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7344621 |
Paper additive composition and method for producing paper using the same
A paper additive composition comprising an amide compound (a) obtained by reacting a polyamine and a carboxylic acid or a salt of the amide compound (a) is provided. The polyamine is shown by...
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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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7303653 |
Sizing agent and recording sheet having the same
A sizing agent includes a vinyl copolymer having a repeating unit (i) having a quaternary amino group and a repeating unit (ii) derived from acrylic monomers having a hydrophilic polyoxyethylene,...
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7303652 |
Reduced byproduct high solids polyamine-epihalohydrin compositions
A process for rendering a polyamine-epihalohydrin resin storage stable, is described. The process entails treating a polyamine-epihalohydrin resin composition, where the resin is formed in a...
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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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7300545 |
Water-soluble polymer dispersion, process for producing the same and method of use therefor
A water-soluble polymer dispersion, process for producing the same and a method of use therefor. In particular, the water-soluble polymer dispersion is one comprising water-soluble polymer fine...
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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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7291695 |
Stable wet strength resin
A method of stabilizing an aqueous solution of polyaminoamide-epichlorohydrin resin comprising adjusting the pH of the solution to less than about 3 with strong acid and then adding to the solution...
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7282117 |
Cellulosic fiber composites using protein hydrolysates and methods of making same
Cellulosic fiber composites and finished cellulosic fiber composite articles are provided. The cellulosic fiber composites comprise cellulosic material and a resin binder. The resin binder...
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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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7270727 |
Paper sized with a sizing agent and a selected sizing promoter
Sized paper containing an amphoteric promoter resin that is a polymerization reaction product of a quaternary diallylammonium monomer, optionally a diallylammonium monomer, and an unsaturated...
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7258764 |
Soft and strong webs from highly refined cellulosic fibres
Soft and strong cellulose-based fibrous web, comprises
a) cellulosic fibres having a freeness value of more than 26° SR measured according to DIN-ISO 5267/1 (March 1999), b) a water-soluble...
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7244338 |
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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7216652 |
Smoking article wrapper with improved filler
The invention relates to a tobacco smoking article wrapper which selectively reduces the content of gaseous components in the smoke delivered during the use of the smoking article. The gaseous...
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7179348 |
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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7175740 |
Reduced by product polyamine-epihalohydrin resins
Processes for rendering a polyamine-epihalohydrin resin storage stable, including processes that prepare a storage stable resin and/or processes that treat resins. A composition containing a...
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7147752 |
Hydrophilic fibers containing substantive polysiloxanes and tissue products made therefrom
The present invention is polysiloxane pretreated pulp fibers comprising pulp fibers, and a polysiloxane. The polysiloxane pretreated pulp fibers have a polysiloxane content of about 0.4 percent or...
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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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7144475 |
Method of making a coated paper
The present invention discloses a paper coated with a new coating formulation. The coating formulation comprises a stable pigment slurry prepared without an acid-based dispersant. The coating...
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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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7060201 |
Optical brighteners their composition their production and their use
Optical brighteners (P AB ) of formula
wherein
each n independently signifies 1 or 2, the group SO 3 M shown with the floating bond is linked to the position 4 or 5, each M independently...
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7008508 |
Composition for increasing wet strength of paper including water-soluble blocked urethane prepolymers
For use as a wet strength agent, a water-soluble blocked urethane prepolymer having a hydrophilic group and a blocked isocyanate group is combined with a cationic charge-adjusting agent. The...
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6998016 |
Method of making a non compacted paper web containing refined long fiber using a charge controlled headbox and a single ply towel made by the process
The present invention is a through-air-drying process for producing a fibrous web that possesses not only softness and absorbency but also strength. The method of the present invention monitors and...
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6991707 |
Polymeric creping adhesives and creping methods using same
A method for manufacturing a creped fiber web is provided and includes providing a rotating cylindrical dryer surface, applying an ionene adhesive to the rotating cylindrical dryer surface to form...
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6969445 |
Ink jet recording paper
The object of the present invention is to provide an ink jet recording paper of so-called plain paper type having no coating of pigment on the recording surface which is excellent in image density...
