Paper making and fiber liberation inventions 12/08

20080314534 - Method and system for direct contact of hot liquor with wood chips in transfer circulation: A method for heating a chip slurry in a pulping system including an impregnation vessel and a chemical digesting vessel, the method including: impregnating chips in the impregnation vessel with a liquor; transporting the chips from the impregnation vessel to an upper elevation of the digester vessel; extracting liquor from... Agent: Nixon & Vanderhye, PC

20080314535 - Embossed multi-ply tissue having a softening lotion: A multiply tissue article having a softening lotion and an embossment of the external surface. The embossment forms a network of discrete depressions. The embossment has particular configuration and induces a ply separation force within a defined range. The multiply tissue exhibits enhanced performance for softness, strength and ply delamination.... Agent: The Procter & Gamble Company Global Legal Department - Ip

20080314536 - High quality paperboard and products made thereof: The invention relates to a high quality paperboard comprising at least two plies, a first ply having good surface properties and strength, and a second ply for providing the paperboard with bulk wherein the second ply comprises hardwood CTMP. This paperboard has an internal strength and a bending resistance that... Agent: Greer, Burns & Crain

20080314537 - Fibrous blend and method of making: A mixed polymer fiber, comprising a crosslinked polymer fiber comprising carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer, and cellulose fiber.... Agent: Weyerhaeuser Company Intellectual Property Dept., Ch 1j27

20080314538 - Paper machine with one or a plurality of valve devices: A piezo nozzle system can be used in a paper machine. Contrary to all expectations, piezo nozzle systems have proven to be particularly suitable for use in the extreme ambient conditions of a paper machine. Despite the high degree of humidity, the use of piezo nozzle systems allows a high... Agent: Baker Botts L.L.P. Patent Department

20080314539 - 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 “hydrophobic polymers” wherein hydrophobic polymers, the amount of such polymers and the weight ratio of starch to such polymer in... Agent: International Paper Company

20080314540 - Method for dewatering a fabric: A method of dewatering a fabric includes contacting the fabric with an endless wicking substrate.... Agent: Kimberly-clark Worldwide, Inc. Catherine E. Wolf

20080314541 - Arrangement for the treatment of cellulose pulp in a washing apparatus arranged with displaced peripheral valve seals: A washer for washing and dewatering cellulosic pulp is disclosed, comprising a rotary drum with a plurality of external compartments defined by axial compartment walls distributed along the drum's circumference, a stationary cylindrical casing enclosing the drum, whereby a ring-shaped space is defined between the casing and the drum and... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080314542 - Torn paper web capture system: A torn paper web capture system that is a mechanism for securing a band, tape or strap, preferably composed of paper, across a paper roll as the roll is rotating. A sensor means detects the torn paper web and initiates both the shut down of rotation of the paper roll... Agent: Rogers Towers, P.A.

20080314543 - Paper machine for used paper recycling apparatus: The invention presents a paper machine for a used paper recycling apparatus being installed in a room of a small shop or the like, friendly to the environment, low in running cost, and capable of maintaining a high confidentiality. The paper machine includes a paper making process unit for manufacturing... Agent: Cheng Law Group, PLLC

20080314544 - Method and device for applying a coating medium in a machine used for producing a fiber web: Disclosed is a machine for producing a paper web, cardboard web, or other fiber web (1), comprising a press section (2) which is provided with at least one press nip (5) formed by two squeeze rollers (3, 4) and in which a device (6, 7) for applying a medium, particularly... Agent: Bachman & Lapointe, P.C.

20080308239 - Fiber blend having high yield and enhanced pulp performance and method for making same: The present disclosure relates to producing paper or paperboard having improved stiffness and strength, compared to the conventional paperboard at the same basis weight. It also discloses a method of wood pulping having a significantly increased yield and providing fiber pulps with enhanced properties such as strength and stiffness. Wood... Agent: Meadwestvaco Corporation

20080308240 - Method and device for the production of tissue paper: The invention relates to a method for the production of a web of tissue paper, comprising the steps of: depositing a layer of an aqueous suspension of papermaking fibers on at least one forming fabric; reducing the water content of said layer until the weight percentage of fiber in said... Agent: Mcglew & Tuttle, PC

