| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 04/18/2002 | CA2423881A1 Coating method and coating apparatus |
| 04/17/2002 | EP1196249A1 Method and apparatus for spreading treating agent on a moving web |
| 04/17/2002 | EP0814918A4 Methods and apparatus for controlled placement of a polymer composition into a web |
| 04/16/2002 | US6372360 Fire retardant treatment |
| 04/16/2002 | US6372046 Device for the direct or indirect application of a liquid or viscid coating medium onto a moving material web |
| 04/11/2002 | DE10050109A1 Preparation of a fiber suspension, as paper/cardboard pulp, has a mixing pipe for the main mixed suspension flow with an elbow where an additional suspension is injected with a bulking agent |
| 04/11/2002 | DE10047167A1 Vorhang-Auftragsvorrichtung Curtain coater |
| 04/10/2002 | EP1194647A1 Colorant application on the wet end of a paper machine |
| 04/09/2002 | US6368666 Discharging aperture; distribution pipe; panel |
| 04/09/2002 | US6368459 Film transfer coater allows for high speed, fully supported web |
| 04/04/2002 | US20020039181 Modeling a coloring process |
| 04/03/2002 | EP1192314A1 Soft tissue product exhibiting improved lint resistance and process for making |
| 04/03/2002 | EP0950138B1 Processes of making paper and materials for use in this |
| 04/03/2002 | EP0800598B1 Process of manufacture for a coloured fibre material, containing a certain proportion of cellulose fibres, such as paper and nonwoven |
| 03/28/2002 | WO2002025013A1 A process for the production of paper |
| 03/28/2002 | WO2002025012A1 Method and apparatus for feeding chemicals into a liquid flow |
| 03/28/2002 | US20020035964 Curtain applicator |
| 03/28/2002 | DE10046171A1 Verfahren und Vorrichtung zum Auftragen eines flüssigen oder pastösen Auftragsmediums auf eine laufende Materialbahn Method and apparatus for applying a liquid or pasty application medium to a moving material web, |
| 03/27/2002 | EP1191144A1 Curtain coating apparatus |
| 03/27/2002 | EP1191143A1 Process for manufacture of wear resistant paper useful in forming decorative laminates |
| 03/27/2002 | EP1190139A1 Process and apparatus for applying chemical papermaking additives to web substrate |
| 03/27/2002 | EP1189703A1 Coater and coating method |
| 03/27/2002 | EP1025311B1 Production of mottled paper |
| 03/27/2002 | EP0856085B1 Method and apparatus for coating a moving paper or cardboard web |
| 03/21/2002 | US20020033245 Coagulation, flocculation, controlling particle size |
| 03/20/2002 | EP1188861A2 Device and process for applying a fluid or pasty material onto a moving web |
| 03/20/2002 | EP0704008B1 Method and equipment for two-sided coating of a printing-paper web |
| 03/20/2002 | CN1081263C Production method for mottled paper |
| 03/19/2002 | US6358558 Supplying treating agent to applicator chamber of apparatus; supplying treating agent into feed chamber, feed chamber being in fluid communication with applicator chamber; providing feed chamber with shunt line to remove excess agent |
| 03/19/2002 | US6358368 Support beam unit method of adjustment for a support beam unit |
| 03/14/2002 | US20020029861 Method for manufacturing paper having variable characteristics |
| 03/14/2002 | US20020029860 Moisture barrier paper and process for making the same |
| 03/14/2002 | DE10043893A1 Verfahren zur Durchführung eines der Faser- oder Papierherstellung dienenden Flotations-, Bleiche- und/oder Dispergierprozesses A method for carrying out a fiber or paper manufacturing serving flotation, Bleiche- and / or dispersion process |
| 03/13/2002 | EP1186706A2 Treatment of fibres or paper |
| 03/13/2002 | EP0946820B1 Method and device for conducting a process in the production of paper |
| 03/13/2002 | EP0946815B1 Means and device for conducting a process in the production of fibrous material from wood |
| 03/12/2002 | US6355330 Continuous solid state web coating process and webs produced thereby |
| 03/07/2002 | WO2002000998A8 Precalendering method, finishing method and apparatus for implementing the methods |
| 03/07/2002 | US20020028230 Composition containing moisture regulators for tissue products, process for the production of these products, use of the composition for the treatment of tissue products as well as tissue products in the form of wet-laid, including TAD, or air-laid products (non-wovens) on the basis of sheet-like support materials containing primarily cellulose fibers |
| 03/06/2002 | EP0986578B1 Composition containing flour and application thereof for making paper |
| 03/06/2002 | CA2356586A1 A method for the carrying out of a flotation, bleach and/or dispersion process serving for the manufacture of fiber or paper |
| 02/28/2002 | US20020025430 Includes an intermediate coat of a dispersion polymer film containing a protective colloid and/or an emulsifying agent between the paper carrier and adhesive coating; adhesive does not completely break down during pulping for recyclablility |
| 02/28/2002 | US20020023587 Chambered doctor blade system for water-based and UV-based coatings |
| 02/27/2002 | CN1338015A Aqueous polymeric emulsion compositions and their use for the sizing of paper |
| 02/27/2002 | CN1337492A Water soluble paper and its making process |
| 02/27/2002 | CN1079866C Process for production of paper |
| 02/21/2002 | WO2002014603A1 Method for adding pigment to paper |
