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Intellectual Property Holdings Llc patents


Recent patent applications related to Intellectual Property Holdings Llc. Intellectual Property Holdings Llc is listed as an Agent/Assignee. Note: Intellectual Property Holdings Llc may have other listings under different names/spellings. We're not affiliated with Intellectual Property Holdings Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "I" | Intellectual Property Holdings Llc-related inventors


Processes for producing lignin-based enzymatic hydrolysis enhancers, and compositions produced therefrom

This disclosure provides lignin-based enzymatic hydrolysis enhancer that includes ethanol-soluble, partially sulfonated lignin. Some embodiments provide a lignin-based enzymatic hydrolysis enhancer comprising avap® lignin. ... Intellectual Property Holdings Llc

Helmet retention system

The present application discloses a helmet, a retention system for a helmet, and a method of adjusting a helmet. In certain embodiments, the helmet comprises a helmet shell and a retention system attached to the helmet shell. ... Intellectual Property Holdings Llc

Nanocellulose production co-located at a pulp and paper mill

Some variations provide a process for producing a nanocellulose material, comprising: providing a biomass feedstock comprising a bleached or unbleached pulp material; fractionating the feedstock in the presence of an acid, a solvent for lignin, and water, to generate cellulose-rich solids and a liquid containing hemicellulose and lignin; and mechanically treating the cellulose-rich solids to form cellulose fibrils and/or cellulose crystals, thereby generating a nanocellulose material. The process is preferably co-located with, or adjacent to, a mill that generates the pulp material. ... Intellectual Property Holdings Llc

Hydrothermal-mechanical conversion of lignocellulosic biomass to ethanol or other fermentation products

A low-cost process is provided to render lignocellulosic biomass accessible to cellulase enzymes, to produce fermentable sugars. Some variations provide a process to produce ethanol from lignocellulosic biomass (such as sugarcane bagasse or corn stover), comprising introducing a lignocellulosic biomass feedstock to a single-stage digestor; exposing the feedstock to a reaction solution comprising steam or liquid hot water within the digestor, to solubilize the hemicellulose in a liquid phase and to provide a cellulose-rich solid phase; refining the cellulose-rich solid phase, together with the liquid phase, in a mechanical refiner, thereby providing a mixture of refined cellulose-rich solids and the liquid phase; enzymatically hydrolyzing the mixture in a hydrolysis reactor with cellulase enzymes, to generate fermentable sugars; and fermenting the fermentable sugars to produce ethanol. ... Intellectual Property Holdings Llc

Nanocellulose-reinforced cellulose fibers

Nanocellulose-reinforced cellulose fibers can increase the strength of hardwood fibers or agricultural-residue cellulose fibers, to simulate the strength of softwood fibers in pulp or pulp products (including composites). In some variations, the invention provides a method of reinforcing cellulose fibers, comprising providing cellulose fibers derived from hardwoods, agricultural residues, or a combination thereof; providing a source of nanocellulose comprising cellulose nanofibrils and/or cellulose nanocrystals; and reinforcing the cellulose fibers with the nanocellulose to increase strength of the cellulose fibers. ... Intellectual Property Holdings Llc

Solar tracker drive shaft

A drive shaft includes an extruded internal tube having teeth formed thereon. The drive shaft also includes an extruded external tube having teeth formed therein and coaxially receiving the internal tube. ... Intellectual Property Holdings Llc

Solar panel drive shaft

A drive shaft includes an extruded internal tube having teeth formed thereon. The drive shaft also includes an extruded external tube having teeth formed therein and coaxially receiving the internal tube. ... Intellectual Property Holdings Llc

Solvent-based processes for producing nanocellulose, and compositions and products produced therefrom

The present invention provides a process for producing a nanocellulose material, comprising: fractionating a lignocellulosic biomass feedstock in the presence of a solvent for lignin and water, but no acid catalyst, to generate cellulose-rich solids; and then mechanically treating the cellulose-rich solids to form a nanocellulose material comprising cellulose nanofibrils and/or cellulose nanocrystals. Many organic or inorganic solvents are possible. ... Intellectual Property Holdings Llc

