| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 09/22/1998 | US5811157 Method and device for producing a coated paper web using a coated roll |
| 09/22/1998 | US5810971 Liquid slurry of bentonite |
| 09/17/1998 | WO1998040558A1 Method and apparatus for preventing roll vibrations in a film transfer coater |
| 09/17/1998 | DE19710549A1 Verfahren und Anlage zum Imprägnieren und Trocknen einer durchlaufenden Bahn Method and apparatus for impregnation and drying a passing web |
| 09/16/1998 | EP0864012A1 Coater with air collector |
| 09/16/1998 | EP0863957A2 Transfer belt for applying adhesive and a process for manufacturing same |
| 09/15/1998 | CA2108037C A short dwell coater apparatus |
| 09/11/1998 | WO1998039514A1 Improved size press coating method |
| 09/10/1998 | DE19708957A1 Apparatus to coat a moving web |
| 09/09/1998 | EP0862997A2 Continuous solid state web coating process and webs produced thereby |
| 09/09/1998 | EP0833872A4 Swollen starches as papermaking additives |
| 09/08/1998 | US5804308 Heat lag media |
| 09/08/1998 | US5803969 Device for two-sided coating of a web of material |
| 09/02/1998 | EP0861693A2 Method and device for directly or indirectly applying a liquid or a pasty product on one or the two sides of a moving web |
| 09/01/1998 | US5800870 Size press coating method |
| 09/01/1998 | US5800675 Process for making a paper based product containing a binder |
| 08/27/1998 | WO1998037275A1 Method for treatment of cardboard or paper, an apparatus for carrying out the method and a product by the method and means for producing the product |
| 08/27/1998 | DE19706574A1 High gloss coated paper suitable for printed label(s) |
| 08/26/1998 | EP0859741A1 Synthetic mineral microparticles and retention aid and water treatment systems and methods using such particles |
| 08/26/1998 | EP0736121B1 Continuous adjustable backing bar for profiling coater blade |
| 08/26/1998 | EP0728240B1 Method of manufacturing a recyclable paper product |
| 08/18/1998 | US5795393 Apparatus for limiting the coating edge in a short dwell coater |
| 08/18/1998 | US5795391 Method and apparatus for application of fluent material to a moving substrate |
| 08/18/1998 | US5795386 Apparatus for applying a coating layer to a substrate web |
| 08/14/1998 | CA2197587A1 Paper coating process |
| 08/13/1998 | WO1998035095A1 Lumen loading of mineral filler into cellulose fibers for papermaking |
| 08/13/1998 | DE19704858A1 Assembly for coating both sides of a paper web |
| 08/13/1998 | CA2280043A1 Lumen loading of mineral filler into cellulose fibers for papermaking |
| 08/12/1998 | EP0857234A1 Multilayer coating using an application roller |
| 08/12/1998 | EP0809529A4 Filter material for preparing a beverage |
| 08/12/1998 | EP0777785B1 Method and device for coating continuous strips of material, in particular paper or cardboard |
| 08/11/1998 | US5792513 Continuous solid state web coating process |
| 08/11/1998 | US5792317 Wet end starch application |
| 08/11/1998 | US5792260 Method and equipment for two-sided coating of a printing paper web |
| 08/11/1998 | CA2052782C Device for proportioning of a coating agent onto a moving base |
| 08/05/1998 | EP0856607A2 Multilayered paper |
| 08/05/1998 | EP0856085A1 Method and apparatus for coating a moving paper or cardboard web |
| 08/05/1998 | EP0856084A1 Method and apparatus for coating a moving paper or cardboard web |
| 08/05/1998 | EP0856083A2 Method of creping a paper |
| 08/04/1998 | US5789031 Process for manufacturing coated paper |
| 08/04/1998 | US5789023 Method of applying coating to a web using centrifugal force |
| 08/04/1998 | US5788771 Apparatus for applying a fluid or pastry medium to a continuous material web, particularly one made of paper or cardboard |
| 08/04/1998 | US5788162 Application unit for directly or indirectly applying a fluid or pasty medium to a continuous material web |
| 07/30/1998 | WO1998032921A1 Paper coating apparatus and method for coating paper |
| 07/30/1998 | WO1998032906A1 Process for bonding fibrous web |
| 07/29/1998 | EP0855464A2 Apparatus and process for applying directly or indirectly a liquid or pasty medium onto a moving web |
| 07/29/1998 | EP0734473B1 Tissue paper treated with polyhydroxy fatty acid amide softener systems that are biodegradable |
| 07/28/1998 | US5785813 Method of treating a papermaking furnish for making soft tissue |
| 07/28/1998 | US5785253 Application unit for the direct or indirect application of a liquid or pasty medium onto a moving material web |
| 07/23/1998 | DE19704161A1 Dry toilet paper with sprayed treatments |
| 07/22/1998 | EP0854233A2 Process and apparatus for the damping of vibrations for rolls in contacting rotation |
