| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 08/03/2000 | DE19904112A1 Web coating station has two setting units to position the doctor blade upstream and downstream of it acting at different points from the blade edge to use less energy with a relatively high response speed |
| 08/03/2000 | DE19903943A1 Verfahren und Vorrichtung zum Bilden einer Faserstoffbahn Method and apparatus for forming a fibrous web |
| 08/02/2000 | EP1024224A2 Process and apparatus for making a fibrous web |
| 08/02/2000 | EP1023500A1 Method for surface sizing paper with 2-oxetanone and rosin and paper prepared thereby |
| 08/02/2000 | EP1023495A2 Surface sizing of paper |
| 08/02/2000 | EP1023127A1 Spray application of an additive composition to sheet materials |
| 08/01/2000 | US6096167 Process of manufacturing a colored fiber material |
| 07/27/2000 | WO2000028137A3 Device for impregnating a moving fibrous web |
| 07/26/2000 | EP1021622A1 Method and apparatus for application of a treatment agent to a material web |
| 07/26/2000 | CN1261117A Automatic technology and stream line equipment for making colour paper sheets with raw web. |
| 07/20/2000 | WO2000042254A1 Spray-coating method and spray-coater |
| 07/20/2000 | DE19901525A1 Verfahren und Anlage zum Imprägnieren und Beschichten von Papier Method and apparatus for impregnating and coating paper |
| 07/19/2000 | EP1020560A2 Process and apparatus for impregnating and coating paper |
| 07/18/2000 | CA2187757C Preparation process of paper for increasing filler contents and enhancing scott internal bond strength |
| 07/13/2000 | WO2000040799A1 Method and assembly for supporting a paper and board web in finishing equipment |
| 07/12/2000 | EP0946665B1 Paper compound material with repulp-resistant adhesive coating |
| 07/12/2000 | CN1260017A Process for making paper, and materials for use in same |
| 07/11/2000 | US6087837 Compact high resolution under wire water weight sensor array |
| 07/11/2000 | US6086954 Method and apparatus for application of coating medium onto a traveling material web having a splice |
| 07/11/2000 | US6086718 Apparatus for improving filler retention in papermaking |
| 07/05/2000 | EP1016756A1 Process for making paper having anti-slip properties |
| 07/04/2000 | US6083997 Providing a sodium silicate solution, adding an anionic polyelectrolyte to the sodium silicate solution and combining sodium silicate solution containing polyelectrolyte with silicic acid |
| 07/04/2000 | US6083348 Draining a paper stock containing process chemicals on a paper machine in which a main stream of the paper stock and a dilution stream are fed via a head box to the paper machine wire. |
| 07/04/2000 | US6083347 Absorbent material and production thereof |
| 06/29/2000 | WO2000037739A1 Apparatus and method for preventing the direction of a harmful jet from a spraying nozzle on a web |
| 06/29/2000 | CA2358079A1 Apparatus and method for preventing the direction of a harmful jet from a spraying nozzle on a web |
| 06/28/2000 | EP1013825A1 Method of making absorbent sheet from recycle furnish |
| 06/28/2000 | EP1012393A1 Process of making paper |
| 06/28/2000 | EP1011969A1 Apparatus for distribution of particles on paper, process for providing paper with particles and particle coated paper |
| 06/28/2000 | EP1011876A1 Nozzle apparatus in a spray coating station and a method for changing the mouthpiece |
| 06/21/2000 | DE19858653A1 Coating a moving web surface uses a controlled feed pump capacity to set the amount of medium delivered to the applicator to determine the mean coating weight with little or no surplus residue |
| 06/21/2000 | CN1257444A Apparatus for distribution of particles on paper, process for providing paper with particle coated paper |
| 06/20/2000 | US6077588 Continuous solid state web coating process and webs produced thereby |
| 06/20/2000 | US6077394 Making alkaline fine paper by adding glyoxylated acrylamide-diallyldimethyl ammonium chloride resin and aminopolyamide-epichlorohydrin resin to alkaline fine paper pulp slurry containing filler material during papermaking |
| 06/20/2000 | US6077352 Mounting assembly for a single backing roll coating station |
| 06/20/2000 | US6077351 Coating porous carriers |
| 06/15/2000 | WO2000034582A1 Copolymer coagulant in the papermaking process |
| 06/15/2000 | WO2000034581A1 Polyampholyte coagulant in the papermaking process |
| 06/15/2000 | WO2000034580A1 Release liners for pressure sensitive adhesive labels |
| 06/14/2000 | EP1007202A1 Method for treating a solid material to make it hydrophobic, material obtained and uses |
| 06/13/2000 | US6074700 Removing foreign material from coating mix in a circulation system for coating |
| 06/13/2000 | US6074530 Method for enhancing the anti-skid or friction properties of a cellulosic fiber |
| 06/13/2000 | CA2040845C Coating device for coating of a size-press roll, paper or board |
| 06/13/2000 | CA2040777C Method and device for limitation of the width of coating of paper |
| 06/08/2000 | WO2000032875A1 Double corona treatment of a polymer coated paperboard material |
| 06/08/2000 | WO2000032873A1 Paper making method using a novel retention system comprising a precipitated silica and a cationic polymer |
| 06/08/2000 | WO2000011260A3 Method for producing cellulose |
| 06/07/2000 | EP1006238A1 Method of impregnating paper |
| 06/07/2000 | EP1005590A1 Improved size press coating method |
| 06/06/2000 | US6072309 Paper stock zeta potential measurement and control |
