| Patents for D21H 17 - Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution (19,322) |
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| 02/11/2009 | CN101363204A Aqueous suspensions of fine particulate fillers, method for producing the same and use thereof for producing papers having a high filler content and a high dry strength |
| 02/11/2009 | CN101363203A Aqueous suspensions of fine particulate fillers, method for producing the same and use thereof for producing papers having a high filler content and a high dry strength |
| 02/11/2009 | CN100460595C Environment-friendly pulping agent and process |
| 02/10/2009 | US7488403 Blends of glyoxalated polyacrylamides and paper strengthening agents |
| 02/10/2009 | US7488402 Process for production of paper |
| 02/10/2009 | CA2225642C Soft, bulky single-ply tissue having a serpentine configuration and low sidedness and method for its manufacture |
| 02/05/2009 | WO2009018214A2 Aqueous cationic thermosetting resin and method of stabilization thereof |
| 02/05/2009 | WO2009017781A2 Modified vinylamine-containing polymers as additives in papermaking |
| 02/05/2009 | US20090038023 Lyase Enzymes, Nucleic Acids Encoding Them and Methods For Making and Using Them |
| 02/05/2009 | CA2695400A1 Modified vinylamine-containing polymers as additives in papermaking |
| 02/05/2009 | CA2695007A1 Method of stabilizing aqueous cationic polymers |
| 02/04/2009 | CN201190776Y Novel toothed ring for synchronizator for automobile |
| 02/04/2009 | CN101360793A Titanium dioxide pigment featuring great opacity, and method for the production thereof |
| 02/04/2009 | CN101358437A Method for producing aqueous suspensions of fine particulate fillers and use thereof for producing papers having a high filler content and a high dry strength |
| 02/03/2009 | CA2450235C Aqueous composition |
| 01/29/2009 | WO2009013913A1 Internal sizing agent for papermaking and use thereof |
| 01/29/2009 | WO2009013423A2 Water-soluble post-branched cationic acrylamide polymers and use thereof |
| 01/29/2009 | US20090025897 Inorganic board and method for manufacturing the same |
| 01/29/2009 | US20090025896 Control of the Thikening of Silicate-Containing Aqueous Systems |
| 01/29/2009 | US20090025895 Process for the Manufacture of Paper and Board |
| 01/29/2009 | US20090025894 Fibrous structures and methods for making same |
| 01/29/2009 | US20090025891 Composition and method for improving retention and drainage in papermaking processes by activating microparticles with a promoter-flocculant system |
| 01/29/2009 | CA2694550A1 Composition and method for improving retention and drainage in papermaking processes by activating microparticles with a promoter-flocculant system |
| 01/28/2009 | EP2018405A2 Use of composite materials based on carbon nanotubes as thickening agents for aqueous solutions |
| 01/28/2009 | CN101356315A Dry strength system for the production of paper and board |
| 01/28/2009 | CN101356314A Improved cellulose articles containing an additive composition |
| 01/28/2009 | CN101353871A Natural color wiping paper and preparation thereof |
| 01/28/2009 | CN101353868A Alkaline process cooking method for preparing high-hardness pulp from gramineae plants |
| 01/28/2009 | CN100455723C Preparation methodof edible package paper |
| 01/28/2009 | CN100455721C Reinforcement agent for yarn tube paper and its preparing method |
| 01/28/2009 | CN100455668C Enzyme-catalyzed polyamides and compositions and processes of preparing and using same |
| 01/27/2009 | US7482417 (Meth)acrylamide polymer that has low viscosity and good dispersibility and fluidity, which is accomplished by using a cationic monomer having the function of lowering the viscosity of a polymer; provides a paper strengthening effect and an increase in sizing degree |
| 01/27/2009 | US7481905 Treatment with a percarboxylic acid, especially distilled peracetic acid, followed by treatment with a combination of a rosin size and a neutral size improves penetration resistance |
