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6755938 |
Fibrous sheet binders
A method and composition are disclosed for providing a two-part polymer binder additive for a fibrous sheet for improving both its strength and durability. The two-part polymer binder may be added...
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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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6746542 |
Modifying starch with cationic polymers and use of the modified starches as dry-strength agent
A process for modifying starch by heating starch in an aqueous medium to temperatures above the gelatinization temperature of said starch comprises effecting said modifying of said starch in the...
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6740201 |
Method for using water hydraulics in a paper or board machine
Water hydraulics are used in a paper or board machine, in particular in applications requiring lubrication and in the like in which an operating medium is subjected to pressure. A chemical which is...
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6723204 |
Process for increasing the dry strength of paper
Addition of a premixed aqueous mixture of anionic dry strength resin and cationic or amphoteric starch to a paper making pulp slurry yields paper with higher dry strength than paper that is 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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6716313 |
Additive for paper making
The object of the invention is an additive for paper making by means of which the dusting tendency of paper can be reduced. The agent is based on starch, the molecular size of which has been...
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6710175 |
Compositions suitable as additives in the paper industry, preparation; use; and, paper comprising such
According to the present disclosure, starch/polymer combinations are provided. The preferred starch/polymer combinations are usable as paper additives, in the wet end of a papermaking process....
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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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6623848 |
Water-absorbing polymers having interstitial compounds, a process for their production, and their use
The invention relates to absorvents for water and aqueous liquids, which are vased on water-swell-able, yet water-insoluble polymers wherein cyclodextrin or cyclodextrin derivatives and zeolites...
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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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6616807 |
Method for producing high dry-strength paper, pulpboard and cardboard
Paper, board and cardboard having high dry strength are produced by the addition of cationic, anionic and/or amphoteric starch as dry strength agents to the paper stock and drainage of the paper...
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6602389 |
Process for treating a fibrous slurry of coated broke
Disclosed is a process for preparing a paper web. The paper web is prepared from a low-grade furnish, which contains low-grade pulps, such as recycled pulp and/or groundwood pulp, and which, in one...
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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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6592718 |
Method of improving retention and drainage in a papermaking process using a diallyl-N,N-disubstituted ammonium halide-acrylamide copolymer and a structurally modified cationic polymer
A method of increasing retention and drainage in a papermaking furnish comprising adding to the furnish an effective amount of a diallyl-N,N-disubstituted ammonium halide/acrylamide copolymer and...
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6585859 |
Method for the production of sized paper or sized cardboard, and sized paper or sized cardboard
Size composition in the form of a water-based composition containing a hydrophobic, cellulose-reactive sizing agent and an anionic, cationic and/or amphoteric polymer comprising a cross-linked...
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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...
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6565710 |
Filter material with flavoring and flavor-protecting properties and a process for its production
A filter material is described that is coated with cyclodextrins charged with taste substances, whereby the filter material also has 1 to 99% uncharged cyclodextrins, as well as a process for its...
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6551457 |
Process for the production of paper
A process for the production of paper from an aqueous suspension containing cellulosic fibers, and optional fillers, which comprises draining the suspension to obtain a paper web and subjecting the...
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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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6524440 |
Starch compositions and methods for use in papermaking
Starch compositions, including cationic crosslinked starches, and methods of using those starches in papermaking are disclosed. In particular, a cationized crosslinked starch and use of the starch...
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6521088 |
Degraded hydrophobic, particulate starches and their use in paper sizing
This invention is directed to degraded, hydrated particulate starches that are hydrophobically modified and a method of providing paper with reduced porosity, resistance to liquid penetration and...
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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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6514553 |
Tubing used for encasing food products and a method for manufacturing the tubing
The invention is a method of manufacturing lightweight fibrous casings constructed of abaca paper substrates suitably wet-strengthened using viscose, or viscose and resin, and subsequently viscosed...
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6494989 |
Absorbent paper and a method for production thereof
Absorbent wetlaid paper containing at least 1% by weight, calculated on the dry weight of the paper, of an absorbent polymeric material having a thermo-reversible liquid uptake capacity, which has...
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6494991 |
Paper products comprising filler materials preflocculated using starch granules and/or polymerized mineral networks
Composite products having mineral networks polymerized about cellulosic material and a method for making such products are described. One embodiment of the composite product comprises a paper...
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6494988 |
Process for improving the surface of offset paper
Application device for a paper machine, a paper machine, a nozzle dampener, and a process for improving the surface of offset paper. The application device includes a plurality of nozzles...
