Paper making and fiber liberation inventions 02/08

20080047674 - Method for separating lignin from black liquor: Method for separating lignin from black liquor includes the following steps: a) precipitating lignin by acidifying black liquor and thereupon dewatering, b) suspending the lignin filter cake obtained in step a) to obtain a second lignin suspension and adjusting the pH level to approximately that of the washing water of... Agent: Young & Thompson

20080047675 - Process for producing absorbent sheet: A method of making a cellulosic web includes: forming a nascent web from a papermaking furnish, the nascent web having a generally random distribution of papermaking fiber; b) transferring the web having a generally random distribution of papermaking fiber to a translating transfer surface moving at a first speed; drying... Agent: Patent Group Ga030-43 Georgia-pacific LLC

20080047676 - Method and apparatus for producing fiber molded article, fiber molded precursor, and fiber molded article: A method of producing a fiber molded article including the steps of forming a wet fiber deposit layer (10) from a fiber material-containing slurry by papermaking processing and pressing the fiber deposit layer (10) to give a fiber molded article having an edge (113) where two faces (111 and 112)... Agent: Birch Stewart Kolasch & Birch

20080047677 - Paper, image-recording material support, and image-recording material: Paper and an image-recording material support which have high surface planarity and excellent gloss are disclosed. Moreover, an image-recording material is disclosed which uses the image-recording material support and is capable of obtaining high quality image. The paper includes raw paper. The paper satisfies at least one of the following... Agent: Sughrue Mion, PLLC

20080047678 - Cationic polymers containing 2-hydrocyethyl-methacrylic as promoters for asa sizing: The invention relates to polymers useful as a papermaking additives, The invention also relates to methods for making and using such additives.... Agent: Cantor Colburn, LLP

20080041541 - Uso of cyclodextrin for reducing yellowing of pulp and paper: The present invention relates the problem of color formation during paper production resulting in yellowing/brightness reversion of the pulp or the paper. This yellowing/brightness reversion can be reduced by the method of the present invention, which method relates to reducing yellowing of pulp and paper comprising adding or generating cyclodextrin... Agent: Novozymes North America, Inc.

20080041542 - Cellulose composites comprising hydrophobic particles and their use in paper products: Polymer composite films were prepared by solvent casting suspensions of quantum dots (QDs) in cellulose triacetate (CTA) solution. The films were robust and possessed the optical properties characteristic of QDs. Transmission electron microscopy (TEM) images of the films revealed that the QDs were well dispersed within the CTA film matrix.... Agent: Ogilvy Renault LLP

20080041543 - Process for increasing the basis weight of sheet materials: Sheet-like products are disclosed containing an additive composition. In accordance with the present disclosure, the additive composition is applied to a creping surface. A base sheet is then pressed against the creping surface for contact with the additive composition. The base sheet is then creped from the creping surface causing... Agent: Dority & Manning, P.A.

20080041544 - Paper manufacturing using agglomerated hollow particle latex: Agglomerated hollow latex particles are employed in the wet end of the paper making process to provide paper with improved properties.... Agent: The Dow Chemical Company

20080041545 - Sanitary paper: It is intended to provide sanitary paper which is excellent in texture such as moistness and softness and scarcely causes skin irritation or blushing even if it is brought into contact with the skin frequently. Namely, sanitary paper having an oil absorbance specified in JIS P8141 of 7 mm or... Agent: Quinn Emanuel Urquhart Oliver & Hedges LLP Koda/androlia

20080041546 - Paper sizing agent: A paper size which comprises a stable aqueous dispersion of a reactive size, from 5 to 100% by weight, based on the reactive size, of a substantially linear nitrogen-comprising polymer having at least 3 mmol/g of basic nitrogen atoms, and from 1 to 50% by weight of cationic starch having... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080035286 - Processes and systems for the pulping of lignocellulosic materials: A non-compression vessel, such as a digester, is employed for the chemical preconditioning of the chips followed by a fiberizing device to break the preconditioned chips down to fiber bundles, which are then washed before a high consistency chemical treatment. The digester may be one such as used in conventional... Agent: Nixon & Vanderhye, PC

20080035287 - Process for the treatment of fibre material and new composition: R2 is —COOM or —CH2COOM, M is a hydrogen atom, an alkali metal ion, an alkaline earth metal ion, an ammonium ion or a mixture thereof, n, m and k are molar ratios of corresponding monomers, wherein n is 0 to 0.95, m is 0.05 to 0.9, and k is... Agent: Cantor Colburn, LLP

