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7628886 |
Process for producing cast coated paper for ink jet recording
A method of manufacturing an inkjet recording cast-coated paper wherein a coating solution containing a pigment and a binder resin is supplied to a base paper, a treatment solution having the...
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7582188 |
Composition and ink receiving system incorporating the composition
A composition includes an alkenyl succinic anhydride sizing agent or an alkyl ketene dimer sizing agent. The alkenyl succinic anhydride sizing agent is present in an amount ranging from about 1.0...
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7553395 |
Print media and methods of making print media
Print media and methods of making print media are disclosed. One exemplary print medium, among others, includes a substrate having a fibrous component. In addition, a cationic guanidine polymer...
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7510628 |
Fire retardant paper
A method of treatment of resin impregnated manufactured paper to render the paper fire retardant, said method comprising the addition of a fire retardant compound containing borax and diammonium...
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7504000 |
Method for producing a sheet of paper comprising calcite
The invention relates to a method for producing a sheet of paper ( 6 ) comprising paper fibres and calcium carbonate mainly in the form of calcite crystals linked directly to the paper fibres. The...
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7501041 |
Bleached, mechanical paper pulp and the production method therefor
This invention relates to bleached mechanical paper pulps, based on fibrillated fibres of cellulose, hemicelluloses and lignin, containing calcium carbonate, in which calcium carbonate is...
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7476272 |
Aluminum trihydrate containing slurries
The present invention relates to Aluminum trihydrate slurries comprising aluminum trihydrate particles, an acrylic dispersant, citric acid, synthetic hectorite clay, optionally a compound to adjust...
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7468101 |
UV varnish gloss performance using novel pigment and process for making same
A high solids precipitated calcium carbonate (PCC) suspension and method for producing the suspension are provided, with the PCC having a PCC particle size distribution d 90 value of about 0.7...
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7462260 |
Process for manufacturing a cellulosic paper product exhibiting reduced malodor
A process for manufacturing a cellulosic paper product is provided. The process comprises forming an aqueous suspension of papermaking fibers; introducing sodium bicarbonate into the aqueous...
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7377997 |
Fibrous structure comprising a fiber flexibilizing agent system
Fibrous structures comprising a fiber flexibilizing agent system, methods for making such fibrous structures and sanitary tissue products comprising such fibrous structures are provided.
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7364641 |
Manufacture of paper and paper board
Process for making paper or paper board comprising, forming an aqueous cellulosic suspension, adding a retention system to the cellulosic suspension, draining the suspension on a screen to form a...
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7311801 |
Newsprint papers
The object of the present invention provides a newsprint paper having a friction coefficient in an appropriate range, a sufficient sizing quality, a low “neppari” strength and excellent...
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7300546 |
Cellulose fiber having improved biostability and the resulting products
A cellulose fiber having extended biostability and the method of its manufacture are described. While prior treatments of cellulose with biotoxic metal compounds have given improved resistance to...
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7297230 |
Method for producing cellulose fiber having improved biostability and the resulting products
A cellulose fiber having extended biostability and the method of its manufacture are described. While prior treatments of cellulose with biotoxic metal compounds have given improved resistance to...
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7294227 |
Method and system for the treatment of pulp prior to ozone bleaching
A system for treating pulp comprises a dewatering device ( 2 ) for dewatering the pulp to a fiber concentration of at least 20%, a closed pulp-shredding vessel ( 16 ) for shredding the dewatered...
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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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7169258 |
Process and a fluffer device for treatment of a fiber stock suspension
A device treats a fiber stock suspension with at least one additive, the fiber stock suspension being used for production of at least one of paper and cardboard. The fiber stock suspension includes...
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7153390 |
Process for manufacturing a cellulosic paper product exhibiting reduced malodor
A process for manufacturing a cellulosic paper product is provided. The process comprises forming an aqueous suspension of papermaking fibers; introducing sodium bicarbonate into the aqueous...
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7083703 |
Filler and a process for the production thereof
A filler comprising cellulose or lignocellulose fibrils on which light-scattering material particles have been deposited, and a process for the manufacture thereof. In the filler according to the...
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7060127 |
Silica-calcium carbonate composite particles
Silica-calcium carbonate composition particles having the characteristics of both synthetic silica and calcium carbonate are described along with paper having the particles internally filled...
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7056419 |
Methods for modifying electrical properties of papermaking compositions using carbon dioxide
Carbon dioxide may be used to adjust the electrical properties of papermaking compositions. Such papermaking compositions may contain a colloid phase, an aqueous phase, and optionally, pulp fibers....
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7052581 |
Process of producing magnesium ammonium phosphate in monohydrate form (dittmarite)
A process for converting the more easily synthesized and stored AMP hexahydrate into monohydrate of high purity. The resultant monohydrate (dittmarite) can then be either dried to stabilize it, or...
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7033428 |
Acid stabilized calcium carbonate an method of making it
The present invention relates to an acid-stabilized calcium carbonate slurry having a pH of less than 7, preferably between about 6 and about 7, containing water, calcium carbonate, preferably...
