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7629047 |
Aramid fibrils
Aramid fibrils having in the wet phase a Canadian Standard Freeness (CSF) value less than 100 ml, after drying a specific surface area (SSA) less than 7 m 2 /g, and a weight weighted length for...
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7470639 |
Production of wetlaid-spunbond laminate membrane support
Nonwoven fabric laminates suitable for use as semipermeable membrane supports are produced by forming a spunbond nonwoven fabric first layer of continuous thermoplastic polymer filaments; forming a...
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7354502 |
Method for making a fibrous structure comprising cellulosic and synthetic fibers
A method for making a fibrous structure, the method comprising the steps of: providing a mixture of synthetic fibers and short cellulosic fibers onto a forming member so as to form one or more...
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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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7272915 |
Shingle and mat tensile strength with urea formaldehyde resin modifier
A composite sheet, and a process of making the same, including cured modified urea formaldehyde reinforced by glass fibers. The modifier is an acrylonitrile-butadiene-styrene copolymer. A roofing...
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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...
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7156953 |
Process for producing a paper wiping product
A process for producing wiping products and wiping products made by the process are disclosed. According to the present invention, a paper web is treated on both sides with a bonding material....
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7144476 |
Carbon fiber electrode substrate for electrochemical cells
This invention relates to electrode substrates for electrochemical cells, particularly low-temperature fuel cells, and processes for their production. Low-cost carbon fiber paper structures are...
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7108765 |
Method for making an insulating paperboard
An insulating paperboard contains at least one layer of cellulose fibers. The one layer is at least partially composed of bulky fibers. The paperboard is sufficiently insulated to provide a hot...
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7063771 |
Embossed insulating paperboard
An insulating paperboard contains at least one layer of cellulose fibers. The one layer is at least partially composed of bulky fibers. The paperboard is sufficiently insulated to provide a hot...
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7060159 |
Insulating paperboard
An insulating paperboard contains at least one layer of cellulose fibers. The one layer is at least partially composed of bulky fibers. The paperboard is sufficiently insulated to provide a hot...
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7056563 |
Hot cup made from an insulating paperboard
An insulating paperboard contains at least one layer of cellulose fibers. The one layer is at least partially composed of bulky fibers. The paperboard is sufficiently insulated to provide a hot...
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7051883 |
Wetlaid-spunbond laminate membrane support
Nonwoven fabric laminates suitable for use as semipermeable membrane supports are provided. The fabric laminates generally include at least two layers: a spunbond layer of continuous filament...
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6887347 |
Cellulose fibers comprising radiation activatable resin formalities
The present invention relates to cellulosic fibrous material comprising a radiation activatable resin, structures comprising such fibrous material, and absorbent articles especially disposable...
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6838401 |
Heat-resistant fibrous paper
A heat-resistant fiber paper sheet which is formed from staple fibers made from a heat-resistant organic polymer, undrawn or low ratio drawn para-aromatic polyamide staple fibers, and an organic...
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6830656 |
Non-woven fiber webs with nylon binder
The present invention relates to a nonwoven web comprised of metal or refractory fibers with nylon as a binder. The nonwoven web is prepared by forming a foam furnish by agitating the fibers in a...
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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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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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6761800 |
Process for applying a liquid additive to both sides of a tissue web
A method is disclosed for topical application of compositions containing a chemical additive onto a paper web. The present invention is also directed to paper products formed from the method. In...
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6746571 |
Highly-oriented fibrous mats
A mat containing highly machine direction oriented (90% or greater), discontinuous reinforcement fibers, is produced on inclined wire or rotary paper making machinery. Fibers are first uniformly...
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6737369 |
Cured non-woven mat of a mixture of fibers
A coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating is provided. The coated mat is a cured, non-woven mat including a mixture of fibers having...
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6716309 |
Method for the application of viscous compositions to the surface of a paper web and products made therefrom
A method is disclosed for topical application of compositions containing a chemical additive onto a paper web. The present invention is also directed to paper products formed from the method. In...
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6706147 |
Process for making fiber mats for materials of construction having improved tear strength
The invention relates to a coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating which comprises a cured, non-woven, fiber glass mat containing a...
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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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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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6620295 |
Modified polysaccharides containing amphiphilic 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...
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6616802 |
Process and apparatus for making a sheet of refractory fibers using a foamed medium
The present invention relates to a method for forming a non-woven fibrous web comprised of refractory fibers which comprises forming a foam furnish by agitating the fibers in a foamed medium, and...
