| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 01/12/2003 | CA2390337A1 Liquid-resistant paperboard tube, and method and apparatus for making same |
| 01/09/2003 | US20030008117 Adsorbers; disposable products |
| 01/08/2003 | EP1272709A1 Application device |
| 01/08/2003 | EP1227930A4 Non-abrasive composite doctor blade |
| 01/08/2003 | EP1040227B1 Slit nozzle for coating strips of material, especially paper or board strips, with a pigment coating |
| 01/08/2003 | CN1390159A Method for production of a foil-like support material coated with an adhesive |
| 01/07/2003 | US6503466 Continuously and at variable concentration loading pulp with calcium carbonate filler; reacting calcium oxide and/or calcium hydroxide with carbon dioxide and/or ozone |
| 01/07/2003 | US6503325 Device and method for applying a coating medium onto a moving surface |
| 01/02/2003 | US20030003137 Method of applying frozen treatment chemicals to a fiber-based planar product and resulting products |
| 01/02/2003 | US20030000670 Method for determining a characteristic value for the binding force potential of suspended paper fibers and use of this method |
| 01/02/2003 | US20030000668 Applying treatment chemicals to revolving belt; bringing revolving belt into contact with the moving tissue paper, thereby transferring treatment formulation from the revolving belt via the contact surface to the moving tissue paper |
| 01/02/2003 | US20030000465 Applicator device |
| 01/02/2003 | EP1270810A2 Coating device |
| 01/02/2003 | EP1268939A1 Method for treating cellulosic fibres |
| 01/02/2003 | EP1268938A1 Spray-coating method and spray-coater |
| 01/02/2003 | EP1268937A1 Method and apparatus for handling a paper or board web |
| 01/02/2003 | EP1268176A1 Paperboard tray having crack-resistant barrier coating |
| 12/31/2002 | US6500302 Aqueous slurry of fibers and foamed liquid carrier; addition of the pulp as low consistency slurry results in excess foamed liquid recovered from the forming wires; making tissue papers |
| 12/27/2002 | WO2002103109A1 Method, paper machine and base paper for the manufacture of lwc printing paper coated once |
| 12/27/2002 | CA2467100A1 Method, paper machine and base paper for the manufacture of lwc printing paper coated once |
| 12/26/2002 | US20020195218 Manufacture of paper and paperboard |
| 12/25/2002 | CN1387598A Manufacture of paper and paperboard |
| 12/25/2002 | CN1387597A Manufacture of paper and paperboard |
| 12/25/2002 | CN1387596A Manufacture of paper and paperboard |
| 12/25/2002 | CN1387595A Manufacture of paper and paperboard |
| 12/25/2002 | CN1387464A Method and apparatus for spreading treating agent on moving web |
| 12/24/2002 | US6497788 Backwater cycle and process for the water circulation of a paper machine |
| 12/19/2002 | WO2002101145A1 Aqueous composition |
| 12/19/2002 | WO2002101144A1 Wet-strength finishing agents for paper |
| 12/19/2002 | WO2002092243B1 Improved short dwell time coater and method |
| 12/19/2002 | CA2447136A1 Wet-strength finishing agents for paper |
| 12/18/2002 | EP1266093A1 Application device |
| 12/18/2002 | EP1266092A1 Method for production of paper |
| 12/18/2002 | EP1266073A1 Method for determining a characteristic value for the binding force potential of suspended paper fibers and use of this method |
| 12/18/2002 | EP1265714A1 Device for the application of fluid materials to a surface of a strip material |
| 12/17/2002 | US6494991 Paper products comprising filler materials preflocculated using starch granules and/or polymerized mineral networks |
| 12/17/2002 | US6494988 Process for improving the surface of offset paper |
| 12/17/2002 | US6494954 Method and apparatus for directly or indirectly applying a liquid or pasty application medium to one or both sides of a continuous surface |
| 12/12/2002 | WO2002099191A1 Method for manufacturing a multilayered pulp product comprising a charge between layers |
| 12/12/2002 | WO2002099189A1 Equipment and method for changing a blade |
| 12/12/2002 | US20020187333 Polyolefin co-extrusion processes and products produced therefrom |
| 12/12/2002 | US20020187302 Absorbent articles |
| 12/12/2002 | US20020187269 Method of applying treatment chemicals to fiber-based planer products and products made using same |
| 12/12/2002 | CA2449878A1 Method for manufacturing a multilayered pulp product comprising a charge between layers |
| 12/12/2002 | CA2448181A1 Equipment and method for changing a blade |
| 12/11/2002 | CN1384898A Cast coated sheet and method of manufacture |
| 12/05/2002 | WO2002072951A8 Method for treating pulp with water insoluble chemical additives |
| 12/05/2002 | US20020182333 Variable electrostatic spray coating apparatus and method |
| 12/05/2002 | DE10126365A1 To coat a moving paper/cardboard web on both sides, a coating is applied indirectly to one side to give a shallow penetration depth, and coated indirectly on the other side with a greater penetration depth |