| 01/22/2009 | WO2009010483A2 Filler composition |
| 01/22/2009 | WO2009009821A1 A method for treating a paper product |
| 01/22/2009 | WO2008113934A3 Cationic copolymers derived from acrylamides and use thereof |
| 01/22/2009 | WO2008028865A9 Glyoxalation of vinylamide polymer |
| 01/22/2009 | WO2008003025A8 Packaging material for food items containing permeating oils |
| 01/22/2009 | US20090023816 Process for making a solid compound by precipitation, suspensions of solid in liquids and solids obtained by the process and their use as additives |
| 01/22/2009 | US20090020250 Filled Paper and Method of Manufacturing the Same |
| 01/22/2009 | US20090020249 Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making |
| 01/22/2009 | US20090020247 Paper with improved stiffness and bulk and method for making same |
| 01/22/2009 | DE102007033596A1 Beschichtungsmittel mit hoher Bewitterungsbeständigkeit, Verfahren zu deren Herstellung und deren Verwendung Coating agent with high weathering resistance, methods for their preparation and their use |
| 01/22/2009 | CA2693903A1 Filler composition |
| 01/22/2009 | CA2692694A1 A method for treating a paper product |
| 01/21/2009 | EP2017076A1 Flame resistant cardboard or fibre laminate |
| 01/21/2009 | EP1558808A4 High temperature paper containing aramid component |
| 01/21/2009 | CN101351596A A paper substrate having enhanced print density |
| 01/21/2009 | CN101351510A Use of co-grinding agents in a method for producing natural calcium carbonates and co-ground precipitations, obtained suspensions and dry pigments and the use thereof |
| 01/15/2009 | WO2009009637A1 Paper making compositions and processes using protein particulate, colloidal pigment, and latex polymer combinations |
| 01/15/2009 | US20090017223 Pre-preg and laminate manufacture |
| 01/15/2009 | US20090014902 Method for Dissolving Cellulose and for Producing Cellulose Particles |
| 01/15/2009 | US20090014141 Papers for liquid electrophotographic printing and method for making same |
| 01/15/2009 | CA2692953A1 Paper making compositions and processes using protein particulate, colloidal pigment, and latex polymer combinations |
| 01/14/2009 | EP2014829A1 A method for coating a paper product |
| 01/13/2009 | US7476272 Aluminum trihydrate containing slurries |
| 01/08/2009 | WO2009004079A1 Method for producing aqueous suspensions of fine particulate fillers and use thereof for producing papers having a high filler content and a high dry strength |
| 01/08/2009 | WO2009004078A1 Aqueous suspensions of fine particulate fillers, method for producing the same and use thereof for producing papers having a high filler content and a high dry strength |
| 01/08/2009 | WO2009004077A1 Aqueous suspensions of fine particulate fillers, method for producing the same and use thereof for producing papers having a high filler content and a high dry strength |
| 01/08/2009 | WO2009003770A1 Process for making paper and use of an acid/base treatment in papermaking |
| 01/08/2009 | WO2008139160A3 Paper for laminate flooring and a process for the manufacture thereof |
| 01/08/2009 | WO2008100492A3 Alkanolamine-stabilized dispersed rosin sizing agents and their preparation |
| 01/08/2009 | WO2005078191A3 Method for surface treating corrugated base papers in order to increase strenght |
| 01/08/2009 | US20090008052 Chemical Solution-Containing Thin Paper |
| 01/08/2009 | US20090008051 Wet strength enhancers for paper |
| 01/08/2009 | US20090008050 Methods for producing wet-spun non-woven fabrics |
| 01/08/2009 | DE102007030406A1 Use of an algae extract for the temporary or permanent dressing of surfaces, reducing adhesion of biological material, preferably microorganisms or proteins, on surfaces and in detergents, cleaning agents and hand-washing agent |
| 01/08/2009 | CA2692303A1 Preparation of aqueous slurries of finely divided fillers and their use for the production of papers having a high filler content and high dry strength |
