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7361253 |
Multi-ply wiping products made according to a low temperature delamination process
The present invention is generally directed to paper products having great softness and strength. The paper products are formed from one or more paper webs that can be made according to various...
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7335279 |
Low density 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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7318881 |
Process for sizing paper
A process for sizing paper comprising adding to an aqueous suspension containing cellulosic fibers, and optional fillers, a sizing dispersion comprising a polymer having an aromatic group, and a...
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7306701 |
Production of paper, board and cardboard
Paper, board and cardboard are produced by shearing the paper stock, adding a microparticle system comprising a cationic polymer and a finely divided inorganic component to the paper stock after...
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7303650 |
Splittable cloth like tissue webs
The present invention is generally directed to paper products having great softness and strength. The paper products are formed from one or more paper webs that can be made according to various...
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7297231 |
Binders curable at room temperature with low blocking
Topically-applied binder materials for imparting wet strength to soft, absorbent paper sheets, such as are useful as household paper towels and the like, include an azetidinium-reactive polymer,...
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7297229 |
Paper bulking promoter
This invention is to provide a paper bulking promoter with which a highly bulky sheet can be obtained without impairing paper strength. Namely, this invention provides a process for producing a...
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7297228 |
Process for manufacturing a cellulosic paper product exhibiting reduced malodor
A process for manufacturing a cellulosic paper product (e.g., paper hand towels) exhibiting reduced malodor upon wetting. The process comprises forming an aqueous suspension of papermaking fibers,...
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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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7285182 |
Composition for surface treatment of paper
A composition for surface treatment of paper which includes a nanoparticle fraction, and a carrier fraction for detaining the nanoparticles in the surface layer. The carrier fraction includes...
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7279071 |
Paper articles exhibiting water resistance and method for making same
This invention relates to a process for preparing sized paper and paperboard which incorporates in the paper and paperboard at the size press size a composition comprising one or more...
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7258815 |
Use of brighteners for the preparation of coating slips
The use of optical brighteners of the formula (II):
in which
Y denotes a radical of the formula
and the other substituents have the meaning stated in the description, for brightening...
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7258763 |
Temporary wet strength additives
Temporary wet strength additives, more particularly, temporary wet strength additives comprising a polymer backbone, wherein the polymer backbone comprises a co-crosslinking monomeric unit,...
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7244339 |
Retention and drainage system for the manufacturing of paper
A process for manufacturing a paper stock for use in making paper, paperboard and similar cellulosic products, by adding, at one or more different points of the wet end of the paper-making machine,...
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7217339 |
Fibrous structures exhibiting improved wet strength properties
Fibrous structures and/or sanitary tissue products comprising such fibrous structures, more particularly to fibrous structures and/or sanitary tissue products that exhibit improved wet strength...
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7147751 |
Wiping products having a low coefficient of friction in the wet state and process for producing same
Base sheets are disclosed having a reduced coefficient of friction in the wet state. In accordance with the present invention, the base sheets can be treated with a high molecular weight...
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7144474 |
Method of binding particles to binder treated fibers
Fiber treated with an organic nonpolymeric binder is combined with superabsorbent particles in order to bind the particles to the fiber. The nonpolymeric organic binder comprises binder molecules...
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7125469 |
Temporary wet strength resins
Temporary wet strength resins, more particularly, temporary wet strength resins comprising a polymer backbone, wherein the polymer backbone comprises a co-crosslinking monomeric unit, preferably a...
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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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7090745 |
Method for increasing the strength of a cellulosic product
A composition includes at least one hydrophilic polymer containing primary (—NH 2 ) and/or secondary (—NHR) amine groups and at least one saccharide containing a reducible function. A method of...
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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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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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6994770 |
Strength additives for tissue products
A paper product having improved strength properties as disclosed. In accordance with the present invention, the paper product is treated with a strength agent comprising a derivatized polyethylene...
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6951892 |
Means for and methods of using a selected energy factor to apply a paper coating
A continuous output system makes paper coating by combining an emulsifier with ASA particles having a mean average size in the low to sub-micron region. A turbine, pump, blender or other device...
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6939441 |
Stock size for paper or board manufacture, method for preparation of size, use of size
A stock size intended to be added as a solution to the pulp stock in connection with the manufacture of paper or board in order to improve the characteristics of the paper or board, e.g.), to...
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6893537 |
Tissue products containing a flexible binder
A tissue product that has a relatively low level of lint and slough is provided. For example, the tissue product contains a flexible binder copolymer that is at least formed from an ethylenically...