| 06/06/2000 | US6071379 Papermaking process utilizing hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide as retention and drainage aids |
| 06/02/2000 | WO2000031339A1 Cationic starch/cationic galactomannan gum blends as strength and drainage aids |
| 06/02/2000 | CA2319163A1 Cationic starch/cationic galactomannan gum blends as strength and drainage aids |
| 05/31/2000 | EP1004702A2 Apparatus and process for applying a fluid or pasty coating onto a moving support |
| 05/31/2000 | EP1003934A2 Method and device for applying a pigment coating to a strip of paper or cardboard |
| 05/31/2000 | DE19854448A1 Vorrichtung und Verfahren zum Auftragen eines flüssigen oder pastösen Auftragsmediums auf einen laufenden Untergrund Apparatus and method for applying a liquid or pasty application medium to a moving substrate |
| 05/25/2000 | WO2000029670A1 Strengthening compositions and treatments for lignocellulosic materials |
| 05/24/2000 | EP0807194B1 Soft tissue paper containing an oil and a polyhydroxy compound |
| 05/24/2000 | CN1052770C Process for making paper by using silica sols |
| 05/23/2000 | US6066208 Apparatus for coating a continuously moving web |
| 05/18/2000 | WO2000028137A2 Device for impregnating a moving fibrous web |
| 05/17/2000 | EP0999745A1 Anti-bacterial/anti-viral coatings, coating process and parameters thereof |
| 05/17/2000 | CN1253604A Improved size press coating method |
| 05/16/2000 | US6063450 Method and apparatus for directly or indirectly applying a liquid pasty application medium to one or both sides of a continuous surface |
| 05/16/2000 | US6063449 Method and apparatus for coating a moving paper or cardboard web |
| 05/16/2000 | US6063240 Production of paper and paper board |
| 05/16/2000 | US6063193 Applicator for direct or indirect application of a liquid or pasty medium onto a traveling fiber material web |
| 05/16/2000 | US6063192 Method and apparatus for wet-in-wet coating of a moving layer of material |
| 05/16/2000 | CA2113541C Improved process for applying polysiloxane to tissue paper |
| 05/10/2000 | CN1252741A Method and device for applying dispersions on a strip of material |
| 05/10/2000 | CN1052278C Single layer recyclable material, with barrier properties against humidity and gases and process for its manufacture |
| 05/09/2000 | US6059930 Mixing with aqueous cellulose papermaking slurry |
| 05/09/2000 | US6059928 Prewettable high softness paper product having temporary wet strength |
| 05/09/2000 | US6059881 Coater blades and their manufacturing methods |
| 05/09/2000 | CA2287554A1 Spray containment system |
| 05/03/2000 | EP0996787A1 Paper products comprising filler materials |
| 05/03/2000 | EP0765421B1 Lotioned tissue paper |
| 05/03/2000 | EP0755468B1 Preparation process of paper for increasing filler contents and enhancing scott internal bond strength |
| 05/02/2000 | US6056854 Adding superabsorbent polymer to fiber furnish, agitating, delivering the furnish to a moving foraminous support, forming wet laid web containing wetted polymer particles, draining water from moving wet web, conveying web to dryer |
| 05/02/2000 | CA2007544C Method and device for coating webs of material, especially webs of paper or cardboard |
| 04/27/2000 | WO2000023269A1 Coated substrate having high mvtr |
| 04/27/2000 | DE19959630A1 Device for direct application of liquid or paste medium to surface of paper or cardboard moving web has capability for applying medium directly onto material web without open jet nozzle arrangement and with longer action time |
| 04/26/2000 | CN1051728C Short dwell coat apparatus and coating method thereof |
| 04/25/2000 | US6053979 Apparatus for direct or indirect application of a liquid or pasty coating medium onto a traveling material web, notably of paper or cardboard |
| 04/25/2000 | US6053978 Applicator for direct or indirect application of a liquid or pasty coating medium onto a traveling material web |
| 04/20/2000 | WO2000022233A1 Process for making soft tissue paper |
| 04/20/2000 | WO2000022232A1 Colorant application on the wet end of a paper machine |
| 04/20/2000 | WO2000022231A1 Soft tissue paper |
| 04/20/2000 | WO1999051811A3 Water weight sensor array imbedded in a sheetmaking machine roll |
| 04/19/2000 | EP0994216A1 Process for preparing a paper web |
| 04/19/2000 | EP0993524A1 Method and apparatus for the high speed application of coating to a traveling paper web |
| 04/18/2000 | US6052194 Method and apparatus for controlling the spectral reflectance of a material |
| 04/18/2000 | US6051068 System for selective treatment of a traveling paper web |
| 04/18/2000 | CA2053504C Recovery of surfactant from papermaking process |
| 04/13/2000 | WO2000020682A1 Method of producing a wetlaid thermobonded web-shaped fibrous material and material produced by the method |
| 04/13/2000 | DE19846708A1 Dosiersystem für Vorrichtungen zum Beschichten von Materialbahnen, insbesondere Pepier- oder Kartonbahnen Metering system for devices for coating material webs, in particular Pepier- or cardboard webs |
| 04/12/2000 | EP0992626A2 Metering system for devices for coating webs, particularly paper or board web |
| 04/12/2000 | EP0963487A4 Wet end starch application |
| 04/12/2000 | CN1250399A Method and device for coating a substrate to provide it with antiadhesive properties, using a cross-linkable polysiloxane composition |
| 04/11/2000 | US6048438 Phenolic enhancer selected from the group consisting of: phenol-formaldehyde resins, tannin extracts, naphthol-formaldehyde condensates, poly(para-vinyl phenol) and mixtures thereof, and a slurry of an anionic flocculant |