Paper making and fiber liberation inventions 09/09

20090236059 - Digester wash extraction by individual screen flow control: A continuous digester comprises a wash zone having a plurality of individual wash screens disposed about an inner wall of the digester for the withdrawal of co-current downflow liquor from the wash zone. A conduit is connected in fluid communication between each of the wash screens and a collector for... Agent: International Paper Company

20090236060 - Method for vapor phase pulping with alcohol and sulfur dioxide: A method for the fractionation of lignocellulosic materials into cellulose, hemicelluloses and lignin in a batch or continuous process in a treatment with vaporous mixture of aliphatic alcohol, sulfur dioxide and water. Cooking conditions are varied to get different proportions of cellulose, hemicelluloses and lignin. Chemical recovery through pressure release... Agent: American Process Inc Steve Rutherford

20090236062 - Method for coating dry finish paperboard: A method for coating paperboard including the steps of preparing a web of cellulosic fibers, the web having a basis weight of at least about 85 pounds per 3000 ft2, calendering the web at least once to form a paperboard substrate, wherein each of the calendering steps is performed without... Agent: Meadwestvaco Corporation Attn:IPLegal Department

20090236061 - Method for producing antifalsification papers, paper mould, and forming element for paper mould: The present invention relates to a method for manufacturing a security paper, for security or value documents, that exhibits at least one through opening (12) having characteristic irregularities (14) in the edge region. According to the present invention, a paper web having thin sites in the form of the outline... Agent: Greenlee Winner And Sullivan P C

20090236063 - Finely cut paper product for use in mixing with resin, ecologically sound resin composition comprising the same, and ecologically sound molded resin article using the composition: The finely cut paper product for use in mixing with resin according to the invention is obtained by pulverizing neutral or alkaline pigment-free coated paper which comprises 70 to 100% by mass of hardwood bleached chemical pulp, 0 to 20% by mass of softwood bleached chemical pulp and 0 to... Agent: Darby & Darby P.C.

20090236064 - Paper comprising pipd pupl and process for making same: The invention concerns a paper comprising polypyridobisimidazole fibers, where the apparent density of the paper is from 0.1 to 0.5 g/cm3 and the tensile strength of the paper in N/cm is at least 0.00057X*Y, where X is the volume portion of polypyridobisimidazole in the total solids of the paper in... Agent: Griffiths John E E I Du Pont De Nemours And Company

20090236065 - Siliceous composition and its use in papermaking: An aqueous polysilicate composition comprising a polysilicate microgel based component in association with particles derived from colloidal polysilicate. The invention also concerns a process for preparing an aqueous polysilicate composition comprising mixing an aqueous colloidal polysilicate with an aqueous phase of a polysilicate microgel. The aqueous polysilicate composition is more... Agent: Joann Villamizar Ciba Corporation/patent Department

20090236066 - Apparatus and method for removing a broken pulp web from a pulp dryer: The invention relates to an apparatus and a method for removing a broken pulp web from a pulp dryer. The apparatus includes a maintenance platform arranged at the first or the second end of the pulp dryer, outside the walls of the pulp dryer; a device for shifting the maintenance... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090229771 - Method for producing wood fibre pellets: A process for producing pellets or granules comprising fibres of a lignocellulousic material, for use as a feedstock in plastics manufacture, conveying in a dry or wet air stream and applying to the fibres a liquid formulation comprising one or more polymers, monomers, or oligomers, forming the fibres into a... Agent: Jacobson Holman PLLC

20090229772 - Bleached, mechanical paper pulp and the production method therefor: This invention relates to bleached mechanical paper pulps, based on fibrillated fibres of cellulose, hemicelluloses and lignin, containing calcium carbonate, in which calcium carbonate is crystallised and at least partly covers the fibrillated fibres of cellulose, hemicelluloses and lignin to which the calcium carbonate is mechanically bonded, papers made from... Agent: International Paper Company

20090229773 - Pulp products: A method of forming a moulded and printed product from pulp material including the steps of: forming a pre-form mould to have one or more planar surfaces, compound conjoined planar surfaces and/or two dimensional curved surfaces; transferring an amount of pulp slurry material to the pre-form mould; forming a moulded... Agent: Richard M. Goldberg

20090229774 - Lignocellulosic fibrous material made of wood: The invention relates to a wood-based lignocellulosic fibrous material having a tearing length of more than 8 km at 15° SR and a lignin content of at least 15%, based on the unbleached oven-dry fibrous material, for coniferous wood and having a tearing length of more than 5.0 km at... Agent: Greenblum & Bernstein, P.L.C

20090229775 - Clay slurries and use thereof in pulp and papermaking applications: The invention relates to a stable aqueous slurry composition comprising clay or clay-like material, hydrophobically associative polymer, and optionally a surfactant; and a method of inhibiting the deposition of organic contaminants in pulp and papermaking applications.... Agent: Joanne Rossi, Hercules Incorporated Hercules Plaza

20090229776 - Temporary wet strength agents and products made from such agents: The invention relates to a tissue product comprising (a) tissue fibrous web incorporated throughout the tissue product; (b) a temporary wet strength agent capable of forming hemi-acetal bonds with the fibers of the web to prevent immediate degradation of the web when the tissue product contacts water; and (c) a... Agent: Cantor Colburn, LLP

20090229777 - Web production with increased process efficiency: A conservation control system is provided for integration with an cross-direction controller on a sheet making machine. The conservation control system receives inputs from the cross-direction controller and accepts and/or modifies the controller commands to a profiler based on desired performance and conservation trade-offs.... Agent: Abb Inc. Legal Department-4u6

