Paper making and fiber liberation inventions 05/08

20080121356 - Method for improving separation of carbohydrates from wood pulping and wood or biomass hydrolysis liquors: A method for separating carbohydrates from pulping liquors includes the steps of providing a wood pulping or wood or biomass hydrolysis pulping liquor having lignin therein, and mixing the liquor with an acid or a gas which forms an acid upon contact with water to initiate precipitation of carbohydrate to... Agent: Akerman Senterfitt

20080121357 - Method and apparatus for fiberizing particularly paper and/or paperboard based materials: A method for fiberizing material and for feeding fiberized material to a further process. Fiberization is performed with a pulper, which includes a primary space for processing the material to be fiberized with a knife assembly rotating on a driving shaft. The material to be processed is forced, in order... Agent: Venable LLP

20080121358 - Method and system for treating a fibrous suspension: Methods for treating a fibrous suspension are disclosed, including cleaning the fibrous suspension in a screening room with a plurality of cleaning stages and including a final cleaning stage, and in which the cleaning takes place at a low fiber concentration, and recycling at least a partial flow of the... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080121359 - Methods and systems for pretreatment and processing of biomass: t

20080121360 - Method for making a layered paper or board web: A method for manufacturing a layered paper or board web, in which method thick stock (M) delivered to the paper machine is diluted with tail water and the diluted stock (M1) is fractioned in order to produce two different stock fractions (A,B). The first stock fraction (A), with finer material,... Agent: Stiennon & Stiennon

20080121361 - Paper sludge processing for animal bedding: A method for making an animal bedding fiber product, the method includes providing fiber from paper sludge, formulating the fiber in a mixture including a first desiccant agent including ash, so as to form a friable aggregate. Further, a fiber product including at least one short paper fiber from a... Agent: Kevin Farrell Pierce Atwood

20080121362 - Method for detecting a fibrous web tear in a drying section of a machine for producing the fibrous web and a dryer fabric for performing the method: This invention relates to a method for detecting a tear in a fibrous web (3) in a drying section (2) of a machine (1) for producing the fibrous web (3), whereby the fibrous web (3) is passed through the drying section (2) by way of at least one dryer fabric... Agent: Taylor & Aust, P.C.

20080115898 - Method and system for producing an article made of tissue paper or the like comprising a superabsorbent material: A method for producing an article made of a web material, comprising at least one ply, wherein a superabsorbent material in powder form is associated with said ply.... Agent: Breiner & Breiner, L.l.c.

20080115899 - Method for the production of lignocellulose-based products: The invention relates to a method for the production of a lignocellulose product from a) at least one material containing lignocellulose, b) a resin-based binding agent and (c) an organic compound comprising at least one first and second functional group. The first functional group is an oxidizable functional group and... Agent: Proskauer Rose LLP

20080115900 - Coated paper and paperboard: A paper or paper board coated with an aqueous paper coating composition containing pigment having a phosphorous-containing emulsion polymer and a phosphorous-containing dispersant.... Agent: Rohm And Haas Company Patent Department

20080115901 - Device for supporting a wire, felt or paper web in a paper production plant: A device for supporting a wire or felt in a paper production plant or the paper web produced in the plant. The supporting device includes at least one rotatably mounted supporting roll or the like. The at least one supporting roll or the like is mounted in a bearing shell... Agent: Lerner Greenberg Stemer LLP

20080115902 - Forming of a paper or board web in a twin-wire former or in a twin-wire section of a former: Fibrous stock is supplied by a paper or board machine headbox (1) between looped forming wires (11, 12). Water is removed in a two part first dewatering zone (Z1), the first part formed by a suction forming roll engaging a forming wire (12) and the second part formed by a... Agent: Stiennon & Stiennon

20080115903 - Interchangeable sleeve for embossing rollers or the like, method for the production thereof, and roller comprising said sleeve: The interchangeable sleeve comprises: a substantially cylindrical outer surface (105A); a layer of hardened resin (R); a substantially conical inner surface for connection to a conical central core of the roller. The inner surface is formed at least partially of at least one inner component (102) having greater rigidity than... Agent: Breiner & Breiner, L.l.c.

20080110584 - Bleaching process with at least one extraction stage: An improved bleaching process for bleaching pulp having at least one Eop stage or Ep stage which comprises subjecting the pulp to a Q stage in which the pulp is treated with a chelating agent at a pH of from greater than 2.5 to less than 7 followed by interstage... Agent: International Paper Company

20080110585 - Enhanced fiber additive; and use: The disclosure provides a process of modifying a seed based fiber (SBF) to form an enhanced fiber additive (EFA). The process includes an acid treatment step and optionally at least one fiber modification step. Preferred EFA products and uses are described.... Agent: Attention Of Mara E. Deboe Merchant & Gould P.c.

20080110586 - Process of purifying wood pulp with caustic-borate solution and recovering the purifying chemical: Systems and methods for purifying wood pulp by caustic-borate extraction. The systems and method include a method for recovering both the caustic and borate compounds from the resultant hemicaustic effluent, so that they may be recycled and re-used. Efficient recovery of these components is enabled by a nanofiltration system that... Agent: Hunton & Williams LLP Intellectual Property Department

20080110587 - Rosin-based resins for surface sizing application: The present invention relates to surface sizing compositions, methods for making such compositions, processes for sizing paper products using such compositions, and paper products which have been sized with such compositions. In particular, the invention relates to novel surface sizing compositions comprising rosin-based component and styrene-carboxylic copolymer.... Agent: Meadwestvaco Corporation

