Paper making and fiber liberation inventions 10/07

20070246175 - Process for deinking waste paper: The present invention relates to a process for deinking waste paper comprising treating the waste paper with a peroxide compound in an aqueous alkaline medium in the presence of a first polymer (A) comprising a Ca-binding polymer in the form of a polycarboxylate polymer and a second polymer (B) comprising... Agent: Cantor Colburn, LLP

20070246176 - Pulp bleaching processes: The present invention aims to further advance the acid treatment or irradiation technology for pulp to develop a bleaching process using smaller amounts of chlorine chemicals with higher efficiency as compared with conventional bleaching processes. It also aims to provide an excellent high brightness pulp having a low environmental impact... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070246177 - Activator for pulp bleaching: A process for the bleaching of cellulosic fibres comprising the steps of (a) providing a water supply; (b) adding hydrogen peroxide to the stabilised water supply to form a hydrogen peroxide solution; (c) adjusting the pH of the hydrogen peroxide solution by adding alkali; mixing the pH adjusted solution resulting... Agent: Whitham, Curtis & Christofferson & Cook, P.C.

20070246178 - Paper for gypsum wallboard: Paper useful in the manufacture of gypsum wallboard is surfaced treated with an additive to improve the bonding affinity of the paper for wet plaster thereby permitting the manufacture of gypsum wallboard with little or no added starch and reduced amounts of water. A surface treating adhesive, a method of... Agent: Hercules Incorporated Hercules Plaza

20070246179 - Composites of starch containing silicon, method for the production thereof, and use for making paper and board: The invention relates to composites of starch containing silicon, particularly to starch silica, and starch silicate composites, a method for the production thereof and the use thereof as a filler in paper and board and as a coating pigment.... Agent: Birch Stewart Kolasch & Birch

20070246180 - Tissue products containing triggerable polymeric bonding agents: Polymeric bonding agents having a “triggerable” bonding functionality and which are in the form of particles or fibers, are blended with papermaking fibers prior to formation of a tissue web. After the web is dewatered, and advantageously during or after drying, the triggerable bonding functionality is activated to strengthen the... Agent: Kimberly-clark Worldwide, Inc. Catherine E. Wolf

20070246181 - Screening apparatus and screen basket for screening pulp suspensions: A screen for the screening of pulp suspensions is disclosed, including a screen basket, a rotor for providing pressure and suction pulses in the suspension to be screened along the screen basket, and a dilution liquid header for supplying dilution liquid to counteract thickening of the suspension during operation. The... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070240837 - Hardwood alkaline pulping processes and systems: Hardwood pulp rejects at a given Kappa number can be reduced by subjecting the hardwood pulp to specified cooking conditions at the end of cooking. In this regard, it has been discovered that s-lignin reacts faster than g-lignin and that there exists a higher proportion of g-lignin at the end... Agent: Nixon & Vanderhye, PC

20070240838 - Coated papers for newsprint inks and processes for preparing them: Herein disclosed is a coated printing paper for newsprint inks comprising a coating layer containing a pigment and an adhesive on a base paper, characterized in that the coating layer on the base paper has a coat weight of 4.0 g/m2 or more per side and that the coated paper... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070240839 - Starch derivatives for use in paper sizing and/or coating compositions: The present invention relates to a method of preparing a starch-based composition, characterised in that it comprises: (a) mixing a starch substrate with sodium perborate; (b) adding water to the mix of step (a) to form a slurry; and (c) pasting the slurry of step (b), provided that the method... Agent: Fish & Richardson P.C.

