| 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) |
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| 07/19/2000 | EP0752989B1 Thiazolylpyrazolinones and their use for protecting technical materials |
| 07/19/2000 | CN1054571C Security threads having at least two security detection features and security papers employing same |
| 07/18/2000 | US6090242 Method of improvement strength of papers |
| 07/18/2000 | CA2187757C Preparation process of paper for increasing filler contents and enhancing scott internal bond strength |
| 07/13/2000 | WO2000040639A1 Wet-strength agent with low dcp content |
| 07/13/2000 | WO2000040634A2 Modified epoxies for paper sizing |
| 07/13/2000 | WO2000040618A1 Papermaking additive with primary amino groups and mechanical pulp treated therewith |
| 07/13/2000 | WO2000040538A1 Nucleophilic group terminated ketene multimer sizing agents |
| 07/12/2000 | CN1260017A Process for making paper, and materials for use in same |
| 07/12/2000 | CN1260016A Aragonitic precipitated calcium carbonate pigment for coating rotogravure |
| 07/12/2000 | CN1259923A Polysilicate microgels |
| 07/12/2000 | CN1259922A Polysilicate microgels and silica-based materials |
| 07/11/2000 | US6087457 Surface sizing of cellulose based products |
| 07/11/2000 | US6086950 Absorbent sheet, process for producing the same, and absorbent article using the same |
| 07/11/2000 | US6086718 Apparatus for improving filler retention in papermaking |
| 07/06/2000 | WO2000039397A1 Authenticity feature combination for valuable documents |
| 07/06/2000 | WO2000039396A1 Creping adhesives obtained by the reaction of polyamide and polyvinylalcohol with epichlorohydrin |
| 07/06/2000 | WO2000039391A1 Improvements in making paper |
| 07/06/2000 | WO2000039246A1 Fluorescent particle, method for preparing the same and paper for preventing forgery using the fluorescent particle |
| 07/06/2000 | WO2000038747A2 Absorbent article composition and method of use for sequestering skin irritants |
| 07/06/2000 | WO2000038626A2 Substrate composition and method of use for sequestration of skin irritants |
| 07/06/2000 | WO2000038625A2 Facial tissue composition and method of use for sequestration of nasal secretion skin irritants |
| 07/06/2000 | WO2000014206A3 Mutant egiii cellulases, dna encoding such egiii compositions and methods for obtaining same |
| 07/06/2000 | DE19860093A1 Echtheitsmerkmalskombination für Wertdokumente Authenticity feature combination for valuable documents |
| 07/06/2000 | CA2358109A1 Improvements in making paper |
| 07/05/2000 | EP1016756A1 Process for making paper having anti-slip properties |
| 07/05/2000 | EP1016755A2 Quality improver for papermaking and method for producing pulp sheet |
| 07/05/2000 | EP0892819B1 Oil, water and solvent resistant paper by treatment with fluorochemical copolymers |
| 07/05/2000 | EP0822949B1 Reaction product of sulfonated amino resin and amino group-containing substance and papermaking process |
| 07/05/2000 | EP0733086B1 Low organic chlorine wet strength resin composition and method of making |
| 07/05/2000 | CN1258778A Paper-making gluing precipitant and its preparation |
| 07/04/2000 | US6084078 (2,4-dimethyl,6-sulfophenyl)azo(sulfonaphth-1,4-ylene)-azo-(1 -hydroxyl,3-sulfonaphth-2,6-ylene)(substituted)amine, where the sulfonic acids are in the form of metal salts with lithium or potassium, or with organic ammonium ions |
| 07/04/2000 | US6083997 Providing a sodium silicate solution, adding an anionic polyelectrolyte to the sodium silicate solution and combining sodium silicate solution containing polyelectrolyte with silicic acid |
| 07/04/2000 | US6083348 Draining a paper stock containing process chemicals on a paper machine in which a main stream of the paper stock and a dilution stream are fed via a head box to the paper machine wire. |
| 07/04/2000 | US6083347 Absorbent material and production thereof |
| 06/29/2000 | DE19858965A1 Feste Phthalocyaninpräparationen Fixed Phthalocyaninpräparationen |
| 06/28/2000 | EP1013825A1 Method of making absorbent sheet from recycle furnish |
| 06/28/2000 | EP1013824A1 Process for making anti-counterfeit paper |
| 06/28/2000 | EP1013823A1 Tissue paper product and lotion for its manufacture |
| 06/28/2000 | EP1013721A2 Solid phthalocyanine preparations |
| 06/28/2000 | EP1012393A1 Process of making paper |
| 06/28/2000 | EP1012392A1 Polyammonium quaternary polymer for controlling anionic trash and pitch deposition and treating coated broke |
| 06/28/2000 | EP1012377A1 Kraft paper and method for making the same |
| 06/28/2000 | EP0889993B1 Absorbent cellulosic material and production thereof |
| 06/28/2000 | CN1257787A Securities and bill, and making method thereof |
| 06/27/2000 | US6080686 Polyether polysiloxane a, organopolysiloxane b with at least one ammonium group linked over a carbon atom; water or water soluble alkylene glycol |
| 06/27/2000 | US6080448 Deacidification of cellulose based materials using hydrofluoroether carriers |
| 06/27/2000 | US6080277 Cellulose particles, method for producing them and their use |
| 06/27/2000 | US6080208 Stilbene compounds and their use |
| 06/27/2000 | CA2138891C Process and composition for the manufacture of wet strengthened paper |
| 06/22/2000 | WO2000036216A1 Method for increasing the wet strength of a tissue material |
