Patents for D21H 17 - Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution (19,322)
12/2002
12/17/2002US6494990 Paper or board with surface of carboxylated surface size and polyacrylamide
12/17/2002US6494989 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
12/17/2002US6494946 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
12/17/2002CA2046550C Process for the ionic exchange of ionised starches and the ionised starches thus obtained
12/12/2002WO2002099193A1 Total heat exchange element-use paper
12/12/2002US20020188040 Water-soluble polymer complexes
12/12/2002US20020187268 Methods for the reduction of bleeding of lignosulfonates from lignosulfonate-treated substrates
12/12/2002DE10134302C1 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
12/11/2002EP1264931A1 Aqueous suspension providing high opacity to paper
12/11/2002EP1264046A2 Partially halogenated hydantoins in slime control
12/11/2002EP1264039A1 Method for adding an adsorbable chemical additive to pulp during the pulp processing and products made by said method
12/11/2002EP1263685A1 Rapidly-dissolving halogenated hydantoin powders having improved flow, reduced dust, improved wetability, and increased bulk densities
12/11/2002CN1095905C Soft tissue paper having surface deposited softening agent
12/10/2002US6491790 Sizing with ammonium polymer and alkenyl succinic anhydride
12/10/2002CA2240854C Use of a copolymer having a surfactant or tensio-active structure as dispersing agent and/or grinding agent
12/10/2002CA2226642C The use of polyaspartic acid salts as a grinding agent
12/10/2002CA2114652C Process for the preparation of a calcium sulphate-based aqueous suspension
12/05/2002WO2002097193A1 A composition for the fluorescent whitening of paper
12/05/2002WO2002097189A1 A method for treating circulation waters
12/05/2002WO2002020635A3 Use of polyisocyanate resins in filter layers
12/05/2002US20020179267 Papermaking, water purification; ion exchanging silicates compounds
12/04/2002EP0925336B1 Modified rosin emulsion
12/04/2002EP0920553B1 Tissue paper containing a vegetable oil based quaternary ammonium compound
12/03/2002US6489040 Wallboard with improved roll-up resistance
12/03/2002US6488813 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
12/03/2002US6488812 Using an acrylamide type copolymer having hydrogen bonding capability and containing a hydrophobic aliphatic hydrocarbon moiety
11/2002
11/28/2002WO2002095130A1 Method of coloring cellulosic materials using a cationic pigment dispersion
11/28/2002WO2002095128A1 Polymer and use thereof in the production of paper and board
11/28/2002WO2002095127A2 Use of lipolytic enzymes for stickies control
11/28/2002US20020174964 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
11/28/2002CA2448113A1 Polymer and use thereof in the production of paper and board
11/28/2002CA2447723A1 Method of coloring cellulosic materials using a cationic pigment dispersion
11/27/2002EP1260627A2 Process for bonding fibrous web
11/27/2002EP1260626A2 Process for bonding fibrous web
11/27/2002EP1260482A1 Silica-calcium carbonate composite particle
11/27/2002EP1259619A2 Variant galactose oxidase, nucleic acid encoding same, and methods of using same
11/27/2002EP1169515B1 Sizing composition
11/27/2002EP1123442B1 Methods for reducing amine odor in paper
11/27/2002EP1068388B1 Method for inhibiting the deposition of white pitch in paper production
11/27/2002EP0986672B1 Use of dendrimeric polymers for the production of paper and board
11/27/2002EP0889979B1 Non-woven fiber mat and corresponding forming method
11/27/2002EP0662103B1 Degradable polymer composition
11/27/2002CN1382160A Wet strength agent and method for production thereof
11/27/2002CN1381646A Corrugated paper made of regenerated slip
11/26/2002US6486216 Stable colloidal silica aquasols
11/26/2002US6485828 Tensile strength; having no self fusion-bonding ability or self-adhering ability
11/26/2002US6485608 Manufacture of plain bearings
11/26/2002US6485555 Sizing composition
11/26/2002CA2068825C Nitrogen-containing surface-active agents
11/21/2002WO2002092913A1 Winding paper for smoking goods capable of reducing amount of visible sidestream smoke of tobacco
11/21/2002WO2002092912A1 Winding paper for smoking goods
11/21/2002WO2002092910A1 Multilayered fibrous product and a process for the production thereof
11/21/2002WO2002092909A1 Coated fibrous web and process for the production thereof
11/21/2002US20020173580 Methods of making and using creping adhesives comprised of polyamine-epihalohydrin resin/poly(vinyl alcohol) mixtures
11/21/2002US20020170693 Degraded, inhibited cationic starch which affords improved properties, particularly strength; can even be added directly to the papermaking process without cooking.