Methods for inactivating mosquito larvae using aqueous chlorine dioxide treatment solutions

Provided herein are methods of inactivating a mosquito larva, the methods comprising exposing the larva to an aqueous chlorine dioxide treatment solution for a minimum contact time, wherein the aqueous chlorine dioxide treatment solution comprises a residual chlorine dioxide concentration at the conclusion of the minimum contact time. Also provided herein are methods of treating a body of water containing a mosquito larva. ... Intellectual Property Holdings Llc

Processes and systems for producing nanocellulose from old corrugated containers

In some variations, occ is screened, cleaned, deinked, and mechanically refined to generate cellulose nanofibrils. The occ may be subjected to further chemical, physical, or thermal processing, prior to mechanical refining. ... Intellectual Property Holdings Llc

Helmet retention system

The present application discloses a helmet, a helmet retention system, and a method of adjusting a helmet. In certain embodiments, the helmet comprises a helmet shell and a helmet retention system. ... Intellectual Property Holdings Llc

Systems and methods for continuously fermenting c5 and c6 saccharides

This invention provides optimized fermentation of cellulosic and hemicellulosic sugars. Biomass-derived hemicellulosic and cellulosic sugars are independently conditioned and separately fermented, utilizing reuse and recycle of microorganisms, metabolic intermediates, and nutrients. ... Intellectual Property Holdings Llc

Processes for producing lignin-coated hydrophobic cellulose, and compositions and products produced therefrom

Processes disclosed are capable of converting biomass into high-crystallinity, hydrophobic cellulose. In some variations, the process includes fractionating biomass with an acid (such as sulfur dioxide), a solvent (such as ethanol), and water, to generate cellulose-rich solids and a liquid containing hemicellulose and lignin; and depositing lignin onto cellulose fibers to produce lignin-coated cellulose materials (such as dissolving pulp). ... Intellectual Property Holdings Llc

Nanocellulose-reinforced corrugated medium

The present invention provides a pulp product (e.g., paper) comprising cellulose and nanocellulose, wherein the nanocellulose is derived from the cellulose in a mechanical and/or chemical step that is separate from the main pulping process. The pulping process may be thermomechanical pulping or hydrothermal-mechanical pulping, for example. ... Intellectual Property Holdings Llc

08/24/17 / #20170240792

Drilling fluid additives and fracturing fluid additives containing cellulose nanofibers and/or nanocrystals

This disclosure provides drilling fluids and additives as well as fracturing fluids and additives that contain cellulose nanofibers and/or cellulose nanocrystals. In some embodiments, hydrophobic nanocellulose is provided which can be incorporated into oil-based fluids and additives. ... Intellectual Property Holdings Llc

08/10/17 / #20170226408

Flooding operations employing chlorine dioxide

A method includes introducing a treatment fluid including a first polymer gel into a subterranean formation to generate a production fluid having an aqueous portion and a hydrocarbon portion, treating the aqueous portion of the production fluid with chlorine dioxide to separate additional hydrocarbons from the aqueous portion, and adjusting the viscosity of the treated aqueous portion prior to introducing the treated aqueous portion back into the subterranean formation.. . ... Intellectual Property Holdings Llc

08/10/17 / #20170225225

Device and method for forming a metal matrix composite vehicle component

An exemplary method for making a metal matrix composite vehicle component includes: using a mold including male and female die portions having mold surfaces and a plurality of spacers; heating the mold to a casting temperature; placing a ceramic preform on the plurality of spacers, the ceramic preform being spaced apart from at least one of the mold surfaces by the spacers; closing the mold to form a mold cavity between the mold surfaces of the male and female die portions, the ceramic preform being disposed within the mold cavity; providing molten metal into the mold cavity; and pressurizing the molten metal to a casting pressure for a casting duration to infiltrate the ceramic preform thereby forming the metal matrix composite vehicle component.. . ... Intellectual Property Holdings Llc

