| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 03/20/2001 | US6204672 System for producing paper product including a compact high-resolution under wire water weight sensor array |
| 03/20/2001 | US6203858 Method and system for coating a web |
| 03/15/2001 | WO2001018310A1 Surface finishing of paper or board, and agent for this purpose |
| 03/14/2001 | EP1082495A1 Applicator apparatus and method for film-transfer coating |
| 03/14/2001 | EP1082494A1 Method and arrangement for coating a moving web |
| 03/14/2001 | CN1287585A Silica-acid colloid blend in a microparticle system used in papermaking |
| 03/13/2001 | US6200420 Method of using an anionic composite to increase retention and drainage in papermaking |
| 03/08/2001 | WO2001016427A1 Curtain coater and method for curtain coating |
| 03/07/2001 | EP1081077A2 Beam |
| 03/07/2001 | EP1080272A1 A process for the production of paper |
| 03/07/2001 | EP1080271A1 A process for the production of paper |
| 03/01/2001 | DE19941194A1 Coating of moving paper/cardboard web surfaces uses a liquid or paste coating medium which is foamed for application and which retains its foam structure after drying |
| 03/01/2001 | DE19941191A1 Tragbalkeneinheit Verfahren zum Verstellen einer Tragbalkeneinheit Stringers standard methods for adjusting a supporting beam unit |
| 02/28/2001 | CN1285889A Method and apparatus for processing discontimuous coating on a substrate |
| 02/27/2001 | US6193844 Method for making paper using microparticles |
| 02/27/2001 | US6193799 Device for application of glue on objects |
| 02/22/2001 | WO2001012901A1 Method for the manufacture of a finished product from a lignocellulosic material |
| 02/22/2001 | CA2372139A1 Method for the manufacture of a finished product from a lignocellulosic material |
| 02/21/2001 | CN1284974A Biodegradable and biocompatible agricultural mulch and method for preparing same |
| 02/21/2001 | CN1284587A 纸制品防伪技术 Paper products, anti-counterfeiting technology |
| 02/20/2001 | US6190741 Double corona treatment |
| 02/20/2001 | US6190729 Coatings are formed by applying required amount of coating mix onto perimeter of respective soft film-coating rolls and subsequently transferring coat film to web in a nip formed between respective backing roll and soft film-coating roll |
| 02/20/2001 | US6190726 Applying desired amount of coating mix to web via narrow gap slit orifice, and by measuring the coat weight on the web, adjusting the position of at least one lip of the slit orifice to achieve desired weight and cross-machine profile |
| 02/20/2001 | US6190561 Ion exchanging |
| 02/20/2001 | US6190500 Multilayer linerboard having improved printing properties and related method of manufacture |
| 02/20/2001 | CA2281428A1 Photocatalytic pulp composition, and process for producing and products and apparatus relating thereto |
| 02/15/2001 | DE19937536A1 Applicator to coat one or both sides of moving paper/cardboard web, has spreading equalizing unit between the applicator and the doctor to prevent the formation of residual stripes |
| 02/14/2001 | EP1075568A1 Machine and method for producing a multilayer web of fibrous material |
| 02/13/2001 | US6187142 Process and device for acting on a paper or cardboard web with one of a fluid and pasty coating medium |
| 02/13/2001 | US6187094 Device for manufacturing paper for a thermal printer |
| 02/07/2001 | EP1073910A1 Paper stock zeta potential measurement and control |
| 02/07/2001 | EP1073794A1 Paper size dispersions |
| 02/07/2001 | EP1073792A1 Slatted collimator |
| 02/07/2001 | CN1283244A Paper products and methods for applying chemical ddditives to cellulosic fibers |
| 02/06/2001 | US6183814 Coating grade polylactide and coated paper, preparation and uses thereof, and articles prepared therefrom |
| 02/06/2001 | US6183600 Aqueous suspension of cellulose; deflocculating with cationic acrylamide polymer; mixing with zeolite |
| 02/06/2001 | US6183550 Paper size dispersions |
| 01/31/2001 | EP1071845A1 Method and equipment for controlling properties of paper |
| 01/31/2001 | EP1071388A1 Methods for forming a fluted composite |
| 01/25/2001 | WO2001005583A1 Continuous solid state web coating process and webs produced thereby |
| 01/25/2001 | DE19934441A1 Vorrichtung zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Auftragsmediums auf eine laufende Materialbahn, insbesondere aus Papier oder Karton Apparatus for directly or indirectly applying a liquid or pasty application medium to a moving material web, in particular of paper or board |
| 01/25/2001 | CA2379916A1 Continuous solid state web coating process and webs produced thereby |
| 01/24/2001 | EP1070783A1 Process to optimize the dosage of fixing agent for coated broke pulp |
| 01/24/2001 | EP1070550A2 Apparatus for applying directly or indirectly a liquid or a pasty coating material on a moving web, in particular paper or cardboard web |
| 01/24/2001 | EP1042558A4 Profiling wet end starch applicator |
| 01/24/2001 | CN1281390A Spray application of additive composition to sheet materials |
| 01/24/2001 | CN1281143A Optimum determining method of adding electric charge change over agent into waste paper |
| 01/23/2001 | US6177137 Method in film transfer coating and equipment intended for carrying out the method |
| 01/23/2001 | US6176974 Method for determining electrokinetic properties of papermaking furnish |
| 01/22/2001 | CA2314340A1 Apparatus for the direct or indirect application of a liquid or pasty medium to a moving material web, in particular of paper or board |
