Paper making and fiber liberation inventions 07/07

20070169901 - Process for impregnating woodchips: In a process for impregnating woodchips with substances dissolved and/or emulsified in water as impregnating agents for improving the elastic, mechanical, chemical and/or biological properties by vacuum impregnation and drying with dry steam, the woodchips are mixed with the substances dissolved and/or emulsified in water. The mixture is then evacuated... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070169902 - Method of producing coated paper with reduced gloss mottle: A method of producing a coated paper having reduced gloss mottle and excellent smoothness includes the steps of calendering a base stock at a relatively high pressure in a first calendering step, coating at least one side of the calendered base stock and calendering the coated base stock at a... Agent: Thompson Hine L.L.P. Intellectual Property Group

20070169903 - Papermaking processes using coagulants and optical brighteners: A method of making paper or paperboard is described, which includes introducing at least one charged starch, preferably having a degree of substitution greater than 0.045, and at least one optical brightening agent to a papermaking pulp and then forming the pulp into paper or paperboard. The present invention further... Agent: Kilyk & Bowersox, P.l.l.c.

20070169904 - Chemical softening composition for paper products: A chemical softening composition includes an amide-substituted quaternary imidazolinium salt, a nonionic surfactant, and a polyhydroxy compound for use in treating cellulosic materials including papers, textiles and fabrics. The chemical softening composition can be applied to papermaking fibers during a papermaking process to provide a softened paper web and product... Agent: Legal Department Huntsman Corporation

20070169905 - Precipitated calcium carbonate, method for producing the same and filler for loading paper using the same: Carbon dioxide containing gas is blown into a calcium hydroxide slurry having a calcium hydroxide concentration of 100 to 400 g/L obtained by wet slaking calcined lime with 4 N hydrochloric acid activity (value at 3 minutes) of 150 to 400 mL to allow them to react until the carbonation... Agent: Bacon & Thomas, PLLC

20070169906 - Method for producing or treating a fibrous web: This invention relates to a method for producing or treating a fibrous web, in particular a paper web or paperboard web, with which at least one property of the fibrous web, in particular a CD (cross direction) profile, such as the moisture CD profile, is established such that a preselected... Agent: Taylor & Aust, P.C.

20070169907 - Process belt with filled surface depressions: A transport belt, in particular for machines for the production of web material such as paper or paperboard, the transport belt including a web material contact side having surface depressions, such that the surface depressions are filled with filler material to provide a substantially flat web material contact surface.... Agent: Greenblum & Bernstein, P.L.C

20070169908 - Method and arrangement for feeding chemicals into a process stream: An apparatus for feeding one or more chemicals into a process stream of a papermaking process is disclosed, as well as a method of utilizing the apparatus for feeding one or more chemicals into a process stream is disclosed.... Agent: Nalco Company

20070169909 - Process belt with variably adjustable release characteristics: A transport belt, in particular for machines for the production of web material such as paper or paperboard, which on a web material contact side (18) includes at least two material layers (20, 22, 24) of different material arranged one above the other, wherein prior to starting up for the... Agent: Greenblum & Bernstein, P.L.C

20070169910 - Transport belt: A transport belt, in particular for machines for the production of web material such as paper or paperboard, having a printed material at least in some regions on a web material contact side.... Agent: Greenblum & Bernstein, P.L.C

20070163735 - Method for reducing brightness reversion of mechanical pulps and high-yield chemical pulps: The present invention concerns a process for reducing the susceptibility of lignocellulosic material to unwanted yellowing, particularly yellowing caused by light and heat. According to the invention, the fibres are activated enzymatically or chemically and then contacted with a modifying agent capable of bonding to the oxidized fibre material, rendering... Agent: Sughrue Mion, PLLC

20070163736 - Multi-layer web formation section: A multi-layer web formation section has two successive wire units (300, 310) with a common wire (11). A first headbox (100) supplies fiber pulp to the first wire unit (300) forming a first partial web (W1). A second headbox (110) supplies a new fiber pulp layer to the forward end... Agent: Stiennon & Stiennon

20070163737 - Porous filler or coating pigment of paper and cardboard and a method of manufacturing it: A porous, starch-based pigment and filler product, which comprises a foam, which contains foam bubbles, the average size of which is less than approximately 10 micrometres, and a method of manufacturing it. From the starch, microporous foam can be prepared, which can be stabilized to microcapsules. By means of a... Agent: Birch Stewart Kolasch & Birch

