Paper making and fiber liberation inventions 12/07

20070295463 - Compositions and processes to increase pulp yield, reduce extractives, and reduce scaling in a chemical pulping process: In general, the present disclosure is directed to compositions and processes to increase pulp yield, reduce extractives, and reduce scaling in a chemical pulping process. In one particular embodiment, for instance, the present disclosure is directed to a composition comprising a surface active agent, an alkaline mixture, at least one... Agent: Dority & Manning, P.A.

20070295462 - Method for treating pulp in connection with the bleachine of chemical pulp: A method of treating pulp in connection with the bleaching of chemical pulp, said method including treating of the pulp in at least an ozone, chlorine dioxide or alkali phase and thereafter washing of the pulp in a washing device having an E10 value of at least 3, whereby washing... Agent: Nixon & Vanderhye, PC

20070295464 - Additive compositions for treating various base sheets: Wiping products are disclosed comprising a sheet and an additive composition. The additive composition, for instance, comprises an aqueous dispersion containing an alpha-olefin polymer, an ethylene-carboxylic acid copolymer, or mixtures thereof. The alpha-olefin polymer may comprise an interpolymer of ethylene and octene, while the ethylene-carboxylic acid copolymer may comprise ethylene-acrylic... Agent: The Dow Chemical Company

20070295465 - Wiping products having enhanced cleaning abilities: Wiping products are disclosed containing an additive composition that enhances the cleaning properties of the product. The additive composition, for instance, comprises an aqueous dispersion containing an alpha-olefin polymer, an ethylene-carboxylic acid copolymer, or mixtures thereof. The alpha-olefin polymer may comprise an interpolymer of ethylene and octene, while the ethylene-carboxylic... Agent: The Dow Chemical Company

20070295466 - Method for treating a substrate: A method for treating a substrate is described. In accordance with one aspect, the method includes applying a polymer coating to a substrate, and bringing the polymer coating into contact with a heated surface in a pressure nip while the coating is still in a wet state. Optionally the polymer... Agent: Meadwestvaco Corporation

20070295467 - Mold resistant construction boards and methods for their manufacture: A construction board comprising i) a foam layer, and ii) a first facer, where the first facer includes at least one mold-inhibiting agent.... Agent: Jon D. Wood, Chief I.p. Counsel Bridgestone Americas Holding, Inc.

20070295468 - Twin wire gap former paper making machine with variable wrap impringement shoe: A forming section for a gap blade former type papermaking machine having a headbox which delivers a jet of papermaking stock between a conveying forming fabric and a backing forming fabric is provided. The conveying fabric moves in sliding contact over an impingement shoe on which the jet of papermaking... Agent: Volpe And Koenig, P.C.

20070284067 - Deinking of waste paper: Waste paper can be deinked by use of a composition which comprises a surfactant and a mineral-based deinking component.... Agent: Baker, Donelson, Bearman, Caldwell & Berkowitz

20070284068 - Methods for carbonate pretreatment and pulping of cellulosic material: A method of pretreating comminuted fibrous material with sodium carbonate and then cooking the pretreated material in the presence of anthraquinone (AQ) is provided. The resulting pulp produced has a higher yield, enhanced strength, and better bleachability compared to pulp produced by prior art methods. AQ may also be introduced... Agent: Heslin Rothenberg Farley & Mesiti PC

20070284069 - Process for increasing the basis weight of sheet materials: Sheet-like products are disclosed containing an additive composition. In accordance with the present disclosure, the additive composition is applied to a creping surface. The additive composition includes at least an aqueous dispersion containing a thermoplastic polymer. A base sheet is then pressed against the creping surface for contact with the... Agent: The Dow Chemical Company

20070284070 - Paper manufacturing process: The invention relates to a method for manufacturing a web comprising wood-based fibres and man-made fibres. A polymer is added to a fibre suspension comprising wood-based fibres and man-made fibres to improve the web formation and to slow down the removal of water in the wire section of the paper... Agent: Venable LLP

20070284071 - Paper machine comprising a translation device: A paper machine for continuous production of paper in a paper web (4) is described. The paper machine comprises a plurality of drivable rolls (5) for control of the paper web (4) and a translation device for moving a means essentially perpendicular to the paper web (4), which translation device... Agent: Harness, Dickey & Pierce, P.L.C

20070284072 - Sheath provided with a corrugated edge for a pressing device: A sheath for a pressing device, the sheath having a cylindrical circumferential face having a circumferential face radius and an annular bearing resiliently mounted to at least one axial end of the sheath in a spring elastic manner. The annular bearing has a smaller radius than the circumferential face radius.... Agent: Greenblum & Bernstein, P.L.C

20070277947 - Process for manufacturing pulp, paper and paperboard products: A process for bleaching mechanical wood pulp is provided comprising subjecting the wood pulp to at least one bleaching stage with one or more bleaching agents in the presence of one or more optical brightening agent, wherein the bleaching agents are selected from the group consisting of oxidative bleaching agents... Agent: International Paper Company

20070277948 - Acoustical tile: The present invention relates to an acoustical tile that includes a core and a surface treatment. The surface treatment comprises a formaldehyde-free latex binder, the binder including at least one formaldehyde-free biocide. The present invention also provides a process of manufacturing an acoustical tile.... Agent: Leydig Voit & Mayer, Ltd

20070277949 - Sizing of paper: The invention further relates to a process in which a nitrogen-containing organic compound having a molecular weight less than 1,000 is mixed with an aqueous dispersion of a cellulose-reactive sizing agent to form a pre-mix and which premix is added to the suspension.... Agent: Akzo Nobel Inc.

20070277950 - Surface treatment of substrate or paper/paperboard products using optical brightening agent: The present invention relates to a process for applying optical brightening agent (OBA) to a sheet of paper or paperboard substrate. The process comprises the step of spraying an aqueous composition comprising an optical brightening agent onto at least one surface of a sized paperboard substrate to form a treated... Agent: International Paper Company

20070277951 - Modularly constructed paper machine covering: A covering for paper machines, paperboard machines or tissue machines, which is constructed from a construction kit includes a plurality of prefabricated web-shaped material layers. Each web-shaped material layer is configured dependent upon a category and operating conditions of the covering, and the plurality of prefabricated web-shaped material layers are... Agent: Taylor & Aust, P.C.