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| Number | Title | Issue Date |
| 7264689 | Method of chemically loading fibers in a fiber suspension A method of continuously loading fibers in a fiber suspension with calcium carbonate. The fibers include a fiber wall surrounding a lumen. A reactant solid in the form of calcium oxide and/or calcium hydroxide is mixed into the fiber suspension with a resultant init... | 09/04/2007 |
| 7122098 | Paper quality improver for papermaking and method for producing pulp sheet The present invention provides a paper quality improver for papermaking, for improving bulk value, brightness, and opacity of the pulp sheet. Further, the present invention provides a dry efficiency improver. A compound is used as the paper quality improver for pape... | 10/17/2006 |
| 7108766 | Doctor unit in a paper machine A doctor unit in a paper machine includes a blade carrier having a blade holder fitted to the blade carrier. A doctor blade is mountable in the blade holder to doctor a roll or similar moving surface. The blade holder and/or doctor blade include one or more sensors ... | 09/19/2006 |
| 7083703 | Filler and a process for the production thereof A filler comprising cellulose or lignocellulose fibrils on which light-scattering material particles have been deposited, and a process for the manufacture thereof. In the filler according to the invention, an alkyl derivative of cellulose, such as CMC, has been sor... | 08/01/2006 |
| 7052579 | Pitch control composition This invention relates to a liquid composition for the control of pitch deposition in pulp and paper making comprising an aqueous solution of (1) a cationic guar polymer, and (2) isobutylene/maleic anhydride copolymer. The invention also relates to a process for inh... | 05/30/2006 |
| 6991707 | Polymeric creping adhesives and creping methods using same A method for manufacturing a creped fiber web is provided and includes providing a rotating cylindrical dryer surface, applying an ionene adhesive to the rotating cylindrical dryer surface to form an adhesive dryer surface, conveying a fiber web to the adhesive drye... | 01/31/2006 |
| 6989076 | Method for manufacturing release paper In the method, a release layer is formed on base paper to manufacture release paper. The base paper is calendered before forming the release layer in-line on the same production line. A further object of the invention is equipment for manufacturing release paper, wh... | 01/24/2006 |
| 6977027 | Additive and process for sticky control in recycled pulps The present invention describes an additive which controls stickies formation and removes anionic trash from recycled old corrugated container furnish, old newsprint furnish, deinked pulp furnish, old magazine grade furnish, coated broke furnish, or thermomechanical... | 12/20/2005 |
| 6969444 | Paper coating slip containing n-vinylformamide Paper coating slips whose additives comprise addition polymers or copolymers containing N-vinylformamide in (co)polymerized form, and their use. ... | 11/29/2005 |
| 6964725 | Soft tissue products containing selectively treated fibers The present invention is a tissue product comprising at least one tissue sheet. Each tissue sheet comprises a first side and an opposing second side. At least one tissue sheet comprises selectively treated pulp fiber treated with at least one hydrophobic chemical ad... | 11/15/2005 |
| 6962646 | Multi-layer headbox Multi-layer headbox for a paper machine that includes a plurality of nozzle chambers having outlet gaps located at nozzle chamber ends. Each of the plurality of nozzle chambers are assigned to different layers, and at least one of the plurality of nozzle chambers ha... | 11/08/2005 |
| 6962645 | Reticulated absorbent composite An absorbent composite (10) having a fibrous matrix that includes absorbent material is disclosed. The fibrous matrix defines voids (14) and passages between the voids, which are distributed throughout the composite. Absorbent material (18) is l... | 11/08/2005 |
| 6941773 | Apparatus for manufacturing an optical fiber soot, and method for manufacturing an optical fiber soot using thereof An apparatus for manufacturing an optical fiber soot, which comprises a core partition having an opening portion at core burner side provided on a periphery of a core burner, in a reactor of the apparatus to be used in a conventional VAD method. ... | 09/13/2005 |
| 6942756 | Fluororesin fiber paper, copper-clad laminate for printed board using the same and production process thereof The invention provides fluororesin fiber paper excellent in adhesion to a copper foil, heat resistance, chemical resistance, low water absorption and electric insulation and capable of being used as a substrate of a printed board suitable for use in high frequency, ... | 09/13/2005 |