| 01/08/2009 | CA2692301A1 Preparation of aqueous slurries of finely divided fillers and their use for the production of papers having a high filler content and high dry strength |
| 01/08/2009 | CA2692299A1 Aqueous slurries of finely divided fillers, a process for their preparation and their use for the production of papers having a high filler content and high dry strength |
| 01/08/2009 | CA2692297A1 Aqueous slurries of finely divided fillers, a process for their preparation and their use for the production of papers having a high filler content and high dry strength |
| 01/08/2009 | CA2691590A1 Process for making paper and use of an acid/base treatment in papermaking |
| 01/07/2009 | EP2010711A2 Improved paper for gypsum wallboard |
| 01/07/2009 | EP2010611A1 Method of treatment of mineral materials by amphoteric polymers, mineral materials obtained, their use as an agent to reduce colloidal quantities in the production of steam |
| 01/07/2009 | EP2010311A2 Aqueous dispersion of precipitated calcium carbonate starting from at least one dispersing agent comprising a compound carrying fluoride ions |
| 01/07/2009 | EP1309662B1 Triarylmethane dyes |
| 01/07/2009 | EP1100751B2 Preparation of anionic nanocomposites and their use as retention and drainage aids in papermaking |
| 01/07/2009 | CN101341298A Nanostructured repellent fibrous material |
| 01/07/2009 | CN101341217A Use of dispersants to concentrate minerals in water, dispersions obtained and uses thereof |
| 01/07/2009 | CN101338535A Composite modified attapulgite special for filling paper products and method for preparing same |
| 01/07/2009 | CN100448858C Method in internal sizing of liquid packaging board and internal size |
| 01/06/2009 | US7473713 Additives for water-resistant gypsum products |
| 01/06/2009 | US7473712 Wax; C24-C34 polymerized methylene-coupled alkylphenol; alkali metal polynaphthalenesulfonate; water; and a starch complexed with e.g., a borate or a molybdenum compound; lignocellulosic composite fiber or particle board that is dimensionally stable when exposed to moisture |
| 01/06/2009 | US7473334 Polymerization of diallyldimethylammonium chloride and the acrylamide in presence of chain transfer sodium formate and crosslinking agent; for increasing retention and drainage in a papermaking furnish |
| 01/06/2009 | CA2443065C Method for recycling pulp rejects |
| 01/06/2009 | CA2330057C A method of producing a fiber product |
| 01/02/2009 | DE102007030102A1 Vorimprägnat Preimpregnate |
| 01/02/2009 | DE102007029688A1 Verfahren zum Bilden von Füllstoffen, insbesondere Calciumcarbonat in einer Suspension A method of forming fillers, in particular calcium carbonate in a suspension |
| 01/02/2009 | DE102007029686A1 Verfahren zum Bilden von Calciumcarbonat in einer Faserstoffsuspension A method for forming calcium carbonate in a fiber material suspension |
| 01/01/2009 | US20090001627 Lignocellulosic composite material and method for preparing the same |
| 01/01/2009 | US20090000752 Use of Cyclodextrins For Odor Control In Papermaking Sludges, and Deodorized Sludge and Products |
| 12/31/2008 | WO2009000769A1 Pre-impregnated product |
| 12/31/2008 | WO2009000768A1 Ink-jet-printable decorative paper |
| 12/31/2008 | WO2009000346A1 Method of forming calcium carbonate in a pulp suspension |
| 12/31/2008 | WO2009000345A1 Method of forming fillers, especially calcium carbonate, in a suspension |
| 12/31/2008 | WO2009000243A1 Filament fibre sizing agent and use thereof |
| 12/31/2008 | EP1692230B1 Rapid dispersing hydrous kaolins |
| 12/31/2008 | EP1114105B1 Precipitated calcium carbonate product having improved brightness and method of preparing the same |
| 12/31/2008 | CN101333786A Additive agent for inner lining paper of cigarette inner wrapper and method for preparing same |
| 12/31/2008 | CN101333774A Process for making full-degradable paper mulching film for agricultural use from agronomic crop stalks |