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7410553 |
Building construction felt paper with biocide/anti-microbial treatment
A nonwoven web has a weight sufficient for construction industry use and comprises at least forty percent (40%) recycled waste paper. At least one surface of the web bears a biocide, e.g., has a...
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7384507 |
Watermarked paper
Watermarked paper, preferably shadow-watermarked paper is produced in conventional manner and then size-press dyed using a pigment dyestuff composition. This results in unusual and attractive...
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7378149 |
High strength material using cellulose microfibrils
The present invention relates to a high strength material and a high strength molded article including 65 to 100 wt. % of cellulose microfibrils; and products comprising these. The material, which...
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7335814 |
Transgenic cells expressing glucosyltransferase nucleic acids
The invention relates to transgenic cells which have been transformed with nucleic acids encoding glucosyltransferase polypeptides (GTases) and vectors for use in transformation of said cells.
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7306846 |
Flowable and meterable densified fiber particle
Discrete particles of cellulosic material are flowable and meterable. They are easily dispersible in an aqueous or a dry medium. The particles comprise singulated cellulose fibers that have been...
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7264689 |
Method of chemically loading fibers in a fiber suspension
A method of continuously loading fibers in a fiber suspension with calcium carbonate. The fibers include a fiber wall surrounding a lumen. A reactant solid in the form of calcium oxide and/or...
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7231714 |
Corrosion-resistant exterior alloy for composite tubes
An austenitic Ni—Cr—Fe alloy is provided as an exterior tube material for improved cracking and corrosion resistance of composite tubes used to construct the lower furnace section of kraft...
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7201825 |
Process for making a flowable and meterable densified fiber particle
Discrete particles of cellulosic material are flowable and meterable. They are easily dispersible in an aqueous or a dry medium. The particles comprise singulated cellulose fibers that have been...
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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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6984290 |
Method for applying water insoluble chemical additives with to pulp fiber
Pulp fibers can be treated with water insoluble chemical additives resulting in a minimal amount of unretained water insoluble chemical additives present after redispersing the treated pulp fibers...
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6946049 |
Tissue paper used for heat-sensitive stencil sheet, heat-sensitive stencil sheet, and method of making the same
A tissue paper used for heat sensitive stencil sheet to be used for a heat-sensitive stencil sheet comprising natural fibers, synthetic fibers, or their mixture, which being impregnated with an...
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6939438 |
Apparatus for loading fibers in a fiber suspension with calcium carbonate
An apparatus for loading fibers in a fiber suspension with calcium carbonate has a housing with an inlet and an accept outlet. A rotatable distribution member is positioned within the housing. A...
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6936136 |
Amino-functionalized pulp fibers
The disclosed invention is directed to pulp fibers suitable for forming a wet-laid paper product which include amino-functionality which is non-extractable in an aqueous phase. The pulp fibers may...
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6918992 |
Fluff pulp for absorption products
A method of making a dry defibered fluff pulp suitable for absorption products is described. In the making of fluff pulp bentonite (montmorillonite), and optionally an additional inorganic particle...
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6863774 |
Polishing pad for use in chemical-mechanical planarization of semiconductor wafers and method of making same
A polishing pad for use in chemical mechanical polishing of substrates that being made of fibrous matrix such as cellulose with a binder consisting of thermoset resin material, such as phenolic...
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6837970 |
Wood pulp fiber morphology modifications through thermal drying
A method of modifying a two-dimensional, flat fiber morphology of a never-been-dried wood pulp into a three-dimensional twisted fiber morphology without the aid of a chemical cross-linker. The...
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6833187 |
Unbleached pulp for lyocell products
In accordance with the present invention, lyocell products can be made with unbleached pulps resulting in products with high amounts of hemicellulose and high amounts of lignin as compared to...
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6814759 |
Stable zeolite/cellulose composite materials and method of preparation
Stable cellulosic fiber material for use in forming zeolite/cellulose composites is prepared by suspending loose cellulose fibers in an aqueous solution of sodium hydroxide, potassium hydroxide or...
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6802938 |
Low density paper and paperboard articles
The invention provides a low density paperboard material and associated method for use in producing an insulated container, and is especially well-suited for making cups. The paperboard material...
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6790527 |
Lyocell fiber from unbleached pulp
In accordance with the present invention, lyocell products can be made with unbleached pulps resulting in products with high amounts of hemicellulose and high amounts of lignin as compared to...
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6773793 |
Glass flake paper
An electrical insulating sheet is disclosed. The sheet includes 50-99% D glass flakes and 1-50% additives. Optional ingredients include a bonding agent, porosity control agent, and reinforcing...
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6767851 |
Chopped strand non-woven mat production
A non-woven mat useful for a wide variety of purposes, including forming reinforced resin products, is produced in a manner having different specific uses of, and advantages over, conventional...
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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...
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6599391 |
Filler for use in paper manufacture and procedure for producing a filler
The invention relates to a filler used in paper manufacture and mainly consisting of calcium carbonate, and to a procedure for producing the filler. The filler consists of porous aggregates formed...
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6599326 |
Inhibition of pulp and paper yellowing using hydroxylamines and other coadditives
Chemical pulps or papers, especially kraft pulps or papers, which may still contain traces of lignin, have enhanced resistance to yellowing when they contain an effective stabilizing amount of a...
