Patents
Patents for D21H 21 - Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties (20,755)
06/2009
06/02/2009CA2379527C Water soluble retention agent
05/2009
05/28/2009WO2009067382A1 Fluorometric method for monitoring surface additives in a papermaking process
05/28/2009WO2009065829A1 Deposit control
05/28/2009US20090136722 Wet formed fibrous structure product
05/28/2009US20090133847 Process of using sodium silicate to create fire retardant products
05/28/2009CA2705293A1 Fluorometric method for monitoring surface additives in a papermaking process
05/27/2009EP2063024A1 Nano carbon crystal material and method of manufacturing electrothermal board by using the same
05/27/2009EP2062204A1 Security structure, particularly for a security document and/or a valuable document
05/27/2009EP2061606A1 Method for controlling surface contact area of a paper or board substrate
05/27/2009CN101443517A Method and apparatus for the surface treatment of paper/board
05/27/2009CN101443516A Prevention of bacterial spore formation in a broke system ofa board machine
05/27/2009CN101443515A Use of polyvinylamine to improved oil and water sizing in cellulosic products
05/27/2009CN101440591A Fluorescent fibre for anti-counterfeiting document and anti-counterfeiting file
05/27/2009CN101440588A Base paper of paper yarn for textile and preparation technique
05/27/2009CN101440152A Preparation and use of cation aqueous polyurethane emulsion
05/27/2009CN100491634C Paper making auxiliary agent composition
05/27/2009CN100491402C Method for the cationization of legume starches, cationic starches thus obtained and applications thereof
05/26/2009CA2470803C Aqueous silica-containing composition and process for production of paper
05/22/2009WO2009063508A2 Nanoparticle composition and process thereof
05/22/2009WO2009062312A1 Stable vegetable or animal derived wax emulsions and uses therefor
05/20/2009EP2059635A1 Methods to control lipophilic extractives in acacia wood pulp and fiber
05/20/2009DE102007052477A1 Verfahren zur Herstellung eines Sicherheitsmediums und Sicherheitsmedium A method of producing a security medium and security medium
05/20/2009CN101438005A Paperboard material with expanded polymeric microspheres
05/20/2009CN101438004A Security paper material, in particular for labelling and packaging, and manufacturing method thereof
05/20/2009CN101437693A Security substrate comprising watermark
05/20/2009CN101435927A Composite anti-counterfeiting element and valuable goods provided with the same
05/20/2009CN101435173A Paper making neutral sizing agent and preparing method thereof
05/20/2009CN101435172A Cation dispersed common resin surface sizing agent
05/20/2009CN101435171A Method for producing recuperated yarn tube base paper by using waste slag and product thereof
05/20/2009CN101435169A High performance wallpaper base paper pulp and process for producing wallpaper base paper using the same
05/20/2009CN101434663A Method for separating hemicellulose in high yield pulp waste liquor and use of hemicellulose separated thereby
05/20/2009CN100489668C Paper, image-recording material support, and image-recording material
05/19/2009US7534323 Food packaging
05/19/2009CA2402835C Creping release aid
05/19/2009CA2201337C A method for increasing the hydrophobicity of printing papers and a hydrophobe composition for the method
05/14/2009WO2009059888A1 New fiber products
05/14/2009WO2009059725A2 Glyoxalated poly (n-vinylamine)
05/14/2009US20090120601 Papermaking Process
05/14/2009US20090120596 Removal of organic deposits from recycled fibers used for producing paper
05/14/2009CA2704647A1 Glyoxalated n-vinylamine
05/14/2009CA2702732A1 New fiber products
05/13/2009EP2057316A1 Paper product and method for the production and use thereof
05/13/2009EP2057267A2 Method for dissolving charged nucleic acid in an organic liquid
05/13/2009CN101429744A Hydrogen peroxide stabilizing agent in Chinese red pine paper-pulp bleaching process
05/13/2009CN101429743A Production method of surface sizing agent, sizing agent and use thereof
05/13/2009CN101429742A Surface sizing additive for papermaking
05/13/2009CN101429345A Process for producing triazine toluylene liquid fluorescent whitening agents
05/13/2009CN101429344A Process for producing hexa-sulphonic acid liquid fluorescent whitening agents
05/13/2009CN100487194C Preparation for nano silica sol as papermaking auxiliary agent
05/13/2009CN100486805C Object identifying medium using multi-layer thin-film
05/12/2009US7531107 2-amino-2-methyl-1-propanol and sulfo-group-containing fluorescent whitening agent; high solubility in water and by high storage stability of the aqueous solutions