| 06/22/2000 | CA2354565A1 Softened comminution pulp |
| 06/21/2000 | EP0949962A4 Use of microcrystalline wax and low foaming emulsifiers as defoamers |
| 06/21/2000 | DE19858616A1 Tissuepapierprodukt und Lotion zu seiner Herstellung Tissue paper product and lotion for its preparation |
| 06/21/2000 | DE19856927A1 Neuartige, stickstoffhaltige Verbindungen für die Papier-, Pappe- und Kartonherstellung sowie für die Herstellung von Textilprodukten Novel nitrogen-containing compounds for the paper, paperboard and cardboard as well as for the production of textile products |
| 06/21/2000 | CN1256865A Persistent disinfectant and preparation process thereof |
| 06/21/2000 | CN1053614C Security paper with color mark |
| 06/21/2000 | CA2287674A1 Process for making and detecting anti-counterfeit paper |
| 06/20/2000 | US6077588 Continuous solid state web coating process and webs produced thereby |
| 06/20/2000 | US6077394 Making alkaline fine paper by adding glyoxylated acrylamide-diallyldimethyl ammonium chloride resin and aminopolyamide-epichlorohydrin resin to alkaline fine paper pulp slurry containing filler material during papermaking |
| 06/20/2000 | US6077393 Soft tissue products having high strength |
| 06/20/2000 | US6077392 Text and cover printing paper and process for making the same |
| 06/15/2000 | WO2000034584A1 Glyoxalated polyacrylamides as paper strengthening agents |
| 06/15/2000 | WO2000034583A1 Sizing composition |
| 06/15/2000 | WO2000034582A1 Copolymer coagulant in the papermaking process |
| 06/15/2000 | WO2000034581A1 Polyampholyte coagulant in the papermaking process |
| 06/15/2000 | WO2000034579A1 Nitrogen-containing compounds for producing paper, card and cardboard, and textile products |
| 06/15/2000 | WO2000034362A2 Process for the preparation of a polymer dispersion |
| 06/15/2000 | WO2000034358A1 Method for producing cross-linked cation polymers with a reduced aox content |
| 06/15/2000 | CA2292010A1 A one-pass method for preparing paper size emulsions |
| 06/14/2000 | EP1007787A1 Process for producing multi-layered tissue paper products |
| 06/14/2000 | EP1007529A2 Sugar based vinyl monomers and copolymers useful in repulpable adhesives and other applications |
| 06/14/2000 | EP1007310A1 Method for modifying papermaking sludge and products made therefrom |
| 06/14/2000 | EP1007202A1 Method for treating a solid material to make it hydrophobic, material obtained and uses |
| 06/14/2000 | EP0938417B1 Improvements in and relating to security documents |
| 06/14/2000 | EP0925336A4 Modified rosin emulsion |
| 06/14/2000 | EP0796114A4 Biofilm avoidance and removal process and composition |
| 06/14/2000 | EP0695385B1 Process of making paper |
| 06/13/2000 | US6075139 Linear and cyclic sucrose reaction products, their preparation and their use |
| 06/13/2000 | US6074863 Hydrolytic enzyme for the treatment of paper products or use as a detergent enzyme |
| 06/13/2000 | US6074530 Method for enhancing the anti-skid or friction properties of a cellulosic fiber |
| 06/13/2000 | US6074529 Contacting the aqueous dispersion under agitation with a sorbent for absorbing organic molecules, or a gas, whereby the solvent is transferred to the sorbent or the gas, alkyl ketene dimer solvent |
| 06/13/2000 | US6074528 Pigment composed of hollow particles, and a high molecular weight modified starch binder exhibiting suitable rheological properties. |
| 06/13/2000 | US6074527 Production of soft paper products from coarse cellulosic fibers |
| 06/13/2000 | US6074524 Mineral filler particles |
| 06/13/2000 | US6074468 Comprising thermoplastic resin selected from the group consisting of thermoplastic rosins having an acid number less than 50, thermoplastic hydrocarbon resins, thermoplastic polyamides and thermoplastic amide waxes, starch, surfactant |
| 06/08/2000 | WO2000032874A1 Uncoated paper comprising a pseudo-watermark and method for making same |
| 06/08/2000 | WO2000032873A1 Paper making method using a novel retention system comprising a precipitated silica and a cationic polymer |
| 06/08/2000 | WO2000032702A1 Method of producing a particle or group of particles having a coating of polymers interacting with each other |
| 06/08/2000 | DE19856212A1 Verfahren zur Herstellung von vernetzten Kationpolymeren mit vermindertem AOX-Gehalt A process for the production of crosslinked cationic polymers with a reduced AOX content |
| 06/07/2000 | EP1006237A1 Base material for manufacturing a laminate and process for producing the same |
| 06/07/2000 | EP1006168A1 Surface treatments with bifunctional perfluoropolyether derivatives |
| 06/07/2000 | CN1255950A Valuable document |
| 06/07/2000 | CN1053210C Products comprising base materials treated by surface fluoroaliphatic compound |
| 06/06/2000 | US6071735 Enzyme preparation with endoglucanase activity |
| 06/06/2000 | US6071379 Papermaking process utilizing hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide as retention and drainage aids |
| 06/02/2000 | WO2000031340A1 Multi-ply tissue, and process for the manufacture of multi-ply tissue |
| 06/02/2000 | WO2000031339A1 Cationic starch/cationic galactomannan gum blends as strength and drainage aids |
| 06/02/2000 | CA2319163A1 Cationic starch/cationic galactomannan gum blends as strength and drainage aids |
| 05/31/2000 | EP1004703A1 Multi-ply tissue, and process for its manufacture |