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8177939 |
Cellulose articles containing an additive composition
In one embodiment, the present invention provides a method of forming a cellulose article having a specific volume of less than 3 cc/gm. The method includes the step of incorporating cellulose...
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8177938 |
Method of making regenerated cellulose microfibers and absorbent products incorporating same
A method of making regenerated cellulose microfibers includes forming segmented fibers with multiple longitudinally-extending segments of slightly different composition such that there is defined...
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8029646 |
Cellulose articles containing an additive composition
In one embodiment, the present invention provides a method of forming a cellulose article having a specific volume of less than 3 cc/gm. The method includes the step of incorporating cellulose...
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7998313 |
Inflated fibers of regenerated cellulose formed from ionic liquid/cellulose dope and related products
Inflated fibers of regenerated cellulose and other regenerated structures are formed from ionic liquid/cellulose dope. Fibers so produced may be incorporated into absorbent sheet with other...
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7985321 |
Absorbent sheet having regenerated cellulose microfiber network
An absorbent paper sheet for tissue or towel includes from about 99 percent to about 70 percent by weight of cellulosic papermaking fiber and from about 1 percent to about 30 percent by weight...
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7959762 |
Method for making biodegradable superabsorbent particles
A method for making mixed polymer composite fibers in which a carboxyalkyl cellulose and a starch are blended in water to provide an aqueous gel; the aqueous gel treated with a first crosslinking...
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7919667 |
Absorbent products and methods of preparation thereof
An improved absorbency material for absorbency applications comprised of a cellulosic fibrous material wherein said cellulosic fibrous material such as pulp is a cold alkali solution treated...
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7854822 |
Plasticizing formulation for fluff pulp and plasticized fluff pulp products made therefrom
A plasticizing formulation for producing plasticized fluff pulp. The plasticizing formulation, which preferably is an aqueous solution, includes a primary plasticizing agent, and optionally a...
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7833915 |
Grease, oil and wax resistant paper composition
In order to provide grease, oil and wax resistance to a paper substrate, a coating containing a binder, a filler material and calcium carbonate is used. The coating of the invention is essentially...
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7828936 |
Dissolution of cellulose in mixed solvent systems
A method for dissolving cellulose in which the cellulose based raw material is admixed with a mixture of a dipolar aprotic intercrystalline swelling agent and an ionic liquid at a temperature of...
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7776180 |
Process for preparing a flame retardant and glow resistant zinc free cellulose product
Provided is a process for the preparation of flame retardant cellulosic product including the steps of adding a soluble salt of silica to viscose, followed by blending and extruding the blended...
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7776179 |
Fire-retardant, method for manufacturing fire-retardant cellulose-based
The present invention imparts fire-retardancy upon cellulosic products utilizing a cost-effective, non-toxic, and reliable process. Unlike previous methods which impart superficial fire-retardant...
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7767059 |
Strong and dispersible paper products
The invention relates to a flushable paper product comprising a fibrous substrate having (i) at least one strength region comprising a reacted cationic or a reacted nonionic strength agent and (ii)...
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7749583 |
Low density paperboard
A paperboard including a solid bleached sulfate paperboard substrate and a coating applied to the paperboard substrate to form a coated structure, the coated structure having a basis weight, a...
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7686921 |
Liquid distribution mat made of enhanced cellulosic fibers
A liquid distribution mat that is a wet-laid mat of enhanced cellulosic fibers that are cellulosic fibers cross-linked in sheet form, as well as methods of making the liquid distribution mat. The...
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7655112 |
Integrated paper comprising fibrillated fibers and active particles immobilized therein
An integrated paper having capabilities and functionalities provided by both the fiber and the active agent ingredients, and a method of immobilizing the active agents within the integrated paper....
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7651590 |
Flame retardant and glow resistant zinc free cellulose product
A flame retardant and glow resistant zinc free cellulose product containing silica, modified with polyaluminium ions. In the preparation of product the cellulose solution (viscose) and sodium...
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7601212 |
Pigment particles coated with polysaccharides and having improved properties
Processes for altering surface properties of pigment particles are provided. The processes include coating the particles with ionic natural polysaccharides or ionic derivatives of natural...
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7582213 |
Cellulose fiber-based filters
The present invention comprises an improved method for refining cellulose that produces a highly refined cellulosic material. The method comprises soaking raw material in a mild NaOH using reduced...
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7541396 |
Method for making carboxyalkyl cellulose
Methods for making the carboxyalkyl cellulose.
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7497924 |
Surface treatment with texturized microcrystalline cellulose microfibrils for improved paper and paper board
The present invention relates to the production of texturized microcrystalline cellulose from raw pulp material. This texturized microcrystalline cellulose can then be used for surface treatment of...
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7381298 |
Process for making a paperboard from a high consistency slurry containing high levels of crosslinked cellulosic fibers
A process is described for manufacturing a paperboard from a high consistency slurry containing high levels of crosslinked cellulosic fibers by dispersing the fibers in a screen with a rotor in the...
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7381294 |
Method and apparatus for manufacturing microfibrillated cellulose fiber
A method for producing a microfibrillated cellulose, which comprises subjecting a slurry containing a pulp having a solids concentration of 1 to 6 wt % to the treatment with a disc refiner...
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7364639 |
Method of producing twisted, curly fibers
A method of forming twisted, curly fibers from a wet wood pulp without the aid of a wet fluffing process or a chemical cross-linker. The method includes forming the wet wood pulp into fiber bundles...
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7291247 |
Absorbent sheet made with papermaking fibers with durable curl
A process for bleaching high bulk cellulosic fiber and producing a durable elevated curl index includes: (a) concurrently bleaching, heat treating and convolving cellulosic fiber pulp at elevated...
