| 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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| 06/05/2002 | EP1082493A4 Papermaking process utilizing hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide as retention and drainage aids |
| 06/05/2002 | EP1007787B1 Process for producing multi-layered tissue paper products |
| 06/05/2002 | EP0734474B1 Lotion composition for tissue paper |
| 06/05/2002 | CN1086005C Pre-formed materials for printed circuit board |
| 06/05/2002 | CN1085982C Process for preparing dry strength additive for paper and use thereof |
| 06/04/2002 | US6398912 Additive for paper making |
| 06/04/2002 | US6398911 Used as coatings on paper sheets; strengthening agents, binders, emulsifiers and adhesives |
| 06/04/2002 | US6398860 Water soluble diorganopolysiloxane with aminoalkyl groups; improved sheet separation |
| 06/04/2002 | CA2044021C Cross-linked anionic and amphoteric polymeric microparticles |
| 05/30/2002 | WO2002042557A1 Solidifying agent and/or stabilizer |
| 05/30/2002 | WO2002012388A3 Process for the production of chemically or enzymatically modified polysaccharides, and products made thereby |
| 05/30/2002 | WO2002008515A3 Cross linked polyamide-epihalohydrin creping additives |
| 05/30/2002 | US20020062938 Process for the production of paper |
| 05/30/2002 | US20020062934 Non-woven web made with untreated clarifier sludge |
| 05/30/2002 | US20020062911 Method of using water-borne epoxies and urethanes in print bonding fluid and products made therefrom |
| 05/30/2002 | US20020062834 Low sidestream smoke cigarette with combustible paper |
| 05/29/2002 | EP1208268A1 Novel quaternary compounds, compositions containing them, and uses thereof |
| 05/29/2002 | EP0889998B1 Temporary wet strength paper |
| 05/28/2002 | US6395134 Manufacture of paper and paperboard |
| 05/28/2002 | CA2172878C Fire-resistant sheet material |
| 05/23/2002 | WO2002040773A1 Method and apparatus for treating pulp with filler |
| 05/23/2002 | WO2001088265A3 Papermaking pulp and flocculant comprising acidic aqueous alumina sol |
| 05/23/2002 | US20020060013 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 |
| 05/23/2002 | US20020059999 Method for reducing alkaline darkening of mechanical pulp containing a calcium carbonate filler |
| 05/23/2002 | US20020059990 Non-woven web having unique liquid resistance and dimensional stability |
| 05/23/2002 | US20020059886 Fiber cement composite materials using sized cellulose fibers |
| 05/22/2002 | EP1207233A2 High opacity decorative base paper |
| 05/22/2002 | EP1207045A2 Ink-jet recording apparatus and recording medium |
| 05/22/2002 | CN1085278C Filter and retention aid for straw pulp for making paper |
| 05/21/2002 | US6391532 Photographic paper containing calcium carbonate |
| 05/21/2002 | US6391156 Manufacture of paper and paperboard |
| 05/21/2002 | US6390305 Saturant binder systems for high performance air and oil filters |
| 05/20/2002 | CA2361846A1 Multi-ply lotioned tissue paper and method of manufacture |
| 05/16/2002 | WO2002038345A1 Method for producing a shaped part |
| 05/16/2002 | US20020058728 Immersing binding agent into paper body; immersing second binding agent into paper body; heating and curing paper body to obtain wet type friction material |
| 05/16/2002 | US20020058179 Electrical conducting, non-woven textile fabric |
| 05/16/2002 | DE10147683A1 Offset printing paper for newspaper, is formed by coating surface-treating agent having water-soluble polymer, surface sizing agent which is copolymer of styrene-anionic or olefin-anionic monomer on base paper, drying |
| 05/15/2002 | EP1205529A1 Mica-based fireproofing for use in aeronautical applications |
| 05/15/2002 | EP1204796A1 Method for the manufacture of a finished product from a lignocellulosic material |
| 05/15/2002 | EP0988421B1 Method of making lignocellulosic board |
| 05/15/2002 | EP0750701B1 Paper opacifier |
| 05/15/2002 | CN1349577A Process for production of paper materials with improved wet strength |
| 05/15/2002 | CN1349480A Silica-based sols |
| 05/15/2002 | CN1349479A Silica-based sols |
| 05/15/2002 | CN1084817C Process for thermal mechanical surface treatment of material webs, using adhesive agents |
| 05/14/2002 | US6387690 Endoglucanases |
| 05/14/2002 | US6387212 Process for obtaining fibers integral with calcium carbonate particles |
| 05/14/2002 | US6387210 Method of making sanitary paper product from coarse fibers |
| 05/10/2002 | WO2002036637A1 Use of carboxymethyl cellulose acetate butyrate |
| 05/10/2002 | WO2002036272A1 Cellulose-based fire retardant composition |
| 05/10/2002 | WO2002012620A8 Method for manufacturing a coated fibre web, improved paper or board machine and coated paper or board |
