Patent application number | Description | Published |
20110124056 | Pretreatment of Ligno-Cellulosic Biomass with Sulfonation - Provided are methods for the pretreatment of ligno-cellulosic biomass such as softwoods with bisulfite such as ammonium bisulfite without the need for exogenous acid. In one variation, a method of pretreating ligno-cellulosic biomass is provided including the following steps: a) providing ligno-cellulosic biomass; b) contacting the ligno-cellulosic biomass with a solution comprising bisulfite at an amount between 1 and 10% of a dry weight of the ligno-cellulosic biomass to form a slurry; c) heating the slurry to a first temperature of 150-210° C. for a first period of time to form a first mixture; d) cooling the first mixture to a second temperature of 100-200° C. to form a second mixture; and e) maintaining the second mixture at the second temperature for a second period of time to form pretreated ligno-cellulosic biomass; wherein the first temperature is higher than the second temperature. | 05-26-2011 |
20110312033 | METHODS OF SPRAYING SACCHARIFICATION ENZYMES AND FERMENTATION ORGANISMS ONTO LIGNOCELLULOSIC BIOMASS FOR HYDROLYSIS AND FERMENTATION PROCESSES - The present invention provides spray methods of delivering saccharification enzymes, fermentation organisms, and other hydrolysis or fermentation ingredients onto lignocellulosic biomass. The methods reduce the need for mechanical mixing when the biomass solids are undergoing enzymatic hydrolysis, and reduce dilution to allow higher product titers in the hydrolysis and/or fermentation steps. | 12-22-2011 |
20120264178 | METHODS OF ENABLING ENZYMATIC HYDROLYSIS AND FERMENTATION OF LIGNOCELLULOSIC BIOMASS WITH PRETREATED FEEDSTOCK FOLLOWING HIGH SOLIDS STORAGE IN THE PRESENCE OF ENZYMES - The present invention provides methods of producing pretreated lignocellulosic biomass combined with enzymes for the storage and transporation of the pretreated lignocellulosic biomass that may be used in biofuel and bioproduct production. The methods allows the coexistence of the pretreated lignocellulosic biomass and the enzymes during storage and transporation, the immediate hydrolysis of the pretreated lignocellulosic biomass to produce sugars, without further addition of enzymes, in a biofuel or bioproduct production site, the enhancement of the final hydrolytic activity of the pretreated lignocellulosic biomass, and/or the reduction in sensitivity of the inhibitors in the pretreated lignocellulosic biomass. | 10-18-2012 |
20130118483 | SOLID LIGNOCELLULOSIC HYDROLYSATE AND METHODS TO PREPARE A SOLID LIGNOCELLULOSIC HYDROLYSATE - The present disclosure provides a solid lignocellulosic hydrolysate and methods to prepare the solid lignocellulosic hydrolysate from a woody biomass or an herbaceous biomass. The solid lignocellulosic hydrolysate may be used in the production of biofuels, bioproducts, and food products. The solid lignocellulosic hydrolysate allows for ease of storage, ease of transportation and handling of the solid lignocellulosic hydrolysate, and ease of use in biological or fermentation processes or chemical processes for the production of biofuel, bioproducts, chemicals and food products due to the bulk handling characteristics (e.g., solubility and rate of dissolution) of the solid lignocellulosic hydrolysate. | 05-16-2013 |
20140303415 | HIGH PRESSURE FEEDING SYSTEM FOR A LIQUID-BASED BIOMASS TO LIQUID REACTOR - The present disclosure provides methods to transfer a pressurized slurry of plant-based biomass into a reactor vessel. The methods allow for the transfer of practical-sized pieces of biomass in a slurry pressurized to above about 300 psi. | 10-09-2014 |
Patent application number | Description | Published |
20120186808 | Composite Bow Centralizer - A centralizer comprises a first collar, a second collar, a plurality of bow springs coupling the first collar to the second collar, and a plurality of particulates disposed on an outer surface of at least one bow spring. One or more of the first collar, the second collar, and the bow springs comprises a composite material. In some embodiments, the centralizer comprises a third collar, wherein the plurality of bow springs comprise a first portion of bow springs and a second portion of bow springs, and wherein the first portion of the bow springs couple the first collar to the third collar and the second portion of the bow springs couple the second collar to the third collar. | 07-26-2012 |