20070240840 - Method and system for controlling the temperature of ceramic elements in a supporting or wiping strip in a paper production facility, and supporting or wiping strip: The temperature of the ceramic elements of a supporting or wiping strip that is assigned to a wire or a felt in a paper production facility, is controlled by guiding a cooling carrier medium or a heating carrier medium through the supporting or wiping strip. For that purpose, the supporting... Agent: Lerner Greenberg Stemer LLP

20070240841 - Method for producing extensible paper, plant for implementing the method, product obtained by the method, and paper material obtained from the product: The paper web is passed on the production line between at least one pair of rollers, of which one is of soft material driven at greater speed, the hard material roller presenting a base roughness RA of less than 5 and along its entire lateral surface having incisions that are... Agent: Hoffman Wasson & Gitler, P.c Crystal Center 2, Suite 522

20070240842 - Twin wire for an atmos system: Dewatering system for dewatering a web. The system comprises a former, a belt press, and a structured fabric comprising a paper web facing side and being guided over a support surface and through the belt press. The structured fabric runs at a speed differential relative to a wire of the... Agent: Greenblum & Bernstein, P.L.C

20070240843 - Screen structure for use in the manufacture of a fiber product: The present invention relates to a method and apparatus for feeding chemical into a liquid flow. The method and apparatus according to the invention are especially suitable for applications where very small volumes of chemical must be fed in precise amounts in large process liquid flows.... Agent: Hoffmann & Baron, LLP

20070240844 - Paper transporting felt and press apparatus of paper machine having the paper transporting felt: A paper transporting felt includes a base layer, a first batt layer formed on a wet paper side surface of the base layer, a second batt layer formed on a press side surface of the base layer, a wet paper contacting fibrous layer including a plurality of split fibers split... Agent: Morgan Lewis & Bockius LLP

20070235152 - On-machine coater: The present invention simplifies the equipment in an on-machine coater in which a size press and a post-metering style of coater are alternatively used. In an on-machine coater including a size press 3, an air turn 4 arranged diagonally downward on the downstream side of the size press 3, a... Agent: Taylor & Aust, P.C.

20070235153 - Dewatering element having non-pulsing dewatering followed by pulsing dewatering: A forming section of a paper or board machine 10 in the forming section of a paper or board machine has a cover 36 having an outlet groove 20 between a suction zone 18 of circular holes and an outlet edge 40. A wire comes to the cover area from... Agent: Stiennon & Stiennon

20070235155 - Method for manufacturing a felt belt, and felt belt: The invention is a method for manufacturing a felt belt having a support which is embedded in a fiber matrix and is made up of at least two yarn layers arranged one above another, at least one is a longitudinal yarn layer made up of longitudinal yarns extending in parallel... Agent: Berenato, White & Stavish, LLC

20070235154 - Seam-on laminated belt: An on-machine-seamable industrial belt and method of forming an on-machine-seamable industrial belt including the steps of providing a base structure having first and second edges, providing a seam connecting the first and second edges, and laminating a layer onto the base structure and the seam.... Agent: Frommer Lawrence & Haug

20070227679 - Pulp crushing apparatus: An absorbent product manufacturing apparatus comprises a pulp feed mechanism (2) for feeding a pulp sheet along a lower surface of a pulp guide part (2411) and a pulp crushing mechanism (3) for crushing the pulp sheet from the pulp feed mechanism (2). The pulp crushing mechanism (3) crushes the... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070227680 - Manufacturing method for wastepaper shock absorbing materials using vacuum forming principle and wastepaper shock absorbing materials using the method: A method for manufacturing shock absorbing materials using wastepaper using vacuum forming principle and wastepaper shock absorbing materials using the method are disclosed, wherein the method comprises: disintegrating wastepaper selected from at least one or more of Korea Old Corrugated Container (KOCC), Korea Old Newspaper (KONP) and milk carton, using... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070227681 - Apparatus for decreasing scaling in digester systems: The invention relates to an apparatus for continuous digestion of wood chip comprising an upright generally cylindrical vessel having a top end and a bottom end. The top end of the cylindrical vessel is adapted to receive wood chips mixed with a cooking liquor to be treated therein. A first... Agent: International Paper Company

20070227682 - Method and a device for removing gas from wood chips: A method and a device for removing gas from wood chips, wherein the wood chips flowing downwards are heated with a steam flow that is cross-directional in relation to the wood chip flow.... Agent: Stiennon & Stiennon