| 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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| 06/11/2009 | US20090145566 Method for producing high dry strength paper, paperboard or cardboard |
| 06/11/2009 | CA2706358A1 Aqueous composition containing at least one soluble gelatinized anionic starch |
| 06/10/2009 | EP2066839A1 Process for improving wet strength and paper product with improved wet strength |
| 06/10/2009 | EP1552055A4 Method of dewatering pulp |
| 06/10/2009 | CN101454506A Use of starch with synthetic metal silicates for improving papermaking process |
| 06/10/2009 | CN100499959C Impregnated resin substrate |
| 06/10/2009 | CN100497812C Soft printing paper |
| 06/04/2009 | WO2009070647A1 Creping adhesives comprising blends of high and low molecular weight resins |
| 06/04/2009 | US20090139677 Aqueous alkylketene dimer dispersions |
| 06/04/2009 | US20090139676 Asa emulsification with ultrasound |
| 06/04/2009 | US20090139675 Fine-Particled Polymer Dispersions Containing Starch |
| 06/04/2009 | DE102007057846A1 Removing coloring particle, preferably printing ink particle from a fiber material comprises dissolving fiber material to form a suspension, adding calcium hydroxide and carbon dioxide into the suspension and removing the coloring particle |
| 06/04/2009 | CA2706446A1 Creping adhesives comprising blends of high and low molecular weight resins |
| 06/03/2009 | EP2064505A1 A method of operating a papermaking process |
| 06/03/2009 | EP2064265A1 Membrane separation process for removing residuals from polyamine-epihalohydrin resins |
| 06/03/2009 | CN100494566C Biocatalytic clean pulping agent and application process thereof |
| 06/02/2009 | US7541409 Reacting with water repellent; additive to paperstock in papermaking |
| 06/02/2009 | US7541014 vaporous SiCl4, a gas containing free oxygen (primary air) and a combustible gas are mixed together in a closed burner, then burnt in a flame in the flame tube of the burner, solid SiO2, obtained is separated from the gas mixture containing HCl by deacification; free O2 content is adjusted |
| 06/02/2009 | US7540941 Method and apparatus in the surface sizing of a paper or board web |
| 05/28/2009 | WO2009067514A1 A method of monitoring surface associated microbiological activity in process streams |
| 05/28/2009 | US20090133847 Process of using sodium silicate to create fire retardant products |
| 05/28/2009 | DE10307966C5 Vorimprägnat und Verfahren zu seiner Herstellung A prepreg and process for its preparation |
| 05/28/2009 | CA2706366A1 A method of monitoring surface associated microbiological activity in process streams |
| 05/27/2009 | EP2063024A1 Nano carbon crystal material and method of manufacturing electrothermal board by using the same |
| 05/27/2009 | CN101440590A Preparation of urea-formaldehyde resin coated mineral microparticle papermaking stuffing |
| 05/27/2009 | CN100491634C Paper making auxiliary agent composition |
| 05/27/2009 | CN100491402C Method for the cationization of legume starches, cationic starches thus obtained and applications thereof |
| 05/27/2009 | CN100491401C Process of preparing non-ionic starch by initiating irradiation |
| 05/26/2009 | US7537675 Composite co-structured or co-adsorbed, mineral or organic filler or pigment compounds and the use thereof |
| 05/26/2009 | CA2470803C Aqueous silica-containing composition and process for production of paper |
| 05/26/2009 | CA2416080C High speed manufacturing process for precipitated calcium carbonate employing sequential pressure carbonation |
| 05/22/2009 | WO2009062312A1 Stable vegetable or animal derived wax emulsions and uses therefor |
| 05/22/2009 | WO2008110456A3 Method of treating cellulosic materials with hydrophobins |
| 05/21/2009 | US20090126891 Method for Coating Cellulose Particles, Coated Cellulose Particles, and Use Thereof In Paper and Board production |
| 05/21/2009 | US20090126890 Glyoxalated N-vinylamine |
| 05/20/2009 | EP1141484B1 Method for accelerated degradation of mulch paper and mulch paper |
| 05/20/2009 | CN101435176A Cigarette paper for reducing harmful substance contents of carbon monoxide, oxynitride and phenols in cigarette smoke gas and preparation thereof |
| 05/20/2009 | CN101435175A Method for simultaneously producing sanitary napkin, pesticides farming fertilizer and anti-staling agent by agriculture and forestry appurtenance |
| 05/20/2009 | CN101435169A High performance wallpaper base paper pulp and process for producing wallpaper base paper using the same |
| 05/20/2009 | CN100489001C Water-soluble copolymer, high polymer flocculant and method of dehydrating sludge |
| 05/19/2009 | US7534323 Food packaging |
| 05/19/2009 | CA2201337C A method for increasing the hydrophobicity of printing papers and a hydrophobe composition for the method |
| 05/14/2009 | WO2009059725A2 Glyoxalated poly (n-vinylamine) |
| 05/14/2009 | US20090120601 Papermaking Process |
| 05/14/2009 | US20090120596 Removal of organic deposits from recycled fibers used for producing paper |
| 05/14/2009 | CA2704647A1 Glyoxalated n-vinylamine |
| 05/13/2009 | EP2058434A1 Herstellungsverfahren eines Papierblatts, das eine Fixierphase einer Mineralienladung auf Zellulosefasern umfasst |
| 05/13/2009 | EP2057316A1 Paper product and method for the production and use thereof |
| 05/13/2009 | CN101432483A A method for adding filler to a fibre suspension |
| 05/13/2009 | CN101432372A 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 |
