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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12/17/2002 | US6494990 Paper or board with surface of carboxylated surface size and polyacrylamide |
12/17/2002 | US6494989 Containing at least 1% by weight of an absorbent polymeric material having a thermo-reversible liquid uptake capacity, and a cloud point in water of 30-60 degrees c.; higher liquid uptake capacity at temperatures below said cloud point |
12/17/2002 | US6494946 Processes for preparing a carbon black product having an organic group attached to the carbon black. in one process at least one diazonium salt reacts with a carbon black in the absence of an externally applied electric current sufficient |
12/17/2002 | CA2046550C Process for the ionic exchange of ionised starches and the ionised starches thus obtained |
12/12/2002 | WO2002099193A1 Total heat exchange element-use paper |
12/12/2002 | US20020188040 Water-soluble polymer complexes |
12/12/2002 | US20020187268 Methods for the reduction of bleeding of lignosulfonates from lignosulfonate-treated substrates |
12/12/2002 | DE10134302C1 Pre-impregnate obtained by impregnation of crude paper with a thermally hardenable formaldehyde-free resin useful in the production of decorative impregnates or coatings, and surface treatment of printed and unprinted papers |
12/11/2002 | EP1264931A1 Aqueous suspension providing high opacity to paper |
12/11/2002 | EP1264046A2 Partially halogenated hydantoins in slime control |
12/11/2002 | EP1264039A1 Method for adding an adsorbable chemical additive to pulp during the pulp processing and products made by said method |
12/11/2002 | EP1263685A1 Rapidly-dissolving halogenated hydantoin powders having improved flow, reduced dust, improved wetability, and increased bulk densities |
12/11/2002 | CN1095905C Soft tissue paper having surface deposited softening agent |
12/10/2002 | US6491790 Sizing with ammonium polymer and alkenyl succinic anhydride |
12/10/2002 | CA2240854C Use of a copolymer having a surfactant or tensio-active structure as dispersing agent and/or grinding agent |
12/10/2002 | CA2226642C The use of polyaspartic acid salts as a grinding agent |
12/10/2002 | CA2114652C Process for the preparation of a calcium sulphate-based aqueous suspension |
12/05/2002 | WO2002097193A1 A composition for the fluorescent whitening of paper |
12/05/2002 | WO2002097189A1 A method for treating circulation waters |
12/05/2002 | WO2002020635A3 Use of polyisocyanate resins in filter layers |
12/05/2002 | US20020179267 Papermaking, water purification; ion exchanging silicates compounds |
12/04/2002 | EP0925336B1 Modified rosin emulsion |
12/04/2002 | EP0920553B1 Tissue paper containing a vegetable oil based quaternary ammonium compound |
12/03/2002 | US6489040 Wallboard with improved roll-up resistance |
12/03/2002 | US6488813 Reacting polyols with a polyisocyante compound to obtain a urethane prepolymer having free isocyante groups, reacting a portion of free group with hydroxyalkyltert-amines, blocking remaining free groups with phenols, neutralizing amino groups |
12/03/2002 | US6488812 Using an acrylamide type copolymer having hydrogen bonding capability and containing a hydrophobic aliphatic hydrocarbon moiety |
11/28/2002 | WO2002095130A1 Method of coloring cellulosic materials using a cationic pigment dispersion |
11/28/2002 | WO2002095128A1 Polymer and use thereof in the production of paper and board |
11/28/2002 | WO2002095127A2 Use of lipolytic enzymes for stickies control |
11/28/2002 | US20020174964 Particularly pulp or paper which still contains lignin by the addition of N,N-dialkylhydroxylamines, an ester, amide or thio substituted N,N-dialkylhydroxylamine or N,N-dibenzyl-hydroxylamine or salts: synergistic with UV absorbers |
11/28/2002 | CA2448113A1 Polymer and use thereof in the production of paper and board |
11/28/2002 | CA2447723A1 Method of coloring cellulosic materials using a cationic pigment dispersion |
11/27/2002 | EP1260627A2 Process for bonding fibrous web |
11/27/2002 | EP1260626A2 Process for bonding fibrous web |
11/27/2002 | EP1260482A1 Silica-calcium carbonate composite particle |
11/27/2002 | EP1259619A2 Variant galactose oxidase, nucleic acid encoding same, and methods of using same |
11/27/2002 | EP1169515B1 Sizing composition |
11/27/2002 | EP1123442B1 Methods for reducing amine odor in paper |
11/27/2002 | EP1068388B1 Method for inhibiting the deposition of white pitch in paper production |
11/27/2002 | EP0986672B1 Use of dendrimeric polymers for the production of paper and board |
11/27/2002 | EP0889979B1 Non-woven fiber mat and corresponding forming method |
11/27/2002 | EP0662103B1 Degradable polymer composition |
11/27/2002 | CN1382160A Wet strength agent and method for production thereof |
11/27/2002 | CN1381646A Corrugated paper made of regenerated slip |
11/26/2002 | US6486216 Stable colloidal silica aquasols |
11/26/2002 | US6485828 Tensile strength; having no self fusion-bonding ability or self-adhering ability |