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6475341 |
Process for making paper
Paper is made by mixing anionic starch, carboxyl methyl cellulose or other polymeric binder into a cellulosic thin stock together with a cationic inorganic or polymeric coagulant and then...
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6461476 |
Uncreped tissue sheets having a high wet:dry tensile strength ratio
The ratio of the wet tensile strength to the dry tensile strength of uncreped throughdried tissues and towels can be increased by treating the papermaking pulp with a debonder, a wet strength agent...
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6436238 |
Process for preparing a paper web
The present invention concerns a process for preparing a paper web. According to the process a pulp is formed from a fibrous raw material, a web is formed from the pulp and it is dried on a paper...
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6436237 |
Cationic cross-bonded starch with stable and tailor-made viscosity
A method for preparing a cationic cross-bonding reagent wherein the amount of cross-bonding impurities is determined and a certain quantity of a cross-bonding agent is added. This cationic...
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6416626 |
Polyethylene glycol-containing paper
A polyethylene glycol-containing paper is described. The paper includes polyethylene glycol (PEG) having an average molar mass in the range of from about 30,000 to about 50,000. In one embodiment,...
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6413370 |
Roll printing paper suitable for cold set printing and process for its production
A coated roll printing paper for printing with the cold-set offset-printing process is described, which gives a printing result comparable with that of low-weight coated matte grades. The paper is...
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6413372 |
Starch polymer combinations used in papermaking
Paper having improved retention properties made by the addition to the papermaking system of a combination of cationic starch and starch phosphate, the starch combination having a select net zeta...
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6407197 |
Aqueous dispersion of a polymer
Aqueous dispersion of a polymer, which polymer has been obtained by subjecting a starting polymer which contains maleic anhydride monomer units and vinyl aromatic monomer units to an imidization...
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6398911 |
Modified polysaccharides containing polysiloxane 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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6391155 |
Coated web printing paper suitable for cold-set offset printing
A lightweight, coated web printing paper is described which is suitable for use in the cold-set printing process, which has specific values for water penetration and ink absorption and has gloss...
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6387213 |
Text and cover printing paper and process for making the same
A printing paper is provided having the appearance of uncoated paper and improved printability properties approaching those of coated papers. Also provided are a surface treatment formulation...
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6383337 |
Method and device for applying a medium on a running web of material
A papermaking machine and a method for applying an application medium to a moving web of material in a papermaking machine. The papermaking machine has a wet end section, a press section, a drying...
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6375798 |
Derivatized malto-oligosaccharides, methods for trash scavenging, and process for preparing a paper web
Disclosed is a method for derivatizing a malto-oligosaccharide. The method includes the steps of providing the malto-oligosaccharide and derivatizing the malto-oligosaccharide in an aqueous medium...
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6372089 |
Method of making paper
Disclosed are stable, aqueous colloidal silicas having surface area of greater than 700 m 2 /g and S-values of from 20-50. These colloidal silicas do not require treatment with surface treatment...
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6372361 |
Coating for paper products
A paper coating comprising a hydrophobically modified starch having an amylose content of less than about 40% by weight. The coating provides the paper product with oil and grease resistant...
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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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6365002 |
Amphoteric starches used in papermaking
The use in papermaking of an amphoteric starch additive which contains a phosphate functional group and is made under anhydrous conditions while in a fluidized state, provides advantageous paper...
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6361652 |
Method of increasing drainage in papermaking using colloidal borosilicates
The invention comprises a borosilicate retention aid composition and a method for improving the production of paper by addition of the borosilicate. The borosilicate may be utilized in conjunction...
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6361651 |
Chemically modified pulp fiber
The wet strength softness absorbency, absorbency rate and other valuable properties in paper products, tissues, wipes, towels, etc. can be improved by using, in the paper forming process, a...
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6361653 |
Method of increasing retention in papermaking using colloidal borosilicates
The invention comprises a borosilicate retention aid composition and a method for improving the production of paper by addition of the borosilicate. The borosilicate may be utilized in conjunction...
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6358364 |
Method for flocculating a papermaking furnish using colloidal borosilicates
The invention comprises a borosilicate retention aid composition and a method for improving the production of paper by addition of the borosilicate. The borosilicate may be utilized in conjunction...
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6355141 |
Process for the production of paper
A process for the production of paper in which cellulosic fibers are treated with microparticles comprising shell-formed carbon allotrope particles, paper obtainable from this process, and a...
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