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7628889 |
Lignocellulose fiber-resin composite material
A method of making a formed, dried lignocellulose fiber material comprising (a) providing an aqueous lignocellulose fiber pulp slurry having an effective consistency; (b) de-watering the slurry to...
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7591927 |
Manufacturing method for wastepaper shock absorbing materials using vacuum forming principle and wastepaper shock absorbing materials using the method
A method for manufacturing a wastepaper shock absorbing material using a vacuum forming principle is provided. The method includes disintegrating wastepaper selected from at least one of old...
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7585392 |
Method of producing absorbent sheet with increased wet/dry CD tensile ratio
A method of making absorbent cellulosic sheet with increased wet/dry CD tensile ratio includes treating the fiber at high consistency with debonder in a pulper, for example. The process enables the...
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7585390 |
Composite web and process for manufacture from post-industrial scrap
A composite web and process for manufacture from post-industrial scrap wherein the fibers are pre-opened and cut to an average fiber length of about 4 mm. A scrap fiber component and a cellulosic...
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7585389 |
Method of making fabric-creped sheet for dispensers
Fabric-creped absorbent sheet has an MD bending length of about 3.5 cm or more as well as an absorbency of about 3 g/g or more. The sheet is preferably produced without through drying or dry...
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7585388 |
Fabric-creped sheet for dispensers
Fabric-creped absorbent sheet has an MD bending length of about 3.5 cm or more as well as an absorbency of about 3 g/g or more. The sheet is preferably produced without through drying or dry...
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7494563 |
Fabric creped absorbent sheet with variable local basis weight
An absorbent cellulosic sheet having variable local basis weight includes a papermaking-fiber reticulum provided with (i) a plurality of cross-machine direction (CD) extending, fiber-enriched...
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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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7429309 |
Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making
Additives for paper making are disclosed herein. Specifically, the additives are wax-free alternatives to conventional coatings, including ASA, AKD and optionally an acrylic containing composition....
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7407561 |
Use of water-soluble crosslinked cationic polymers for controlling deposition of pitch and stickies in papermaking
The present invention relates to a method for controlling pitch and stickies deposit in a pulp and papermaking process using crosslinked cationic polymers made by controlled addition of a water...
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7396438 |
Lignocellulose fiber-resin composite material
A method of making a formed, dried lignocellulose fiber material comprising (a) providing an aqueous lignocellulose fiber pulp slurry having an effective consistency; (b) de-watering the slurry to...
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7390557 |
Method for coating a web of paper or paperboard and a coated paper grade
A method for manufacturing a web of paper and paperboard, in which method a spray-coating technique is used for applying a web treatment substance to at least one surface of a moving web. The...
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7314561 |
Method for purifying water
An integrated system and method for removing excess nutrients from water, for removing the nutrients from the removal site, for enhancing soil, and for producing pulp and paper products includes...
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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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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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7267773 |
Integrated system and method for purifying water, producing pulp and paper, and improving soil quality
An integrated system and method for removing excess nutrients from water, for removing the nutrients from the removal site, for enhancing soil, and for producing pulp and paper products includes...
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7250382 |
Water-disintegratable sheet and manufacturing method thereof
Disclosed is a water disintegratable sheet including bast/leaf fibers and at least one kind of primary fibers. The bast/leaf fibers have a Canadian Standard freeness value of at most 600 milliliter...
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7160418 |
Wet crepe throughdry process for making absorbent sheet and novel fibrous products
An improved process for making sheet from a fibrous furnish includes: depositing the furnish on a foraminous support; compactively dewatering the furnish to form a nascent web; drying the web on a...
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7122098 |
Paper quality improver for papermaking and method for producing pulp sheet
The present invention provides a paper quality improver for papermaking, for improving bulk value, brightness, and opacity of the pulp sheet. Further, the present invention provides a dry...
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7040054 |
Multi-purpose paper, manufacturing method thereof and the application thereof
A multi-purpose paper, a manufacturing method thereof, and an application thereof are provided. The method of manufacturing the multi-purpose paper comprises steps of (a) providing a papermaking...
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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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6890405 |
Method of controlling tackiness in papermaking
To reduce the problem of tackiness caused by contaminants in recycled paper, effective amounts of talc and a terpene such as D-limonene are added to paper stock in conjunction with chemical fixing...
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6835282 |
Paper web with pre-flocculated filler incorporated therein
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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6833055 |
Multi-ply paperboard prepared from recycled materials and methods of manufacturing same
This invention, in one aspect, relates to a multi-ply paperboard having at least three inner plies and, in some aspects, a top liner and a back liner, wherein the multi-ply paperboard is derived...
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6815022 |
Laminated structures constructed from adhesively joined sheet material layers
One or more sheet material layers in a multi-layer laminated structure is reinforced by adhesive bridges that extend through openings in the layer and tie together the layers on either side of the...
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6740372 |
Synthetic pillar and board made recyclable materials
A pillar or board is formed of a casing, filling materials, and at least one plug. The casing is made of the discarded recyclable paper and is provided with at least one opening. The filling...