11/26/2002 | US6485608 Manufacture of plain bearings |
11/26/2002 | US6485555 Sizing composition |
11/26/2002 | CA2068825C Nitrogen-containing surface-active agents |
11/21/2002 | WO2002092913A1 Winding paper for smoking goods capable of reducing amount of visible sidestream smoke of tobacco |
11/21/2002 | WO2002092912A1 Winding paper for smoking goods |
11/21/2002 | WO2002092910A1 Multilayered fibrous product and a process for the production thereof |
11/21/2002 | WO2002092909A1 Coated fibrous web and process for the production thereof |
11/21/2002 | US20020173580 Methods of making and using creping adhesives comprised of polyamine-epihalohydrin resin/poly(vinyl alcohol) mixtures |
11/21/2002 | US20020170693 Degraded, inhibited cationic starch which affords improved properties, particularly strength; can even be added directly to the papermaking process without cooking. |
11/21/2002 | CA2447597A1 Wrapper paper for smoking articles decreasing the amount of visible sidestream smoke of tobacco |
11/20/2002 | EP1258561A2 Wet-strong tissue paper |
11/20/2002 | EP1258560A1 Use of hydrophobically modified polyaminamides with polyethylene glycol esters in paper products |
11/20/2002 | EP1257709A1 Method for using hydrophobically associative polymers in preparing cellulosic fiber compositions, and cellulosic fiber compositions incorporating the hydrophobically associative polymers |
11/20/2002 | EP0882156B1 Sizing of paper |
11/20/2002 | CN1094540C Process for production of paper |
11/19/2002 | US6482886 Method for externally sizing fibrous materials |
11/19/2002 | CA2095929C Self-adhesive wallcoverings |
11/14/2002 | WO2002090653A2 Sizing dispersion |
11/14/2002 | WO2002090652A1 Fibrous web and process for the preparation thereof |
11/14/2002 | WO2002090651A1 Method for recycling pulp rejects |
11/14/2002 | WO2002090206A1 A packaging laminate for a retortable packaging container |
11/14/2002 | US20020168508 Medical packaging substrate |
11/14/2002 | US20020166648 Process for manufacturing paper |
11/14/2002 | CA2446548A1 A packaging laminate for a retortable packaging container |
11/14/2002 | CA2446338A1 Sizing dispersion |
11/14/2002 | CA2444795A1 Fibrous web and process for the preparation thereof |
11/13/2002 | EP1256655A1 Sizing dispersion |
11/13/2002 | EP1256549A1 Method for producing calcium carbonate |
11/13/2002 | EP1255893A1 Fluorescent agents |
11/13/2002 | EP1235758A4 Multi-phase calcium silicate hydrates, methods for their preparation, and improved paper and pigment products produced therewith |
11/13/2002 | EP1216260A4 Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or nonionic dispersion polymers |
11/13/2002 | EP0775235B1 Method for making soft tissue using cationic silicones |
11/12/2002 | US6479164 Method for preparing composite materials from renewable raw materials |
11/12/2002 | US6478980 Textile coating composition |
11/10/2002 | CA2385485A1 Use of hydrophobically modified polyaminamides with polyethylene glycol esters in paper products |
11/07/2002 | WO2002088468A2 Method for production of fibrous moulded bodies |
11/07/2002 | WO2002088466A1 Method and device for charging fibres contained in a fibrous suspension with calcium carbonate |
11/07/2002 | WO2002048457A3 Soft tissue with improved lint and slough properties |
11/07/2002 | US20020162638 Producing carbon dioxide; adding pure carbon dioxide to pulp suspension; initiating a chemical precipitation reaction in the pulp suspension by the addition of carbon dioxide |
11/07/2002 | CA2445658A1 Method and device for charging fibres contained in a fibrous suspension with calcium carbonate |
11/06/2002 | EP1254189A1 Method for obtaining polyamidoamine-epichlorhydrin resin suited for making wet-strength paper with low monochloro-3-propanediol-1,2 content |
11/06/2002 | EP1253999A1 Treatment of natural polymer based materials and the products based thereon |
11/06/2002 | EP1084299B1 Device for the deacidification of printed matter |
11/06/2002 | EP0910699B1 Process for improving printing paper |
11/06/2002 | EP0866899B1 Method of creping tissue webs containing a softener using a closed creping pocket |
11/06/2002 | CN1378427A Smoking article wrapper with improved filler |
11/05/2002 | US6475341 Process for making paper |
10/31/2002 | WO2002086238A1 Filler and a process for the production thereof |
10/31/2002 | WO2002066734A3 Soft absorbent tissue |
10/31/2002 | WO2002052103A3 Process for incorporating poorly substantive paper modifying agents into a paper sheet via wet end addition |
10/31/2002 | US20020160179 Paperboard |
10/31/2002 | DE10120637A1 Verfahren zum Beladen von Fasern A method for loading fibers |
10/31/2002 | DE10120636A1 Verfahren und Vorrichtung zur Aufbereitung von insbesondere der Papierherstellung dienendem Stoff Method and apparatus for treatment of particular papermaking fabric dienendem |
10/31/2002 | DE10120635A1 Verfahren und Vorrichtung zum Beladen von Fasern mit Calciumcarbonat A method and apparatus for loading fibers with calcium carbonate |