| 01/18/2001 | WO2001004417A1 Use of talcum in the manufacture of paper and a method for the same |
| 01/18/2001 | WO2001003855A1 Method and apparatus for deacidification of papers and books |
| 01/18/2001 | CA2379320A1 Method and apparatus for deacidification of papers and books |
| 01/17/2001 | EP1068392A2 Improved process to make a wet-laid absorbent structure |
| 01/17/2001 | EP1068390A1 Method for improved wet strength paper |
| 01/16/2001 | US6174567 Coating a traveleing fiber using applicator configured as an open-jet nozzle formed between lips which includes a guide surface whose length is adjustable in direction parallel to the flow of the coating medium along the guide surface |
| 01/16/2001 | CA2177036C Tissue paper treated with polyhydroxy fatty acid amide softener systems that are biodegradable |
| 01/16/2001 | CA2168365C A short dwell coater apparatus |
| 01/11/2001 | WO2001002103A2 Process and apparatus for coating articles with liquid coating |
| 01/11/2001 | WO2001002098A1 Method and apparatus for spreading treating agent on a moving web |
| 01/11/2001 | WO2001002097A1 Coater and coating method |
| 01/11/2001 | CA2376255A1 Method and apparatus for spreading treating agent on a moving web |
| 01/10/2001 | EP1067433A1 High-efficiency plasma treatment of paper |
| 01/10/2001 | CN1279736A Method for sizing paper by cellulose reactive and irreactive sizing agents and paper therefrom |
| 01/09/2001 | US6171653 Apparatus for applying a liquid or viscid coating medium onto a moving fiber material web |
| 01/09/2001 | US6171642 Method and apparatus for detecting and correcting an operating parameter during fiber web coating |
| 01/04/2001 | WO2001000928A1 Method for manufacturing colored striped paper |
| 01/04/2001 | WO2001000713A1 Polymer pigment applicable in dry form |
| 01/04/2001 | DE19929855A1 Multistage addition of retention system to an aqueous papermaking suspension using biguanidine condensate, epichlorohydrin/dimethylamine condensate and polyacrylamide |
| 01/04/2001 | CA2377231A1 Polymer pigment applicable in dry form |
| 01/03/2001 | EP1065314A1 Process for making paper products |
| 01/03/2001 | EP1064427A1 Method and apparatus for feeding a chemical into a liquid flow |
| 01/03/2001 | EP1063954A1 Fluted composite and related absorbent articles |
| 01/02/2001 | US6168686 Papermaking aid |
| 01/01/2001 | CA2311279A1 Perfecting paper products manufacturing processes with a view to incorporating into the said products waste paper necessitating basic treatment |
| 12/28/2000 | WO2000078468A1 Roller provided for use in coating machines |
| 12/28/2000 | DE19959043A1 Appts to apply glue across the surface of a moving web has glue feed channels operated by actuators to apply the glue in droplets across the web width |
| 12/27/2000 | EP1062389A1 Method and arrangement for coating a moving web of paper or board |
| 12/26/2000 | US6164011 Biodegradable and biocompatible agricultural mulch and method of preparing same |
| 12/21/2000 | WO2000077303A1 Soft tissue product exhibiting improved lint resistance and process for making |
| 12/21/2000 | DE19954007A1 Coating rollers forming nip in coating machinery used in production and finishing of paper and card, with direct or indirect application, combine quantified hardness with resilience |
| 12/21/2000 | DE19928059A1 Security marking for document and banknote paper |
| 12/19/2000 | US6162328 Method for surface sizing paper with cellulose reactive and cellulose non-reactive sizes, and paper prepared thereby |
| 12/14/2000 | DE19926091A1 Continuous roller coating unit applying fluid or viscous media onto e.g. running paper, includes two supports holding wiper rod transversely across paper |
| 12/13/2000 | EP1047834A4 Silica-acid colloid blend in a microparticle system used in papermaking |
| 12/13/2000 | CN1276843A Production for mottled paper |
| 12/07/2000 | WO2000073576A1 Bleaching of lignin and process for producing paper |
| 12/07/2000 | CA2374904A1 Bleaching of lignin and process for producing paper |
| 12/06/2000 | CN1275927A Method for treating solid material to make it hydrophobic, material obtained and uses ` |
| 12/06/2000 | CN1275653A Carbon paper and productive process thereof |
| 12/05/2000 | US6156387 Applying a dicarboxylic alkyl diester release agent to flat paper or carton prior to thermomechanical surface treatment |
| 12/05/2000 | US6156158 Rolls being held endways in bearings and two rolls forming with each other a nip, the damping is carried out actively, the active stimulation (phase-shifted counteroscillation) acting from outside on at least one bearing; papermaking |
| 12/05/2000 | CA2078320C Method and coating device for the coating of a size-press roll, paper or board |
| 11/29/2000 | EP1055031A1 Method for disacidifying paper products with printings or inscriptions |
| 11/28/2000 | WO2000049227A1 Selective retention of filling components and improved control of sheet properties by enhancing additive pretreatment |
| 11/28/2000 | US6153306 Paper coated with polylactide and a method for making it |
| 11/28/2000 | US6152069 Multi-chamber short dwell coater |
| 11/23/2000 | WO2000034580A9 Release liners for pressure sensitive adhesive labels |
| 11/22/2000 | EP1054100A2 Method for manufacturing a paper or board web and a paper or board machine |
| 11/22/2000 | EP0749509B1 Process for applying a thin film containing low levels of a functional-polysiloxane and a nonfunctional-polysiloxane to tissue paper |