Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8187425 | Apparatus for washing and dewatering pulp Apparatus for washing and dewatering pulp including a pair of rotatable press rolls with a permeable outer surface in a casing including a vat in which the press rolls are installed is provided. A gap is provided between the vat and the press rolls as well as means ... | 05/29/2012 |
| 8182651 | Sheet material comprising at least one watermark having a colored shade The present invention relates to a sheet material comprising at least one first layer defining an outer surface of the sheet material and having at least one first color, at least one second layer comprising at least one watermark and having at least one second colo... | 05/22/2012 |
| 8177940 | Apparatus and method for stabilizing a moving web having transitions in a surface adjacent the web A web stabilizer adapted to stabilize a web moving across a span between two components of a web machine or machines, the stabilizer including: a surface facing and adjacent the moving web, and at least one transition in the surface of the stabilizer, wherein the tr... | 05/15/2012 |
| 8163136 | Energy saving papermaking forming apparatus system, and method for lowering consistency of fiber suspension The present invention is directed to an apparatus used in the formation of paper. More specifically the present invention is directed to an apparatus, system, and method for lowering the consistency or degree of density of fiber suspension on the forming table, and ... | 04/24/2012 |
| 8163134 | Copolymer blend compositions for use to increase paper filler content Methods for making a heterogeneous polymer blend comprising one or more anionic polymers, one or more cationic polymers, and one or more non-ionic polymers, which method comprises (a) adding to a non-neutral solution a first amount of polymerization initiator and on... | 04/24/2012 |
| 8157965 | Sheet forming machine [Problem] It provides a sheet forming machine which can make the thickness in the width direction of a sheet forming body be uniform, and also can obtain a sheet forming body which is integrated in stripe shapes by using different raw materials or raw materials of d... | 04/17/2012 |
| 8157966 | Apparatus for removing gas in connection with a paper machine or corresponding An apparatus in connection with wire water treatment in the approach system of a paper machine, board machine or corresponding web formation machine, which apparatus includes a deaeration tank connected to devices for generating a vacuum inside the deaeration tank. ... | 04/17/2012 |
| 8152965 | Method and device for emptying the floor of a soda recovery boiler The invention is related to a method for emptying a furnace floor in a soda recovery boiler when the soda recovery boiler is being shut down. The emptying may be started while smelt is still flowing in smelt spouts. The floor is emptied by sucking smelt from the fur... | 04/10/2012 |
| 8152962 | Method for producing paper with a high substance weight A process for producing paper of high basis weight by draining a paper pulp on a wire in the presence of a combination of at least two polymers as a retention and drainage aid system, forming sheets, and drying the sheets, which comprises forming the sheets in the a... | 04/10/2012 |
| 8147651 | Use of cyclodextrins for odor control in papermaking sludges, and deodorized sludge and products Methods to control and suppress odor in papermaking sludge are described. One method involves admixing sludge from a papermaking process and cyclodextrin to provide treated sludge with the cyclodextrin present in an effective amount to control odors in the treated s... | 04/03/2012 |
| 8137507 | Shoe press belt for paper-making machine and process for producing the same A shoe press belt for paper-making machine that reduces belt damages attributed to the friction between belt and shoe. The shoe press belt for paper-making machine having a wet paper contact surface and a shoe contact surface, is characterized in that the shoe press... | 03/20/2012 |
| 8133355 | Method for use in the wet end of a paper machine, cardboard machine or an equivalent web forming machine The invention relates to a method in the wet end of a web forming process. In the method, at least one electrode pair (102, 103) is placed in the wet end. The electrode pair (102, 103) is supplied with a current/voltage from a power source (100)... | 03/13/2012 |
| 8123906 | Functionalization of paper components Compositions and methods of producing paper-based materials are disclosed. In general, the techniques utilize an amine-containing polymer, such as chitosan, to functionalize one or more components of a mixture used to form materials such as paper-based materials. Su... | 02/28/2012 |