20080110588 - Method for managing lamella vibrations of a lip channel of a head box and the lamella for the lip channel of the headbox: A procedure and arrangement to control the lamella of a headbox's lip channel, when the mass flow goes in the headbox (3) through the lip channel (2), in which case single mass flows are held separate from each other with the lamella (1) before the flows are united after the... Agent: Stiennon & Stiennon

20080110589 - Method and apparatus of a twin-wire press: Methods for dewatering a fiber suspension in a twin-wire press, having a lower wire and an upper wire, and a first and a second dewatering table, which supports the wires such that a dewatering space is defined by the wires, are disclosed. The wires transport the fiber suspension under compression... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080110590 - Method and device for compacting a web of endless fabric including a nonwoven: A method and a device are for compacting a web of endless fabric including a nonwoven. According to the method and device, the web of endless fabric is subjected to the following treatment steps: a) impinging the web of endless fabric with a pressurized liquid; b) sucking off liquid; c)... Agent: Kenyon & Kenyon LLP

20080110591 - Rippled papermaking fabrics for creped and uncreped tissue manufacturing processes: A woven fabric for a papermaking machine includes a textured sheet contacting surface having substantially continuous machine-direction ripples separated by valleys. The ripples are formed of multiple warp strands grouped together and supported by multiple shute strands of two or more diameters.... Agent: Taylor & Aust, P.c.

20080105392 - Method and composition for improving fiber quality and process efficiency in mechanical pulping: This invention provides a composition and method for improving a mechanical pulping process by decreasing freeness and amount of shives, providing energy and chemical savings, and enhancing brightness and mechanical strength of a paper product made from a pulp material in the process. The composition includes formulations, such as surfactants,... Agent: Nalco Company

20080105393 - Process for the enzymatic oxidation of a substrate comprising a primary hydroxyl group: The present invention relates to a process for oxidising a hydroxyl group to form an aldehyde and/or carboxy group, the process comprising the step of reacting a substrate comprising at least one primary hydroxy group with a nitrosonium ion in the presence of an oxidase and hydrogen peroxide.... Agent: Sughrue Mion, PLLC

20080105391 - Pulping process with high defiberization chip pretreatment: A chip pretreatment process which comprises conveying the feed material through a compression screw device having an atmosphere of saturated steam at a pressure above about 5 psig, decompressing and discharging the compressed material from the screw device into a decompression region, feeding the decompressed material from the decompression region... Agent: Alix, Yale & Ristas, LLP

20080105394 - Creping adhesive with ionic liquid: The drying cylinder of a papermachine is provided a creping adhesive coating including a creping adhesive resin composition and a low temperature ionic liquid or a low temperature quasi-ionic liquid, the liquid being characterized by a melting temperature of 100° C. or less as well as low volatility.... Agent: Patent Group Ga030-43 Georgia-pacific LLC

20080105395 - Polyketone fiber paper, polyketone fiber paper core material for printed wiring board, and printed wiring board: e

20080105396 - Rotary die board: An arcuate die board formed as a multi-layered paperboard structure. The die board is initially produced as a full cylindrical paperboard tube, which is subsequently cut lengthwise to form two or more part-cylindrical portions each of which is used to fabricate a die board. The die board is then cut... Agent: Alston & Bird LLP

20080099168 - Soft and absorbent tissue products: Softening compositions for tissues, particularly facial tissues, include a combination of polysiloxanes and one or both of a polyalkylene oxide and a fatty alkyl derivative. The softening compositions can contain from about 30 to about 75 weight percent polysiloxane, from about 0 to about 60 weight percent polyalkylene oxide and... Agent: Kimberly-clark Worldwide, Inc. Catherine E. Wolf

20080099169 - Molded wet-pressed tissue: Wet-pressed creped tissue sheets exhibit continuous undulating valleys separated by continuous mono-planar macro-ridges running in the machine direction of the sheet, the macro-ridges being of a lower fiber density relative to the fiber density of the undulating valleys. The tissue structure can be created by pressing a densified tissue web... Agent: Kimberly-clark Worldwide, Inc. Catherine E. Wolf

20080099170 - Process of making wet-microcontracted paper: A process of making a wet-microcontracted fibrous structure product comprising the steps of: forming an embryonic web and forwarding the web at a first velocity on a carrier fabric to a transfer zone having a transfer/imprinting fabric; non-compressively removing water from the web; transferring the web to the transfer/imprinting fabric... Agent: The Procter & Gamble Company Intellectual Property Division - West Bldg.

20080099171 - Process and apparatus for feeding cementitious slurry for fiber-reinforced structural cement panels: A head-box for depositing slurry upon a moving web including a main metering roll, a companion roll disposed in closely spaced relation to the metering roll and a vibrating gate which forms a nip between the metering roller and the gate. The nip is arranged to retain a supply of... Agent: Novak Druce + Quigg LLP Anthony P. Venturino

20080099172 - Polymeric boronic acid derivatives and their use for papermaking: Polymeric compounds of formula I comprising boronic acid are provided. These polymeric compounds are prepared either by grafting boronic acid containing compounds (e.g. 4-carboxyphenylboronic acid) to hydrolysed poly(N-vinylformamide) or hydrolysing copolymer(s) obtained by copolymerizing vinyl group containing boronic acid monomers (e.g. -vinylphenyl boronic acid) and N-vinylformamide. These polymeric compounds are... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080099173 - Flow sheet for paper machine and method of manufacturing the same: To smooth the surface of a flow sheet that is used in a paper machine and make the flow sheet easy to handle, reinforced fibers are disposed in a mold 5. The entire mold 5 is covered with enclosing members 10, 11 so that an enclosed space 12 is formed... Agent: Wenderoth, Lind & Ponack, L.L.P.