| 05/13/2009 | CN101429743A Production method of surface sizing agent, sizing agent and use thereof |
| 05/13/2009 | CN100487192C Biological treatment method of non-wood pulp |
| 05/12/2009 | CA2418413C Process for sizing paper |
| 05/07/2009 | WO2009056730A2 Security film comprising an iridescent security mark |
| 05/07/2009 | WO2009056178A1 Method for the production of calcium carbonate in a fiber suspension |
| 05/07/2009 | WO2009056177A1 Method for forming a calcium carbonate in a fibrous suspension |
| 05/07/2009 | WO2008113887A8 Board, a method of manufacturing the same and a container made from it |
| 05/07/2009 | US20090114357 Temporary wet strength system for tissue paper |
| 05/07/2009 | US20090114356 Method of Producing a Fibrous Web |
| 05/07/2009 | DE19781630B4 Papierherstellungsverfahren und Verfahren zur Herstellung eines wasserlöslichen polypartikulären Polyaluminiumsilicatmikrogels Papermaking process and procedures for preparing a water-soluble polypartikulären Polyaluminiumsilicatmikrogels |
| 05/07/2009 | DE102007051665A1 Verfahren zur Bildung von Calciumcarbonat in einer Faserstoffsuspension A process for the formation of calcium carbonate in a fiber material suspension |
| 05/07/2009 | DE102007051664A1 Verfahren zur Bildung von Calciumcarbonat in einer Faserstoffsuspension II A process for the formation of calcium carbonate in a pulp suspension II |
| 05/07/2009 | CA2703057A1 Security film comprising an iridescent security mark |
| 05/06/2009 | EP2054461A2 Adhesive composition of low molecular weight polyaminopolyamide-epichlorohydrin (pae) resin and protein |
| 05/06/2009 | EP2054369A1 Process and apparatus for preparing alkyl esters of methacrylic acid |
| 05/06/2009 | EP0964956B1 Decorative paper sheet with a reduced capacity of absorbing resin and laminate comprising the same |
| 05/06/2009 | CN101424058A Production process of paper article packaging resin strong impregnation agent |
| 05/06/2009 | CN100485125C Method for the production of paper |
| 05/06/2009 | CN100484961C Irradition initiating process for preparing cationic starch |
| 05/05/2009 | CA2481870C Polysilicate microgels and silica-based materials |
| 04/30/2009 | WO2009053029A1 Inverse emulsion polymers containing a polymeric coagulant |
| 04/30/2009 | US20090111906 Use of Dispersants to Concentrate Mineral Matter in Water, Dispersions Obtained and Their Uses |
| 04/30/2009 | US20090111155 Modified xylanase exhibiting improved expression |
| 04/30/2009 | US20090107645 Process for the Production of a Paper and a Paper Produced According to the Process |
| 04/30/2009 | CA2703601A1 Inverse emulsion polymers containing a polymeric coagulant |
| 04/29/2009 | CN101421460A Paper substrate comprising vapour deposited triazine, and process and apparatus for making a laminate comprising said substrate |
| 04/29/2009 | CN101421459A Paper substrate comprising vapour deposited triazine, and process for making a laminate comprising said substrate |
| 04/29/2009 | CN101421321A Polyvinyl alcohol resin and use thereof |
| 04/28/2009 | US7524550 Carbon-containing paper and panel |
| 04/28/2009 | CA2390639C Process and composition for preparing a lignocellulose-based product, and the product obtained by the process |
| 04/28/2009 | CA2381356C Method for fixing a mineral filler on cellulosic fibres and method for making a sheet of paper |
| 04/23/2009 | WO2009050138A1 Anti-foaming agent for the paper industry |
| 04/23/2009 | CA2699792A1 Anti-foaming agent for the paper industry |
| 04/22/2009 | EP2050870A1 Method of manufacturing a decorative sheet of paper with reduced resin-absorbing capacity. |
| 04/22/2009 | EP1697587B1 Paper comprising quaternary nitrogen containing cellulose ether |
| 04/22/2009 | EP1092064B2 Method for making paper and cardboard |
| 04/22/2009 | CN101413227A Cotton pulp steam boiling additive |
| 04/21/2009 | CA2260537C Noil for use in paper manufacture, method for its production, and paper pulp and paper containing such noil |
| 04/16/2009 | WO2006113519A3 The use of alkenyl succinic anhydride compounds derived from symmetrical olefins in internal sizing for paper production |
| 04/15/2009 | EP2048282A1 Use of fatty acid condensation products for increasing the volume of paper and cardboard |
| 04/15/2009 | CN101408013A Bamboo and wood stuffing and producing method thereof |
| 04/15/2009 | CN101408008A Method and equipment for producing moulding corrugated paper sheet by using waste paper |
| 04/14/2009 | US7517433 Facial tissue having a specific surface volume ratio of 0.08-0.35 mm3/mm2, a polydialkylsiloxane content of 0.4-5 %, a Hercules size test of 7-50 seconds, a coefficient of friction of 0.50-0.60 and a mucus removal of 30-70 %; high softness and hand protection in combination with improved cleaning |
| 04/14/2009 | CA2395644C Emulsification of alkenyl succinic anhydride size |
| 04/14/2009 | CA2338948C Oxidation of starch |
| 04/09/2009 | WO2009043971A1 Method for controlling deposit formation |
| 04/09/2009 | WO2009043860A1 Amino alkyl vinyl ethers containing ethylene imine units, method for the production thereof, and the use thereof |
| 04/09/2009 | WO2009043110A1 Method for manufacturing sheet material |
| 04/09/2009 | WO2009018214A3 Aqueous cationic thermosetting resin and method of stabilization thereof |
| 04/09/2009 | WO2008135901A3 Soft tissue paper having a chemical softening agent applied onto a surface thereof |