| 11/28/2002 | WO2002095131A2 Uncreped tissue paper having a high wet: dry tensile strength ratio |
| 11/28/2002 | WO2002095126A2 Device, method and arrangement for pressing two axis-parallel rollers approachable to one another in a device for producing and/or treating a web of material |
| 11/28/2002 | WO2002094556A1 Polyolefin co-extrusion processes and products produced therefrom |
| 11/28/2002 | WO2002094452A2 Application device |
| 11/28/2002 | DE10125379A1 Paper web coating roller compression regulated by jack pressure with pressure sensor in pressure transmission system |
| 11/28/2002 | DE10125378A1 Distance between paper coating parallel rollers regulated by reference to calibrated target gap space/pressure force characteristic relationship |
| 11/28/2002 | DE10125376A1 Paper or carton curtain-coating assembly has combined suction/blower unit disrupting air boundary layer over moving web |
| 11/27/2002 | EP1260627A2 Process for bonding fibrous web |
| 11/27/2002 | EP1260626A2 Process for bonding fibrous web |
| 11/27/2002 | EP0894028B1 Device for application of glue on objects |
| 11/26/2002 | US6485813 Method of stabilizing composite media and media produced thereby |
| 11/26/2002 | US6485555 Sizing composition |
| 11/21/2002 | WO2002092243A1 Improved short dwell time coater and method |
| 11/21/2002 | US20020172771 Supplying coating under pressure to a coater head, causing the coating to flow downstream against direction of moving surface travel, causing coating to flow toward the moving surface, applying some of the coating to surface, merging |
| 11/21/2002 | US20020170691 Method for coating webs |
| 11/20/2002 | EP0993524B1 Method and apparatus for the high speed application of coating to a traveling paper web |
| 11/20/2002 | EP0882156B1 Sizing of paper |
| 11/20/2002 | CN1094540C Process for production of paper |
| 11/19/2002 | US6482886 Method for externally sizing fibrous materials |
| 11/19/2002 | CA2248892C Reverse feed film applicator |
| 11/14/2002 | WO2002090655A1 Method and apparatus for treating paper or board |
| 11/14/2002 | US20020166648 Process for manufacturing paper |
| 11/14/2002 | US20020166647 Applying feature substance suspension to moist paper web in such a way that paper web does not undergo any change in fiber structure, feature substance suspension is directed onto surface of the paper web as laminar jet with low jet pressure |
| 11/07/2002 | US20020164428 Method and device for single-or double-sided application |
| 11/07/2002 | US20020162503 Application device |
| 11/06/2002 | EP1253999A1 Treatment of natural polymer based materials and the products based thereon |
| 11/06/2002 | EP0910699B1 Process for improving printing paper |
| 11/05/2002 | US6475569 Electrophotographic transfer paper |
| 11/05/2002 | US6475341 Process for making paper |
| 11/05/2002 | US6475281 Applicator for direct or indirect application of a liquid or pasty coating medium onto a traveling material web |
| 11/05/2002 | EP1218174A4 Continuous solid state web coating process and webs produced thereby |
| 10/31/2002 | WO2002086239A1 Method and system in control of coating colour recipe |
| 10/31/2002 | WO2002085538A2 Variable electrostatic spray coating apparatus and method |
| 10/31/2002 | EP0999745A4 Anti-bacterial/anti-viral coatings, coating process and parameters thereof |
| 10/31/2002 | DE10120818A1 Verfahren und Vorrichtung zum Einbringen von Merkmalsstoffen in eine Papierbahn Method and apparatus for introducing feature substances in a paper web |
| 10/31/2002 | CA2444791A1 Variable electrostatic spray coating apparatus and method |
| 10/31/2002 | CA2443955A1 Method and system in control of coating colour recipe |
| 10/30/2002 | EP1253241A2 Process and apparatus for inserting security elements into a paper web |
| 10/30/2002 | EP1252391A1 Method for improving printability and coatability of paper and board |
| 10/30/2002 | EP1012393B1 Process of making paper |
| 10/29/2002 | US6471915 Method for disacidifying paper products with printings or inscriptions |
| 10/29/2002 | US6471825 Method for deflocculating and chemically loading fibers in a fiber suspension with calcium carbonate |
| 10/29/2002 | US6471776 Apparatus for applying abrasive substances to continuous paper webs |
| 10/29/2002 | US6471775 Slit nozzle for coating trips of material, especially paper or board strips, with a pigment coating |
| 10/24/2002 | WO2002084029A2 Process for making multilayer coated paper or paperboard |
| 10/24/2002 | WO2002083324A2 Applicator |
| 10/24/2002 | DE10213800A1 Curtain finishing device has control element at point close and parallel to fabric |
| 10/23/2002 | EP1250595A1 Measurement apparatus and technique for properties of board products |
| 10/23/2002 | EP1250492A1 Security document |
| 10/23/2002 | EP1250487A2 Paper making processes using enzyme and polymer combinations |
| 10/23/2002 | EP1086274B1 A process for making paper |