-2013 |
20140221594 | Polyurethanes Made Using Mixtures of Tertiary Amine Compounds and Lewis Acids as Catalysts - Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a tertiary amine catalyst having a molecular weight of up to 300 and from 0.01 to 1.0 mole per mole of the tertiary amine compound(s) of a non-protic, non-catalytic, metal-containing Lewis acid. | 08-07-2014 |
20140238868 | ELECTROPLATING BATH - Compositions suitable for the electrodeposition of copper on substrates, such as electronic device substrates, are provided. Methods of depositing copper layers on surfaces and filling apertures with copper are also provided. | 08-28-2014 |
20140295078 | COMPOSITE POLYAMIDE MEMBRANE DERIVED FROM AROMATIC MONOMER INCLUDING ANHYDRIDE AND SULFONYL HALIDE FUNCTIONAL GROUPS - A method for making a composite polyamide membrane including the step of applying a polyfunctional amine monomer and polyfunctional acyl halide monomer to a surface of the porous support and interfacially polymerizing the monomers to form a thin film polyamide layer, wherein the method is characterized by: i) conducting the interfacial polymerization in the presence of an aromatic anhydride monomer include at least one sulfonyl halide functional group, or ii) applying the aromatic anhydride monomer to the thin film polyamide layer. | 10-02-2014 |
20150025262 | BIS(ARYL)ACETAL COMPOUNDS - A bis(aryl)acetal has the formula | 01-22-2015 |
20150025278 | AROMATIC POLYACETALS AND ARTICLES COMPRISING THEM - A polymer includes repeat units having the structure | 01-22-2015 |
20150065675 | POLYURETHANES MADE USING BISMUTH THIOCARBAMATE OR THIOCARBONATE SALTS AS CATALYSTS - Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a bismuth mono- or dithiocarbamate or mono- or dithiocarbonate salt. | 03-05-2015 |
20150073065 | POLYURETHANES MADE USING BISMUTH THIOPHOSPHORIC ACID DIESTER SALTS AS CATALYSTS - Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a bismuth thiophosphoric acid diester salt. | 03-12-2015 |
20150148502 | NON-CYCLOPENTADIENYL-BASED CHROMIUM CATALYSTS FOR OLEFIN POLYMERIZATION - Provided is a non-cyclopentadienyl-based chromium-ligand complex, preferably a chromium-ligand complex of formula (J): LCr(R | 05-28-2015 |
20150246993 | Polyurethanes Made with Copper Catalysts - Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a copper catalyst that contains at least one copper atom associated with a polydentate ligand that contains at least one nitrogen-containing complexing site. | 09-03-2015 |
Patent application number | Description | Published |
20150060055 | Systems and Methods for Artificial Lift Via a Downhole Positive Displacement Pump - Systems and methods for artificial lift via a downhole positive displacement pump are disclosed herein. The methods include methods of removing a wellbore liquid from a wellbore that extends within a subterranean formation and/or methods of locating the downhole positive displacement pump within the wellbore. The systems include hydrocarbon wells that include the wellbore, a casing, a rotary electric motor, the downhole positive displacement pump, and a liquid discharge conduit, and the systems may be utilized with and/or configured to perform the methods. | 03-05-2015 |
20150060083 | Systems and Methods for Artificial Lift Via a Downhole Piezoelectric Pump - Systems and methods for artificial lift via a downhole piezoelectric pump are disclosed herein. The methods include methods of removing a wellbore liquid from a wellbore that extends within a subterranean formation and/or methods of locating the downhole piezoelectric pump within the wellbore. The systems include hydrocarbon wells that include the wellbore, a casing, the downhole piezoelectric pump, and a liquid discharge conduit and the systems may be utilized with and/or configured to perform the methods. | 03-05-2015 |
20150114632 | High-Speed, Multi-Power Submersible Pumps and Compressors - An apparatus, method and system for removing fluids from a well comprising a rotary pump for positioning within the well, the rotary pump including an inlet end and a discharge end, the rotary pump comprising at least one pump impeller intermediate the inlet end and discharge end, the at least one pump impeller rotating at a rate greater than 3600 rpm; a driver for driving the at least one pump impeller to a rate greater than 3600 rpm, the driver positioned within the wellbore and operatively connected to the rotary pump; a magnetic bearing system, the magnetic bearing system operatively connected to the rotary pump and/or driver; and a digital controller positioned within the wellbore to control the magnetic bearing system. A method for removing liquids from a well and an apparatus and method for producing gas from a wellbore or injecting a fluid into a wellbore are also provided. | 04-30-2015 |
20150240602 | Gas Well Deliquification by Liquid Entrainment - A method for removing liquids from a gas well. The method includes the steps of atomizing gas well liquids within a wellbore to produce a volume weighted average droplet size of less than or equal to about 400 μm; dispersing the atomized gas well liquids within a gaseous production stream; producing the gaseous production stream having dispersed atomized gas well liquids; and adjusting atomization parameters to maximize the rate of gas well liquids removed. A system, apparatus and kit of parts for removing liquids from a gas well are also provided. | 08-27-2015 |
20150275633 | Selectively Actuated Plungers and Systems and Methods Including the Same - Selectively actuated plungers and systems and methods including the same are disclosed herein. The methods include flowing a wellbore fluid stream in fluid contact with a plunger and in an uphole direction within a wellbore conduit while the plunger is located within a target region of the wellbore conduit. The methods further include maintaining the plunger in a low fluid drag state while a variable associated with the wellbore fluid stream is outside a threshold range and transitioning the plunger to a high fluid drag state responsive to the variable associated with the wellbore conduit being within the threshold range. The methods further include conveying the plunger in the uphole direction within the wellbore conduit. The systems include the plungers and/or hydrocarbon wells that include the plungers. | 10-01-2015 |