| 6942757 | Process for preparing para-aromatic polyamide paper A process for producing a paper made essentially of a para-aromatic polyamide and having agglutinate portions, the process including subjecting to papermaking a composition comprising at least one member selected from the group of short fibers, staple fibers, pulp a... | 09/13/2005 |
| 6939443 | Anionic functional promoter and charge control agent The invention relates to a functional promoter comprising a water-soluble anionic polymer having a molecular weight of at least about 50,000 daltons and a molecular weight charge index value of at least about 10,000, and a cationic strength component. The invention ... | 09/06/2005 |
| 6939442 | Antimicrobial paper A conventional paper product used for printing or for fabrication into envelopes, file folders, forms and the like, is prepared by having antimicrobial agents added into the sizing during the manufacturing process. The antimicrobial agent provides protection to the ... | 09/06/2005 |
| 6939438 | Apparatus for loading fibers in a fiber suspension with calcium carbonate An apparatus for loading fibers in a fiber suspension with calcium carbonate has a housing with an inlet and an accept outlet. A rotatable distribution member is positioned within the housing. A rotor and stator assembly is positioned within the housing radially out... | 09/06/2005 |
| 6939441 | Stock size for paper or board manufacture, method for preparation of size, use of size A stock size intended to be added as a solution to the pulp stock in connection with the manufacture of paper or board in order to improve the characteristics of the paper or board, e.g.), to reduce the absorption of liquids, to increase the dry strength and wet str... | 09/06/2005 |
| 6936136 | Amino-functionalized pulp fibers The disclosed invention is directed to pulp fibers suitable for forming a wet-laid paper product which include amino-functionality which is non-extractable in an aqueous phase. The pulp fibers may be prepared by applying an amino-functional additive to a fibrous web... | 08/30/2005 |
| 6932888 | Flexible press cover and shoe press roll with such a flexible press cover A flexible press cover which has an additional strengthening element in at least one of its two end regions. As a result, in the end region, the tensile strength and the tensile rigidity in the circumferential direction are increased with respect to that hitherto kn... | 08/23/2005 |
| 6932886 | Multi-ply fibrous plasterboard web A fibrous web including a back liner having a higher fines side with a higher fines content, a top liner having a higher fines side with a higher fines content and at least one middle layer having a higher fines side with a higher fines content, and a lower fines si... | 08/23/2005 |
| 6932887 | Newspaper for offset printing A surface-treatment agent containing at least one type of processed starch selected from a) to c) as listed below is applied to a base paper of a newspaper so that a product of a B-type viscosity of the surface-treatment agent, measured under conditions of 10% conce... | 08/23/2005 |
| 6929716 | Method for the manufacture or treatment of a material web A method for the manufacture or treatment of a material web, in particular of a paper or a cardboard web, while using a respective machine, in particular a paper machine, including the step of measuring the hardness and/or the compactness of at least one clothing, i... | 08/16/2005 |
| 6926804 | Multi-tier rope harness A multi-tier fabric loading harness for installing a fabric onto a papermaking machine. The loading harness has a first portion with a supporting rigid member that attaches to an end of the fabric in the cross-machine direction and a plurality of apertures spaced ac... | 08/09/2005 |
| 6921459 | Process for making a sheet of aramid fibers using a foamed medium The present invention relates to a method for forming a non-woven fibrous web comprised of aramid fibers and aramid fibrid which comprises forming a foam furnish by agitating the fibers and fibrid in a foamed medium, and passing the foam furnish onto a screen and de... | 07/26/2005 |
| 6918995 | Process for the production of paper The invention relates to a process for the production of paper from an aqueous suspension containing cellulosic fibers, and optional fillers, which comprises separately adding to the suspension a cationic organic polymer having one or more aromatic groups and an ani... | 07/19/2005 |