20120186828 | Composite Bow Centralizer - A method comprising providing a centralizer disposed about a wellbore tubular, wherein the centralizer comprises a first collar, a second collar, a plurality of bow springs coupling the first collar to the second collar, and a plurality of particulates disposed on an outer surface of at least one bow spring, wherein one or more of the first collar, the second collar, and the bow springs comprise a composite material, and placing the wellbore tubular in a wellbore disposed in a subterranean formation. A method comprising providing a centralizer disposed about a wellbore tubular, wherein the wellbore tubular comprises a stop collar, a protrusion, or an upset on either end of the centralizer, and wherein the centralizer comprises three or more collars, a plurality of bow springs comprising a plurality of portions of bow springs, wherein each portion of bow springs couples two adjacent collars, and wherein one or more of the collars and the bow springs comprise a composite material, and placing the wellbore tubular in a wellbore disposed in a subterranean formation. | 07-26-2012 |
20130068483 | Composite Limit Collar - A tubular component includes a limit collar disposed about the tubular component, and the limit collar comprises a body portion comprising a plurality of upsets disposed on an inner surface of the body portion, wherein the plurality of upsets define a first ring, a second ring, and at least one rib, at least one chamber formed between the inner surface of the body portion, an outer surface of the tubular component, and one or more surfaces of the first ring, the second ring, or the at least one rib, and a binder portion disposed in the at least one chamber. | 03-21-2013 |
20130112410 | Subsurface Release Cementing Plug - A subsurface release plug release apparatus comprising a mandrel comprising a bottom plug portion, a top plug portion, a work string attachment portion, a first release portion between the bottom plug portion and the top plug portion, wherein the first release portion comprises a controlled strength segment configured to fail structurally and thereby release the bottom plug portion at a first fluid pressure, and a second release portion between the top plug portion and the work string attachment portion, wherein the second release portion is configured to release the bottom plug portion at a second fluid pressure, wherein the first fluid pressure is less than the second fluid pressure, a bottom plug body disposed about the bottom plug portion of the mandrel, and a top plug body disposed about the top plug portion of the mandrel. | 05-09-2013 |
20130233568 | Composite Centralizer with Expandable Elements - A centralizer comprises a first body portion, a second body portion, a plurality of bow springs connecting the first body portion to the second body portion, and one or more expandable elements coupled to the first body portion and the second body portion. A method of centralizing a wellbore tubular comprises compressing a bow spring radially inward from a starting position to a compressed position, wherein the bow spring is coupled to a first body portion and a second body portion, applying a tensile force between the first body portion and the second body portion while the bow spring is in the compressed position, and restoring the bow spring from the compressed position to the starting position. | 09-12-2013 |
20140338893 | Composite Bow Centralizer - A centralizer comprises a first collar, a second collar, a plurality of bow springs coupling the first collar to the second collar, and a plurality of particulates disposed on an outer surface of at least one bow spring. One or more of the first collar, the second collar, and the bow springs comprises a composite material. In some embodiments, the centralizer comprises a third collar, wherein the plurality of bow springs comprise a first portion of bow springs and a second portion of bow springs, and wherein the first portion of the bow springs couple the first collar to the third collar and the second portion of the bow springs couple the second collar to the third collar. | 11-20-2014 |
20140345853 | Composite Bow Centralizer - A centralizer can be produced from a process comprising forming a plurality of composite bow spring from a fiber and a resin, curing the composite bow springs in a desired shape to form a plurality of cured bow springs, disposing a first portion of a resin-wetted fiber about a cylindrical mandrel to form a plurality of collars, disposing the plurality of cured bow springs onto the mandrel with the bow spring ends in contact with the first portion of resin-wetted fiber, disposing a second portion of the resin-wetted fiber about the cylindrical mandrel, curing the collars to form a cured centralizer, and pressing the mandrel out of the cured centralizer. | 11-27-2014 |
Patent application number | Description | Published |
