Paper making and fiber liberation inventions 04/08

20080093039 - Composite co-structured or co-adsorbed, mineral or organic filler or pigment compounds and the use thereof: Composite compounds of co-structured or co-adsorbed organic or mineral fillers or pigments containing at least two organic or mineral fillers or pigments of a different nature and the use thereof in the paper industry for manufacturing paper, filling or coating or for any other surface treatment of the paper as... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080093040 - Papermaking additive: A new class of polymeric additives for papermaking is disclosed as well as a process for their manufacture, a method for their use and a paper sheet containing the addition. The additives can be used in paper manufacture as agents for improving retention, paper machine operation and the strength properties... Agent: Ogilvy Renault LLP

20080093041 - Method and arrangement for impregnating chips: n

20080093042 - Multiple mode headbox: A multiple mode headbox is provided including a support surface, two or more chambers, and an adjustable roof. Each chamber includes a plurality of nozzles adapted to optionally supply papermaking fibers to the support surface. The adjustable roof is operably configured to adjust over a range of movement such that... Agent: Dority & Manning, P.A.

20080087390 - Multi-step pulp bleaching: A method for bleaching cellulosic pulp is disclosed, with one embodiment revealing a three-step bleaching method for cellulosic pulp comprising an activating bleach step, an alkaline peroxide step, and a reductive bleach step. The cellulosic pulp treated according to the present invention may possess a greater GE brightness gain than... Agent: Patent Group Ga030-43 Georgia-pacific LLC

20080087391 - Gas free valve for pulp vacuum washer and method: In a rotary drum for condensing pulp from a pulp slurry vat, the drum including radial conduits delivering filtrate from a pulp mat on an outer surface of the drum to at least one filtrate conduit coaxial with a drum rotational axis, a valve segment in the filtrate conduit including:... Agent: Nixon & Vanderhye, PC

20080087392 - Vacuum washer drum: A vacuum drum washer is designed to enable the use of an end-draining drum for drum lengths exceeding 20 feet. The drum washer includes a cylindrical drum having a mesh screen defining an exterior wall. A plurality of outer filtrate channels are disposed radially inward from the mesh screen. A... Agent: Nixon & Vanderhye, PC

20080087393 - Enzymatic press felt treatment: Methods for reducing or inhibiting deposition on or within press felts to increase the effective life of the press felt and reduce or eliminate the need for batch cleaning are disclosed. The methods disclosed treat press felt while paper is being produced with compositions containing at least one enzyme. Additionally,... Agent: Joanne Mary Fobare Rossi Hercules Incorporated

20080087394 - Bleaching of pulp: The present invention relates to a process of bleaching pulp derived from an alkaline pulping process having a hexenuronic acid content prior to the final bleaching stage from about 1 to about 80 mmol/kg dry pulp, said process comprising three chlorine dioxide stages D0, D1, and D2, wherein the chlorine... Agent: Akzo Nobel Inc.

20080087395 - Multi-ply tissue products: A multi-ply paper product is disclosed. The multi-ply paper product is provided with a first play and a second ply. The first ply is a lotioned fibrous structure having a wet burst of less than about 100 grams. The second ply is a non-lotioned fibrous structure having a wet burst... Agent: The Procter & Gamble Company Intellectual Property Division - West Bldg.

20080087396 - Methods and compositions for papermaking: The present invention relates to methods for making modified fillers for use in a papermaking process, methods for making a paper using the modified fillers, and modified fillers and paper produced therewith. In one aspect, the present invention provides a method for making a modified filler for use in a... Agent: Troutman Sanders LLP

20080087397 - Press stable method of cleaning paper machine press fabrics on-the-run: A method of cleaning papermaking felt by applying a low concentration of a cleaning solution through the oscillating needle nozzles. The detergent is applied intermittently while paper is being manufactured. Each cleaning period lasts for at least the length of time required for the nozzles to cover the entire surface... Agent: Wood, Herron & Evans, LLP

20080087398 - Hydrofoil for a papermaking installation: A hydrofoil for a paper production installation has a side that faces the wire formed with a wear strip. The wear strip is formed with plates that are organized in layer and formed of ceramic material. The wear strip is formed by a plurality of layers which lie on one... Agent: Lerner Greenberg Stemer LLP

