| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 04/06/2000 | WO2000018514A1 Device and method for applying a liquid or paste-like coating medium to a continuous undersurface |
| 04/06/2000 | DE19844979A1 Application of coatings to running surface using spray nozzles with overlapping spray patterns involves modifying emergent spray to change local application rate |
| 04/05/2000 | EP0990953A2 Electrophotographic transfer paper |
| 04/05/2000 | EP0700473B1 Process for producing paper |
| 04/04/2000 | US6045657 Clay compositions and their use in paper making |
| 03/30/2000 | WO2000017451A1 An acid colloid in a microparticle system used in papermaking |
| 03/30/2000 | WO2000017450A1 Silica-acid colloid blend in a microparticle system used in papermaking |
| 03/29/2000 | EP0988412A1 Surface coatings |
| 03/22/2000 | EP0986671A1 Improved papermaking processes |
| 03/22/2000 | EP0986666A1 Method for treating fibrous cellulosic materials |
| 03/22/2000 | EP0986578A1 Composition containing flour and application thereof for making paper |
| 03/16/2000 | WO2000014332A1 Doctor rod for a coating device |
| 03/15/2000 | EP0985069A1 Method for making paper using a gelling system |
| 03/09/2000 | WO2000012819A1 Manufacture of paper |
| 03/09/2000 | DE19840951A1 Rakelstange für eine Beschichtungsvorrichtung Doctor rod for a coating device |
| 03/09/2000 | CA2340641A1 Manufacture of paper |
| 03/08/2000 | EP0983210A1 Method of water treatment using zeolite crystalloid coagulants |
| 03/08/2000 | EP0809734B1 Method for enhancing the bulk softness of tissue paper and product therefrom |
| 03/08/2000 | EP0795057B1 Soft and creped tissue paper |
| 03/08/2000 | EP0724666B1 Device for impregnating webs made of porous material |
| 03/07/2000 | US6033526 Rosin sizing at neutral to alkaline pH |
| 03/07/2000 | US6033524 Selective retention of filling components and improved control of sheet properties by enhancing additive pretreatment |
| 03/02/2000 | WO2000011267A1 A process to improve the drainage rate and retention of fines during papermaking |
| 03/02/2000 | WO2000011260A2 Method for producing cellulose |
| 03/02/2000 | DE3745173C2 Short burst paper coating |
| 03/01/2000 | EP0982120A1 Sheet having powder coated thereon, and production and use thereof |
| 03/01/2000 | EP0981666A1 Polylactide coated paper |
| 03/01/2000 | EP0981665A1 Improved papermaking processes |
| 03/01/2000 | CN1245847A Making method of cleaning paper for facsimile apparatus |
| 02/29/2000 | US6030443 Paper coating composition with improved optical brightener carriers |
| 02/22/2000 | US6027768 An easily cleanable strainer positioned before the narrow slot opening of the nozzle that serves to screen away aggregates from the mix used to coat paper or board web |
| 02/22/2000 | CA2115363C Paper coater skip prevention and deaeration apparatus and method |
| 02/17/2000 | DE19836503A1 Security marking for document and banknote paper |
| 02/16/2000 | CN1049370C Method and apparatus for applying material to a web |
| 02/15/2000 | US6024835 Apparatus includes at least one lab entry station which communicates directly with each laboratory in a paper mill |
| 02/15/2000 | US6024797 Method and apparatus for controlling coat-weight profile |
| 02/15/2000 | US6024790 Activation of swelling clays |
| 02/10/2000 | WO2000006490A1 Preparation of anionic nanocomposites and their use as retention and drainage aids in papermaking |
| 02/09/2000 | EP0977920A1 Method and device for applying a pigment coating paint on a paper or cardboard strip |
| 02/09/2000 | EP0977636A1 Method and device for applying dispersions on a strip of material |
| 02/09/2000 | EP0778912B1 Device for coating a material web on both sides |
| 02/09/2000 | EP0740686B1 Papermaking compositions, process using same, and paper produced therefrom |
| 02/09/2000 | CN1244227A Lumen loading of mineral filler into cellulose fibers for papermaking |
| 02/08/2000 | US6022591 Applicator implement includes premetering device which extends along width of moving material layer, the premetering device is divided into a number of segments, each of which is associated with at least one actuator; paper coating |
| 02/08/2000 | US6022449 Paper finishing process using polyisocyanates with anionic groups and cationic compounds |
| 02/08/2000 | CA2006151C Apparatus for controlling the tilt angle of a doctor blade |
| 02/03/2000 | DE19833747A1 Coating station for a moving paper/cardboard web has structured jet lips to set the flow of coating medium and adjustments to the jet gap between them across the web width for consistent coating and surface cover |
| 02/02/2000 | CN1243180A Paper special for coiled incense and production technology thereof |
| 02/01/2000 | CA2048433C Paper coating method and apparatus |
| 01/26/2000 | EP0611329B1 Multiple coat measurement and control |
| 01/25/2000 | US6017995 An aqueous suspension comprising mica, at least one silane, a polysiloxane, a compound catalyzing the hydrolysis and/or coupling reaction and additives; improving the formed sheet mechanical and electrical properties |
| 01/25/2000 | CA2195201C Painting edge limiter for a painting arrangement with a short residence time |