20080308241 - Method for measuring hydrophobic contaminants in paper pulp: A method is provided for measuring hydrophobic contaminants distributed in paper pulp suspension. The method comprises: adding a fluorescent dye (18) to the paper pulp suspension (12) including fibers and hydrophobic contaminants, the dye (18) interacting with the hydrophobic contaminants of the paper pulp suspension (12); submitting the paper pulp... Agent: Sutherland Asbill & Brennan LLP

20080308242 - High solids glyoxalated polyacrylamide: Storage-stable glyoxalated polyacrylamide polymers and high solids aqueous compositions formulated with them are described. These glyoxalated polyacrylamide compositions can be used as additives for papermaking, providing paper with good dry and temporary wet strength, and increasing papermaking de-watering rates.... Agent: Kilyk & Bowersox, P.l.l.c.

20080308243 - Cationic crosslinked starch containing compositions and use thereof: There is disclosed a composition comprising at least one cationic crosslinked starch and an organic or inorganic component or a mixture thereof. Included within the organic compounds are any functionalized organic compound such as a polymerizable organic compound, a non-polymerizable organic compound, an organic polymer, or a mixture thereof. Included... Agent: Perkins Coie LLP/cargill, Inc.

20080308244 - Contamination degree determining apparatus and contamination degree determining method: A contamination degree determining apparatus for paper determines a final contamination degree of paper on the basis of values of various contamination characteristics indicating the degrees of, for example, creases, wrinkles or stains obtained from the paper. Values of a plurality of contamination characteristics are input to the contamination degree... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080308245 - Moistening nozzle of a paper web: A moistening nozzle of a paper web comprises a frame (1) into which air and water are conducted. Inside the frame (1) there is arranged a water nozzle (2) wherewith water is conducted to an outlet of the moistening nozzle and an air nozzle wherewith air is correspondingly conducted to... Agent: Oliff & Berridge, PLC

20080308246 - Apparatus for producing tissue paper: A paper machine includes a dryer and a reel; at least one blow box located between the dryer and the reel; and a blower supplying a source of dry air to the at least one blow box.... Agent: Kimberly-clark Worldwide, Inc. Catherine E. Wolf

20080308247 - Forming fabrics for fiber webs: A paper machine having a forming fabric with a paper side plurality of weft and warp yarns interwoven to form a layer contacting a paper web. A plurality of weft and warp yarns are interwoven to form a machine side layer for the forming fabric. A plurality of warp binder... Agent: Taylor & Aust, P.C.

20080302491 - Method for preparing paper pulp from recycled paper containing contaminants: P

20080302492 - Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method: A reactor vessel system including: a first reactor vessel having a hydrolysate and liquid extraction screen, a first region above the extraction screen that is maintained at conditions promoting a hydrolysis reaction in the cellulosic material, a second region below the extraction screen in which the hydrolysis is substantially suppressed... Agent: Nixon & Vanderhye, PC

20080302493 - Embossing process including discrete and linear embossing elements: A method for producing a deep-nested embossed product is disclosed. The method comprises the steps of: a) providing an embossing apparatus having mating first and second embossing members; b) providing the first embossing member with a plurality of discrete embossing elements in a non-random pattern; c) providing the second embossing... Agent: The Procter & Gamble Company Global Legal Department - Ip

20080302494 - Regenerated cotton board material and method of manufacture: The present disclosure includes a regenerated cotton board material comprised of dry cut cotton lint fiber, and wood fiber. The regenerated cotton board material may further include non-cellulosic fibers such as synthetic fibers or other natural fibers. In an alternate embodiment, a cotton board material may be manufactured from a... Agent: Fellers Snider Blankenship Bailey & Tippens

20080302495 - Articles comprising fibres and/or fibrids, fibres and fibrids and process for obtaining them: The present invention relates to novel articles, especially non-woven articles comprising fibres and/or fibrids. It also relates to novel fibres and fibrids and to a process for obtaining these fibres and fibrids.... Agent: Millen, White, Zelano & Branigan, P.C.