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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...
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6540875 |
Uniform metal fiber sheet
Provided by the present invention is a process for making wet-layed metal fiber nonwoven sheet. The process comprises dispersing a mixture of metal fibers, wood pulp and a fibrillated material into...
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6524438 |
Method for making preforms
A method for manufacturing a preform having a desirably uniform distribution of structural forms (for example and without limitation, particles, flakes, and fibers) therethrough. The method...
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6517675 |
Process for making metal fiber/metal powder sheet
Provided by the present invention is a wet-layed, nonwoven sheet which is comprised of metal fiber and metal powder. Generally, the amount of metal fiber comprises from 20 to 95% by weight and the...
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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...
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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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6491789 |
Fibril composite electrode for electrochemical capacitors
Composite electrodes including carbon nanofibers (fibrils) and an electrochemically active material are provided for use in electrochemical capacitors. The fibril composite electrodes exhibit high...
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6475340 |
Solid phase extraction membrane
A wet-laid, porous solid phase extraction sheet material that contains both active particles and binder and that possesses excellent wet strength is described. The binder is present in a relatively...
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6451167 |
Wetlay process for manufacture of highly-oriented fibrous mats
A mat containing highly machine direction oriented (90% or greater), discontinuous reinforcement fibers, is produced on inclined wire or rotary paper making machinery. Fibers are first uniformly...
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6368456 |
Method of making paper from aldehyde modified cellulose pulp with selected additives
This invention relates to paper comprising aldehyde modified cellulose pulp prepared using nitroxyl radical mediated oxidation and further containing selected additives comprising aldehyde...
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6328850 |
Layered tissue having improved functional properties
A multi-layered paper product. The paper product has individual layers for providing a soft tactile sensation to the user, for providing strength, and for providing bulk. Suitable fibers for...
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6309509 |
Composition and paper comprising cellulose ester, alkylpolyglycosides, and cellulose
This invention relates to compositions, paper, thermoplastic sheets, and medical paper containing cellulose ester, alkylpolyglycoside (APG) or a mixture of APG and polyether glycol, and,...
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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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6261414 |
Laminate base material, method of preparing the same, prepreg and laminate
The present invention relates to a method of producing a laminate base material useful for preparing a prepreg or a laminate for electronic equipment such as printed board. The method comprises the...
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6228895 |
Method for plasticizing a composition comprised of cellulose fiber and a cellulose ester
This invention relates to compositions, paper, thermoplastic sheets, and medical paper containing cellulose ester alkylpolyglycoside (APG) or a mixture of APG and polyether glycol, and, optionally,...
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6193841 |
Shaped, plastic articles comprising a cellulose fiber, a cellulose ester, and a non-ionic surfactant
This invention relates to compositions, paper, thermoplastic sheets, and medical paper containing cellulose ester, alkylpolyglycoside (APG) or a mixture of APG and polyether glycol, and,...
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6120643 |
Aramid and glass fiber absorbent papers
The present invention relates to highly absorbent paper made using a combination of aramid fibers and glass fibers with fibrids or resin as a binder material.
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6090905 |
Compositions and methods for controlling stickies
Mannich-derivatized polyphenolic compositions prepared by the reaction of a phenolic compound having at least two phenol rings with an aldehyde and an amphoteric compound having both a basic moiety...
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5989390 |
Friction paper containing activated carbon
A fibrous friction material in a sheet form having a top surface and a bottom surface with at least one surface containing a mixture of from about 10 to 65% cellulose fibers, about 5 to 50% carbon...
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5972100 |
Pretreatment of filler with cationic ketene dimer
A filler of inorganic particles, cellulose reactive size and cationic dispersing agent is provided, the use of which results in the capability to obtain the desired sizing level practically...
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5972166 |
Non-woven fiber mat and method for forming same
The present invention is a non-woven fiber mat suitable for reinforcing resilient sheet floor coverings, such as vinyl floor coverings. The non-woven fiber mat is in the form of a sheet of...
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5972691 |
Dehalogenation of polyamine, neutral curing wet strength resins
Process for making polyamine-epihalohydrin resin products having very low levels of epihalohydrin or epihalohydrin hydrolyzates, particularly useful in papermaking, which includes, amongst other...
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5906712 |
Production of fiber reinforced composite
The present invention provides a process for producing a fiber reinforced composite which contains the reinforcing fibers uniformly dispersed therein and therefore has uniformity of strength. The...
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