| 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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| 02/03/2004 | US6686054 Method and composition for the sizing of paper using azetidinium and/or guanidine polymers |
| 02/03/2004 | US6685907 Process for producing silica particles suitable for use as filler for paper |
| 01/29/2004 | WO2004009904A1 Paper improver |
| 01/29/2004 | US20040016528 Paper sized with a sizing agent and a selected sizing promoter |
| 01/29/2004 | US20040016527 Providing a papermaking material and obtaining a clean paper pulp by treating; adding functional additive into clean paper pulp to form multi-purpose paper; processing to form paper having an uneven surface structure; sowing seed |
| 01/29/2004 | CA2492931A1 Paper quality improver |
| 01/28/2004 | EP1384811A1 Agent for increasing the retention capacity of pulp for starch |
| 01/28/2004 | EP1383959A2 Colour coding system for identifying objects |
| 01/28/2004 | EP1383958A1 Method in internal sizing of liquid packaging board and internal size |
| 01/28/2004 | EP1383642A1 Wet-felted and thermally bonded porous structures |
| 01/28/2004 | CN2601429Y Anti-fraud paper with natural structural digital code |
| 01/28/2004 | CN1136360C Process for making paper |
| 01/28/2004 | CN1136359C Method of producing paper having three-dimensional pattern |
| 01/27/2004 | CA2215551C Method for controlling the permeability of a paper |
| 01/27/2004 | CA2065788C Smoking articles using novel paper wrapper |
| 01/22/2004 | WO2004007840A1 Method in paper making process or other corresponding process and its use |
| 01/22/2004 | WO2004007839A1 Enzymatic press felt treatment |
| 01/22/2004 | WO2004007759A2 Identification method for verifying the authenticity of an object |
| 01/22/2004 | WO2004007629A1 Adhesive composition based on polymers and saccharides for the finishing process of a fibrous web |
| 01/22/2004 | WO2004007367A1 Silica gel comprising guanidine carbonate |
| 01/22/2004 | WO2003091952A3 Transparent security substrate with magnetic paricles |
| 01/22/2004 | WO2003044084A3 Crosslinking agent for a low-temperature crosslinkable silicone composition based on a hydrogenated silicone oil comprising si-h units at the chain end and in the chain |
| 01/22/2004 | US20040014626 Fibre-softening compositions containing non-ionic surfactants |
| 01/22/2004 | US20040011487 Use of a starch dispersion comprising discrete particles of crosslinked cationic starch in an aqueous liquid in papermaking, wherein the starch dispersion is used as an additive in the papermaking stock |
| 01/22/2004 | US20040010866 Colors materials comprising azo dyes having colorfastness, used for dyeing natural or synthetic fibers |
| 01/22/2004 | DE10230982A1 Guanidincarbonat-haltiges Kieselsol Guanidine-containing silica sol |
| 01/22/2004 | DE10230412A1 Gleitmittelhaltiges Substrat Gleitmittelhaltiges substrate |
| 01/22/2004 | CA2491875A1 Adhesive composition based on polymers and saccharides for the finishing process of a fibrous web |
| 01/21/2004 | EP1381734A1 Cut resistant paper and paper articles and method for making same |
| 01/21/2004 | EP1381476A1 Paper articles exhibiting long term storageability |
| 01/21/2004 | EP1082492B1 Paper making method using a retention system comprising bentonite and a cationic galactomannan |
| 01/20/2004 | US6680116 Luminescent fiber production thereof and use thereof |
| 01/20/2004 | US6679972 Easier removal of lignin from fibers |
| 01/15/2004 | WO2004005617A1 Triazinylaminostilbene disulphonic acid mixtures |
| 01/15/2004 | WO2003078406A8 Amphoteric and cationic fluorescent whitening agents |
| 01/15/2004 | US20040010137 Oxidized polymeric carbohydrates and products made thereof |
| 01/15/2004 | US20040007340 Security paper |
| 01/15/2004 | US20040007338 Method for marking a sheet of paper and sheet with a watermark |
| 01/14/2004 | EP1379754A1 Methods of treating subterranean zones penetrated by well bores |
| 01/14/2004 | EP1379474A2 Process and apparatus for the removal of scale build-up |
| 01/14/2004 | EP1064258B1 Process for the preparation of sulphonated distyryl-biphenyl compounds |
| 01/14/2004 | CN1468266A Novel fluorinated copolymers, their use for coating and impregnating substrates, and resulting treated substrates |
| 01/14/2004 | CN1468261A Process for the production of chemically or enzymatically modified polysaccharides, and products made thereby |
| 01/14/2004 | CN1467340A Paperboard interbedded combining spray fecula |
| 01/14/2004 | CN1467339A Damp-proof laminating body |
| 01/14/2004 | CN1134514C Pigmented porous material |
| 01/13/2004 | US6677427 Enzyme-catalyzed polyamides and compositions and processes of preparing and using the same |
| 01/13/2004 | US6677073 Non-woven fiber webs |
| 01/13/2004 | US6677019 Liquid-resistant paperboard tube, and method and apparatus for making same |
| 01/13/2004 | US6676745 Fibers having surfaces that are at least partially treated with a sizing agent so as to make the surfaces hydrophobic, wherein the sizing agent comprises a hydrophilic functional group and a hydrophobic functional group |
| 01/13/2004 | US6676744 Fiber cement composite materials using cellulose fibers loaded with inorganic and/or organic substances |