| 02/21/2002 | WO2002014602A1 Use of starch compositions in papermaking |
| 02/21/2002 | WO2001049923A3 Method of applying chemicals to a creped tissue peper |
| 02/21/2002 | CA2423386A1 Use of starch compositions in papermaking |
| 02/14/2002 | WO2002012626A1 A process for the production of paper |
| 02/14/2002 | WO2002012624A1 Sizing dispersion |
| 02/14/2002 | WO2002012623A1 Process for sizing paper |
| 02/14/2002 | WO2002012622A1 Process for sizing paper |
| 02/14/2002 | WO2002012621A1 Process for the preparation of paper having a special appearance |
| 02/14/2002 | WO2002012620A1 Method for manufacturing a coated fibre web, improved paper or board machine and coated paper or board |
| 02/14/2002 | US20020018855 Apparatus for decreasing skip coating on a paper web |
| 02/14/2002 | CA2418878A1 Method for manufacturing a coated fibre web, improved paper or board machine and coated paper or board |
| 02/14/2002 | CA2418416A1 Sizing dispersion |
| 02/12/2002 | US6346148 Apparatus for coating a moving web with at least two coat layers |
| 02/07/2002 | WO2001049932A3 A method of applying treatment chemicals to fiber-based planar products and products made using same |
| 02/07/2002 | WO2001036740A3 Paper making processes using enzyme and polymer combinations |
| 02/07/2002 | US20020016402 Moistureproof hot melt composition and moistureproof paper |
| 02/06/2002 | EP1177345A1 Paper coating composition with improved optical brighteners carriers |
| 01/31/2002 | US20020011151 Assembly for an air separator and method for controlling the function of the same |
| 01/30/2002 | CN1078530C Apparatus for distribution of particles on paper, process for providing paper with particle coated paper |
| 01/29/2002 | US6342273 Process for coating a substrate with a powder paint composition |
| 01/29/2002 | US6342268 Method for treating a solid material to make it hydrophobic, material obtained and uses |
| 01/29/2002 | US6341522 Water weight sensor array imbedded in a sheetmaking machine roll |
| 01/24/2002 | US20020009549 Coating a continuously-running web with multiple polyvinyl alcohol coating liquids of given physical properties to precisely form multiple layers; for heat sensitive recording paper, pressure sensitive recording paper, printing plates |
| 01/23/2002 | EP1173641A4 An acid colloid in a microparticle system used in papermaking |
| 01/23/2002 | EP1173641A1 An acid colloid in a microparticle system used in papermaking |
| 01/17/2002 | WO2002004745A1 Method and device for single- or double-sided application |
| 01/17/2002 | WO2002004744A1 Application device |
| 01/17/2002 | DE10033213A1 Verfahren und Vorrichtung zum ein- oder beidseitigen Auftragen Method and device for one- or two-sided application |
| 01/17/2002 | DE10032500A1 Auftragsvorrichtung Application device |
| 01/17/2002 | DE10032430A1 Curtain coating applicator for a moving web has an air extraction unit in the moving coating curtain path for effective removal of micro air bubbles for a consistent surface cover at high web speeds and large web widths |
| 01/16/2002 | EP1172133A2 Assembly for an air separator and method for controlling the function of the same |
| 01/16/2002 | EP0941386B1 Production of paper and paper board |
| 01/16/2002 | EP0927280B1 Method of enhancing strength of paper products and the resulting products |
| 01/16/2002 | EP0830123B1 Apparatus and method of making a paper applicator containing a water-insoluble coating and the applicator itself |
| 01/16/2002 | EP0711370B1 Manufacture of paper |
| 01/10/2002 | WO2002002870A2 Process for preparing a paper web |
| 01/10/2002 | WO2001074939B1 Improved methods for dispersing fibers within aqueous compositions |
| 01/09/2002 | EP1170418A1 Coating for paper products |
| 01/03/2002 | WO2002001001A1 Method and apparatus for coating a web with a preferably dry treating agent |
| 01/03/2002 | WO2002000998A1 Precalendering method, finishing method and apparatus for implementing the methods |
| 01/03/2002 | US20020001728 Method of layer-by-layer application of treatment chemicals to fiber-based planar products and products made using same |
| 01/03/2002 | CA2412552A1 Method and apparatus for coating a web with a preferably dry treating agent |
| 01/02/2002 | EP1165889A1 Method for increasing filler retention of cellulosic fiber sheets |
| 01/02/2002 | EP1165886A1 Stabilized filler, its production and use |
| 01/02/2002 | EP1165252A1 Method and device for coating a support using a crosslinkable silicone composition |
| 01/02/2002 | EP0966641B1 Method and device for impregnating and drying a continuous web |
| 01/02/2002 | EP0902855B1 Method of applying a powder coating to a length of a lignocellulosic material |
| 01/02/2002 | EP0885327B1 Activation of swelling clays and processes of using the activated clays |
| 01/01/2002 | CA2027880C On-line coater apparatus |
| 12/27/2001 | WO2001098585A1 Calendering method especially for precalendering and a calender for implementing the method |
| 12/27/2001 | WO2001097980A1 Method and device for applying a liquid composition on a surface of a longitudinally moving flexible strip |
| 12/25/2001 | US6332953 Paper product having enhanced printing properties and related method of manufacture |
| 12/20/2001 | WO2001096661A1 Formation of oriented multilayer polymeric films |