11/21/2002CA2447597A1 Wrapper paper for smoking articles decreasing the amount of visible sidestream smoke of tobacco
11/20/2002EP1258561A2 Wet-strong tissue paper
11/20/2002EP1258560A1 Use of hydrophobically modified polyaminamides with polyethylene glycol esters in paper products
11/20/2002EP1257709A1 Method for using hydrophobically associative polymers in preparing cellulosic fiber compositions, and cellulosic fiber compositions incorporating the hydrophobically associative polymers
11/20/2002EP0882156B1 Sizing of paper
11/20/2002CN1094540C Process for production of paper
11/19/2002US6482886 Method for externally sizing fibrous materials
11/19/2002CA2095929C Self-adhesive wallcoverings
11/14/2002WO2002090653A2 Sizing dispersion
11/14/2002WO2002090652A1 Fibrous web and process for the preparation thereof
11/14/2002WO2002090651A1 Method for recycling pulp rejects
11/14/2002WO2002090206A1 A packaging laminate for a retortable packaging container
11/14/2002US20020168508 Medical packaging substrate
11/14/2002US20020166648 Process for manufacturing paper
11/14/2002CA2446548A1 A packaging laminate for a retortable packaging container
11/14/2002CA2446338A1 Sizing dispersion
11/14/2002CA2444795A1 Fibrous web and process for the preparation thereof
11/13/2002EP1256655A1 Sizing dispersion
11/13/2002EP1256549A1 Method for producing calcium carbonate
11/13/2002EP1255893A1 Fluorescent agents
11/13/2002EP1235758A4 Multi-phase calcium silicate hydrates, methods for their preparation, and improved paper and pigment products produced therewith
11/13/2002EP1216260A4 Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or nonionic dispersion polymers
11/13/2002EP0775235B1 Method for making soft tissue using cationic silicones
11/12/2002US6479164 Method for preparing composite materials from renewable raw materials
11/12/2002US6478980 Textile coating composition
11/10/2002CA2385485A1 Use of hydrophobically modified polyaminamides with polyethylene glycol esters in paper products
11/07/2002WO2002088468A2 Method for production of fibrous moulded bodies
11/07/2002WO2002088466A1 Method and device for charging fibres contained in a fibrous suspension with calcium carbonate
11/07/2002WO2002048457A3 Soft tissue with improved lint and slough properties
11/07/2002US20020162638 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
11/07/2002CA2445658A1 Method and device for charging fibres contained in a fibrous suspension with calcium carbonate
11/06/2002EP1254189A1 Method for obtaining polyamidoamine-epichlorhydrin resin suited for making wet-strength paper with low monochloro-3-propanediol-1,2 content
11/06/2002EP1253999A1 Treatment of natural polymer based materials and the products based thereon
11/06/2002EP1084299B1 Device for the deacidification of printed matter
11/06/2002EP0910699B1 Process for improving printing paper
11/06/2002EP0866899B1 Method of creping tissue webs containing a softener using a closed creping pocket
11/06/2002CN1378427A Smoking article wrapper with improved filler
11/05/2002US6475341 Process for making paper
10/2002
10/31/2002WO2002086238A1 Filler and a process for the production thereof
10/31/2002WO2002066734A3 Soft absorbent tissue
10/31/2002WO2002052103A3 Process for incorporating poorly substantive paper modifying agents into a paper sheet via wet end addition
10/31/2002US20020160179 Paperboard
10/31/2002DE10120637A1 Verfahren zum Beladen von Fasern A method for loading fibers
10/31/2002DE10120636A1 Verfahren und Vorrichtung zur Aufbereitung von insbesondere der Papierherstellung dienendem Stoff Method and apparatus for treatment of particular papermaking fabric dienendem
10/31/2002DE10120635A1 Verfahren und Vorrichtung zum Beladen von Fasern mit Calciumcarbonat A method and apparatus for loading fibers with calcium carbonate