07/27/17 / #20170210827

Processes and apparatus for producing nanocellulose, and compositions and products produced therefrom

Processes disclosed are capable of converting biomass into high-crystallinity nanocellulose with surprisingly low mechanical energy input. In some variations, the process includes fractionating biomass with an acid (such as sulfur dioxide), a solvent (such as ethanol), and water, to generate cellulose-rich solids and a liquid containing hemicellulose and lignin; and mechanically treating the cellulose-rich solids to form nanofibrils and/or nanocrystals. ... Intellectual Property Holdings Llc

07/27/17 / #20170210826

Processes for producing nanocellulose, and nanocellulose compositions produced therefrom

Various processes are disclosed for producing nanocellulose materials following steam extraction or hot-water digestion of biomass. Processes are also disclosed for producing nanocellulose materials from a wide variety of starting pulps or pretreated biomass feedstocks. ... Intellectual Property Holdings Llc

07/20/17 / #20170204563

Processes for producing cellulose pulp and pulp-derived products from lignocellulosic biomass

The greenbox+ technology is suitable to extract hemicellulose sugars prior to pulping of biomass into pulp products. The revenue obtainable from the sugar stream can significantly improve the economics of a pulp and paper mill. ... Intellectual Property Holdings Llc

07/20/17 / #20170204440

Methods and systems for enzymatic hydrolysis of pretreated biomass at high solids concentrations

A method of enzymatically hydrolyzing pretreated lignocellulosic biomass at high solids concentration includes introducing pretreated biomass to a hydrolysis reactor, to hydrolyze the cellulose to glucose monomer and glucose oligomers, and circulating a liquid stream, from which glucose is removed to reduce glucose inhibition of cellulose hydrolysis. A surfactant may be added to the hydrolysis reactor. ... Intellectual Property Holdings Llc

07/06/17 / #20170190800

Nanocellulose compositions and processes to produce same

A composition comprising nanocellulose is disclosed, wherein the nanocellulose contains very low or essentially no sulfur content. The nanocellulose may be in the form of cellulose nanocrystals, cellulose nanofibrils, or both. ... Intellectual Property Holdings Llc

07/06/17 / #20170190682

Processes and apparatus for producing furfural, levulinic acid, and other sugar-derived products from biomass

In some variations, the invention provides a process for producing furfural, 5-hydroxymethylfurfural, and/or levulinic acid from cellulosic biomass, comprising: fractionating the feedstock in the presence of a solvent for lignin, sulfur dioxide, and water, to produce a liquor containing hemicellulose, cellulose-rich solids, and lignin; hydrolyzing the hemicellulose contained in the liquor, to produce hemicellulosic monomers; dehydrating the hemicellulose to convert at least a portion of c5 hemicelluloses to furfural and to convert at least a portion of c6 hemicelluloses to 5-hydroxymethylfurfural; converting at least some of the 5-hydroxymethylfurfural to levulinic acid and formic acid; and recovering at least one of the furfural, the 5-hydroxymethylfurfural, or the levulinic acid. Other embodiments provide a process for dehydrating hemicellulose to convert oligomeric c5 hemicelluloses to furfural and to convert oligomeric c6 hemicelluloses to 5-hydroxymethylfurfural. ... Intellectual Property Holdings Llc

07/06/17 / #20170189990

Metal matrix composite vehicle component and method

An exemplary method for making a metal matrix composite vented brake rotor includes: providing a first side plate; providing a second side plate; and welding the first and second side plates together. The first and second side plates have outer surfaces, inner surfaces, and metal matrix composite portions extending from the outer surfaces to a distance from the inner surface that is less than a thickness measured between the inner surface and outer surface. ... Intellectual Property Holdings Llc

