Paper making and fiber liberation inventions 05/07

20070119555 - Methods for reducing wax content of pulp furnish: The present invention is directed to methods for reducing wax content of pulp furnish by treatment with a wax agglomeration agent followed by removal of wax particles.... Agent: Joanne Mary Fobare Rossi Hercules Incorporated

20070119556 - Chemical activation and refining of southern pine kraft fibers: A method for alteration of the morphology of cellulose fibers, particularly softwood fibers, by (a) subjecting the fibers to a metal ion-activated peroxide treatment carried out at a pH of between about 1 and about 9, preferably between 3 and 7, and (b) subjecting the treated fibers to a refining... Agent: International Paper Company

20070119557 - Method and system for energy in tmp by high temperature lc/mc refining of plup: A method for recovering heat from a pulp refining process comprising: discharging pressurized pulp from a high pressure refiner, wherein the pressurized pulp comprises a pressurized slurry of fibers and liquid; introducing at least the liquid from the pressurized pulp slurry to a pressurized flash tank; exchanging heat from the... Agent: Nixon & Vanderhye, PC

20070119558 - Method for the production of tissue paper: This invention relates to a method for the production of a tissue paper web, which is produced from a pulp suspension having fibers. The method according to the present invention is characterized in that the pulp suspension is formed, at least partly by, a pulp suspension fraction obtained through the... Agent: Taylor & Aust, P.C.

20070119559 - Enzymatic treatment of paper making pulps: The invention relates to processes for treating a pulp, and for making a paper material such as paper, cardboard linerboard, corrugated paperboard, tissue, towels, corrugated containers boxes etc. these processes comprising an alkaline treatment of a pulp, a treatment with a pectin lyase and/or a pectate lyase, and, if desired,... Agent: Novozymes North America, Inc.

20070119560 - Method for producing paper, paperboard and cardboard: Paper, board and cardboard are produced by adding (i) at least one retention aid and (ii) ionic, water-insoluble, uncrosslinked, organic microparticles which have an average particle size of less than 500 nm and a content of polymerized ionic monomers of less than 1% by weight or water-insoluble, uncrosslinked, organic microparticles... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070119561 - Method and apparatus of the prepartion of a fibrous stock suspension: SC paper which is produced from a fibrous stock suspension containing fibers which are partially loaded with ash is characterized in that the ash content in the SC fiber web which was produced from the fibrous stock suspension is higher than 35%, preferably higher than 39%. Newsprint which is produced... Agent: Todd T. Taylor Taylor & Aust, P.C.

20070113994 - Apparatus for use in recycling paper material: An apparatus for use in recycling paper material, the apparatus comprising a housing unit (10) including an inlet (12) for receiving paper material to be recycled and a first processing chamber (18) having means adapted for producing a pulp from paper material, a second processing chamber (26) having a screw... Agent: Young & Basile, P.C.

20070113996 - Method of manufacturing gravure paper: A method of manufacturing a gravure printing paper includes: providing a substance having an effect of inhibiting a binding between pulp fibers; preparing a mixture of pulp fibers and fillers; and adding the substance to the mixture; making a gravure printing paper using the substance-added mixture.... Agent: Knobbe Martens Olson & Bear LLP

20070113995 - Paper product and method of making: Paper having improved curl and cockle properties for water based, ink jet printing applications and a method of producing them. The paper contains at least 50 pounds per ton of a mono alkali metal salt of citric acid. The paper has a maximum Cockle Value of 0.25. It also contain... Agent: Weyerhaeuser Company Intellectual Property Dept., Ch 1j27

20070113997 - Thickener for paper coating compositions: A paper coating composition comprising one or more thickeners, characterised in that at least one of said one or more thickeners is a cold water swellable starch ester, methods of preparing such compositions and their use in coating paper products.... Agent: Fish & Richardson P.C.

20070113998 - Paper product and method of making: Paper having improved curl and cockle properties for water based, ink jet printing applications and a method of producing them. The paper contains at least 50 pounds per ton of a mono alkali metal salt of citric acid. The paper has a maximum Cockle Value of 0.25. It also contain... Agent: Weyerhaeuser Company Intellectual Property Dept., Ch 1j27

20070107859 - Deinking blends for use in reduced alkali systems: The present invention relates to methods and compositions for deinking waste paper, optionally in non-alkaline or low-alkaline systems. Deinking compositions are provided that include a blend of an alkoxylated fatty alcohol and a fatty acid. The compositions may further include a second alkoxylated fatty alcohol. The deinking compositions also may... Agent: King & Spalding LLP

20070107860 - Method and machine for producing a fibrous web: A machine for producing a fibrous web is characterized in that a measuring arrangement for measuring the ash content is mounted inside the machine, particularly inside the wire section, the press section, the drying section or after the drying section in front of a calendar. This measuring arrangement is connected,... Agent: Taylor & Aust, P.C.

20070107861 - Method for producing a paper web, and paper machine: The present invention relates to a method and a paper machine for producing a calendered paper web. The method includes the step of partially loading with ash a plurality of fibers of a fibrous stock suspension. The paper machine for the production of a calendered paper web from a fibrous... Agent: Todd T. Taylor Taylor & Aust, P.C.

