Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452)
07/2003
07/17/2003WO2003057988A1 Method for the application of a viscous composition to the surface of a paper web and their products
07/17/2003WO2003057987A2 Method for reducing bad smells in paper
07/17/2003WO2003057984A1 Toilet tissue and method of production
07/17/2003US20030131962 And a polymeric anionic compound that reacts with the polyvinylamine; improved wet strength
07/17/2003US20030131960 High utility tissue
07/17/2003CA2470240A1 Toilet tissue and method of production
07/15/2003US6592718 Method of improving retention and drainage in a papermaking process using a diallyl-N,N-disubstituted ammonium halide-acrylamide copolymer and a structurally modified cationic polymer
07/15/2003US6592669 Apparatus for decreasing skip coating on a paper web
07/10/2003WO2003056102A1 Method and apparatus for making a multilayer coating
07/10/2003US20030127210 Sizing paper by wet-end addition of water dispersibility polyester
07/10/2003US20030127209 Method of adsorption of cationic and anionic polymers on the surface of particles and paper or nonwoven products containing such particles
07/10/2003US20030127207 Antimicrobially-treated fabrics
07/10/2003DE20306931U1 Coating a moving fabric piecegoods surface replaces a calender roller with a presser roller for coating from a co-extrusion plastics jet dispenser
07/09/2003CN1429301A Method for treating surface of paper substrate and device for carrying out said method
07/09/2003CN1429300A Process for making paper
07/09/2003CN1429299A Papermaking pulp and flocculant comprising acidic aqueous alumina sol
07/08/2003US6589388 Machine calendering paper while wet and lightly coating; lower cost
07/08/2003US6589340 Machine for direct or indirect application of a liquid or viscous coating medium onto a moving surface
07/08/2003CA2273493C Paper compound material with repulp-resistant adhesive coating
07/03/2003WO2003054300A1 High gloss calcium carbonate coating compositions and coated paper and paper board manufactured from same
07/03/2003WO2003053597A1 Method and apparatus for curtain coating
07/03/2003US20030121627 Applying latex onto a multilayer web
07/03/2003CA2470848A1 High gloss calcium carbonate coating compositions and coated paper and paper board manufactured from same
07/02/2003EP1322816A1 Method for processing paper strips, and paper to be impregnated with synthetic resins
07/01/2003US6584703 Method for controlling the moisture of a web in machine direction on a coating machine and calender
06/2003
06/26/2003WO2003052206A1 A paper product comprising a polyvinylamine polymer
06/26/2003WO2003052205A1 Method for producing paper, paperboard and cardboard
06/26/2003WO2003052204A1 Sizing method for board
06/26/2003WO2003052197A2 Polyvinylamine treatments to improve dyeing of cellulosic materials
06/26/2003US20030118848 Method for the application of hydrophobic chemicals to tissue webs
06/26/2003US20030118847 Method for the application of viscous compositions to the surface of a paper web and products made therefrom
06/26/2003DE20306938U1 Assembly to remove boundary layer of air from web surface immediately prior to application of liquid or paste medium
06/26/2003CA2469758A1 Method for producing paper, paperboard and cardboard
06/26/2003CA2469039A1 A paper product comprising a polyvinylamine polymer
06/25/2003CN1112477C Sizing of paper
06/24/2003US6584372 Dye rate control for paper web color change
06/24/2003US6582821 Cast coated sheet and method of manufacture
06/24/2003US6582560 Treating a fibrous web prior to the finishing operation at a pulp mill with a water insoluble chemical additive
06/24/2003US6582555 Applying a foam to a wet or dry tissue web using an extrusion head of a foam applicator wherein the extrusion head includes a flexible scraper
06/19/2003WO2003050356A1 An apparatus and a method for controlling the alkalinity and ph of an industrial process
06/19/2003WO2003050352A1 Method for finishing board
06/19/2003US20030113564 Biodegradable coated substrates
06/19/2003US20030113455 Spreading a small amount of liquid (especially water) evenly.
06/18/2003EP1319747A2 Method and apparatus for curtain coating
06/18/2003EP1319105A1 A process for the production of paper
06/18/2003EP1080272B1 A process for the production of paper
06/18/2003EP1080271B1 A process for the production of paper
06/18/2003DE10204285C1 For increased paper web strength, web surface is sprayed with glue, and web passes directly through wide nip between hard roller and rotating mantle
06/17/2003US6579574 Repeatedly electrically altering the electrostatic field during spraying, thereby repeatedly changing the pattern.