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6709550 |
Method for forming a multi-layered paper web
A multi-layered paper web that has increased strength for minimizing slough and lint is provided. In one embodiment, the paper web contains an outer layer formed from unrefined hardwood fibers and...
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6692615 |
Method of making a slurry
An organic substrate is manufactured from recycled waste paper, cotton fiber and cotton gin waste, and gypsum. The recycled waste products are combined to form a slurry mixture for processing by...
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6641750 |
Treatment for improving cellulose insulation
An improved fire retardant cellulose insulation with reduced density and reduced settling. A method consists of adding a material, the fibers of which have a positive electrostatic charge, is added...
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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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6406592 |
Process for preparing base paper for fine paper
The present invention concerns a method for producing a base paper for fine papers, the base paper being produced from a mixture of a mechanical pulp and a chemical pulp. The chemical pulp used...
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6391154 |
Paper web and a method for the production thereof
The invention concerns a method for producing a paper web. According to the method a stock is produced from the fibrous raw material and the stock is formed to a web which is dried on a paper...
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6332953 |
Paper product having enhanced printing properties and related method of manufacture
A paper product suitable for use in making envelopes and the like and having enhanced printability. The enhancement in printability is attained through the use of shoe nip calendering. The final...
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6322667 |
Paper and paperboard of improved mechanical properties
The present invention relates to an improved method of treating paper products in order to enhance various properties thereof, and more specifically, including the step of treating the paper with...
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6309510 |
Method for making a wet-layed, non-woven 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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6299728 |
Multi-ply paper
A multi-ply paper includes a fiber material base layer, which is unbleached or made of wastepaper, and a top layer. Instead of a conventional "white" fiber material top layer, the top layer is in...
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6296736 |
Process for modifying pulp from recycled newspapers
A method of making sanitary paper products from recycled newspapers. The method includes the steps of: (a) pulping newspapers in water with agitation to produce a pulp slurry, the pulp from the...
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6248212 |
Through-air-dried post bonded creped fibrous web
A web structure is formed by a process including first through-air drying the fibrous web comprising at least about 20% non-premium fiber, next applying a bonding material to the fibrous web, and...
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6193838 |
Soft-single ply tissue having very low sideness
A one-ply paper tissue product and a method of making a one-ply paper product combining high strength and softness along with low sidedness. The paper tissue product exhibits a sidedness parameter...
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6190500 |
Multilayer linerboard having improved printing properties and related method of manufacture
A multilayer linerboard product having a top layer made up of bleached/unbleached virgin or recycled pulp and at least one bottom layer made up of unbleached pulp. The external surface of the top...
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6149831 |
Perlite-based insulation board
An insulation board suitable for use as a roof insulating board has a density between about 8 and about 15 pounds per cubic foot; a MOR/density ratio of at least 10.5 to 1 and includes, by dry...
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6074527 |
Production of soft paper products from coarse cellulosic fibers
The present invention encompasses a sanitary paper product including a wet-laid, surfactant treated nonwoven fibrous structure including coarse pulp fibers at least a portion contain oil and having...
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6068804 |
Process for making expansion joint material
A process of producing an asphalt-impregnated fiberboard comprises the steps of forming an aqueous slurry of a fibrous material and asphalt, the solids content of the slurry being less than about 8...
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6068734 |
Soft, bulky absorbent paper containing chemithermomechanical pulp
Soft, bulky, absorbent paper containing at least 20 percent by weight of a high-temperature chemithermomechanical pulp (HT-CTMP), calculated on the total fibre weight. The paper also contains at...
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6030497 |
Paper web and process for making the same
A multi-ply paper web comprises a base ply of a post-manufactured sheet such as reused old newsprint or reused office waste. An upper and/or lower ply bonded to the base ply covers any printing or...
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6027610 |
Production of soft paper products from old newspaper
A sanitary paper product made from newspapers containing coarse cellulosic fibers and printed with ink that contains oil and a method for making the same is provided. The method has the step of (a)...
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6017415 |
Method for co-pulping waste cellulosic material and wood chips
A method wherein waste cellulosic material is used as an alternative fiber source during chemical pulping to replace a fraction of the wood chips. The waste cellulosic material is fed to the...
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6001218 |
Production of soft paper products from old newspaper
A method of making sanitary paper products from newspapers. The method includes the steps of: (a) pulping newspapers in water with agitation to produce a pulp slurry, the fiber in the newspapers...
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5997785 |
Method for the manufacturing of a moulded body
A molded body is produced on the basis of a raw material, the main content of which is material which is left after remolding pulp from paper and extraction of fibers from the pulp mass for...
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5981044 |
Multi-layered tissue paper web comprising biodegradable chemical softening compositions and binder materials and process for making the same
Multi-layered tissue paper webs comprising biodegradable chemical softener compositions and binder materials are disclosed. The multi-layered tissue webs are useful in the manufacture of soft,...
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