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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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6939443 |
Anionic functional promoter and charge control agent
The invention relates to a functional promoter comprising a water-soluble anionic polymer having a molecular weight of at least about 50,000 daltons and a molecular weight charge index value of at...
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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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6911116 |
Cationically modified white pigments, their production and use
Cationically modified white pigments (W) in particulate form, essentially consisting of a particulate inorganic white pigment (M) of a particle size in the range of 0,1 to 40 μm and an applied...
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6911114 |
Tissue with semi-synthetic cationic polymer
The present invention is a tissue web comprising cellulosic fibers and a semi-synthetic cationic polymer having a molecular weight less than about 5 million. The semi-synthetic cationic polymer can...
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6896769 |
Modified condensation polymers containing azetidinium groups in conjunction with amphiphilic hydrocarbon moieties
Modified condensation polymers containing azetidinium groups, such as polyamide epichlorohydrin (PAE) resins, can be combined with amphiphilic hydrocarbons containing polyethers into a single...
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6896768 |
Soft bulky multi-ply product and method of making the same
An ultra soft, bulky, multi-ply tissue having low overall sidedness and a geometric mean tensile strength of less than about 800 g/3″ wherein an embossed ply has a TMI sidedness of at least about...
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6896725 |
Aldehyde-containing polymers as wet strength additives
The invention concerns the use of a water-soluble or water-dispersible polymer having a molecular weight of at least 800, containing at least 5 aldehyde groups per molecule and at least 1 carboxyl...
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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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6855404 |
Inorganic sheet laminate
A laminate of inorganic sheet and polyester resin having an overall thickness of 5 to 25 mils and having an elongation at break in both the cross direction and machine direction of at least 25%.
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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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6852197 |
Wet strong tissue paper
Tissue paper having a bulk between 2 and 8 cm 3 /g and containing an amount of a wet strength agent, wherein the tissue paper contains a wet strength agent in the form of a nitrogen-containing...
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6846384 |
Process for sizing paper
A process for sizing paper comprising adding to an aqueous suspension containing cellulosic fibers, and optional fillers, an anionic or cationic sizing dispersion, and a sizing promoter comprising...
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6841039 |
Composition and method for the production of planar structures, especially structures made of paper or cardboard
This invention relates to a novel composition for the production of planar structures, whereby said composition is based on a cationic amylaceous material and a sulphonated amylaceous such as...
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6827819 |
Soft bulky multi-ply product
An ultra soft, bulky, multi-ply tissue having low overall sidedness and a geometric mean tensile strength of less than about 800 g/3″ wherein an embossed ply has a TMI sidedness of at least about...
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6824649 |
Method for increasing filler retention of cellulosic fiber sheets
A method for increasing filler retention of cellulosic fiber sheets is disclosed. In the method, cellulosic fibers with increased anionic sites are treated with either positively charged filler...
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6818100 |
Process for sizing paper
A process for sizing paper comprising adding to an aqueous suspension containing cellulosic fibres, and optional fillers, a sizing dispersion comprising a polymer having an aromatic group, and a...
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6815497 |
Crosslinkable creping adhesive formulations
Disclosed are adhesive formulations as creping process aids for producing an absorbent creped cellulosic sheet having a high level of surface-perceived softness that comprises continuously forming...
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6812281 |
Crosslinkable creping adhesive formulations
Disclosed are adhesive formulations as creping process aids for producing an absorbent creped cellulosic sheet having a high level of surface-perceived softness that comprises continuously forming...
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6808597 |
Methods of making and using creping adhesives comprised of polyamine-epihalohydrin resin/poly(vinyl alcohol) mixtures
Methods for making creping adhesives and using them in the creping of cellulosic fiber webs. The creping adhesives are a combination of polyamine-epihalohydrin and poly(vinyl alcohol). The method...
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6797117 |
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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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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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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6752906 |
Loudspeaker and method for the preparation thereof
A loudspeaker in which the input resistance is improved and the effect of humidity on the playback frequency response is suppressed, and a method for the preparation of the loudspeaker. A...
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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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