20080295707 | STUFFING CAGE - A cage for holding a filling material includes a housing have a first part and a second part. An orifice is defined between the first part and the second part for holding a filling material. The housing is shaped in a manner such that is it insertable inside a cavity and has an open position in which filling material may be inserted into the orifice. The housing also has a closed position in which the filling material is trapped within the orifice. The housing is cage-like for holding the filling material. The housing may include a handle, hinges for joining the first and second parts, and a latching mechanism for latching the first and second parts together. | 12-04-2008 |
20110064855 | CHECKERBOARD BAKING PAN SYSTEM AND METHOD - A checkerboard baking pan system includes at least one pan and an insert for seating inside the at least one pan. The pan has a substantially flat bottom wall and upstanding side walls surrounding the bottom wall to form a receptacle. The pan has a non-circular shape, with said non-circular shape having a length and a width. The insert has at least two longitudinally extending members and at least two cross-braces for coupling the longitudinally extending members together. A method for forming a non-circular checkerboard cake having multi-layers is also discussed and includes forming two or three layers having varying colors using the insert. | 03-17-2011 |
20110108556 | BROWNIE PAN WITH EDGES - A brownie pan system includes a pan, at least one separation wall, and means for holding the at least one separation wall in place in the pan. The pan has a bottom, side walls and end walls. The end walls are positioned at longitudinal ends of the pan. The at least one separation wall is dimensioned to seat in the pan longitudinally so that the bottom edge of the separation wall sits in the vicinity of the bottom of the pan. | 05-12-2011 |
20110127261 | CRACKER SERVING AND STORAGE SYSTEM - A cracker serving and storage system includes a tray defining a trough having at least two sides and a slidable spacer configured to couple to the two sides and slide along the trough to capture the crackers in the tray. A storage container is also provided for storing the crackers and tray therein. A method for storing and serving crackers includes providing a cracker tray, positioning crackers in the tray, providing a spacer, and positioning the spacer between the rails behind the crackers to hold the crackers in position in the tray. | 06-02-2011 |
20120055188 | ICE CUBE TRAY AND LIFTER - A combination ice cube tray and ice cube lifter includes a tray having a plurality of openings and a lifting device. The tray has one or more recesses, each of which has a bottom wall and side walls that extend upwardly from and contiguously around the bottom wall for forming one or more ice cubes therein. The lifting device has a base portion and a top member. The base portion includes one or more cradles configured to seat within the one or more recesses of the tray to seat against the bottom wall of each of the one or more recesses of the tray. Each of the one or more cradles is coupled to an upstanding member. The top member couples to the upstanding members. A method for lifting ice cubes from a tray is also disclosed. | 03-08-2012 |
Patent application number | Description | Published |
20130068483 | Composite Limit Collar - A tubular component includes a limit collar disposed about the tubular component, and the limit collar comprises a body portion comprising a plurality of upsets disposed on an inner surface of the body portion, wherein the plurality of upsets define a first ring, a second ring, and at least one rib, at least one chamber formed between the inner surface of the body portion, an outer surface of the tubular component, and one or more surfaces of the first ring, the second ring, or the at least one rib, and a binder portion disposed in the at least one chamber. | 03-21-2013 |
20130319689 | Pull Through Centralizer - A centralizer system comprising a centralizer disposed about a wellbore tubular, wherein the centralizer comprises, a first body portion, a second body portion, a plurality of bow springs connecting the first body portion to the second body portion, and at least one window disposed in the first body portion, and a retaining portion disposed in the at least one window, wherein the retaining portion is configured to provide a substantially fixed engagement between the first body portion and the wellbore tubular. | 12-05-2013 |
20130319690 | Pull Through Centralizer - A centralizer system comprising a centralizer disposed about a wellbore tubular, wherein the centralizer comprises, a first body portion, a second body portion, and a plurality of bow springs connecting the first body portion to the second body portion, and a plurality of limit collars coupled to the wellbore tubular between the first body portion and the second body portion, where at least one of the plurality of limit collars is configured to engage the first body portion or the second body portion and pull the centralizer in the direction of travel within the wellbore. | 12-05-2013 |