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7288167 |
Cross-linked pulp sheet
The invention provides a method for preparing cross-linked cellulosic fibers. A sheet of mercerized cellulosic fibers with a purity of at least 95% is treated with a solution containing a...
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7285184 |
Cellulosic fiber pulp and highly porous paper products produced therefrom
A cellulosic pulp, method of producing the pulp, and associated paper product produced therefrom produced by providing mercerized cellulosic fibers and depositing a hemicellulose coating upon the...
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7166190 |
Methods for forming a fluted composite
Methods for forming an absorbent fibrous composite containing absorbent material dispersed in bands through the composite and along the composite's length are disclosed. The methods generally...
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7115187 |
Method and device for continually producing a suspension of cellulose in an aqueous amine oxide
The invention relates to a method for continually producing a suspension of cellulose in an aqueous tertiary amine oxide. The method includes (a) mixing cellulose and an amine oxide-free aqueous...
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7094318 |
Chemically cross-linked cellulosic fiber and method of making same
The present invention relates to cross-linked cellulosic fiber having improved absorbency characteristics when compared to conventional cross-linked fibers. The cross-linked cellulosic fiber is...
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7074301 |
Chemically cross-linked cellulose fiber and method of making same
The present invention relates to cross-linked cellulosic fiber having improved absorbency characteristics when compared to conventional cross-linked fibers. The cross-linked cellulosic fiber is...
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7018508 |
Process for producing dried singulated crosslinked cellulose pulp fibers
This invention provides a dried singulated crosslinked cellulose pulp fiber product as well as an apparatus and a method for forming singulated, crosslinked, and dried fibers. In accordance with...
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7018511 |
Crossed-linked pulp and method of making same
The invention provides a method for preparing cross-linked cellulosic fibers. A sheet of mercerized cellulosic fibers with a purity of at least 95% is treated with a solution containing a...
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7001483 |
Apparatus for making carboxylated pulp fibers
An apparatus for carboxylating wood pulp which utilizes the wood pulp bleach plant and the method of carboxylating the pulp which takes place in the bleach plant.
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6986793 |
Method for making bleached crosslinked cellulosic fibers with high color and brightness
A method for making bleached crosslinked cellulosic fibers having high color and brightness properties is disclosed. In the method cellulosic fibers which have been with a crosslinking agent in the...
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6949166 |
Single ply webs with increased softness having two outer layers and a middle layer
“Products made from a process for increasing the tactile properties of a base web without adversely affecting the strength of the web is disclosed. In general, the process includes the steps of p...
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6916402 |
Process for bonding chemical additives on to substrates containing cellulosic materials and products thereof
Articles containing cellulose materials and treated with a chemical additive are disclosed. In accordance with the present invention, at least a portion of the cellulose containing the article is...
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6872246 |
Fiber cement composite materials using cellulose fibers loaded with inorganic and/or organic substances
This invention discloses a new technology related to cellulose fiber reinforced cement composite materials using the loaded cellulose fibers. This invention discloses four aspects of the...
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6841038 |
Soft absorbent web material
A web comprised of lyocell fibers. The web may be a homogeneous blend of fibers with lyocell fibers having a length of less than about 6 mm as a portion of the blend. The web may be a multi layered...
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6837972 |
Tissue and towel products containing crosslinked cellulosic fibers
Tissue and towel products that include crosslinked cellulosic fibers. Methods for making tissue and towel products that include crosslinked cellulosic fibers.
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6824645 |
Oxidized cellulose-containing fibrous materials and products made therefrom
The present invention relates to a cellulose-containing fibrous material, wherein hydroxy groups were oxidized at the C(6) of glucose units of the cellulose into aldehyde and/or carboxy groups, a...
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6821383 |
Preparation of modified fluff pulp, fluff pulp products and use thereof
This invention relates to a method of producing modified fluff pulp comprising treating cellulose pulp with a nitroxide-mediated oxidation method and fluffing the treated cellulose pulp. The...
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6821388 |
Method for making tissue and towel products containing crosslinked cellulosic fibers
Tissue and towel products that include crosslinked cellulosic fibers. Methods for making tissue and towel products that include crosslinked cellulosic fibers.
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6808595 |
Soft paper products with low lint and slough
A paper product containing hardwood fibers that are treated with certain hydrolytic enzymes, such as endo-glucanases, is provided. Moreover, the paper product includes other types of fibers, such...
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6808598 |
Water-decomposable fibrous sheet containing gel compound
Herein provided is a water-decomposable fibrous sheet includes water-dispersible fibers having a fiber length of at most 20 mm, and a gel compound.
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6777103 |
Fiber cement composite material using biocide treated durable cellulose fibers
A fiber cement composite material providing improved rot resistance and durability, the composite material incorporating biocide treated fibrous pulps to resist microorganism attacks. The biocide...
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6752944 |
Method for making crosslinked fibers having high wet bulk
The present invention provides cellulosic fibers having high wet bulk and methods for their preparation. In one embodiment, the invention provides cellulosic fibers catalytically crosslinked with...
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6736933 |
Multi-ply cellulosic products using high-bulk cellulosic fibers
A multi-ply paperboard comprising at least one ply of conventional cellulose fibers and from about 0.1 to about 6 weight percent of a water-borne binding agent; and at least one ply of chemically...
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6716306 |
High bulk cellulose fibers crosslinked with tartaric acid and method of making same
A multi-ply paperboard comprising at least one ply of conventional cellulose fibers and from about 0.1 to about 6 weight percent of a water-borne binding agent; and at least one ply of chemically...
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6706876 |
Cellulosic pulp having low degree of polymerization values
The present invention is directed to a pulp useful for making lyocell fibers. The pulp has a degree of polymerization from about 300 to about 1000; an alpha cellulose content of less than about 90%...
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