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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...
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...
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...
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...
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...
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...
7195810 Air-laid absorbent sheet with sinuate emboss  
An absorbent sheet made from an air-laid fiber web includes a functional emboss pattern of a continuous (wave-like) shape extending in the machine direction of the sheet. The emboss pattern defines...
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...
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...
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...
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...
7045026 Process for making a fibrous structure comprising cellulosic and synthetic fibers  
A fibrous structure and method for making the fibrous structure, wherein the method includes the steps of: providing a plurality of synthetic fibers onto a forming member having a pattern of...
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...
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...
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.
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...
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...
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...
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...
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...
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.
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...
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.
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...
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.
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...
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...
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...
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...
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...
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%...
6695950 Aldehyde modified cellulose pulp for the preparation of high strength paper products  
Paper comprising aldehyde modified cellulose pulp having selected aldehyde content. Another embodiment involves a method of preparing celullose aldehydes using selective oxidation with a limited...
6677427 Enzyme-catalyzed polyamides and compositions and processes of preparing and using the same  
A polyamide, the enzymatic reaction product of at least one polyamine and diester, and processes for preparing and using the same. In addition, processes for preparing and using the enzymatic...
6667384 Methyl acrylate-diamine based polyamide resins and processes for producing the same  
The present invention contemplates poly(aminoamide) pre-polymers, polyamide polymers, a multi-step process for the synthesis of these pre-polymers and polymers using acrylates and at least one...
6635754 Cellulose particles, method for producing them and their use  
Cellulose particles are described that have cationic groups in their interior. In one aspect, at least 10%, and preferably 50% or more, of the cationic groups are present within the particle...
6620865 Polycarboxylic acid crosslinked cellulosic fibers  
Cellulosic fibers intrafiber crosslinked with a polymeric polycarboxylic acid crosslinking agent are disclosed. In one embodiment, the polymeric polycarboxylic acid is polyacrylic acid and, in...
6620293 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 carboxylic...
6610174 Patterned application of polymeric reactive compounds to fibrous webs  
Methods for making high wet performance webs. A polymeric anionic reactive compound is applied heterogenously to a cellulosic fibrous web followed by curing of the compound to crosslink the...
6602386 Fibrillated rayon-containing, water-decomposable fibrous sheet  
Conventional water-decomposable fibrous sheets for cleaning sheets capable of being disposed of in toilets and others do not have well-balanced decomposability in water and strength. The...
6596126 Modified polysaccharides containing aliphatic hydrocarbon moieties  
Modified polysaccharides (such as starches, gums, chitosans, celluloses, alginates, sugars, etc.), which are commonly used in the paper industry as strengthening agents, surface sizes, coating...
6592717 Carboxylated cellulosic fibrous web and method of making the same  
Carboxylated cellulosic fibers are disclosed. The fibers include a polycarboxylic acid covalently coupled to the fibers. Methods for producing the fibers and for producing fibrous products that...
6582557 Fibrous composition including carboxylated cellulosic fibers  
Carboxylated cellulosic fibers are disclosed. The fibers include a polycarboxylic acid covalently coupled to the fibers. Methods for producing the fibers and for producing fibrous products that...
6582553 High bulk cellulosic fibers crosslinked with malic acid and process for making the 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...
6579415 Method of increasing the wet strength of a fibrous sheet  
Carboxylated cellulosic fibers are disclosed. The fibers include a polycarboxylic acid covalently coupled to the fibers. Methods for producing the fibers and for producing fibrous products that...
6579414 Method for enhancing the softness of a fibrous web  
Carboxylated cellulosic fibers are disclosed. The fibers include a polycarboxylic acid covalently coupled to the fibers. Methods for producing the fibers and for producing fibrous products that...
6562195 Paper prepared from aldehyde modified cellulose pulp  
Paper comprising aldehyde modified cellulose pulp having selected aldehyde content. Another embodiment involves a method of preparing celullose aldehydes using selective oxidation with a limited...
6544912 Water-decomposable fibrous sheet containing fibrillated rayon of different fiber length profiles  
Provided is a water-decomposable fibrous sheet includes fibers containing fibrillated rayon. The fibrillated rayon has primary fibers of a predetermined fiber length and microfibers extending from...
6517678 Modified polysaccharides containing amphiphillic hydrocarbon moieties  
Modified polysaccharides (such as starches, gums, chitosans, celluloses, alginates, sugars, etc.), which are commonly used in the paper industry as strengthening agents, surface sizes, coating...
6503371 Manufacture of cellulosic particles  
Cellulosic fibrids can be made by mixing together under turbulent conditions viscose and a coagulating and regenerating liquor so as to form a suspension of soft macroscopic cellulosic particles in...
6488809 Resin-treated mercerized fibers and products thereof  
This invention relates to the process of manufacture of resin treated mercerized cellulose fibers and fibrous products prepared therefrom and is directed particularly to a method of improving...
Matches 1 - 50 out of 246 1 2 3 4 5 >