06/29/17 / #20170183554

Processes for producing high-viscosity compounds as rheology modifiers, and compositions produced therefrom

A process is provided for producing a biomass-derived rheology modifier, comprising: providing a pretreated feedstock comprising cellulose-rich solids; refining the cellulose-rich solids in a first high-intensity refining unit, generating refined cellulose solids; gelling the refined cellulose solids in a second high-intensity refining unit, thereby generating gelled cellulose solids; and homogenizing the gelled cellulose solids in a high-shear homogenizer, thereby generating a biomass-derived rheology modifier. The pretreated feedstock may include kraft pulp, sulfite pulp, avap® pulp, soda pulp, mechanical pulp, thermomechanical pulp, and/or chemimechanical pulp, derived from wood or lignocellulosic biomass. ... Intellectual Property Holdings Llc

06/08/17 / #20170158539

System and method for converting organic waste into methane and other useful products

An organic waste processing system and method for producing an organic waste slurry for the production of bio-gas, transportation fuels or chemical products, wherein the system and method produces an organic waste slurry having substantially ten to fifteen percent in total solids and high levels of cod.. . ... Intellectual Property Holdings Llc

03/23/17 / #20170082202

Seals for natural gas compressor

An exemplary reciprocating compressor includes a compression chamber enclosed by a cylinder and a piston. The piston includes a piston seal for sealing a gas in the compression chamber. ... Intellectual Property Holdings Llc

02/09/17 / #20170037436

Hydrothermal-mechanical conversion of lignocellulosic biomass to ethanol or other fermentation products

A low-cost process is provided to render lignocellulosic biomass accessible to cellulase enzymes, to produce fermentable sugars. Some variations provide a process to produce ethanol from lignocellulosic biomass (such as sugarcane bagasse or corn stover), comprising introducing a lignocellulosic biomass feedstock to a single-stage digestor; exposing the feedstock to a reaction solution comprising steam or liquid hot water within the digestor, to solubilize the hemicellulose in a liquid phase and to provide a cellulose-rich solid phase; refining the cellulose-rich solid phase, together with the liquid phase, in a mechanical refiner, thereby providing a mixture of refined cellulose-rich solids and the liquid phase; enzymatically hydrolyzing the mixture in a hydrolysis reactor with cellulase enzymes, to generate fermentable sugars; and fermenting the fermentable sugars to produce ethanol. ... Intellectual Property Holdings Llc

01/19/17 / #20170015822

Nanocellulose-polystyrene composites

A new polystyrene-nanocellulose composite material is disclosed. The composite may contain about 0.01 wt % to about 10 wt %, such as about 0.1 wt % to about 2 wt % of nanocellulose. ... Intellectual Property Holdings Llc

01/05/17 / #20170002387

Processes for fermentation of lignocellulosic glucose to aliphatic alcohols or acids

A process for producing an organic aliphatic product (such as butanol) from lignocellulosic biomass is provided, comprising: (a) fractionating lignocellulosic biomass in the presence of a solvent for lignin, a hydrolysis catalyst, and water, to produce a liquor containing hemicellulose, cellulose-rich solids, and lignin; (b) washing the cellulose-rich solids and separating the cellulose-rich solids from the liquor; (c) enzymatically hydrolyzing the cellulose-rich solids to generate a hydrolysate comprising glucose; (d) detoxifying the hydrolysate by neutralizing the hydrolysate, removing insoluble solids, and removing or oxidizing residual hydrolysis catalyst, thereby generating a purified hydrolysate; (e) fermenting the purified hydrolysate using a suitable microorganism to produce a dilute organic aliphatic product, wherein the microorganism is recycled with a membrane; (f) extracting the dilute organic aliphatic product into a water-immiscible extractant, to generate an intermediate material; and (g) distilling the intermediate material to generate a concentrated organic aliphatic product.. . ... Intellectual Property Holdings Llc








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