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6592712 |
Method to manufacture paper using fiber filler complexes
A method for manufacture of loaded paper or paperboard products, comprising the steps of separating at least one process stream from the papermaking process, wherein the process stream includes...
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6589387 |
Process for improving the drainage of cellulosic pulps by adding carbon dioxide directly into the pulp
The invention relates to a process for improving the drainage or dewatering of cellulosic pulp suspensions in a paper making machine, a drying machine or the like assembly. The invention also...
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6572735 |
Wet-formed composite defining latent voids and macro-cavities
A wet-formed composite defining latent voids and macro-cavities, the wet-formed composite having a basis weight greater than about 100 grams per square meter and a density of about 0.06 grams per...
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6533898 |
Softened comminution pulp
The present invention relates to processes for softening cellulose pulp using chemical softening agents or debonders, which include compositions comprising lower alkyl acid esters or cyclic esters...
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6533895 |
Apparatus and method for chemically loading fibers in a fiber suspension
A fiber loading apparatus continuously loads fibers in a fiber suspension with a chemical compound. A pulper has an inner chamber, a shear imparting device within the inner chamber, an inlet and an...
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6503372 |
Twin wire former assembly
A non-woven web of cellulosic synthetic fibrous material is produced using a twin wire former. The former may have a closed first end and closed first and second sides, and a second end provided by...
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6497787 |
Process of manufacturing a wet-laid veil
A method of making a microsphere-filled wet-laid veil involves forming a non-woven fibrous veil, contacting the veil with an impregnation binder composition having a binder and microspheres, and...
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6458450 |
Tissue paper
A wiping implement suitable for use as a bath tissue can be formed into sheets, each sheet comprising at least one ply of a paper web having a basis weight of at least about 25 lb/3000 square feet....
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6458245 |
CTMP-process
An absorbent, chemithermomechanical pulp produced from lignocellulosic material with a wood yield above 88%, a low resin content <0.15%, a long fibre content above 70%, a short fibre content...
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6447641 |
Transfer system and process for making a stretchable fibrous web and article produced thereof
The present invention encompasses a machine direction extensible noncalendered fibrous web produced by a transfer system of at least eight percent negative draw including a matrix of fibrous web...
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6409881 |
Metal-crosslinkable oxidized cellulose-containing fibrous materials and products made therefrom
The present invention relates to crosslinked cellulose-containing fibrous material, wherein hydroxy groups are oxidized at the C(6) of glucose units of the cellulose into aldehyde and/or carboxy...
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6343240 |
Method for identifying plural relations in a sheet manufacturing process
The invention relates to method for identifying plural relations in a sheet manufacturing process. Sheet properties are deduced from a response in a pseudo-property profile to a cyclic stimulation....
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6322667 |
Paper and paperboard of improved mechanical properties
The present invention relates to an improved method of treating paper products in order to enhance various properties thereof, and more specifically, including the step of treating the paper with...
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6322665 |
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...
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6284479 |
Substitutes for modified starch and latexes in paper manufacture
The present invention provides methods of making paper, utilizing glucans, produced by the glucosyltransferase B, C or D enzyme of the species Streptococcus mutans, instead of modified starches....
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6284094 |
Method for recycling bale of recycling paper
A paper cord is formed using wet lap paper of about 8" to 11" in width which is twisted into a cord form of about 1/4" to 3/8" diameter. The cord is used to bind bales of compressed used paper...
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6264791 |
Flash curing of fibrous webs treated with polymeric reactive compounds
Methods for making high wet performance webs. A polymeric anionic reactive compound is applied to a cellulosic fibrous web followed by flash curing of the compound to crosslink the cellulose...
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6241850 |
Soft tissue product exhibiting improved lint resistance and process for making
A soft tissue product and method for making a soft tissue product which exhibits resistance to limiting while maintaining physical strength integrity. The process includes debonding and...
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6221210 |
Transfer paper for electrophotography and a method for producing thereof
The present invention relates to transfer paper in electrophotography that shrinks by no more than 0.45% in a direction crossing a flow in making paper process and which has a two sideness...
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6214163 |
Super microfibrillated cellulose, process for producing the same, and coated paper and tinted paper using the same
A super microfibrillated cellulose having an arithmetic average fiber length of 0.05 to 0.1 mm, a water retention value of at least 350%, a rate of the number of fibers not longer than 0.25 mm of...
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6162326 |
Process for draining a fibrous pulp suspension
A process for draining a fibrous pulp web is preferably carried out on drum thickeners or disk filters. A suspension to be drained rests against a perforated first face, which is a part of the...
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6159335 |
Method for treating pulp to reduce disintegration energy
A method of reducing the amount of energy required to disintegrate comminution sheets formed from cellulose fibers without adversely affecting the absorbency, strength, or fluid transport...
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6146494 |
Modified cellulosic fibers and fibrous webs containing these fibers
Disclosed are modified cellulosic fibers having a dry zero span tensile index that is substantially less than the dry zero span tensile index of the corresponding unmodified cellulosic fibers....
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6074525 |
Process for increasing bulk of foreshortened fibrous web
A process for increasing bulk of a foreshortened fibrous web comprises adding moisture to at least the web's selected portions, thereby causing the crepe in the selected portions to relax and the...
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6074524 |
Readily defibered pulp products
The invention relates to cellulose fluff pulp products that are debondable into fluff with markedly lower energy input, to a process for making the products, and to absorbent products using the...
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