20080035288 - Tissue products having high durability and a deep discontinuous pocket structure: A tissue sheet having a deep discontinuous pocket structure provides improved durability as measured by the ratio of the cross-machine direction tensile energy absorbed to the cross-machine direction tensile strength.... Agent: Kimberly-clark Worldwide, Inc. Catherine E. Wolf

20080035289 - Method for maximizing water removal in a press nip: The present invention is a method for maximizing water removal from an absorbent web in a press nip. The present invention uses a pressing unit having a blanket with a void volume and with a pressure profile that maximizes water removal in the press section or on the Yankee dryer... Agent: Patent Group Ga030-43 Georgia-pacific LLC

20080035290 - Paper machine and method for manufacturing paper: Paper machine for manufacturing a fibre web of paper without through air drying (TAD) or pressing, comprising: a wet end, having a wire section with at least one forming wire, a clothing, being air and water permeable, and a dewatering unit for dewatering the fibre web; and a drying section,... Agent: Alston & Bird LLP

20080035291 - Infrared-absorbing ticket stock and method of making same: A ticket stock and manufacturing process wherein a pulp is formulated from a blend of recycled printed papers, with added starch for enhancing sheet stiffness and reducing linting and dusting on cut edges of the stock. A preferred pulp comprises a blend of printed solid bleached sulfate plate stock, printed... Agent: Alston & Bird LLP

20080035292 - Paper substrates containing high surface sizing and low internal sizing and having high dimensional stability: This invention relates to a paper substrate containing high surface sizing and low internal sizing and having high dimensional stability, as well as methods of making and using the composition.... Agent: International Paper Company

20080035293 - Process for manufacturing of paper: The invention relates to a process for manufacturing paper, in which a filler is pretreated and suspended to form an aqueous slurry, the aqueous slurry obtained is combined with an aqueous suspension containing cellulose fibres to form a stock, the stock obtained is treated at least with a cationic retention... Agent: Birch Stewart Kolasch & Birch

20080029233 - Moving bed biomass fractionation system and method: Countercurrent extraction of lignocellulosic biomass such as trees, grasses, shrubs, and agricultural residues or waste involves the separation of cellulose fibers from other constituents, for subsequent use in the manufacture of paper, plastics, ethanol, and other industrial chemicals. Systems and methods involve continuous, multiple processing steps that may include chemical... Agent: Townsend And Townsend And Crew, LLP

20080029231 - Hydrophobically modifed poly[ethylene glycol] for use in pitch and stickies control in pulp and papermaking processes: Methods for inhibiting the depositions of organic contaminants from pulp in pulp and papermaking systems are disclosed. Hydrophobically modified poly[ethylene glycol] are added to the pulp or applied to deposition-prone surfaces of a papermaking system.... Agent: Joanne Mary Fobare Rossi Hercules Incorporated

20080029232 - Process and device to manufacture cellulose pulp: Process and device to manufacture and dewater cellulose pulps in which defibered cellulose is screened to remove shives, fractionated in to at least three fractions (10, 3, 12), which fractions are treated each by itself and then are brought together completely or partly, and that the fractionation is done according... Agent: Leydig Voit & Mayer, Ltd

20080029234 - Method of moistening paper web and paper web moistening device: A paper web moistening device comprises several moistening nozzles (2) in the cross direction of a paper web for blowing water mist comprising air and water onto the paper web (3) surface. At least one means for removing water 5 mist and/or air from the vicinity of the paper web... Agent: Oliff & Berridge, PLC

20080029235 - Fabric creped absorbent sheet with variable local basis weight: An absorbent cellulosic sheet having variable local basis weight includes a papermaking-fiber reticulum provided with (i) a plurality of cross-machine direction (CD) extending, fiber-enriched pileated regions of relatively high local basis weight interconnected by (ii) a plurality of elongated densified regions of compressed papermaking fibers. The elongated densified regions have... Agent: Patent Group Ga030-43 Georgia-pacific LLC

20080029236 - Durable paper: The present invention relates to a durable paper or paperboard substrate containing an effective amount of synthetic fibers and having enhanced strength in the machine direction and the cross direction, as well enhanced strength through the cross section of the sheet. The present invention further relates to methods of making... Agent: International Paper Company

20080029237 - Wet/dry crepe swing paper machinery: A swing paper machine configured to manufacture both wet crepe paper web having a moisture content of at least 20% and dry crepe paper web having a moisture content less than about 15%. The paper machine includes a Yankee dryer having a paper web positioned thereon, a creping doctor blade... Agent: Merchant & Gould PC