20080087399 - Suction box and dehydrator with pressurization and forming machine using thereof: The present invention is a suction box for dehydrating the intermediate form of an inorganic building board during manufacturing or dehydrating the material slurry which is eventually molded into inorganic building boards. The suction box can change the open area ratio of dehydration space easily and can be used with... Agent: Kratz, Quintos & Hanson, LLP

20080083519 - 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 use of large amounts of debonder in a wet-press process in order to achieve wet/dry CD tensile ratios of... Agent: Patent Group Ga030-43 Georgia-pacific Llc

20080083520 - Method of refining destructured chips: A system for thermomechanical refining of wood chips comprises preparing the chips for refining by exposing the chips to an environment of steam to soften the chips, compressively destructuring and dewatering the softened chips to a solids consistency above 55 percent, and diluting the destructured and dewatered chips to a... Agent: Alix Yale & Ristas LLP

20080083521 - Device and method for closing the tail end of logs of web material and relative logs obtained therewith: The device comprises a system for unwinding a portion of the web material from the log R, and a system for rewinding the tail end on the log after application of an adhesive. Moreover, a folding member 21 is provided, to fold the tail end and form a fold of... Agent: Breiner & Breiner, L.l.c.

20080083522 - Urea-formaldehyde resin composition and process for making fiber mats: A thermosetting urea-formaldehyde (UF) resin composition containing a rheological-enhancing amount of a thickening agent, the use of the resin composition for formulating an adhesive binder for preparing fiber mats and the fiber mats made using the adhesive binder, wherein improved mat properties and faster cure speeds can be obtained.... Agent: Patent Group Ga30-43 Georgia-pacific Llc

20080083523 - Temperature control device: A temperature control device is disclosed for a metering head of a paper machine. The control device includes a metering head fabrication, the fabrication defining an internal cavity. In use of the metering head, the cavity is filled with a liquid. A displacement tube is disposed within and extends along... Agent: David J. Archer

20080078514 - Methods for the preparation of cellulose fibers having superabsorbent particles adhered thereto: A method for adhering superabsorbent particles to cellulose fibers, comprising optionally treating cellulose treated with a hydrophilic polysaccharide polymer with a crosslinking agent in water to provide a first aqueous mixture; adding a plurality of superabsorbent particles to the first aqueous suspension to provide a second aqueous mixture; and mixing... Agent: Weyerhaeuser Company Intellectual Property Dept., Ch 1j27

20080078515 - Methods for the preparation of fibrous superabsorbent composite containing cellulose: A method for making a fibrous composite, comprising blending a carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer in water to provide an aqueous solution; treating the aqueous solution with a first crosslinking agent to provide a gel; drying the gel to provide a solid; comminuting the solid... Agent: Weyerhaeuser Company Intellectual Property Dept., Ch 1j27

20080078516 - Arundo donax paper product: Composite panels and pulp, and paper products of the pulp, are produced from Arundo donax. In the fabrication of the composite panels, Arundo donax is comminuted to a suitable size, combined with a binder, and consolidated into panels that meet standards for construction and/or furniture grade panels. The Arundo donax... Agent: Seed Intellectual Property Law Group PLLC

20080078517 - Tissue products treated with a softening composition containing a layered polysiloxane micelle: A tissue product having a softening composition applied to at least one side is generally disclosed. The softening composition includes a polysiloxane micelle having a core polysiloxane and an outer layer polysiloxane. The core polysiloxane is more hydrophobic than the outer layer polysiloxane. In one embodiment, the core polysiloxane is... Agent: Dority & Manning, P.A.

20080078518 - Methods for beating pulp, methods for treating process waters, and methods for producing pulp and paper: The first invention aims to provide a method for preparing stiffer bulky pulp at a freeness level comparable to that obtained by mechanical treatments to improve the bulkiness of product paper by searching for a method capable of adjusting freeness while suppressing damage to pulp fibers and internal fibrillation in... Agent: Nixon & Vanderhye, PC

20080078519 - Rapid fatty acid assay for use in pulp pitch control: Methods are provided for determining the surface fatty acid content in a wood pulp or whitewater sample. The methods comprise reacting free fatty acids which are present on the surface of the wood pulp fibers in the sample or in the whitewater with one or more reagents to form a... Agent: Patrea L. Pabst Pabst Patent Group LLP