20070107862 - Sodium sulfate treated pulp: Cellulose pulp sheets treated with sodium sulfate can be fiberized to produce sodium sulfate treated fibers that exhibit desirable densification properties. The sodium sulfate treated fibers densify to a greater degree than fibers that have not been treated with sodium sulfate.... Agent: Weyerhaeuser Company Intellectual Property Dept., Ch 1j27

20070107863 - Wet crepe throughdry process for making absorbent sheet and novel fibrous products: An improved process for making sheet from a fibrous furnish includes: depositing the furnish on a foraminous support; compactively dewatering the furnish to form a nascent web; drying the web on a heated cylinder; creping the web therefrom and throughdrying the web to a finished product. The microstructure of the... Agent: Patent Group Ga030-43 Georgia-pacific LLC

20070107865 - Chemical improvement in paper making: The invention relates to an improvement in the printability of uncoated mechanical pulp paper grades, especially to an improvement in the printability of supercalendered (SC) papers, particularly in rotogravure printing. In the method according to the invention, a mixture of alkyl ketene dimer and styrene maleic acid anhydride co-polymer is... Agent: Ciba Specialty Chemicals Corporation Patent Department

20070107864 - Filler-containing paper and a method for the production of filler-containing paper: Filler-containing paper wherein it contains the following component (A) and the following component (B) and, furthermore, the ash content of the paper is 3-40 wt %. (A) Polymer obtained by 20 to 100% hydrolysis of the total formyl groups in a polymer having at least N-vinylformamide as a polymerization component... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070107866 - Papermaking process: The invention relates to a papermaking process in which the static potential of the fibres/paper product can be controlled and reduced while enhancing the softness of the produced paper product. The papermaking process comprises adding to a suspension of cellulosic fibres: (i) a smectite clay (ii) at least one anionic... Agent: Akzo Nobel Inc.

20070107867 - Method for determining paper strength: The present invention provides a method for determining at least one strength property of a fibrous web during its production, in particular a paper web, paperboard web or tissue web, having the following steps: determining the web draw and the tension of the fibrous web resulting therefrom; determining the actual... Agent: Taylor & Aust, P.C.

20070102127 - Method and apparatus for producing tissue paper: A method of making paper comprising over drying the paper web by a dryer; transporting the paper web to a reel; and supplying dry air adjacent at least a portion of the paper web's travel path from the dryer to the reel. A paper machine comprising a dryer and a... Agent: Kimberly-clark Worldwide, Inc.

20070102128 - Wood pulp paper with high antimicrobial barrier level: Wood pulp papers are provided that are useful in end uses requiring microbial barrier properties such as medical packaging, air filters, liquid filters, and other uses and the papers have significantly improved bacterial barrier properties in contrast to wood pulp papers known in the art as measured by Log Reduction... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20070102129 - Lecithin-starches compositions, preparation thereof and paper products having oil and grease resistance, and/or release properties: The present disclosure relates to lecithin containing starch compositions. The disclosure also relates to processes for preparing the lecithin-containing starch compositions. Further, the disclosure relates to uses of the lecithin-containing compositions in the preparation of paper products that have oil and grease resistant properties, and/or have release properties. Further, the... Agent: Cargill, Incorporated

20070102130 - Lecithin-containing starch compositions, preparation thereof and paper products having oil and grease resistance, and/or release properties: The present disclosure relates to compositions consisting essentially of starch and lecithin. The disclosure also relates to processes for preparing the compositions consisting essentially of a starch and lecithin. Further, the disclosure relates to uses of compositions consisting essentially of starch and lecithin, or compositions comprising starch and lecithin, in... Agent: Cargill, Incorporated

20070095490 - Feed of a mixture of chips and fluid from a low-pressure system to a high-pressure system: Chips are sluiced from a low-pressure section to a high-pressure section with a sluice feeder. The fluid that is used to expel the chips from the sluice feeder principally includes pressurized fluid withdrawn from the treatment vessel. This pressurized fluid is normally withdrawn from the treatment vessel for recovery (REC).... Agent: Fasth Law Offices (rolf Fasth)

20070095491 - Arundo donax pulp, paper products, and particle board: Composite panels and pulp, and paper products of the pulp, are produced from Arundo donax. In the fabrication of the composite panels, Arundo donax is comminuted to a suitable size, combined with a binder, and consolidated into panels that meet standards for construction and/or furniture grade panels. The Arundo donax... Agent: Graybeal, Jackson, Haley LLP

20070095492 - Manufacturing method of semichemical mechanical pulp from cornstalk: Provided is a manufacturing method of semichemical mechanical pulp from cornstalks capable of offering environment-friendly pulp by reducing use of chemicals, offering a method for manufacturing new Korean pulp from cornstalks and enabling manufacture of characteristic paper. The method comprises the processes of crushing cornstalks into chips, applying heat and... Agent: Fish & Richardson PC

20070095493 - Production of paper using slica-based-sols: A process for the production of paper which includes the steps of providing an aqueous suspension containing cellulosic fibers, and optional fillers; adding to the suspension: (a) at least one charged organic polymer; and (b) an aqueous sol containing silica-based particles; wherein the sol has: (i) an S-value within the... Agent: Akzo Nobel Inc.

20070095494 - Method for optimizing production of paper or board: The invention relates to a method in the manufacture of a fiber-based web-like product for optimizing the operation of the process being used, in which method quality factors are defined for the product being manufactured control variables, which affect the state of the process, or quality factors of the finished... Agent: Cohen, Pontani, Lieberman & Pavane

20070095495 - Method and apparatus for producing a fibrous web: Disclosed is a method for producing a fibrous web, in particular a paper web, paperboard web or tissue web, with which a material flow of higher consistency and a material flow of lower consistency are mixed in a variable ratio over the machine width and the mixed flow is fed... Agent: Taylor & Aust, P.C.

20070095496 - Method and joining assembly for joining ends of a fabric in a paper machine: A method of joining two ends of a fabric for use in a paper machine, carried out using a joining assembly, includes the steps of: placing a first end of the fabric on a first portion of a pin plate, the pins in the first portion of the pin plate... Agent: Taylor & Aust, P.C.