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| Number | Title | Issue Date |
| 7323083 | Adhesion promoters for glass-containing systems Resinous coatings can be applied to glass, exhibiting improved adhesion thereto, by including in the coating composition a sulfonic acid derived compound such as 2-acrylamido-2-methylpropanesulfonic acid or a salt thereof. Alternatively, the glass can be first coate... | 01/29/2008 |
| 7303653 | Sizing agent and recording sheet having the same A sizing agent includes a vinyl copolymer having a repeating unit (i) having a quaternary amino group and a repeating unit (ii) derived from acrylic monomers having a hydrophilic polyoxyethylene, the ratio by mass, (i):(ii), of the repeating unit (i) to the repeatin... | 12/04/2007 |
| 7282117 | Cellulosic fiber composites using protein hydrolysates and methods of making same Cellulosic fiber composites and finished cellulosic fiber composite articles are provided. The cellulosic fiber composites comprise cellulosic material and a resin binder. The resin binder comprises vegetable protein hydrolysates and a synthetic resin. The synthetic... | 10/16/2007 |
| 7258764 | Soft and strong webs from highly refined cellulosic fibres Soft and strong cellulose-based fibrous web, comprises a) cellulosic fibres having a freeness value of more than 26° SR measured according to DIN-ISO 5267/1 (March 1999), b) a water-soluble cationic polymer, ... | 08/21/2007 |
| 7244339 | Retention and drainage system for the manufacturing of paper A process for manufacturing a paper stock for use in making paper, paperboard and similar cellulosic products, by adding, at one or more different points of the wet end of the paper-making machine, a secondary retention and drainage agent containing a liquid smectit... | 07/17/2007 |
| 7156955 | Papermaking process using a specified NSF to silica-based particle ratio The present invention refers to a process for the production of paper from a suspension containing cellulosic fibers, and optionally fillers, comprising adding to the suspension at least one cationic organic polymer and an aqueous silica-containing composition compr... | 01/02/2007 |
| 7150319 | Method for reducing or completely eliminating water influx in an underground formation, and crosslinkable copolymers for implementing said method A method for reducing or completely eliminating water influx in an oil or natural gas borehole includes introducing in the borehole an aqueous solution of a copolymer comprising: A) 40–98 wt. % of structural units of formula (I), wherein: R1 is hydrogen... | 12/19/2006 |
| 7128835 | Fluid treatment packs, fluid treatment elements, and methods for treating fluids A fluid treatment element for treating a fluid flowing through the element comprises a first conductive layer and a second conductive layer electrically connected to the first conductive layer. The element further comprises a nonconductive porous treatment medium be... | 10/31/2006 |
| 7074301 | Chemically cross-linked cellulose fiber and method of making same The present invention relates to cross-linked cellulosic fiber having improved absorbency characteristics when compared to conventional cross-linked fibers. The cross-linked cellulosic fiber is obtainable by reacting pulp in the sheet or fluff form with one or more ... | 07/11/2006 |
| 7008508 | Composition for increasing wet strength of paper including water-soluble blocked urethane prepolymers For use as a wet strength agent, a water-soluble blocked urethane prepolymer having a hydrophilic group and a blocked isocyanate group is combined with a cationic charge-adjusting agent. The adsorption and retention of the water-soluble blocked urethane prepolymer t... | 03/07/2006 |
| 6902770 | Method of transparentizing paper subtrate and paper assembly with transparentized window The invention provides an improved method of transparentizing a paper substrate to produce a translucent area or “window” through which information and data are displayed. The method of the invention applies a transparentizing material to a preselected applicati... | 06/07/2005 |
| 6846384 | Process for sizing paper A process for sizing paper comprising adding to an aqueous suspension containing cellulosic fibers, and optional fillers, an anionic or cationic sizing dispersion, and a sizing promoter comprising a cationic organic polymer having an aromatic group; and an anionic p... | 01/25/2005 |
| 6811653 | Multi-purpose paper, manufacturing method thereof and the application thereof A multi-purpose paper, a manufacturing method thereof, and an application thereof are provided. The method of manufacturing the multi-purpose paper comprises steps of (a) providing a papermaking material and obtaining a clean paper pulp by treating the papermaking m... | 11/02/2004 |