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6890454 |
Optical brighteners compositions their production and their use
The invention relates to an optical brightener mixture (W) comprising optical brighteners (A) of formula (Ia), and (B) of formula (Ib) and optionally (C) of formula (Ic) as defined herein, their...
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6887350 |
Tissue products having enhanced strength
A tissue product containing a multi-layered paper web that has at least one outer layer formed from a blend of pulp fibers and synthetic fibers is provided. A polymer latex is also applied to the...
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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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6884321 |
Fireblocking/insulating paper
A flame and heat resistant paper is disclosed having high burnthrough prevention capability, as required in aircraft applications. The paper is prepared from modified aluminum oxide silica fibers,...
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6881300 |
Sizing agent and recording paper comprising sizing agent
A recording paper coated or impregnated with a sizing agent containing a water-soluble soybean polysaccharide as an indispensable component, and optionally a cationic polymer and a surfactant,...
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6855229 |
Low viscosity bilayer disrupted softening composition for tissue paper
Disclosed is a composition for softening a wet laid cellulosic structure. A particularly preferred structure is an absorbent tissue. Further disclosed are tissue structures softened using the...
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6846383 |
Wiping products made according to a low temperature delamination process
The present invention is generally directed to paper products having great softness and strength. The paper products are formed from a paper web that can be made according to various methods. In...
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6843887 |
Low hygroscopic paper and method of producing the same
Provided is low hygroscopic paper obtainable by heat-pressing composite paper comprising a pulp component and/or fiber component and, a liquid crystal polymer filler component made of a liquid...
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6770170 |
Papermaking pulp including retention system
Methods of making paper or paperboard are described. According to one method, fibrous cationic colloidal alumina microparticles and a polymer are introduced to a papermaking pulp to form a treated...
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6770169 |
Cured urea formaldehyde resin-bound glass fiber mats
A method for improving the balance of tensile strength and tear strength of cured urea formaldehyde (UF) resin-bound glass fiber nonwoven mats; the glass fiber nonwoven mats produced by the method,...
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6749721 |
Process for incorporating poorly substantive paper modifying agents into a paper sheet via wet end addition
Synthetic co-polymers having moieties capable of forming hydrogen bonds, ionic bonds, or covalent bonds with cellulose fibers and paper modifying moieties capable of modifying a paper sheet are...
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6749720 |
Wet-formed mat applications for cement backerboards
A wet-formed permeable mat composed of wet use chopped strands (WUCS), chopped roving, and potentially unidirectional roving coupled with an alkaline resistant binder are combined to create an...
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6719881 |
Acid colloid in a microparticle system used in papermaking
A microparticle system for use as a retention and drainage aid in the production of alkaline and acid paper products comprises a HMW flocculent polymer ( 6 ), an acid colloid ( 7 ), and a coagulant...
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6716314 |
Method for making improved abrasion resistant overlays
A method for forming an abrasion resistant sheet which comprises forming a web of cellulosic fibers on a papermaking machine and applying a slurry including an encapsulated abrasion-resistant grit...
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6709551 |
High molecular weight cationic and anionic polymers comprising zwitterionic monomers
This invention is directed to high molecular weight water-soluble polymers comprised of zwitterionic, nonionic and cationic or anionic monomer units, and to the use of these polymers in papermaking...
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6706146 |
Method for making performs
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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6676806 |
Process for increasing the wet strength of porous plug wraps for use in smoking articles
A process for increasing the wet tensile strength properties of a porous plug wrap paper for use in smoking articles is disclosed. The wet strength properties of the paper are increased by...
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6673207 |
Laminated photocatalytic pulp paper and process for making thereof
An object of the present invention is to provide a laminated photocatalytic pulp paper having a variety of uses such as a filter material, a packaging material, a construction material and the...
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6669815 |
Sheet surface treating agent and ink-jet printing paper
There is provided a treating agent for a sheet surface comprising a graft copolymer composed of a back bone polymer and branch polymer, either of which is a polymer having vinyl alcohol units, and...
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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...
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6616806 |
Manufacture of paper and paperboard
A process for making paper comprising forming a cellulosic suspension, flocculating the suspension, draining the suspension on a screen to form a sheet and then drying the sheet, wherein the...
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6616805 |
Offset printing paper
A surface-treating agent mainly includes three constituents: a water-soluble polymer; a surface sizing agent which is a copolymer of a styrene type monomer and an anionic monomer and which mainly...
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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...
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6579417 |
Flocculation method for making a paper sheet
According to the present invention, a cross-linked polymer or copolymer formed by reverse phase emulsion polymerization from suitable water-soluble monomers or from mixtures of such monomers is...
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