20070163738 - Beam structure for a web forming machine: A beam structure for a web forming machine is arranged to be supported by its end components (10) on the web forming machine. The beam structure includes a casing structure (15) of a thin-sheet material, inside which a stiffener structure (30) is arranged. In addition, the casing structure (15) and... Agent: Stiennon & Stiennon

20070163739 - Method and apparatus for transverse distribution of a flowing medium: Methods for achieving even transverse distribution and propagation of a flowing medium are disclosed in which the flowing medium is supplied through a conduit and is deflected during diverging propagation in at least one distribution gap The method includes deflecting the flowing medium during diverging propagation along the distribution gap... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070163740 - Vane intended for a headbox of a paper machine and method for ensuring the straightness of a vane: A vane intended for a headbox of a paper machine or equivalent is moistened and enclosed in a vapor-proof package to ensure the straightness of the vane. At least a portion of the vane is made of a water-absorbing material, such as plastic or a composite. Advantageously, the vane contains... Agent: Stiennon & Stiennon

20070163741 - Modified seam press fabric: A fabric for a paper machine includes a base having a paper side and a roll side; a roll side batt layer attached to the roll side of the base; and a plurality of yarns embedded in the roll side batt layer. The yarns can be mono or multifilament yarns,... Agent: Bachman & Lapointe, P.C.

20070158038 - Use of particulate material derived from mammalian hair in the preparation of paper or paperboard products: The invention relates to the use of a particulate material derived from mammalian hair in the preparation of a paper or paperboard product, which particulate material has been prepared by means of a process, which comprises the following steps: (a) subjecting mammalian hair to an oxidation treatment in which the... Agent: Nixon & Vanderhye, PC

20070158039 - Use of modified inorganic particles in deinking: The present invention provides methods for deinking printed waste paper—particularly methods that use a deinking composition that includes a hydrophobically-modified inorganic particle (“MIP”) to improve ink collection efficiency under traditional alkaline, reduced alkali, and true neutral deinking conditions. Deinking compositions are provided that include a hydrophobically-MIP substrate, a nonionic surfactant,... Agent: King & Spalding LLP

20070158040 - Method and apparatus for estimating an optimal dosage of bleaching agent to be used in a process for producing pulp: A method and an apparatus for estimating an optimal dosage of bleaching agent to be used in a process for producing pulp of a required brightness value involve a set of wood chip properties characterizing the wood chips as estimated by a measurement system. Corresponding wood chip properties data are... Agent: Mokhatar Benaoudia

20070158041 - Method and arrangement for treating pulp: A characterizing feature of the method and arrangement for treating pulp according to the invention, in which method pulp is transferred from a first pulp treatment apparatus (5) treating pulp in a higher consistency, to a second pulp treatment apparatus (50) treating pulp in a lower consistency, is that gas... Agent: Townsend And Townsend And Crew, LLP

20070158042 - Multi-layer web formation section: A multi-layer web formation section has at least two successive wire units (300, 310). First and second headboxes (100, 110) supply pulp suspension jets to the forward end of the first wire unit (300) and the second wire unit respectively to form a first partial web (W1) and a second... Agent: Stiennon & Stiennon

20070158043 - Moisture absorptive and desorptive paper and a method for manufacturing the same: Moisture absorptive and desorptive paper having both high moisture absorptive and desorptive properties and high dimensional stability is provided. Moisture absorptive and desorptive paper comprising organic fine particles having cross-linking structure and 1 to 10 mmol/g of acidic group where not less than 1 mmol/g of metal ion of at... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070158044 - Method and plant for producing a fibrous web: The present invention relates to a method and a corresponding plant for producing a fibrous web, in particular a paper web, paperboard web or tissue web. The formation of the fibrous web is defined online as a controlled variable and is held at a preselectable set-point level by way of... Agent: Taylor & Aust, P.C.

20070158045 - Edge-provided tool and method for the manufacture thereof: The invention relates to an edge-provided tool, such as a doctor blade, for use as wiping tool in the production of pulp and/or paper in different stages of the production process. It consists of an edge-provided strip of steel, the edge portion of which has been provided with a wear-resistant... Agent: Dilworth & Barrese, LLP

20070151682 - Method and apparatus for feeding wood chips into a chip bin: The invention concerns a method for feeding chips into a chip bin or corresponding, the chips in said method being forced to move substantially horizontally as a plug filling the cross-section of the transfer space. The chip plug is formed and maintained at a part of the length of the... Agent: Buchanan, Ingersoll & Rooney PC

20070151681 - Method and device for loading a fibrous stock suspension: The present invention relates to a method and a device for loading a fibrous stock suspension including a plurality of cellulose fibers with calcium carbonate. The method includes adding calcium hydroxide in liquid or dry form and/or calcium oxide into the fibrous stock suspension, adding carbon dioxide into the fibrous... Agent: Taylor & Aust, P.C.