20090229778 - Arrangement for treatment of cellulose pulp: A washer for washing and dewatering of cellulose pulp is disclosed, comprising a rotatable drum with a plurality of outer compartments for the pulp to be washed defined by axial compartment walls distributed along the circumference of the drum, a stationary cylindrical casing that encloses the drum, whereby an annular... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090223644 - Web, stampable sheet and stampable sheet expanded product as well as method of producing the same: There are proposed an expansion molded product used as an internal material, engine cover or the like of an automobile but also a sound absorbing material, sound absorbing wall or the like in the building field and being light in the weight and excellent in not only sound absorbing property... Agent: Greenblum & Bernstein, P.L.C

20090223645 - Method and composition for improved temporary wet strength: A composition comprising a polymer that is a reaction product of: a copolymer backbone comprising; (i) at least one acrylamide component, (ii) at least one co-monomer, (iii) at least one initiator and (iv) at least one chain transfer agent; and at least one cellulose reactive agent; wherein the copolymer backbone... Agent: Cantor Colburn, LLP

20090218054 - Building material for forming an architectural surface covering and method for producing the same: A building material for use in forming exterior surface coverings. According to a preferred embodiment, the building material consists of the combination of a paper material, bonding agent, and water. The building material can either be formed directly upon a substrate, such as a wall or ceiling, or otherwise formed... Agent: Matthew A. Newboles Stetina Brunda Garred & Brucker

20090218055 - Method for recovering hydrolysis products: An improved method for treating lignocellulosic material, including a prehydrolysis-mass transfer process, which produces a concentrated hydrolysate volume during the time required for the hydrolysis itself. The improved process comprises the heating of the digester and chip content by direct steam to the required hydrolysis temperature, starting a flow of... Agent: Buchanan, Ingersoll & Rooney PC

20090218056 - Embossed fibrous structures: Embossed fibrous structures that exhibit a Dry Burst of greater than 270 g as measured according to the Dry Burst Test Method and more particularly to embossed fibrous structures that exhibit a Dry Burst of greater than 270 g as measured according to the Dry Burst Test Method and a... Agent: The Procter & Gamble Company Global Legal Department - Ip

20090218057 - Embossed fibrous structures: Fibrous structures that exhibit a Geometric Mean Elongation of greater than 14.95% as measured according to the Elongation Test Method are provided.... Agent: The Procter & Gamble Company Global Legal Department - Ip

20090218058 - Fibrous structures: Fibrous structures that exhibit a cross machine direction total energy absorption (CDTEA) of greater than 8 cm-g/cm2 as measured according to the TEA Test Method.... Agent: The Procter & Gamble Company Global Legal Department - Ip

20090218059 - Salt-sensitive cationic polymeric binders for nonwoven webs and method of making the same: A solution with a salt-sensitive polymer binder for use in fibrous webs, where the binder contains a copolymer comprising repeat units derived from butyl acrylate, methyl methacrylate and amino functionalized alkyl acrylate or methacrylate or amino functionalized alkyl acrylamide or methacrylamide optionally including monomers such as vinyl acetate and/or vinyl... Agent: Ferrells, PLLC

20090218060 - Use of fluorescent nanoparticles to make on-line measurements of cross-web and machine-direction component and property variations in paper and continuous web products: Fluorescent nanoparticles such as quantum dots are incorporated into paper and other web products such as plastics to achieve cross-direction and machine direction on-line detection of selected components during manufacture. Fluorescent nanoparticles markers are added in known proportions into product formulations along with the selected components of interest. By detecting... Agent: Honeywell International Inc. Patent Services

20090218061 - Process for generating a hydrocarbon feedstock from lignin: The present invention discloses processes for generating a hydrocarbon feedstock for biofuels synthesis from lignin via hydroprocessing. Embodiments of the present invention can occur in a refinery setting or in a paper mill setting. Embodiments of the present invention can utilize the separated lignin or the entire black liquor solution.... Agent: Chevron Services Company Law, Intellectual Property Group

20090218062 - Process for generating a hydrocarbon feedstock from lignin: The present invention discloses processes for generating a hydrocarbon feedstock for biofuels synthesis from lignin via hydroprocessing. Embodiments of the present invention can occur in a refinery setting or in a paper mill setting. Embodiments of the present invention can utilize the separated lignin or the entire black liquor solution.... Agent: Chevron Services Company Law, Intellectual Property Group

20090218063 - Fibrous structures: Fibrous structures that exhibit a Dry Burst of greater than 360 g as measured according to Burst Test Method and optionally, a Total Dry Tensile of less than 2450 g/76.2 mm Machine Direction (MD) Dry Tensile of less than 1520 g/76.2 mm and/or a Geometric GM) Total Dry Tensile of... Agent: The Procter & Gamble Company Global Legal Department - Ip

20090218064 - Tube bank apparatus for distributing stock: A tube bank apparatus is disclosed for distributing stock in a headbox of a papermaking machine. The apparatus includes a tube having a first and a second portion for the flow therethrough of the stock. The first portion defines a bore for the flow therethrough of the stock, the bore... Agent: David J. Archer

20090218065 - Arrangement for the treatment of cellulose pulp involving seal positioning means: A washer for washing and dewatering cellulose pulp is disclosed, comprising a rotary drum with a plurality of external compartments on the drum defined by axial compartment walls distributed along the circumference of the drum, a stationary cylindrical casing enclosing the drum, defining a ring-shaped space between the casing and... Agent: Lerner, David, Littenberg, Krumholz & Mentlik