| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 10/22/2002 | US6468592 Applying a pigment coating to a paper or cardboard strip |
| 10/22/2002 | US6468588 Web of paper, cardboard or boxboard or an applicator roll, uniform coating application; the feed device is arranged before the back-up chamber entrance bounding element. |
| 10/22/2002 | US6468392 Surface treatment of cellulose web |
| 10/17/2002 | WO2002081102A1 Device for suctioning an air boundary layer from a running web of material |
| 10/17/2002 | WO1997032074A3 Method of preparing a sheet of a lignocellulosic material for the manufacture of a finished product and method of manufacture of a finished product |
| 10/17/2002 | US20020148581 A paper product from cellulose pulp, part of which comes from a broke and part of which comes from a fresh pulp; flexible regulation of pH; acidification by injecting carbon dioxide |
| 10/17/2002 | US20020148580 Useful for applying a coating liquid to the surface of base paper traveling continuously |
| 10/17/2002 | EP0880619A3 Method of preparing a sheet of a lignocellulosic material and method of manufacture of a finished product therefrom |
| 10/17/2002 | DE10118631A1 Paper machine paste application jet has temperature regulation channels incorporated in parallel lips |
| 10/16/2002 | EP1249533A1 Process for making multilayer coated paper or paperboard |
| 10/16/2002 | EP0910698B1 Chemically enhanced multi-density paper structure |
| 10/16/2002 | CN1092735C Method for producing surface-treated paper and dry end of paper machine |
| 10/10/2002 | WO2002079568A1 Method for preparing fibrous material |
| 10/10/2002 | DE10117667A1 Vorrichtung zum Absaugen einer Luftgrenzschicht von einer laufenden Materialbahn A device for sucking an air boundary layer from a running material web |
| 10/10/2002 | CA2442804A1 Method for preparing fibrous material |
| 10/09/2002 | EP1246967A2 A method of applying treatment chemicals to fiber-based planar products and products made using same |
| 10/09/2002 | CN1092270C Clay compositions and their use in paper making |
| 10/08/2002 | US6461671 Paper coating apparatus and method for coating paper |
| 10/08/2002 | US6461476 Uncreped tissue sheets having a high wet:dry tensile strength ratio |
| 10/08/2002 | US6461469 Method for the manufacture of a finished product from a lignocellulosic material |
| 10/03/2002 | US20020139502 Cationic organic polymer having a hydrophobic group and an anionic microparticulate |
| 10/03/2002 | US20020139500 Method for using water insoluble chemical additives with pulp and products made by said method |
| 10/02/2002 | EP1245732A1 Apparatus for coating moving webs, in particular paper webs and carton webs |
| 10/02/2002 | EP1244855A1 A method of applying treatment chemicals to a fiber-based planar product via a revolving belt and planar products made using said method |
| 10/02/2002 | EP1244854A1 Apparatus and method for preventing the direction of a harmful jet from a spraying nozzle on a web |
| 10/02/2002 | EP1244853A1 Apparatus for spreading treating mix on a moving paper - or carboard web |
| 10/02/2002 | DE10115421A1 Verfahren und Aufbereitung von Faserstoff The method and preparation of pulp |
| 10/02/2002 | CN1372612A Surface finishing of paper or board, and agent for this purpose |
| 10/02/2002 | CN1372039A Domestic paper with antibiosis and making method thereof |
| 10/02/2002 | CN1091822C Thermal resistance gasket paper for stainless steel sheet and its prodn. method |
| 09/26/2002 | WO2002074450A2 Method of high speed coating with pigment-containing liquid coating materials |
| 09/26/2002 | US20020133972 Apparatus for coating moving fiber webs |
| 09/26/2002 | DE10114284A1 Mass sizing of paper or similar products, particularly where prepared from recycled material, with addition of the size at a high consistency stage |
| 09/25/2002 | EP1242811A1 Method and apparatus for controlling the manufacturing quality of a moving web |
| 09/25/2002 | EP1242686A1 A method and equipment for manufacturing release paper |
| 09/25/2002 | EP1242685A1 Manufacture of paper and paperboard |
| 09/25/2002 | EP1242684A1 Curtain coater and method for curtain coating |
| 09/25/2002 | EP1242683A1 A method of applying frozen treatment chemicals to a fiber-based planar product and resulting products |
| 09/25/2002 | EP1242308A1 Silica-based sols |
| 09/25/2002 | EP1071388B1 Methods for forming a fluted composite |
| 09/24/2002 | US6455168 Moistureproof hot melt composition and moistureproof paper |
| 09/24/2002 | US6454902 Manufacture of paper and paperboard |
| 09/24/2002 | US6454859 Curtain applicator |
| 09/19/2002 | WO2002072954A1 Method in connection with the production of paper or paperboard and a paper or paperboard produced accordingly |
| 09/19/2002 | WO2002072953A1 Assembly for treating a web of paper or paperboard |
| 09/19/2002 | WO2002072952A1 Method for coating a web of paper or paperboard and a coated paper grade |
| 09/19/2002 | WO2002072951A2 Method for treating pulp with water insoluble chemical additives |
| 09/19/2002 | US20020131325 Method and apparatus for feeding a chemical into a liquid flow |