| 8101047 | Method of correcting gypsum crystal water effect on infrared moisture measurement Ash composition measurements of calcium carbonate and gypsum in paper is accomplished with a dual X-ray sensor system with one X-ray source that is powered at about 5.9 KV and a second X-ray source that is powered at about 4.2 KV. Corresponding detectors measure rad... | 01/24/2012 |
| 8097122 | Papermaking machine dewatering blade incorporating attachment mechanism Segments, typically ceramic, for use in dewatering blades for papermaking and similar machines comprise lower surfaces to each of which at least one interlock member is bonded. The segments are installed by inserting the interlock members into a channel in an interm... | 01/17/2012 |
| 8066849 | Absorbent sheet prepared with papermaking fiber and synthetic fiber exhibiting improved wet strength A wet-laid absorbent sheet includes a mixture of pulp-derived papermaking fibers and synthetic polymer fibers, a strength agent selected from carboxymethylcellulose and anionic starch as well as an epihalohydrin/amine functional wet strength resin. Also included is ... | 11/29/2011 |
| 8062476 | High strength paper and process of manufacture A preparation of high strength paper by incorporating a polymeric film into the paper web during the paper making process is provided. The polymeric film is either a cold water soluble film or hot water soluble film or water insoluble hydrophilic film or non soluble... | 11/22/2011 |
| 8057639 | System and method for preextraction of hemicellulose through using a continuous prehydrolysis and steam explosion pretreatment process A system has been developed for pretreating cellulosic biomass feed stock including: a first pressurized reactor receiving the feed stock, wherein the feed stock undergoes hydrolysis in the first pressurized reactor; a sealing device having a first pressurized coupl... | 11/15/2011 |
| 8052840 | Pulping additives for a reduction of resin from Kraft pulp Compositions and methods for the removal of resin from wood chips processed in a Kraft pulping process are disclosed. The method is particularly useful for removing triterpene and triterpenoid resin. ... | 11/08/2011 |
| 8048266 | Method of manufacturing a multilayer fibrous product A method of manufacturing a multilayer fibrous product. The product comprises at least two overlapping layers, each of which has a different fiber composition, and in the production of the product, chemical short stock is used at least partly. In the method, short s... | 11/01/2011 |
| 8048267 | Recording sheet with improved image waterfastness, surface strength, and runnability The present invention relates to a sizing or coating composition that, when applied to paper substrate, creates a substrate having improved waterfastness, surface strength, and surface strength as measured by resistance to abrasion. In addition, the present inventio... | 11/01/2011 |
| 8043473 | Method of deinking recovered paper The object of the present invention is to provide a process for producing deinked pulp from recovered paper containing stickies while preventing excessive reduction in the size of stickies, lowering the COD of effluents, and producing deinked pulp with a smaller res... | 10/25/2011 |
| 8038840 | Process for refining and producing cellulose, lignin and xylose from biomass material A process for refining and producing cellulose, lignin and xylose from biomass material comprises the following steps: pulverizing and screening the biomass material; and then dipping the biomass material in organic acid with lower boiling point and decomposing it i... | 10/18/2011 |
| 8029645 | Soft and strong fibrous structures and methods for making same Soft and strong fibrous structures and more particularly soft and strong fibrous structures that contains less softwood fibers than known fibrous structures and methods for making such soft and strong fibrous structures are provided. ... | 10/04/2011 |
| 8025768 | Latex-treated filler slurries for use in papermaking A continuous fiIter treatment process in which anionic polymer dispersions (latex) are added to common papermaking filler slurries ai ambient temperature and then mixed with water of temperature higher than the glass transition temperature (Tg) of the latex used. To... | 09/27/2011 |
| 8021516 | Use of water-soluble polymer complexes in aqueous systems A water-soluble interjacent complex that includes a first water-soluble polymer and one or more water-soluble monomers polymerized to form a second water-soluble polymer in the presence of the first water-soluble polymer. The water-soluble interjacent complex forms ... | 09/20/2011 |
