| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 01/30/2007 | US7169258 Papermaking, cardboard |
| 01/30/2007 | US7169230 Coater apparatus |
| 01/25/2007 | WO2006013173A3 Method for applying a liquid or pasty application medium to a continuous paper or cardboard web, and paper or cardboard machine for carrying out said method |
| 01/25/2007 | WO2005111306A8 Board comprising hydrotalcite |
| 01/24/2007 | EP1745175A2 Treatment composition for making acquisition fluff pulp in sheet form |
| 01/24/2007 | EP1135555B1 Paper making method using a novel retention system comprising a precipitated silica and a cationic polymer |
| 01/24/2007 | CN1296559C Method for producing coated paper for printing and coated paper |
| 01/23/2007 | US7166190 Methods for forming a fluted composite |
| 01/23/2007 | CA2287390C Scrim-like paper wiping product and method for making the same |
| 01/18/2007 | WO2007006369A1 Method and device for loading fibres in a fibre suspension with filler |
| 01/18/2007 | US20070012413 Wallpaper and method for production thereof |
| 01/18/2007 | DE112005000532T5 Verfahren und Vorrichtung zum Aufbringen eines Beschichtungs- und/oder Verarbeitungsmittels auf eine Faserbahn Method and apparatus for applying a coating and / or processing agent to a fibrous web |
| 01/18/2007 | DE102006003721A1 Loading of a fibrous material suspension for paper production, comprises dissoluting the fibrous material to form the suspension, adding liquid/dry calcium hydroxide/calcium oxide to the material/to the suspension |
| 01/18/2007 | DE102006003647A1 Loading of cellulose fiber suspension with calcium hydroxide filler, comprises controlling the concentration of filler in vat, dump chest, machine chest and/or in a pipeline by recirculation and/or bypass mechanism |
| 01/18/2007 | DE102005032770A1 Application medium supply system to supply pasty/liquid medium to application aggregate of an application device, comprises medium delivery mechanism, line arrangement, degassing facility bound to the arrangement, and supply system section |
| 01/17/2007 | EP1509654B1 Method for manufacturing base paper for release paper |
| 01/17/2007 | CN1898439A Filler for papermaking process |
| 01/16/2007 | CA2291733C Absorbent towel/wiper with reinforced surface and method for producing same |
| 01/11/2007 | WO2007003059A1 Device for spraying different media at great speed |
| 01/11/2007 | WO2006071175A3 Composition and its use in papermaking |
| 01/11/2007 | US20070010386 Packaging material consisting of an at least double-layered composite material for producing containers for packing liquids |
| 01/11/2007 | DE112005000426T5 Verfahren zum Streichen einer Papier-/Kartonbahn mit einer Vorhangstreicheinrichtung Method for coating a paper / board web with a curtain coater |
| 01/11/2007 | DE112005000425T5 Verfahren zum Streichen einer Papier-/Kartonbahn Method for coating a paper / board web |
| 01/11/2007 | DE102005030945A1 NIP-Beschichtung NIP-coating |
| 01/11/2007 | CA2614222A1 Device for spraying different media at great speed |
| 01/10/2007 | EP1740769A1 Method for the production of paper and cardboard, corresponding novel retention and draining agents, and paper and cardboard thus obtained |
| 01/10/2007 | CN1891904A Anticounterfeit paper, aud its manufacturing method and apparatus |
| 01/09/2007 | CA2335297C Method for optimizing the degree of flocculation |
| 01/09/2007 | CA2282211C Process for preparing a paper web |
| 01/09/2007 | CA2054829C Clay compositions and their use in papermaking |
| 01/04/2007 | WO2006005738A3 Method for the application of an application medium and method and machine for production of a fibre web |
| 01/04/2007 | DE102005029613A1 Vorrichtung zur Dosierung und/oder Egalisierung Device for metering and / or leveling |
| 01/04/2007 | DE102005028822A1 Verfahren zum Herstellen von thermosensitivem Papier A method of producing thermosensitive paper |
| 01/03/2007 | EP1738026A1 Paper tissue with high lotion transferability |
| 01/03/2007 | EP1738024A1 Protecting device for spraying equipment and method of protecting it and its surroundings |
| 01/03/2007 | EP1062389B1 Method and arrangement for coating a moving web of paper or board |
| 01/03/2007 | CN1890433A A method for monitoring the presence of biofilm-forming microorganisms in paper industry |
| 01/02/2007 | US7156955 Papermaking process using a specified NSF to silica-based particle ratio |
| 12/28/2006 | WO2006137328A1 Process for producing coated paper and coated paper |
| 12/28/2006 | WO2006136651A1 Method of producing a fibrous web |
| 12/28/2006 | WO2006069904A3 Method and device for treating a continuous web of paper, cardboard or of another fibrous substance |
| 12/28/2006 | US20060289140 Method for treating secondary fiber to achieve wet strength while retaining repulpability |
| 12/28/2006 | US20060289139 Retention and drainage in the manufacture of paper |
| 12/28/2006 | US20060289138 Treating a fibrous cellulosic product, especially retarding the rate of water loss from or increasing crush strength of a food such as a fruit, by immersing it in an emulsion containing a wax from a hydrogenated vegetable oil having an iodine value of less than 10 and a surfactant |
| 12/28/2006 | US20060289137 Retention and drainage in the manufacture of paper |
| 12/28/2006 | DE102005027831A1 Coating of a moving paper, cardboard or other fibrous material web within a machine for producing fibrous material web, comprises spraying of coating medium in form of spraying jets or droplets to the fiber web using spray coater |