| 6719882 | Cellulosic fiber composites using protein hydrolysates and methods of making same Cellulosic fiber composites and methods for preparing cellulosic fiber composites are provided. The cellulosic fiber composites comprise cellulosic material and a resin binder. The resin binder comprises protein hydrolysates and a synthetic resin. The synthetic resi... | 04/13/2004 |
| 6719881 | Acid colloid in a microparticle system used in papermaking A microparticle system for use as a retention and drainage aid in the production of alkaline and acid paper products comprises a HMW flocculent polymer (6), an acid colloid (7), and a coagulant or a MMW flooculant (5). The acid colloid (7... | 04/13/2004 |
| 6716314 | Method for making improved abrasion resistant overlays A method for forming an abrasion resistant sheet which comprises forming a web of cellulosic fibers on a papermaking machine and applying a slurry including an encapsulated abrasion-resistant grit to the upper surface of the web on the papermaking machine. ... | 04/06/2004 |
| 6699360 | Printed, soft, bulky single-ply absorbent paper having a serpentine configuration and low sidedness and methods for its manufacture A process for the manufacture of single-ply, absorbent paper product, printed on before or after embossing on the Yankee side, air side, or both sides, having a serpentine configuration; low sidedness; a basis weight of at least about 12.5 lbs. per 3000 s... | 03/02/2004 |
| 6540874 | Asphalt-grade carbon fiber paper and its process The present invention herein relates to an asphalt-grade carbon fiber paper comprised primarily of asphalt-grade carbon fibers and paper base material, and its process, where the paper base material may be made of cellulose fibers or synthetic fibers and ... | 04/01/2003 |
| 6517674 | Process for manufacturing wear resistant paper Abrasion resistant papers such as overlays or decor sheets useful in decorative laminates, and in particular, to abrasion resistant papers incorporating spacer or separator particles to minimize the amount of damage to highly polished caul plates caused b... | 02/11/2003 |
| 6503370 | Method of producing a paper having a three-dimensional pattern Method of producing paper having a three-dimensional pattern of alternating raised and recessed portions which is given the paper in connection with impulse drying, at which the wet paper web is passed through at least one press nip (12) comprising a rota... | 01/07/2003 |
| 6500303 | Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives Pulps or papers, especially chemimechanical or thermomechanical pulps or papers, which still contain lignin, have enhanced resistance to yellowing when they contain an effective stabilizing amount of a hindered amine compound which preferably is a nitroxi... | 12/31/2002 |
| 6488813 | Blocked urethane prepolymers as paper wet strength agent Paper with increased wet strength is produced by adding to the stock a water soluble blocked urethane prepolymer having a plurality of blocked isocyanate groups and hydrophilic groups. The blocking agent is a phenol compound having an electron-attracting ... | 12/03/2002 |
| 6447644 | Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives Pulps or papers, especially chemimechanical or thermomechanical pulps or papers, which still contain lignin, have enhanced resistance to yellowing when they contain an effective stabilizing amount of a hindered amine compound which preferably is a nitroxi... | 09/10/2002 |
| 6432271 | Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or nonionic dispersion polymers This invention is directed to a method of increasing retention and drainage in a papermaking furnish comprising adding to the furnish an effective flocculating amount of a high molecular weight water-soluble anionic or nonionic dispersion polymer.... | 08/13/2002 |
| 6372087 | Soft, bulky single-ply absorbent paper having a serpentine configuration Single-ply absorbent tissue paper wherein of the fibers incorporated in the web: (a) at least 20% by weight have a coarseness exceeding 23 mg/100 m; (b) at least about 20% by weight have a coarseness of less than about 12 mg/100 m; and (c) the weight aver... | 04/16/2002 |
| 6334931 | Soft, bulky single-ply tissue having a serpentine configuration and low sidedness The present invention relates to a soft, thick, single-ply tissue having a serpentine configuration and to a process for the manufacture of such tissue product having a basis weight of at least about 15 lbs. per 3000 square foot ream and having low sidedn... | 01/01/2002 |