20080302496 - Latex-treated filler slurries for use in papermaking: A continuous filler treatment process has been developed to enhance the fixation of anionic latex on filler in a short time. In this process anionic polymer dispersions (latex) are added to common papermaking filler slurries at ambient temperature and then mixed with water of temperature higher than the glass transition... Agent: Ogilvy Renault LLP

20080302497 - Paper product with increased relative wet tensile strength and softness, method for production and use thereof: The present invention relates to flat paper products having an increased relative wet strength and softness, a method for the production of the same and also the use of paper products of this type in the form of tissue products. This is achieved by a cross-linkage of the cellulose fibres... Agent: Barnes & Thornburg LLP

20080302498 - Process for incorporating poorly substantive paper modifying agents into a paper sheet via wet end addition: Synthetic co-polymers having moieties capable of forming hydrogen bonds, ionic bonds, or covalent bonds with cellulose fibers and paper modifying moieties capable of modifying a paper sheet are disclosed. These synthetic co-polymers are derived from the reaction of an aldehyde functional polymer and an aldehyde reactive paper modifying agent containing... Agent: Kimberly-clark Worldwide, Inc. Catherine E. Wolf

20080302499 - Rope guide arrangement: Rope guide arrangement, deflection device, and method for guiding a leader strip of a material web through a device. The arrangement includes at least two ropes being arranged offset relative to one another in a first plane defined by a machine direction and a transverse machine direction. Further, the at... Agent: Greenblum & Bernstein, P.L.C

20080295980 - Continuous counter-current organosolv processing of lignocellulosic feedstocks: A modular process for organosolv fractionation of lignocellulosic feedstocks into component parts and further processing of said component parts into at least fuel-grade ethanol and four classes of lignin derivatives. The modular process comprises a first processing module configured for physico-chemically digesting lignocellulosic feedstocks with an organic solvent thereby producing... Agent: Fasken Martineau Dumoulin, LLP

20080295981 - Single vessel reactor system for hydrolysis and digestion of wood chips with chemical enhanced wash method: A reaction vessel including: a material input receiving cellulosic material and a material discharge for the cellulosic material, wherein the cellulosic material flows through the reaction vessel from the material input to the material discharge; a hydrolysate and liquid extraction screen; a hydrolysis zone between the material input and the... Agent: Nixon & Vanderhye, PC

20080295982 - Process for producing fiber pulp utilizing bamboo and pulp produced using the same: Disclosed is a process for producing pulp utilizing bamboo, comprising finely cutting the bamboo into short segments and subjecting the cut bamboo to screening and washing processes to thereby produce dissolving pulp capable of achieving reduced consumption of chemical agents used during pre-hydrolysis and pulping processes and case of reaction,... Agent: Staas & Halsey LLP

20080295983 - Security paper: The invention relates to an optically variable security paper for the production of documents of value which comprises a cellulose-containing substrate which comprises core/shell particles, to processes for the production of a security paper of this type and to the use thereof for the production of documents of value.... Agent: Millen, White, Zelano & Branigan, P.C.

20080295984 - Method for producing identification marks on paper or board and a marked material made with the method: The invention comprises a method for producing identification marks (5) on layer-structured paper or board (7) to be manufactured in a continuous web and the marked papers and boards obtained with this method. With this method, the marks (5) are made with a laser beam on a moving web form... Agent: Birch Stewart Kolasch & Birch

20080295985 - Cellulose articles containing an additve composition: In one embodiment, the present invention provides a method of forming a cellulose article having a specific volume of less than 3 cc/gm. The method includes the step of incorporating cellulose fibers with a compound, wherein the compound includes an aqueous dispersion. The aqueous dispersion may have at least one... Agent: The Dow Chemical Company

20080295986 - Method of producing paper and cardboard: A method of producing paper or cardboard using a bleached cellulosic pulp, which contains hemicelluloses. According to invention a significant portion, at least 5 wt-%, preferably about 8 to 30 wt-%, of the hemicelluloses are removed from the pulp. The hemicelluloses taken from one bleached pulp can then be transferred... Agent: Smith-hill And Bedell, P.C.

20080295987 - Method of making surface-sized paper/board: The invention relates to a method of making surface-sized paper/board. The web to be treated in the method is after surface sizing passed to a treatment process for providing a desired drying shrinkage and/or increase of drying stresses to create thereby a desired effect on the flexural strength and/or bulk... Agent: Alston & Bird LLP