Paper making and fiber liberation inventions 08/07

20070199668 - Treatment of cellulose during bleaching with agent capable of reducing carbonyl groups: The present invention relates to a method for treating a mixture containing cellulose, comprising at least one step of adding at least one agent capable of reducing carbonyl groups. The invention further relates to a specialty cellulose pulp, obtained by a method comprising treatment. Furthermore, the invention relates to the... Agent: Foley & Lardner LLP

20070199669 - Natural cellulosic fiber bundles from cellulosic sources and a method for making the same: The present invention is directed to natural cellulosic fiber bundles from natural cellulose sources preferably having a length, width, strength, elongation, or other properties desirable for textiles, composites, nonwoven mats, and other applications. For example, the fiber bundles may have a length that is greater than that of individual cells... Agent: Thompson Coburn, LLP

20070199670 - Sanitary tissue paper, method of producing the same, carton box for sanitary tissue paper, sanitary tissue paper package, interfolder, and apparatus and method of conveying sanitary tissue paper package: The present invention aims at preventing sanitary tissue paper from being torn when it is removed. The purpose is accomplished by sanitary tissue paper of single-ply or double-plies, characterized in that said paper has a lateral tensile strength on a dry condition of 32 N/m or more, a longitudinal tensile... Agent: Andrus, Sceales, Starke & Sawall, LLP

20070199671 - Formulations for high speed print processing: An anti-blocking composition including about 75% to about 99% weight percent a metal salt of stearate and about 1% to about 25% weight percent stearic acid is provided. In addition, an anti-blocking composition including about 90% to about 99.5% a metal salt of stearate and about 0.5% to about 10%... Agent: Mccracken & Frank LLP

20070193707 - Pulp and paper having increased brightness: The present invention relates to a method of increasing the brightness of pulp, pulp made from such methods and methods of using such pulp.... Agent: International Paper Company

20070193706 - Method of manufacturing pulp and articles made therefrom: A method of making pulp adapted to be used in forming corrugating medium is disclosed. The method comprises cooking woodchips in a first liquor in the absence of an alkali addition. The method further comprises mechanically fiberizing the woodchips to form a pulp. The method further comprises separating hydrolyzate from... Agent: John C. Gatz Jenkens & Gilchrist, A Professional Corporation

20070193708 - Composition comprising choline hydroxide and process for preparing the same: The present invention relates to a composition comprising choline hydroxide, a solvent, and one or more stabilizers selected from the group consisting of a hydride and choline sulfite.... Agent: Kenyon & Kenyon LLP

20070193709 - Method and apparatus at a twin-wire press and also a twin-wire press: The present invention relates to a method for machining of a surface (31) of a roll in a twin-wire press (2), comprising lower rolls (4, 6, 8, 25′), an endless lower wire (10), upper rolls (14, 16, 18, 25″), and an endless upper wire (12). The rolls comprise a coating... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070187052 - Method for impregnating chips in a continuous digestion system: A method for impregnating chips in a continuous digestion system with an impregnation vessel and a digester. The digestion system has a heat exchanger arranged between a first return line and a black liquor line. The heat exchanger allows a transfer of heat between the two lines. A principal part... Agent: Fasth Law Offices (rolf Fasth)

20070187053 - Method and arrangement for impregnating chips: The method and an arrangement are for improved impregnation of chips in association with the manufacture of chemical cellulose pulp. Un-steamed chips are fed into an impregnation vessel (30) in which a fluid level (LIQ_LEV) is established under the highest level (CH_LEV) of the chips. An improved impregnation arrangement for... Agent: Fasth Law Offices (rolf Fasth)

20070187054 - Paper for card, method for producing same and playing cards: Paper for card, characterized in that it has a laminate structure of a porous white film (A) symmetrically put on both faces of a masking layer (B) and the surface and the back thereof have a pencil hardness of from 4H to 9H. The card paper has good flexibility and... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20070187055 - Acacia fiber-containing fibrous structures and methods for making same: Multi-layered fibrous structures comprising hardwood pulp fibers that are present in the outer layers of the fibrous structures at differing weight percents, sanitary tissue products comprising such fibrous structures and methods for making such fibrous structures are provided. More particularly, the present invention relates to multi-layered fibrous structures comprising Acacia... Agent: The Procter & Gamble Company Intellectual Property Division - West Bldg.

20070187056 - Low odor binders curable at room temperature: Topically-applied binder materials for imparting wet strength to soft, absorbent paper sheets, such as are useful as household paper towels and the like, include an epoxy-reactive polymer, such as a carboxyl-functional polymer, and an epoxy-functional polymer. These binder materials can be cured at ambient temperature over a period of days... Agent: Kimberly-clark Worldwide, Inc.

20070187057 - Device for detachably fixing a holder for a doctor blade in a paper production plant: A device for the detachable fixing of a holder for a doctor blade located in a paper production plant, it being possible for the doctor blade, which is assigned to a supporting or guiding roll for the wire, for the felt or for the paper web, to be set in... Agent: Lerner Greenberg Stemer LLP

20070187058 - Twin-wire press: The present invention relates to a twin-wire press (2) for dewatering of a fibre suspension, comprising lower and upper rolls (4, 6), an endless upper and lower wire that runs around the rolls and a first (8, 8′) and a second dewatering table, respectively, which forms a dewatering space (12)... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070181274 - Method for producing paper, paperboard and cardboard: A process for the production of paper, board and cardboard by draining a paper stock containing interfering substances in the presence of polymers which contain vinylamine units and which have an average molar mass Mw of at least 1 million, a high-consistency stock first being prepared, at least one polymer... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070181275 - Use of calcuim carbonate particles in papermaking: A process for the production of paper by introducing a suspension of ultrafine calcium carbonate particles to a fiber-containing suspension. A method for improving the dewatering of a fiber-containing suspension. Use of a calcium carbonate suspension comprising ultrafine particles of calcium carbonate as a substitute for colloidal silica as a... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070181276 - Process and device for dewatering a fiber web: A process and a device for dewatering a fiber web 3, especially a paper web, using vacuum. The vacuum seen by a given unit are of the web is pulsed between a maximum value V and a minimum value. At least one suction box 7 is provided with perforations beneath... Agent: Alix Yale & Ristas LLP

20070181277 - Headbox apparatus for a papermaking machine: A headbox apparatus is disclosed for a papermaking machine. The headbox apparatus defines a flow path for stock flowing between an upstream header and a downstream slice lip. The apparatus includes a plurality of elements which are anchored within the flow path between the header and the slice lip. Each... Agent: Stuart B. Green

20070175604 - Process for mixing, device therefor and use thereof: In a process for continuous blending and/or fluidization of a suspension or a pulp and/or for incorporation of gaseous and/or liquid media into a suspension or pulp, respectively, in particular into a suspension of a fibrous material with fluids, the suspension or pulp, respectively, is subjected to shear forces in... Agent: Fitzpatrick Cella Harper & Scinto

20070175605 - Method and device in a paper or board machine line: In a paper or board machine drying line after the wire section, dewatering web's (W) width is affected in a direction crosswise to the web's traveling direction. Starting from an edge, at least one device (20A, 20B) brings about a force effect of a desired magnitude which is directed all... Agent: Stiennon & Stiennon

20070175606 - Press apparatus for removing water from a web: A press apparatus (10) is disclosed for removing water from a web (W). The apparatus includes a rotatable roll (12) which defines a peripheral surface (14). An elongate shoe (16) has a curved surface (18) which cooperates with the peripheral surface (14) of the roll (12) for defining therebetween a... Agent: David J. Archer