05/12/2009CA2418413C Process for sizing paper
05/07/2009WO2009057963A2 Method for manufacturing packing paper and packing paper manufactured by the same
05/07/2009WO2009056730A2 Security film comprising an iridescent security mark
05/07/2009WO2009056728A1 Security structure comprising a thermochromic element and a photochromic element
05/07/2009WO2008113887A8 Board, a method of manufacturing the same and a container made from it
05/07/2009US20090114357 Temporary wet strength system for tissue paper
05/07/2009US20090114356 Method of Producing a Fibrous Web
05/07/2009US20090114354 Absorbent paper product having printed indicia with a wide color palette
05/07/2009DE19781630B4 Papierherstellungsverfahren und Verfahren zur Herstellung eines wasserlöslichen polypartikulären Polyaluminiumsilicatmikrogels Papermaking process and procedures for preparing a water-soluble polypartikulären Polyaluminiumsilicatmikrogels
05/07/2009CA2703169A1 Security structure comprising a thermochromic element and a photochromic element
05/07/2009CA2703057A1 Security film comprising an iridescent security mark
05/06/2009EP2054551A1 Tissue products containing non-fibrous polymeric surface structures and a topically-applied softening composition
05/06/2009EP2054550A1 Method for treating cellulose-containing fibers or planar structures containing cellulose-containing fibers
05/06/2009EP2054235A1 Method for the production of a coating composition, and coated substrate
05/06/2009EP1592303B1 Treating slurries
05/06/2009CN101426883A Inorganic optical brightener
05/06/2009CN101424059A False proof material and false proof detection method
05/06/2009CN101424058A Production process of paper article packaging resin strong impregnation agent
05/06/2009CN100485125C Method for the production of paper
05/06/2009CN100485124C Water written Xuan paper
05/05/2009CA2481870C Polysilicate microgels and silica-based materials
04/2009
04/30/2009WO2009054415A1 Sheet-like article and method for producing the same
04/30/2009WO2009053673A1 Improvements in security elements
04/30/2009WO2009053622A2 Sheet having at least one watermark or pseudo-watermark observable only on one side of the sheet
04/30/2009WO2009053391A2 Security element
04/30/2009WO2009052960A2 Coating formulation for an offset paper and paper coated therewith
04/30/2009WO2008011523A3 Improved compositions and processes for paper production
04/30/2009US20090108578 Security devices for security substrates
04/30/2009US20090107644 Dry Strength System for the Production of Paper and Board
04/30/2009DE102005013962B4 Dokumentenpapier mit aufgedrucktem Sicherheitselement und Verfahren zum Erstellen fälschungsgeschützter Dokumente Bond paper with printed security element and method of creating tamper-proof documents
04/30/2009CA2703342A1 Security element having reflective and light scattering layers
04/30/2009CA2702288A1 Sheet having at least one watermark or pseudo-watermark observable only on one side of the sheet
04/30/2009CA2698474A1 Coating formulation for an offset paper and paper coated therewith
04/29/2009EP2053162A1 Coating formulation for an offset paper and paper coated therewith
04/29/2009EP2052111A1 Process for manufacturing a fibrous ply comprising an element of a given thickness, forming fabric for producing the fibrous ply, method for producing said fabric and security sheet including a fibrous ply comprising an element of a given thickness
04/29/2009EP2052109A2 Improved compositions and processes for paper production
04/29/2009EP2052029A1 Aqueous solutions of optical brighteners
04/29/2009EP2052021A1 Aqueous solutions of optical brighteners
04/29/2009EP1608707B1 Process for the application of aqueous wax emulsions
04/29/2009CN101421321A Polyvinyl alcohol resin and use thereof
04/29/2009CN101418534A Method for treating paper material to have corrosion proof function
04/29/2009CN101418531A Method for preparing eucalyptus and poplar mixture material bleached chemical thermomechanical pulp
04/28/2009CA2390639C Process and composition for preparing a lignocellulose-based product, and the product obtained by the process
04/23/2009WO2009050138A1 Anti-foaming agent for the paper industry
04/23/2009WO2008136866A3 Antimicrobal materials and coatings
04/23/2009WO2006113025A3 Fabric crepe/draw process for producing absorbent sheet
04/23/2009US20090104431 Coated paper for printing
04/23/2009US20090101296 Near Neutral Chlorine Dioxide Bleaching of Pulp
04/23/2009CA2699792A1 Anti-foaming agent for the paper industry
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