| 6918992 | Fluff pulp for absorption products A method of making a dry defibered fluff pulp suitable for absorption products is described. In the making of fluff pulp bentonite (montmorillonite), and optionally an additional inorganic particle compound, such as a synthetic silicate compound, is added to the pul... | 07/19/2005 |
| 6916402 | Process for bonding chemical additives on to substrates containing cellulosic materials and products thereof Articles containing cellulose materials and treated with a chemical additive are disclosed. In accordance with the present invention, at least a portion of the cellulose containing the article is modified to include a first moiety. A chemical additive, such as softe... | 07/12/2005 |
| 6911116 | Cationically modified white pigments, their production and use Cationically modified white pigments (W) in particulate form, essentially consisting of a particulate inorganic white pigment (M) of a particle size in the range of 0,1 to 40 μm and an applied water soluble, cationic, crosslinked polymer (PA) containing ... | 06/28/2005 |
| 6911115 | Security paper Security paper (1) has a security zone (2) for providing protection against mechanical falsification. The security zone comprises a set of cells (3) indented in the paper and optionally interconnected by indented link portions, the thickness of ... | 06/28/2005 |
| 6908531 | Calendered paper product and method of producing a calendered paper web The invention relates to a method for producing a calendered paper web. According to the method, a paper web is formed from a fibrous raw material in a paper machine, and the paper web is calendered. According to the invention, a fibrous raw material is used which i... | 06/21/2005 |
| 6901775 | Method and apparatus for providing a uniform coating thickness along an axial direction within a substrate tube A method and apparatus for providing a uniform coating thickness along an axial direction within an internal portion of a substrate tube is disclosed. A gas delivery unit is configured to coat the internal portion of the substrate tube. The gas delivery unit include... | 06/07/2005 |
| 6902651 | Tube bank structure, and flow tube producing method The invention provides tube bank structure and a method of manufacturing a flow tube, which can improve the stabilization of the flow of stock in the tube bank of the headbox of a papermaking machine and prevent the development of turbulence and uneven concentration... | 06/07/2005 |
| 6899794 | Speaker device, and method and device for producing the same A liquefied paper material is used as raw materials. A paper frame member 1 supporting a vibrating plate is paper-skimmed and formed. On paper-skimming and forming, a central hole for use in voice coils, air-release hole 1a releasing air pressur... | 05/31/2005 |
| 6896769 | Modified condensation polymers containing azetidinium groups in conjunction with amphiphilic hydrocarbon moieties Modified condensation polymers containing azetidinium groups, such as polyamide epichlorohydrin (PAE) resins, can be combined with amphiphilic hydrocarbons containing polyethers into a single molecule to provide several potential benefits, depending upon the specifi... | 05/24/2005 |
| 6893537 | Tissue products containing a flexible binder A tissue product that has a relatively low level of lint and slough is provided. For example, the tissue product contains a flexible binder copolymer that is at least formed from an ethylenically unsaturated monomeric constituent and an unsaturated polysiloxane mono... | 05/17/2005 |
| 6890406 | Method and apparatus for tightening a shoe press roll mantle and/or reducing its wear A method for tightening a shoe press roll mantle and/or reducing its wear, in which method the shoe press used comprises a press roll (1) and a backing roll, said press roll (1) comprising a rotating, liquid-impermeable roll mantle (2), a solid ... | 05/10/2005 |
| 6889528 | Process of making rare earth doped optical fiber The present invention discloses a process for making rare earth (RE) doped optical fiber by using RE oxide coated silica nanoparticles as the precursor material, more particularly the method of the present invention involves preparation of stable dispersions (sol) o... | 05/10/2005 |
| 6890407 | Method and apparatus for producing calendered paper or board A method and an arrangement for manufacturing calendered paper or board particularly in the on-line manufacturing method. In the method, a base web is formed from a mixture of water and pulp supplied from the headbox and the web is dried by removing water over the p... | 05/10/2005 |
