| 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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| 03/25/1998 | CN1177032A Method for producing high strength gas phase rust-proof raw paper |
| 03/24/1998 | US5731422 Dyeing plastics, lacquers |
| 03/24/1998 | US5731257 Precipitates; reducing sidestream smoke in cigarettes |
| 03/24/1998 | US5731034 Using blend of calcium carbonate pigment and polyelectrolyte |
| 03/24/1998 | US5730839 Bulking; softness |
| 03/24/1998 | US5730794 Use of synthetic, bainite-rich iron raw materials for preparing iron oxide pigments |
| 03/19/1998 | WO1998011299A1 Method for producing a non-woven glass fiber mat comprising bundles of fibers |
| 03/18/1998 | EP0829574A1 Waterproofing agent for ink jet printing paper |
| 03/18/1998 | EP0746423A4 Repulpable hot melt polymer/wax compositions for fibrous products |
| 03/18/1998 | CN1176326A Method and apparatus for controllig spetral reflectance of material |
| 03/18/1998 | CN1176273A Mixtures of sulfo-containing 1:2 metal complexes with vinyl polymers |
| 03/17/1998 | US5729265 Recording paper and ink-jet recording process making use of the same |
| 03/12/1998 | WO1997046218A3 Concentrated liquid formulations comprising a microbicidally active ingredient |
| 03/11/1998 | EP0827985A1 Water soluble copper phthalocyanine dyes, their manufacture and their use |
| 03/11/1998 | EP0740686A4 Papermaking compositions, process using same, and paper produced therefrom |
| 03/10/1998 | US5725815 Block polymer of polyether and an isocyanate or dicarboxylic acid |
| 03/10/1998 | US5725779 Conditioning soils |
| 03/10/1998 | US5725736 Tissue containing silicone betaines |
| 03/10/1998 | US5725731 2-oxetanone sizing agents comprising saturated and unsaturated tails, paper made with the 2-oxetanone sizing agents, and use of the paper in high speed converting and reprographic operations |
| 03/05/1998 | WO1998009021A1 Process for treating a fibrous material and article thereof |
| 03/05/1998 | WO1998008940A1 A novel endoglucanase |
| 03/05/1998 | CA2262497A1 Process for treating a fibrous material and article thereof |
| 03/04/1998 | EP0826822A2 Inorganic porous crystals-hydrophilic macromolecular substrate composite |
| 03/04/1998 | EP0826089A1 Chemically softened tissue paper products containing a polysiloxane and an ester-functional ammonium compound |
| 03/04/1998 | CN1175295A Tissue paper product comprising a quaternary ammonium compound, a polysiloxane compound and binder materials |
| 03/04/1998 | CN1175270A Carbon black reacted with diazonium salts and products |
| 03/04/1998 | CN1174914A Medicinal paper tissue for preventing respiratory thact disease |
| 03/03/1998 | US5723023 Etherified or esterified; retention, drainage |
| 03/03/1998 | US5723022 Temporary wet strength resins |
| 03/03/1998 | US5723021 Method for inhibiting deposition in pulp and papermaking systems using a composition comprising of polyvinyl alcohol, gelatin and cationic polymer |
| 03/03/1998 | US5723020 Fire-retardant saturating kraft paper |
| 03/03/1998 | CA2214367A1 Dry strength resin compositions |
| 02/26/1998 | WO1998007927A1 Tissue paper containing a vegetable oil based quaternary ammonium compound |
| 02/25/1998 | EP0825297A1 Forgery preventive sheet and method of manufacturing same |
| 02/25/1998 | EP0825296A1 Mat coated paper and method of manufacturing same |
| 02/25/1998 | EP0825232A2 Mixtures of 1 : 2 metal complex dyes bearing sulfo groups and vinyl polymers |
| 02/25/1998 | EP0825188A1 Triazine derivatives as fluorescent whitening agents, as UV absorbers and their use to increase the sun protection factor of textile material |
| 02/25/1998 | EP0824562A1 Method of producing cross-linked cationic polymers |
| 02/25/1998 | EP0824405A1 Articles employing a magnetic security feature |
| 02/25/1998 | EP0785909A4 Hydantoin-enhanced halogen efficacy in pulp and paper applications |
| 02/25/1998 | EP0590007B1 Applying a fluoropolymer film to a body |
| 02/25/1998 | CN1174583A Soft and creped tissue paper |
| 02/24/1998 | US5720966 Medicated tissue paper product |
| 02/19/1998 | WO1998006898A1 Amphoteric polyacrylamides as dry strength additives for paper |
| 02/19/1998 | WO1998006488A1 Use of microcrystalline wax and low foaming emulsifiers as defoamers |
| 02/19/1998 | WO1997046541A3 Use of triazine-based uvas for use as quenchers in paper-making processes |
| 02/18/1998 | EP0824161A2 Starch and starch derivatives for the paper industry |
| 02/18/1998 | EP0823950A1 Process for producing structurally resistant paper |
| 02/18/1998 | EP0823921A1 Graft polymers made of alkylene oxide units-containing polymers and ethylenically unsaturated compounds, process for preparing the same and their use |
| 02/18/1998 | CN1173893A Stable and water-resistance aqueous foam composition |
| 02/17/1998 | US5718837 Mixture containing a persulfate and a carbonate, bicarbonate or a sesquicarboante |