| 01/08/2004 | WO2003095188A3 Improvements in fibrous sheets |
| 01/08/2004 | US20040006192 Resin composition for use in manufacturing wet friction materials and wet friction material |
| 01/08/2004 | US20040005341 Coating or treatment for imparting oil and grease resistance to an underlying substrate. The formulation does not contain any fluorochemicals. At the same time, however, the formulation provides oil and grease resistance properties |
| 01/07/2004 | EP1378545A1 Aqueous liquid composition of fluorescent brightener excellent in dyeing characteristics |
| 01/07/2004 | EP1377387A2 Flow monitor for rewet showers |
| 01/07/2004 | EP1252208B1 Saline aqueous dispersions of water soluble (co)polymers based on cationic monomers, method for making same and uses thereof |
| 01/07/2004 | EP1084295B1 A process for the production of paper |
| 01/07/2004 | CN1466642A Use of starch compositions in papermaking |
| 01/07/2004 | CN1133778C Enzymatic wet paper napkin and its production process |
| 01/07/2004 | CN1133418C Concentrated liquid formulations comprising microbicidally active ingredient |
| 01/06/2004 | US6673266 A fireproofing protective coating prepared by dissolving cellulose in water, adding ammonium hydroxide; adding diammonium phosphate to crosslink; drying; textiles; wood; paper; waterproofing; ignition point-3,500 degrees f. |
| 01/06/2004 | US6673208 Polysilicate microgels and silica-based materials |
| 01/06/2004 | US6673206 Paper stock is drained in the presence of condensates of basic amino acids with sheet formation; increase the absorbitivity of the paper |
| 01/06/2004 | US6673205 Use of hydrophobically modified polyaminamides with polyethylene glycol esters in paper products |
| 01/06/2004 | US6673203 Soft low lint tissue |
| 01/06/2004 | CA2083406C Press felt conditioner for neutral and alkaline papermaking systems |
| 01/02/2004 | EP1373605A1 Security articles |
| 01/02/2004 | EP1372978A1 Heat-sensitive recording sheet and the use thereof |
| 01/02/2004 | EP1372399A1 Methods of using hop acids to control microorganisms |
| 01/02/2004 | EP1272433B1 Sulphur-free lignin and derivatives thereof for reducing the formation of slime and deposits in industrial plants |
| 01/02/2004 | EP1238161B1 Manufacture of paper and paperboard |
| 01/02/2004 | EP1228273B1 Manufacture of paper and paperboard |
| 01/02/2004 | EP0895554B1 Facial tissue with reduced moisture penetration |
| 01/02/2004 | EP0894163B1 Method of preparation of a cellulosic pulp, cellulosic pulp to be used in absorbent products, and such absorbent product |
| 01/02/2004 | EP0851783A4 Novel aromatic and aliphatic sulfonates and properties and applications thereof |
| 01/02/2004 | EP0807194B2 Soft tissue paper containing an oil and a polyhydroxy compound |
| 01/01/2004 | US20040001963 Mixture of pigment and binder; overcoating substrate with anionic polymer of polyacrylamide; multicolor; high speed printing |
| 12/31/2003 | WO2004001130A1 Fibrous substrates |
| 12/31/2003 | WO2004001129A1 Anionic functional promoter and charge control agent |
| 12/31/2003 | WO2004001127A2 Strong and dispersible paper products |
| 12/31/2003 | WO2004000944A1 Water-soluble polymer dispersion, process for producing the same and method of use therefor |
| 12/31/2003 | WO2004000729A1 Synthetic magnesium silicate compositions and process for the production thereof |
| 12/31/2003 | WO2002071345A3 Security strips |
| 12/31/2003 | CN1464931A Process for controlling the brightness of paper products |
| 12/31/2003 | CN1464134A Paper for keeping Tibetan scripture |
| 12/31/2003 | CN1464132A Drawing paper with brand |
| 12/30/2003 | US6670010 Composite sheet, method of preparing same, and thermosensitive recording adhesive label sheet having same |
| 12/30/2003 | US6669816 Sizing board of cellulose fibers using dispersion comprising rosin, ketene dimer, and aluminum sulfate or aluminum polymer; resistance to edge penetration by lactic acid or hot hydrogen peroxide |
| 12/25/2003 | US20030236326 Mixture of white pigment and optical brightener |
| 12/25/2003 | US20030236041 Fire retardant laminated sheet and manufacturing method thereof |
| 12/25/2003 | US20030235707 Having water resistance, gloss, toner receiving properties, high resolution, gas barrier properties, curling resistance and coating strength |
| 12/25/2003 | US20030234089 Mixtures of water soluble anionic polymers such as acrylamide-acrylic acids copolymer and cationic starches, used for imparting wet strength to paper products such as paperboard, newspapers, tissue paper and towel |
| 12/24/2003 | WO2003106767A1 Paper sizing composition |
| 12/24/2003 | WO2003106766A1 Method of dewatering pulp |
| 12/24/2003 | WO2003106748A1 Nonwoven material and process for its manufacturing |
| 12/24/2003 | CN1463314A Information printing paper |
| 12/24/2003 | CN1463206A Paper articles exhibiting long term storageability |
| 12/24/2003 | CA2488926A1 Paper sizing composition |
| 12/23/2003 | US6667384 Papermaking wet strength resins and creping aids; wool surface additives; crosslinked high molecular weight regio-regular structures with high proportion of secondary amine groups |