20070151679 - Method of producing fibre products: A process for producing fibrous material, comprising a lignocellulosic material with phenolic or similar structural groups, and a signaling agent, said process comprising the steps of oxidizing phenolic or similar structural groups of the lignocellulosic matric to provide an oxidized fibre material, and directly, or via a tagging agent binding... Agent: Sughrue Mion, PLLC

20070151680 - 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

20070151683 - Process for preparing mechanical pulp: The invention relates to a method for the pre-treatment of chips, which can be used to reduce the specific energy consumption of mechanical pulp and to improve the technical properties of the fibres. In the treatment, chips in a liquid phase are brought into contact with an enzyme preparation containing... Agent: Sughrue Mion, PLLC

20070151684 - Creping adhesives comprising blends of polyaminoamide epihalolhydrin resins and polyamides: A composition comprising one or more polyaminoaminde epihalohydrin resins and one or more polyamides in a ratio of about 1:99 to about 99:1 based on polymer actives and use of the composition for creping paper webs.... Agent: Michael B. Martin Patent And Licensing Department

20070151685 - Cellulose-based substrates encapsulated with polymeric films and adhesive: A cellulose based substrate (20) generally includes a cellulose based sheet having a corrugated medium (48) spanning between first and second linerboards (44 and 46), wherein the corrugated medium includes at least one sizing agent for moisture wicking resistance. The cellulose based substrate further includes a polymeric film (43) encapsulating... Agent: Weyerhaeuser Company Intellectual Property Dept., Ch 1j27

20070151686 - Use of protein hydrolysate derived from keratin-containing material in the wet-end of a papermaking process: The invention relates to the use of a protein hydrolysate derived from keratin-containing material as an additive in the wet-end of a papermaking process. The invention further relates to a process for making a paper pulp or paper product, and a paper pulp or a paper product comprising protein hydrolysate... Agent: Nixon & Vanderhye, PC

20070151687 - Insulating paperboard: An insulating paperboard contains at least one layer of cellulose fibers. The one layer is at least partially composed of crosslinked fibers and processed cellulosic fibers. The paperboard provides sufficient insulation to provide a ΔT across the paperboard of at least 3.6° C. at 0.5 mm. A hot cup may... Agent: Weyerhaeuser Company Intellectual Property Dept., Ch 1j27

20070151688 - Process for the production of paper: The present invention relates to a process for producing paper which comprises: providing an aqueous suspension comprising cellulosic fibres, adding to the suspension, after all points of high shear, a cationic polysaccharide; and a polymer P2 being an anionic polymer; and, dewatering the obtained suspension to form paper.... Agent: Akzo Nobel Inc.

20070151690 - Cross-machine direction actuators for machine clothing: A method for affecting moisture content of a sheet of paper includes providing a moisture measuring device disposed in a papermaking machine to measure the moisture content of a sheet of paper and create a moisture profile of the sheet of paper, determining the moisture profile of the sheet of... Agent: Honeywell International Inc.

20070151689 - Machine direction sensor system with cross direction averaging: Disclosed is a machine direction measurement system having an increased cross direction sampling area (significantly larger than the natural sensor measurement window) to generate a more representative and stable machine direction reading of the process. In effect, the sensor should have as wide a coverage area as possible without having... Agent: Honeywell Law Department Patent Services

20070151691 - Method for converting a digester for use as a gas phase and hydraulic phase continuous digester: A method for converting a vapor phase continuous digester to a hydraulic digester including the steps of: operating the vapor phase digester in a vapor phase mode wherein a chip slurry enters the vessel of the digester through a lower chip inlet port, moves up through a top separator, discharges... Agent: Nixon & Vanderhye, PC

20070151692 - Method for producing soft bulky tissue: A process for producing tissue webs is disclosed. The process includes the step of partially dewatering a tissue web and then subjecting the web to multiple deflections against fabrics prior to drying the tissue web. For instance, in one embodiment, the tissue web is deflected multiple times in between two... Agent: Dority & Manning, P.A.

20070151693 - Device and method withdrawing cellulose pulp from a container: This is a device and a method for withdrawing cellulose pulp with a pulp concentration of 8-14% from a cylindrical storage tower. The storage tower has a plane bottom and with a diameter that exceeds 3 meters. A pipe is arranged through the wall of the storage tower that is... Agent: Fasth Law Offices (rolf Fasth)