| 09/19/2002 | US20020129766 Method of high speed coating pigment-containing liquid coating materials |
| 09/19/2002 | DE10110633A1 Auftragsvorrichtung Application device |
| 09/19/2002 | CA2440300A1 Assembly for treating a web of paper or paperboard |
| 09/19/2002 | CA2439703A1 Method for coating a web of paper or paperboard and a coated paper grade |
| 09/18/2002 | EP1240390A1 Method and assembly for supporting a paper and board web in finishing equipment |
| 09/17/2002 | US6452679 Method and apparatus for controlling the manufacturing quality of a moving web |
| 09/17/2002 | US6451170 Aqueous slurries; cooking |
| 09/17/2002 | CA2207017C Method and adjuvant composition to improve retention of particles on a wire screen |
| 09/17/2002 | CA2180404C Process for the production of paper |
| 09/12/2002 | US20020124796 Applicator |
| 09/11/2002 | EP1239078A1 Curtain coater |
| 09/11/2002 | EP1238161A1 Manufacture of paper and paperboard |
| 09/11/2002 | EP1238160A1 Manufacture of paper and paperboard |
| 09/10/2002 | US6448148 Method for forming a thin film |
| 09/10/2002 | US6447643 Method of producing a wetlaid thermobonded web-shaped fibrous material and material produced by the method |
| 09/06/2002 | WO2002038858A3 A method and a paper machine line for the manufacture of coated fine paper |
| 09/05/2002 | US20020121350 First flow conveyed through a tube, and turbulence is generated in it by form parts on the inner periphery of the tube; second flow from a feed channel outside the tube, whereby flows are mixed as a result of the turbulence |
| 09/03/2002 | US6444090 Controlling fluid flow using valves and damping pulsations of sprays to paper or cardboards; jets |
| 09/03/2002 | US6444030 Apparatus for applying a liquid or viscid coating medium onto a moving fiber material web |
| 08/29/2002 | WO2002066740A1 Lotioned and embossed tissuepaper |
| 08/29/2002 | WO2002066739A1 Coating and method for producing coated paper or cardboard |
| 08/28/2002 | EP1234912A2 Coating apparatus and coated-paper manufacturing method |
| 08/28/2002 | EP1234072A1 Sanitary tissue products with improved flushability |
| 08/28/2002 | EP1234071A1 Method for producing a glass mat |
| 08/28/2002 | EP0950137B1 Controlled coverage additive application to paper tissue |
| 08/28/2002 | EP0880620B1 Process for making filled paper |
| 08/22/2002 | US20020114891 Continuously preparing premix silicone elastomer formulation and mixture of catalyst, crosslinking inhibitor, and adhesion promoter; conveying homogenous mixture to coating means; coating the traveling support strip of textile material |
| 08/21/2002 | EP1233107A1 Embossed and lotioned tissue |
| 08/21/2002 | CN1089388C Absorbent material and production thereof |
| 08/20/2002 | US6436238 Alkaline fine papermaking at neutral ph using chemical and mechanical pulps; high conductivity stabilization of wet end and enhanced water removal |
| 08/20/2002 | US6436232 Precipitating calcium carbonate in situ from calcium hydroxide and carbon dioxide in medium consistancy pulp; higher content and retention |
| 08/20/2002 | US6436231 Preparing individual treated fibers from mat; curing with such as citric acid; themobonding agent such as bicomponent core and sheath of polypropylenes with different melting points; high wet strength web; absorbent |
| 08/14/2002 | EP1231321A2 Apparatus and method for applying a fluid to a paper web |
| 08/14/2002 | EP1230035A2 Method for production of a foil-like support material coated with an adhesive |
| 08/13/2002 | US6432201 Device for applying a coating substance to a continuous paper web |
| 08/07/2002 | EP1228273A1 Manufacture of paper and paperboard |
| 08/07/2002 | EP1227930A1 Non-abrasive composite doctor blade |
| 08/07/2002 | EP0800597B1 Method for enhancing retention in a paper making process, and use of a retention agent therefor |
| 08/07/2002 | CN1088777C Production of filled paper and compositions for use in this |
| 08/07/2002 | CN1088776C Activation of swelling clays and processes of using the activated clays |
| 08/06/2002 | US6428853 Coating device and process for coating |
| 08/01/2002 | US20020102372 Support beam |
| 08/01/2002 | US20020100568 Introducing fibrous cationic colloidal alumina microparticles to papermaking pulp and introducing polymer selected from cationic polymer, a nonionic polymer, or amphoteric polymer to form treated pulp which is formed into paper or paperboard |
| 08/01/2002 | US20020100567 Process for sizinc paper |
| 08/01/2002 | US20020100564 Paper web with pre-flocculated filler incorporated therein |
| 07/31/2002 | EP1226309A1 Cast coated sheet and method of manufacture |
| 07/31/2002 | CN2503110Y Impregnating device for tobacco thin paper |
| 07/30/2002 | CA2185108C Process for applying a thin film containing low levels of a functional-polysiloxane and a nonfunctional-polysiloxane to tissue paper |
| 07/25/2002 | US20020096290 Process for sizing paper |
| 07/25/2002 | US20020096289 Process for the production of paper |
| 07/25/2002 | US20020096275 Sizing dispersion |
| 07/24/2002 | EP1224035A1 Method and apparatus for deacidification of papers and books |