| 07/22/1998 | EP0853705A2 Dual chamber film applicator with in-pond overflow |
| 07/22/1998 | EP0853585A1 Carton having buckle-controlled brim curl and method and blank for forming the same |
| 07/22/1998 | CN1188499A Swollen starches as papermaking additives |
| 07/21/1998 | US5783043 Paper coating apparatus |
| 07/21/1998 | US5783041 Adding to pulp slurry premixed solution of thermosetting aminopolyamide-epichlorohydrin resin and glyoxylated acrylamide-diallyldimethylammonium chloride resin, non-thermosetting high charge density cationic resin |
| 07/21/1998 | US5782977 Blade coating machine having side edge lubrication and process of coating |
| 07/21/1998 | CA2007826C Method and apparatus for pattern impregnation of paper and other non-woven web |
| 07/16/1998 | WO1998030753A1 Paper making process |
| 07/16/1998 | DE19700633A1 Apparatus to coat surface of moving web e.g. paper or cardboard |
| 07/15/1998 | EP0853159A1 Process and coating colour for coating of paper and board |
| 07/15/1998 | CA2226802A1 The inhibition of photo-yellowing in paper |
| 07/14/1998 | US5779859 Method of improving filler retention in papermaking |
| 07/09/1998 | WO1998029604A1 Processes of making paper and materials for use in this |
| 07/09/1998 | WO1998029603A1 Method for producing paper |
| 07/09/1998 | WO1998029602A1 Controlled coverage additive application to paper tissue |
| 07/07/1998 | US5776546 Method and apparatus for impregnating a porous substrate with a solids-bearing saturant |
| 07/07/1998 | US5776252 Assembly for preventing striping in a short dwell time applicator |
| 07/02/1998 | WO1998028490A1 Method and device for conducting a process in the production of paper |
| 07/02/1998 | WO1998028486A1 Means and device for conducting a process in the production of fibrous material from wood |
| 07/02/1998 | WO1998028378A1 Paper compound material with repulp-resistant adhesive coating |
| 07/02/1998 | WO1998028089A1 Coating blade |
| 07/02/1998 | DE19654390A1 Verfahren zur Herstellung von Papier A process for the production of paper |
| 06/30/1998 | US5773098 Covalently bonding to a microporous polytetrafluoroethylene film by exposing to perfluorocyclohexane under plasma |
| 06/30/1998 | US5773093 Apparatus for controlling application of excess coating liquid in curtain coating and method of coating |
| 06/25/1998 | WO1998026877A1 Coating blade |
| 06/25/1998 | DE19654177A1 Papierverbundmaterial mit repulpierfest ausgerüsteter Haftkleberbeschichtung Paper composite material with repulpierfest equipped adhesive coating |
| 06/24/1998 | EP0849396A1 Apparatus for applying directly or inderectly a fluid or pasty material onto a moving web, especially of paper or cardboard |
| 06/24/1998 | EP0849395A1 Device for direct or indirect application of a liquid or pasty medium onto a running material web, in particular of paper or board |
| 06/23/1998 | US5770013 Method for manufacturing paper and paper fabricated from the same method |
| 06/18/1998 | WO1998026282A1 Electromagnetic field perturbation sensor and methods for measuring water content in sheetmaking systems |
| 06/18/1998 | DE19652289A1 Web coating applicator |
| 06/18/1998 | DE19651739A1 Web coating applicator |
| 06/17/1998 | EP0848110A1 Coating applicator with blade shaping |
| 06/17/1998 | EP0848109A1 Device for applying directly or indirectly fluid or pasty material onto a moving web |
| 06/16/1998 | US5766353 Applicator for direct or indirect application of a liquid or pasty medium on a traveling material web |
| 06/16/1998 | US5766350 Applicator system for a web-coating apparatus |
| 06/11/1998 | WO1998024974A1 Method for making wet strength paper |
| 06/11/1998 | WO1998024973A1 A process for the production of paper |
| 06/11/1998 | CA2271384A1 Method for making wet strength paper |
| 06/11/1998 | CA2221428A1 Pilot coater |
| 06/10/1998 | EP0846804A1 Device for direct or indirect application of a liquid or pasty medium onto a running material web, in particular of paper or board |
| 06/10/1998 | EP0846201A1 Film applicator with entrained air removal and surface control |
| 06/04/1998 | WO1998023815A1 Production of paper and paper board |
| 06/02/1998 | US5759349 Lumen loading of hygienic end use paper fibers |
| 06/02/1998 | US5759279 Pilot coater |
| 05/29/1998 | CA2222634A1 Apparatus for direct or indirect application of a liquid or pasty coating medium onto a traveling material web, notably of paper or cardboard |
| 05/28/1998 | WO1998022655A1 Method for manufacturing a metallized paper material |
| 05/28/1998 | WO1998022653A1 Manufacture of paper |
| 05/28/1998 | CA2269911A1 Manufacture of paper |