06/17/2003US6579368 Apparatus for the application of a liquid or pasty medium to a moving fiber web
06/17/2003US6579366 Coating machine for direct or indirect coating of a material web
06/12/2003WO2003048453A1 Tissue products having reduced lint and slough
06/12/2003WO2003047762A1 Strewing apparatus
06/12/2003US20030106659 Method for improving printability and coatabililty of paper and board
06/11/2003EP1317579A1 Method and apparatus for coating a web with a preferably dry treating agent
06/11/2003CN1423717A Paper making processes using enzyme and polymer compositions
06/10/2003US6576336 Water soluble emulsion polymer binder blend of conjugated diene as monomer or comonomer, and a second emulsion containing an acrylic polymer, graphite particles
06/10/2003US6576059 Chambered doctor blade system for water-based and UV-based coatings
06/05/2003US20030104124 Even distribution of small hard particles of semi-conducting material
06/04/2003EP1315865A1 Method for adding pigment to paper
06/04/2003EP1084298B1 Device for applying a coating substance to a continuous paper web
06/04/2003EP0935696B1 Method and arrangement for coating a moving paperboard web
06/04/2003EP0804292B1 Method and apparatus for coating substrates using an air knife
06/04/2003CN1422347A Method of adsorption of cationic and anionic polymers on the surface of particles and paper or nonwoven product containing such particles
05/2003
05/30/2003WO2003044274A1 Process for sizing paper and sizing composition
05/30/2003CA2473653A1 Process for sizing paper and sizing composition
05/28/2003EP1314822A1 Process for sizing paper and sizing composition
05/28/2003EP1313918A1 Use of starch compositions in papermaking
05/27/2003CA2230028C Film applicator with entrained air removal and surface control
05/22/2003WO2003042456A1 Method for releasing laminated materials
05/22/2003WO2002085538A3 Variable electrostatic spray coating apparatus and method
05/22/2003US20030094254 Comprises atomized air flow, for use on paper webs or other hygroscopic materials
05/22/2003US20030093916 Process for producing dried singulated cellulose pulp fibers using a jet drier and injected steam and the product resulting therefrom
05/22/2003CA2465484A1 Method for releasing laminated materials
05/21/2003EP1311724A1 Method for manufacturing a coated fibre web, improved paper or board machine and coated paper or board
05/21/2003CN1109161C Chemically enhanced multi-density paper structure and method for making same
05/20/2003US6565961 Absorbent articles
05/15/2003WO2003040473A2 Foam treatment of tissue webs
05/15/2003WO2003039763A2 Method for applying an application medium to continuous web of material
05/15/2003WO2002095131A3 Uncreped tissue paper having a high wet: dry tensile strength ratio
05/15/2003WO2002038865A3 Foam treatment of tissue products
05/15/2003US20030092549 Coating rod for paper manufacturing machines
05/15/2003US20030089309 Device for the application of fluid materials to a surface of a strip material
05/14/2003EP1309758A1 A process for the production of paper
05/14/2003EP1309756A1 Process for sizing paper
05/14/2003EP1309755A1 Process for sizing paper
05/14/2003CN1417414A Making process of paper with attachment
05/13/2003US6562196 Method for optimizing the degree of flocculation
05/08/2003WO2002083324A3 Applicator
05/08/2003US20030087086 Composite for removing moisture, liquid and odors with anti-microbial capability
05/08/2003US20030085009 Method of using a nozzle apparatus for the application of the foam treatment of tissue webs
05/07/2003EP1042553B1 Method and equipment for controlling properties of paper
05/07/2003CN1415799A Red brown paper dipped with metlbond
05/06/2003US6558754 Apparatus for distribution of particles on paper, process for providing paper with particles and particle coated paper
05/06/2003US6558456 Apparatus for controlling mist and dust in the manufacture and finishing of paper and board
05/06/2003CA2282678C Method and device for coating a substrate to provide it with antiadhesive properties, using a cross-linkable silicon composition
05/03/2003CA2417905A1 Coated paper and process for producing same
05/02/2003EP1305471A1 Modeling a coloring process
05/02/2003EP0963486B1 Composition containing a humidity regulator, for tissue products
05/01/2003WO2003035976A1 Adjustable manufacturing equipment for web-like material
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