| 05/10/2002 | WO2001046303A3 Hydroxy-phenoxyether polymer/fiber composites and foams |
| 05/10/2002 | WO2001036543A8 Oligomeric methine dyes |
| 05/10/2002 | CA2427581A1 Cellulose-based fire retardant composition |
| 05/09/2002 | US20020053413 Method for using hydrophobically associative polymers in preparing cellulosic fiber compositions, and cellulosic fiber compositions incorporating the hydrophobically associative polymers |
| 05/09/2002 | US20020053412 Polyamide epichlorohydrin resins combined with polysiloxanes |
| 05/08/2002 | EP1203122A1 Sizing emulsion |
| 05/08/2002 | EP1203120A1 Composition for the impregnation of paper, method for the production thereof, impregnated paper and laminate comprising said impregnated paper |
| 05/08/2002 | EP0988420B1 Method for treating a lignocellulosic material |
| 05/08/2002 | EP0960140B1 Method for producing polymers containing carbamate units and the use thereof |
| 05/08/2002 | CN1348473A Bifunctional polymers |
| 05/08/2002 | CN1084415C Method for producing hydrolyzable paper sheet |
| 05/08/2002 | CN1084343C Amphoteric water-soluble polymer disperser and its production and application |
| 05/02/2002 | WO2002035003A1 Emulsification of alkenyl succinic anhydride size |
| 05/02/2002 | WO2001046523A3 Hydroxy-phenoxyether polymers in papermaking |
| 05/02/2002 | US20020052459 A water-soluble, crosslinkable protective colloid of sulphonic acid- or sulphonate-containing unsaturated monomers and N-methylol or N-alkoxymethyl-containing unsaturated monomers; polyampholytes; low molecular weights; binders; paints |
| 05/02/2002 | EP1200351A1 Electrolytic purification of calcium carbonate |
| 05/02/2002 | EP1007529B1 Sugar based vinyl monomers and copolymers useful in repulpable adhesives and other applications |
| 05/01/2002 | CN1083920C Tissue paper contg. fine particulate filler |
| 05/01/2002 | CN1083919C Paper products contg. biodegradable vegetable oil based chemical softening composition |
| 04/30/2002 | US6380299 Stable aqueous dispersions for sizing paper |
| 04/30/2002 | US6380174 For controlling the formation of slime in paper-manufacturing |
| 04/30/2002 | US6379501 Cellulose slurry with aluminum compound and metal silicate complex |
| 04/30/2002 | US6379500 Silica-based sols |
| 04/30/2002 | US6379499 Polymer-aldehyde additives to improve paper properties |
| 04/30/2002 | US6379498 Method for adding an adsorbable chemical additive to pulp during the pulp processing and products made by said method |
| 04/30/2002 | US6379446 Methods for dispersing fibers within aqueous compositions |
| 04/25/2002 | WO2002033172A1 Paper sizing composition |
| 04/25/2002 | WO2002033171A1 Manufacture of paper and paperboard |
| 04/25/2002 | WO2002032855A2 Mono- and polyamides of perfluoroalkyl-substituted unsaturated acids |
| 04/25/2002 | WO2002032830A2 Fiber cement composite material using biocide treated durable cellulose fibers |
| 04/25/2002 | WO2001098064A3 Molding of reinforced thermoplastic composites |
| 04/25/2002 | WO2001062938A3 Variant galactose oxidase, nucleic acid encoding same, and methods of using same |
| 04/25/2002 | US20020046819 Kraft waste reclamation methodology |
| 04/25/2002 | DE10050241A1 Starch, useful for the production of paper and wood fiber products, is in the form of fragments of cross-linked starch particles having an average particle size of the dry product of 1-1000 microns |
| 04/25/2002 | CA2425160A1 Mono- and polyamides of perfluoroalkyl-substituted unsaturated acids |
| 04/24/2002 | EP1199405A1 Process for crosslinking a nonwoven web using a dual crosslinking system |
| 04/24/2002 | EP1198503A1 High molecular weight zwitterionic polymers |
| 04/24/2002 | EP0951505B1 Polymer-modified starch, method for its production, and its use |
| 04/24/2002 | EP0749508B1 Improved paper making process |
| 04/24/2002 | CN1346417A 施胶组合物 Sizing composition |
| 04/24/2002 | CN1083515C Chemically softened tissue paper products containing a polysiloxane and an ester-functional ammonium compound |
| 04/24/2002 | CN1083510C Methods and agents for improving paper printability and strength |
| 04/24/2002 | CN1083509C Production of filled paper |
| 04/23/2002 | US6376578 Wet strength; for paper |
| 04/23/2002 | US6375798 Derivatized malto-oligosaccharides, methods for trash scavenging, and process for preparing a paper web |
| 04/23/2002 | US6375794 Porous aggregates of calcium carbonate precipitated onto the surface of noil which fibrils are produced by refining from cellulose fibre and/or mechanical pulp fiber; adhesion; spacings; optics; tensile strength; papermaking |
| 04/23/2002 | US6375788 Method of coating melamine resin on laminating paper |
| 04/23/2002 | CA2192179C Lotioned tissue paper |
| 04/23/2002 | CA2048618C A method of de-inking waste paper materials |