Paper making and fiber liberation inventions

20090277596 - Bleaching process of chemical pulp: A process for the bleaching of chemical pulp, comprising a first chlorine dioxide treatment (D) of the initial bleaching and chelation (Q) to be carried out in connection therewith, forming together a DQ treatment. The process is characterized in that the chelation is carried out at the pH of from... Agent: Young & Thompson

20090277597 - Method for producing paper and cardboard: A method for producing paper, cardboard or similar materials, comprising, separately or in a mixture, adding to a fibrous suspension: at least one main retention agent comprising a cationic (co)polymer, and at least one dual retention agent comprising a crosslinked cationic (co)polymer obtained in the form of a dispersion and... Agent: Heslin Rothenberg Farley & Mesiti PC

20090277598 - Nut cracker: The present invention relates to a device and a method for increasing the yield, as well as for enabling an increase in productivity and an increased amount of production, and at the same time to improve purification of process water and waste water, respectively by decreasing the waste water flow... Agent: Manelli Denison & Selter

20090277599 - Tank assembly for making fibre products from stock: The present invention relates to a tank assembly for making fibre products from stock comprising a stock vat, a main tank (2, 103, 202), at least one inlet (20, 21, 111, 216) to said main tank from said stock vat, and an outlet (22, 113, 217) from said main tank.... Agent: Manelli Denison & Selter

20090272504 - Method and apparatus for the integrated cleaning of a paper-pulp processing plant: A method for the integrated cleaning of a paper-pulp processing plant including one or more high density cleaners comprising the steps of supplying the rejected flow (10) from one of the high density cleaners to a screening centrifugal separator (11); screening out contaminants in the separator (11) using a screen... Agent: Michael L. Dunn

20090272505 - Method for finishing paper and paper products: Process for finishing paper and paper products by treating the surface of paper or paper products with at least one finishing agent, at least one finishing agent being applied in the form of a pattern on the top and/or bottom of paper or paper products, and the papers and paper... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090272506 - Papers with a high filler material content and high dry strength: A process for producing paper, board and cardboard in the presence of an aqueous slurry of components comprising finely divided fillers coated at least partly with water-soluble amphoteric copolymers, which involves adding, further to the aqueous slurry of components comprising finely divided fillers, at least one cationic and/or amphoteric polymer... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090272507 - Cationic surface sizing agent and paper coated with the same: The invention improves a sizing effect even on paper containing no internal sizing agent and improves productivity by making solution polymerization in a small amount of an organic solvent. The invention provides a cationic surface sizing agent composed of a copolymer obtained by solution polymerization of (a) 15 to 35%... Agent: Clark & Brody

20090272508 - Method and apparatus for treatment of paper stock: A sheet formation section of a paper machine includes a sensor that measures a first characteristic of a sheet of paper being formed. The sensor may measure a characteristic such as streaking, rises, depressions, or smoothness. The sheet formation section also includes an apparatus that applies a magnetic field to... Agent: Anthony Miologos Honeywell International Inc.

20090266500 - Process for producing tissue paper: The invention relates to a process for producing a tissue web, which is produced from a stock suspension including fibers. In this case, the volume and the tearing length are to be improved with the lowest possible freeness by the stock suspension containing lignocellolosic fibrous material made of wood or... Agent: Todd T. Taylor Taylor & Aust, P.C.

20090266501 - Composition and ink receiving system incorporating the composition: A composition includes an alkenyl succinic anhydride sizing agent or an alkyl ketene dimer sizing agent. The alkenyl succinic anhydride sizing agent is present in an amount ranging from about 1.0 pounds per ton to about 4.0 pounds per ton. The alkyl ketene dimer sizing agent is present in an... Agent: Hewlett-packard Company Intellectual Property Administration

20090266502 - Shoe press belt: The present invention relates to a shoe press belt for a paper machine, comprising a substrate and a polyurethane resin impregnated to laminate on the surfaces of both the shoe side and the felt side thereof, which is excellent in abrasion resistance, crack resistance and processability. In the present invention,... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090260767 - Use of hydrophobic dyes to monitor hydrophobic contaminants in a papermaking process: A method of monitoring and controlling one or more types of hydrophobic contaminants in a papermaking process is disclosed. The methodology utilizes the measurement of hydrophobic dyes, which are capable of fluorescing and interacting with the hydrophobic contaminants. In addition, a method of determining the relative size of the hydrophobic... Agent: Nalco Company

20090260768 - Paper comprising fiber of citrus peel: A paper containing citrus peel fiber contains 20 to 60 weight parts of citrus peel fiber with respect to 100 weight parts of paper mulberry fiber. The citrus peel fiber is a peel fiber of one selected from the group consisting of mandarin orange, lemon, orange, Kiyomi and Dekopon. The... Agent: The Webb Law Firm, P.C.

20090260769 - Method for treating cellulose-containing fibers or planar structures containing cellulose-containing fibers: Cellulosic substrates are treated with compound(s) containing at least two primary amino groups and compounds containing at least one β-ketocarbonyl group. The substrates exhibit good strength and hand properties.... Agent: Brooks Kushman P.C.

20090260770 - Panels including renewable components and methods for manufacturing: A panel includes about 0.1% to about 95% by weight of a renewable component. The panel has at least one of a CAC value of at least about 25, an NRC value of at least about 0.25 and an STC of at least about 25. A method for manufacturing such... Agent: Greer, Burns & Crain, Ltd.

20090260772 - Sheet stabilization with dual opposing cross direction air clamps: An air stabilization system employing two parallel, opposite facing Coanda nozzles, that are positioned adjacent a flexible moving web, with each nozzle exhausting gas at opposite directions, subjects the moving web to opposing forces effective to stabilize the web. Each nozzle includes an elongated slot that is parallel to the... Agent: Honeywell International Inc. Patent Services

20090260771 - Sheet stabilizer with dual inline machine direction air clamps and backsteps: An air stabilization system employing two substantially parallel, codirectional Coanda nozzles, that are positioned adjacent a flexible moving web, with each nozzle exhausting gas at the same downstream machine direction, subjects the moving web to shear forces effective to stabilize the web. Each nozzle includes an elongated slot that is... Agent: Honeywell International Inc. Patent Services