| 12/28/2006 | CA2611272A1 Method of producing a fibrous web comprising a filler |
| 12/27/2006 | EP1337705B1 Method for the manufacture of paper, in particular of coated fine paper, and a paper machine line in particular for the manufacture of coated fine paper |
| 12/27/2006 | CN1884689A A porous carbon fiber paper for fuel cell with proton exchange membrane and preparation method thereof |
| 12/21/2006 | WO2006134597A2 Paper product and method therefor using molten wax suspension |
| 12/21/2006 | WO2006134052A1 Curtain coater with boundary layer detachment device |
| 12/21/2006 | US20060283566 Method for producing coated paper with pearlescent effect |
| 12/21/2006 | US20060283565 Making foam coated mats on-line |
| 12/21/2006 | DE102005027791A1 Vorrichtung zum Auftragen von flüssigen bis pastösen Suspensionen auf Papier- oder Kartonbahnen Apparatus for applying liquid to pasty suspensions on paper or cardboard webs |
| 12/20/2006 | EP1733802A1 Device for applying a liquid or pasty suspension on paper or board webs |
| 12/20/2006 | CN1291105C Tetiary flow-aid and filter-aid method for high speed newspaper machine |
| 12/20/2006 | CN1291104C The production of paper, paperboard, and cardboard |
| 12/20/2006 | CN1291103C Zinc oxide water damped printing plate paper and method for manufacturing same |
| 12/19/2006 | CA2329749C Method and arrangement for coating a moving web |
| 12/14/2006 | WO2006130907A1 Manufacture of an impregnated paper or non-woven |
| 12/14/2006 | WO2006076977A3 System and method for producing a fiber web |
| 12/13/2006 | EP0851783B1 Mixtures of aliphatic sulfonates, properties and applications thereof |
| 12/13/2006 | CN1876957A Process for manufacturing original paper for paper carrier tape for sheet-like electronic element |
| 12/13/2006 | CN1876956A Paper with high strength, high rigidity and high water resistance |
| 12/12/2006 | US7147446 Crosslinking agent application method and system |
| 12/07/2006 | US20060275575 Decorative paper with sprinkled corundum, coated with an adhesive |
| 12/06/2006 | EP1601726A4 Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making |
| 12/06/2006 | CN1288302C Method and apparatus for producing sized paper or board |
| 12/05/2006 | US7144474 Method of binding particles to binder treated fibers |
| 11/30/2006 | DE19882817B4 Streichstation und Streichverfahren Coating station and string method |
| 11/29/2006 | EP1554049B1 Nozzle |
| 11/29/2006 | CN1869333A Making method of fire-resistant writing paper |
| 11/29/2006 | CN1869332A Coating paper for printing and method of manufacturing same |
| 11/29/2006 | CN1286575C Coater for dispersed slurry |
| 11/28/2006 | CA2409047C Process for making paper |
| 11/28/2006 | CA2287535C Method of coating cellulosic and lignocellulosic webs |
| 11/28/2006 | CA2247211C Sizing paper utilizing neat liquid sizing compositions comprising anionic microparticulate material |
| 11/28/2006 | CA2144838C Prewettable high softness paper product having temporary wet strength |
| 11/23/2006 | WO2006122934A2 Method for producing paper, paperboard and cardboard in the presence of water-swellable polymers |
| 11/23/2006 | US20060260777 Surface-modified microparticles and methods of forming and using the same |
| 11/23/2006 | US20060260774 Anionic-cationic polymer blend for surface size |
| 11/23/2006 | US20060260773 Ligno cellulosic materials and the products made therefrom |
| 11/23/2006 | DE102005023608A1 Verfahren zur Herstellung von Papier, Pappe und Karton in Gegenwart von wasserquellbaren Polymeren Process for the manufacture of paper and cardboard in the presence of water-swellable polymers |
| 11/23/2006 | CA2608428A1 Method for producing paper, paperboard and cardboard in the presence of water-swellable polymers |
| 11/22/2006 | EP1722985A2 Decorative paper comprising electrically charged fibres |
| 11/22/2006 | CN1865589A Paper surface sizing method by multilayer spraying |
| 11/22/2006 | CN1865588A Method for making paper product having surface with sterilization and activation effect |
| 11/21/2006 | CA2277837C Electromagnetic field perturbation sensor and methods for measuring water content in sheetmaking systems |
| 11/21/2006 | CA2226959C Method of creping a paper |
| 11/16/2006 | WO2006044117A3 Temporary wet strength system for tissue paper |
| 11/16/2006 | DE102005021983A1 Multilayer coating of running board with a liquid or paste medium involves application of a precoat and a top coat especially using curtain and optionally also blade coating |
| 11/15/2006 | EP1720931A1 Epichlorohydrin based polymers containing primary amino groups as additives in papermaking |
| 11/15/2006 | CN1863967A Method for producing paper, paperboard and cardboard |
| 11/15/2006 | CN1863966A Coated paper for printing |
| 11/15/2006 | CN1863965A Compositions for reducing paper linting and dusting |
| 11/15/2006 | CN1284904C Process for preparing composite transfer straightly plated cardboard |
| 11/15/2006 | CN1284901C Method for finishing board |
| 11/09/2006 | US20060251819 Copolymer latex for non-contact coating, composition containing the same, coated paper and process for producing the same |
| 11/09/2006 | US20060249268 Anionic functional promoter and charge control agent with improved wet to dry tensile strength ratio |
| 11/09/2006 | US20060249266 Machine for making/treating a sheet of material |