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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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6998015 |
Method for reducing alkaline darkening of mechanical pulp containing a calcium carbonate filler
A method is disclosed for reducing or inhibiting alkaline darkening of mechanical pulp caused by the presence of calcium carbonate filler during production; the method comprises adding a sulfite,...
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6991677 |
Titanium dioxide-calcium carbonate composite particles
Titanium dioxide-calcium carbonate composite particles capable of realizing characteristic properties inherent in titanium dioxide such as a high opacity, a process for producing the same, and a...
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6966972 |
Coating composition, paper product having flexible coating and method for manufacturing a paper product
A paper product is described that includes a paper substrate having a first surface and a second surface; a coating layer provided on the first surface of the paper substrate, the coating layer...
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6939609 |
Filler and pigment
The present invention relates to the use of calcium oxalate as a filler or pigment. In particular described herein is a method of reducing the combustion residue of coated paper or cardboard...
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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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6893536 |
Process and coating composition for coating a paper web
The invention relates to a process for producing a coated paper web, According to the process, a paper web is formed from a fibrous raw material in a paper machine, the paper web is coated with a...
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6887351 |
Process for regulating the porosity and printing properties of paper by use of colloidal precipitated calcium carbonate, and paper containing such colloidal precipitated calcium carbonate
The invention relates to a process for regulating the porosity and printing properties of paper, in particular uncoated wood-containing paper such as SC-paper, wherein a sufficient quantity of...
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6881298 |
Process for loading fibers with calcium carbonate in a plurality of reactors
For a process and an apparatus for loading fibers contained in a pulp suspension with calcium carbonate, a calcium oxide and/or a medium containing calcium hydroxide is fed to the pulp suspension,...
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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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6818101 |
Tissue web product having both fugitive wet strength and a fiber flexibilizing compound
A tissue product comprising cellulosic fibers and having at least 10% of fugitive wet strength and at least about 3% of a fiber-flexibilizing composition. The fugitive wet strength can be generated...
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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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6755939 |
Soft tissue paper having a softening composition containing bilayer disrupter deposited thereon
Disclosed is a soft tissue paper product, said soft tissue product comprising one or more plies of a tissue paper; and a chemical softening composition deposited on at least one outer surface of a...
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6755941 |
Apparatus for loading fibers with calcium carbonate
For a process and an apparatus for loading fibers contained in a pulp suspension with calcium carbonate, a calcium oxide and/or a medium containing calcium hydroxide is fed to the pulp suspension,...
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6749722 |
Method of making sized paper, a sized paper grade, and a paper size
The present invention relates to a method of manufacturing a paper of multi-color ink-jet printable grade. A proper hydrophicity for the paper is secured by using an 2-oxetanone size in the...
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6719862 |
Compressible wood pulp product
A highly densifiable wood pulp product is disclosed. In one embodiment, the densifiable product includes fibers having low coarseness, preferably having a fiber coarseness less than about 22 mg/100...
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6716310 |
Process for manufacturing a cellulosic paper product exhibiting reduced malodor
A process for manufacturing a cellulosic paper product is provided. The process comprises forming an aqueous suspension of papermaking fibers; introducing a borate compound, preferably boric acid,...
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6706148 |
Method for fixing a mineral filler on cellulosic fibers and method for making a sheet of paper
The invention relates to a method for affixing a mineral filler onto an aqueous cellulose-fiber suspension. In this invention, the method uses as its reaction medium an aqueous cellulose-fiber...
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6702922 |
Papers for use in decorative laminates and methods of making the same
A process for forming an abrasion resistant, decorative sheet which comprises forming a web of cellulosic fibers on a papermaking machine and applying a coating suspension including an...
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6699363 |
Modified starch and process therefor
A process that can be used for producing a starch product is provided. The process comprises heating a composition, which comprises or consists essentially of a starch, a polyacrylamide, and a...
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6673208 |
Polysilicate microgels and silica-based materials
The present invention relates to polysilicate microgels, their preparation and use in paper making and water purification, the polysilicate microgels being obtainable by a process which comprises...
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6666953 |
Treated filler or pigment containing natural carbonate
The invention concerns a pigment, filler or mineral containing a natural calcium carbonate, treated with one of more providers of H 3 O + ions and gaseous CO 2 , allowing a reduction in the weight...
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6623599 |
Process for producing a paper web having calcium carbonate filler by introducing carbon dioxide to the pulp
A papermaking process wherein calcium carbonate is included in a pulp suspension. The dissolution of the calcium carbonate in the papermaking system is substantially retarded by the introduction of...
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6616808 |
Inkjet printing paper
An inkjet printing paper of noncoated type, in which the feathering is prevented and the conveyability is improved. This inkjet printing paper comprises calcium carbonate as its filler wherein the...
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6602385 |
Method of improving the brightness of calcium carbonate filled paper
A method of improving the brightness of calcium carbonate filled paper. The filled paper is dried and then bleached with an aqueous solution of a bleaching agent. The process may be used on all...
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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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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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