| 01/20/2000 | WO2000003094A1 A microparticle system in the paper making process |
| 01/20/2000 | WO2000003093A1 Surface modified fillers for sizing paper |
| 01/20/2000 | WO2000003092A1 Method for making paper, assembly for implementing the method and paper product produced by the method |
| 01/20/2000 | WO2000003091A1 Additive composition for paper making |
| 01/20/2000 | WO2000003090A1 Additive for paper making |
| 01/20/2000 | CA2336970A1 A microparticle system in the paper making process |
| 01/20/2000 | CA2336860A1 Surface modified fillers for sizing paper |
| 01/19/2000 | EP0972110A1 Method for producing high dry-strength paper, pulpboard and cardboard |
| 01/13/2000 | WO2000001887A1 Method and device for improving the coating surface of strips of paper |
| 01/13/2000 | WO2000001783A2 Aqueous adhesive dispersions and the use thereof in the production of multi-layered paper |
| 01/13/2000 | CA2336344A1 Aqueous adhesive dispersions and the use thereof in the production of multi-layered paper |
| 01/11/2000 | US6013359 Surface strength; releasing-property; newsprint |
| 01/05/2000 | EP0969147A2 Device and process for applying a fluid or pasty material onto a moving bed |
| 01/05/2000 | EP0969146A1 Device for the cathodic protection of a coating element in a paper coating installation |
| 01/05/2000 | EP0968058A1 Method and device for coating a substrate to provide it with antiadhesive properties, using a cross-linkable silicon composition |
| 01/05/2000 | DE19829757A1 Wässrige Klebemitteldispersionen und deren Verwendung zur Herstellung von mehrlagigen Papieren Aqueous adhesive dispersions and their use for the production of multilayer papers |
| 01/05/2000 | DE19829491A1 Vorrichtung zum kathodischen Korrosionsschutz von Auftragslementen einer Papierstreichanlage Apparatus for cathodic protection of Auftragslementen a paper coating machine |
| 01/05/2000 | DE19829490A1 Verfahren und Vorrichtung zur Verbesserung einer Strichoberfläche von Papierbahnen Method and apparatus for improving a coating surface of paper webs |
| 01/05/2000 | DE19829449A1 Auftragsvorrichtung und Auftragsverfahren Applicator and method of application |
| 01/05/2000 | CN1240375A Coating blade |
| 01/05/2000 | CN1240166A Single or multi-layer recyclable material, with barrier properties against humidity and process its manufacture |
| 01/04/2000 | US6010739 Method and apparatus for direct or indirect application of a liquid or pasty medium onto a traveling material web |
| 01/04/2000 | US6010078 Distributing apparatus with tubular manifold for an applicator |
| 01/01/2000 | CA2276162A1 Coating device and coating method |
| 12/29/1999 | WO1999067468A1 Film transfer coating |
| 12/29/1999 | WO1999067467A1 Film press |
| 12/29/1999 | WO1999067466A1 Method and apparatus for treating the surface of a web |
| 12/29/1999 | WO1999067462A1 Method and arrangement for calendering paper and board before and after coating |
| 12/29/1999 | EP0967327A2 Apparatus for applying directly or indirectly a fluid or pasty coating onto a moving web |
| 12/29/1999 | EP0966641A1 Method and device for impregnating and drying a continuous web |
| 12/29/1999 | EP0731860B1 Assembly for a paper web coating line |
| 12/29/1999 | CN1240010A Method for making wet strength paper |
| 12/29/1999 | CN1240009A Process for production of paper |
| 12/28/1999 | US6007679 Adding to an aqueous cellulosic papermaking slurry a cationic copolymer of acrylamide and a benzyl or methyl chloride-quaternized 2-/dimethylamino/ethyl acrylate; shearing; adding microparticles of acrylamide-acrylic acid |
| 12/28/1999 | US6007627 Method and apparatus for processing a discontinuous coating on a substrate |
| 12/28/1999 | US6006443 Method and apparatus for application of a treatment agent to a material web |
| 12/23/1999 | WO1999066130A1 Method for manufacturing paper, cardboard and corresponding retaining agents |
| 12/23/1999 | WO1999066129A1 Method for optimizing the degree of flocculation |
| 12/23/1999 | WO1999066128A1 Marking substances and security markings, method for integrating these into the pulp line and method for testing the same |
| 12/23/1999 | DE19827712A1 Vorrichtung zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Auftragsmediums auf eine laufende Materialbahn Apparatus for directly or indirectly applying a liquid or pasty application medium to a moving material web |
| 12/23/1999 | DE19827234A1 Coating station for the application of a medium to a moving web surface |
| 12/23/1999 | DE19827201A1 Valve assembly for a web coating applicator |
| 12/23/1999 | DE19827030A1 Auftragsvorrichtung Application device |
| 12/22/1999 | EP0965684A2 Device for applying fluid or pasty material onto a moving web |
| 12/22/1999 | CA2275856A1 Device for the direct or indirect application of a liquid or viscid coating medium onto a moving material web |
| 12/21/1999 | US6004623 Method and device for coating a size-press roll or paper or board web |
| 12/21/1999 | US6004394 Apparatus for direct or indirect application of a liquid or pasty coating medium onto a traveling material web, notably of paper or cardboard |
| 12/16/1999 | WO1999064677A1 A process for making paper |