| 02/17/1998 | US5718804 Process for the production of cellulose-containing sheet-like structures which have been given a dry strength and/or wet strength treatment |
| 02/17/1998 | US5718728 Method for strengthening cellulosic substrates, celluosic non woven wipes, and paper filter stock |
| 02/12/1998 | WO1998005819A1 Pitch control composition |
| 02/11/1998 | EP0823005A1 Process for controlling the deposit of adhesive impurities from paper material suspensions |
| 02/11/1998 | EP0822949A1 Reaction product of sulfonated amino resin and amino group-containing substance and papermaking process |
| 02/11/1998 | EP0822859A1 Compositions containing diol and/or diol alkoxylate |
| 02/11/1998 | EP0822838A1 Biocidal surface films |
| 02/10/1998 | US5717046 Cationic multiarmed star-like polymers |
| 02/10/1998 | US5716692 Lotioned tissue paper |
| 02/10/1998 | US5716498 Process for softening paper in manufacture |
| 02/05/1998 | WO1998004620A1 Pitch control composition based on blend of derivatized cationic guar and styrene maleic anhydride copolymer |
| 02/05/1998 | DE19631350A1 Crosslinked hydrolysed linear polymers of aziridino-ethyl-formamide |
| 02/04/1998 | EP0822290A1 Fireproof paper, especially printing paper and advertising support |
| 02/04/1998 | EP0821750A1 Soft creped tissue paper |
| 02/04/1998 | EP0821704A1 Water-soluble cationic copolymers and their use as flocculants and drainage retention aids |
| 02/04/1998 | CN1172516A Soft tissue paper containing an oil and polyhydroxy compound |
| 02/04/1998 | CN1037284C Fluorescent and colour safety fibre |
| 02/03/1998 | US5714552 Reacting epichlorohydrin with polyamine; heating; wet strength |
| 02/03/1998 | US5714042 A paper sheet or board prepared from a mixture of solubilized collagen and cellulosic pulp (virgin, broke or reclaimed) with good tensile, burst and tear strength |
| 02/03/1998 | CA2085683C Synthesis of creping aids based on polyamides containing methyl bis(3-aminopropylamine) |
| 01/29/1998 | WO1998003731A1 Internally sized cellulosic products and method for making same |
| 01/29/1998 | WO1998003730A1 Bulking agents for paper, high-bulkiness pulp sheets, and process for the production of the sheets |
| 01/29/1998 | WO1998003528A1 Linear and cyclic sucrose reaction products, their preparation and their use |
| 01/29/1998 | WO1998003243A1 Use as antifoaming agents of ethylene oxide - propylene oxide addition compounds of glycerol or polyglycerol reacted with alpha-olefin epoxides |
| 01/29/1998 | CA2260884A1 Internally sized cellulosic products and method for making same |
| 01/28/1998 | EP0820544A1 Treatments for inhibiting deposition in papermaking systems |
| 01/28/1998 | EP0758344B1 Process for producing long-shelf-life aqueous solutions of vinyl-amine-unit-containing polymers and use of such solutions |
| 01/28/1998 | EP0620707B1 A method to combat microbes |
| 01/28/1998 | CN1171827A Bleaching of filled paper |
| 01/27/1998 | US5711853 Pulp from newsprint or eucalyptus fibers |
| 01/22/1998 | WO1998002611A1 Temporary wet strength resins |
| 01/22/1998 | DE19629038A1 Verwendung von mit alpha-Olefinepoxiden umgesetzten Ethylenoxid/Propylenoxid-Anlagerungsverbindungen des Glycerins oder Polyglycerins als Entschäumer Use of alpha-olefin epoxides reacted ethylene oxide / propylene oxide addition compounds of glycerol or polyglycerol as defoamers |
| 01/21/1998 | EP0819193A1 Paper sizing agent mixtures |
| 01/21/1998 | EP0613510B1 Process for making a structure having controlled water resistance |
| 01/15/1998 | WO1998001622A1 Process for improving printing paper |
| 01/15/1998 | WO1998001617A1 Methods for inhibiting organic contaminant deposition in pulp and papermaking systems |
| 01/15/1998 | DE19627910A1 Coloured paper production from pulp containing residual bleach |
| 01/15/1998 | DE19627669A1 Verfahren zur Verbesserung von Druckpapieren A method of improving print papers |
| 01/15/1998 | CA2249372A1 Methods for inhibiting organic contaminant deposition in pulp and papermaking systems |
| 01/14/1998 | EP0818498A2 Reinforced films made from water soluble polymers |
| 01/14/1998 | EP0592572B1 A process for the manufacture of paper |
| 01/13/1998 | US5708151 Cationic imidazole azo dyes |
| 01/13/1998 | US5708119 Polyurethanes for waterproofing and oil repellents |
| 01/13/1998 | US5708071 Aqueous dispersion of an amphoteric water-soluble polymer, a method of manufacturing the same, and a treating agent comprising the same |
| 01/13/1998 | US5707494 Papermaking |
| 01/13/1998 | US5707493 Improved filler retention and water removal |
| 01/13/1998 | US5707491 Paper strengthened with solubilized collagen and method |
| 01/08/1998 | WO1998000606A1 Paper sizing composition and process |
| 01/08/1998 | WO1998000298A1 Process for protecting products against forgery by means of machine-readable distinctive safety features |