| 6331358 | Wet friction material and process for producing the same A wet friction material is mainly composed of a fiber base material, a filler, an friction adjusting agent and a thermosetting resin. The wet frictional material is prepared by impregnating with a liquid thermosetting resin a paper formed by mixing a pape... | 12/18/2001 |
| 6306256 | Retention agent A method and an agent for improving the retention when dewatering a cellulosic fiber suspension are disclosed In the method, there is added to the suspension a retention agent containing a phenol-formaldehyde resin and a polyethylene oxide, and the method... | 10/23/2001 |
| 6303002 | Method for producing paper, pulpboard and cardboard Paper, board and cardboard are produced from paper stocks which contain tacky impurities by the addition of surfactants and cationic polymers having a charge density of at least 1.5 meq/g (measured at pH 7) and a molar mass Mw of the cationic p... | 10/16/2001 |
| 6280570 | Method of manufacturing a soft, bulky single-ply absorbent paper having a serpentine configuration The present invention relates to a process of making a soft, thick, single-ply, absorbent paper in the form of a bathroom tissue, facial tissue, or napkin wherein the cellulosic fibers incorporated in the furnish comprise: (a) at least 20 percent by weigh... | 08/28/2001 |
| 6261414 | Laminate base material, method of preparing the same, prepreg and laminate The present invention relates to a method of producing a laminate base material useful for preparing a prepreg or a laminate for electronic equipment such as printed board. The method comprises the steps of: (1) preparing a slurry comprising para-aramid fibers... | 07/17/2001 |
| 6254724 | Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives Pulps or papers, especially chemimechanical or thermomechanical pulps or papers, which still contain lignin, have enhanced resistance to yellowing when they contain an effective stabilizing amount of a hindered amine compound which preferably is a nitroxi... | 07/03/2001 |
| 6153053 | Soft, bulky single-ply absorbent paper having a serpentine configuration and methods for its manufacture The present invention relates to a soft, thick, single-ply, absorbent paper in the form of a bathroom tissue, facial tissue, or napkin wherein the cellulosic fibers incorporated in the furnish comprise: (a) at least 20 percent by weight of the fibers in t... | 11/28/2000 |
| 6146497 | Adhesives and resins, and processes for their production Additives for addition to starting materials in cellulose based products for imparting strength and crepe. Additives for use in paper production which impart strength to the product and which can be used in creping adhesives. Enzyme activated resins for u... | 11/14/2000 |
| 6143131 | Soft bulky single-ply tissue having low sidedness and method for its manufacture The present invention relates to a soft, thick, single-ply tissue and to a process for the manufacture of such tissue product having a basis weight of at least about 15 lbs./3,000 square foot ream and having low sidedness, said tissue exhibiting: a specif... | 11/07/2000 |
| 6033524 | Selective retention of filling components and improved control of sheet properties by enhancing additive pretreatment A method for increasing retention and drainage of filling components in a paper making furnish in a paper making process comprising the steps of: making a slurry of filling components, treating the slurry with from about 0.003% to about 2.0% by weight bas... | 03/07/2000 |
| 5989391 | Reaction product of sulfonated amino resin and amino group-containing substance and papermaking process A product obtained by reacting a sulfonated amino resin and an amino group-containing substance in a weight ratio of from 1:0.05 to 1:3.... | 11/23/1999 |
| 5894049 | Manufacture of friction material using fiber oriented paper An improved friction material may be made having reinforcing fibers aligned generally perpendicular to the friction surface of said material by forming a paper of fibrous friction materials such that the fibers in the paper are aligned closely to the long... | 04/13/1999 |
| 5824192 | Method and adjuvant composition to improve retention of particles on a wire screen Disclosed is a method for the production of paper and an adjuvant composition comprising the following ingredients: 30 to 80% by weight of phenolic resin or modified phenolic resin; 10 to 50% by weight of melamine resin; and 5 to 35% by weight of at least... | 10/20/1998 |
| 5824191 | Process for making a paper based product employing a polymeric latex binder The present invention provides a process for making a paper based product which comprises a paper sheet, an aqueous latex binder and a release agent comprised of an emulsion of lecithin and a fatty acid or derivative thereof. In one embodiment, the proces... | 10/20/1998 |