| 8016979 | Chemical solution-containing thin paper A chemical solution-containing thin paper wherein a chemical solution is contained in an amount of 5 to 40% by weight with respect to base paper, powders are included in an amount of 0.1 to 30% by weight with respect to the chemical solution, the powders are formed ... | 09/13/2011 |
| 7998311 | Enhanced surface sizing of paper Size press compositions and methods for producing sized paper products, including liner board, are disclosed. The size press compositions contain at least one non-reactive cationic surface sizing agent, at least one reactive sizing agent, at least one promoter resin... | 08/16/2011 |
| 7988826 | Cationic surface sizing agent and paper coated with the same The invention improves a sizing effect even on paper containing no internal sizing agent and improves productivity by making solution polymerization in a small amount of an organic solvent. The invention provides a cationic surface sizing agent composed of a copolym... | 08/02/2011 |
| 7972479 | Process for the control of pitch The present invention relates to a process for the control of pitch in an aqueous medium by adding surface-reacted natural calcium carbonate or an aqueous suspension comprising surface-reacted calcium carbonate and having a pH greater than 6.0 measured at 20° C., t... | 07/05/2011 |
| 7959762 | Method for making biodegradable superabsorbent particles A method for making mixed polymer composite fibers in which a carboxyalkyl cellulose and a starch are blended in water to provide an aqueous gel; the aqueous gel treated with a first crosslinking agent to provide a crosslinked gel; the crosslinked gel mixed with a w... | 06/14/2011 |
| 7947152 | Doctor blade for the paper industry Doctor blade for the paper industry, comprising a scraping plate (1) and holding means (p) for the scraping plate which in turn are held by a frame (a) the ends of which are securely fastened (2) by two fastening points (pf) to a stationary structure (... | 05/24/2011 |
| 7938933 | Method for making mineral fiber paper Disclosed is a method for making fiber paper. In this method, mineral fibers and PVA resin are blended in water, thus forming first solution. Polymer fibers and PVA resin are blended in water, thus forming second solution. The first solution is mixed with the second... | 05/10/2011 |
| 7922867 | Method for producing paper, paperboard and cardboard having high dry strength Process for the production of paper, board and cardboard having high dry strength by separate addition of a polymer comprising vinylamine units and of ligninsulfonic acid and/or a ligninsulfonate to a paper stock, draining of the paper stock and drying of the paper ... | 04/12/2011 |
| 7918965 | Method for the production of paper, cardboard and card Process for the production of paper, board and cardboard by draining a paper stock with sheet formation in the presence of a retention aid system comprising (i) at least one polymer comprising vinylamine units, in the form of the free bases, of the salt... | 04/05/2011 |
| 7897012 | Sheet containing fibrous or tubular moisture adsorbent metal oxide This invention is to provide a sheet product that is excellent in moisture absorption amount, moisture absorption speed and moisture release speed and is capable of keeping a powder from falling off and that can have a large content of a moisture adsorbent, and the ... | 03/01/2011 |
| 7897011 | High quality paperboard and products made thereof The invention relates to a high quality paperboard comprising at least two plies, a first ply having good surface properties and strength, and a second ply for providing the paperboard with bulk wherein the second ply comprises hardwood CTMP. This paperboard has an ... | 03/01/2011 |
| 7892397 | Method of degumming cellulosic fibres A process for producing dissolving pulp includes a degumming step using a degumming liquor which includes hydrogen peroxide and ammonia. ... | 02/22/2011 |
| 7833384 | Method for making fiber having biodegradable superabsorbent particles attached thereto A method for making fibers having particles attached thereto, comprising blending a carboxyalkyl cellulose and a starch in water to provide an aqueous gel; treating the aqueous gel with a first crosslinking agent to provide a crosslinked gel; drying the crosslinked ... | 11/16/2010 |
| 5422468 | Deposit authorization system This invention relates to an enhanced transaction approval system for processing transactions in which a deposit is tendered for the purchase of goods and services. Specifically, the credit authorization system for a deposit transaction permits the exclus... | 06/06/1995 |
