| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 06/13/2001 | EP1105573A1 A microparticle system in the paper making process |
| 06/13/2001 | EP1105572A1 A process to improve the drainage rate and retention of fines during papermaking |
| 06/13/2001 | EP1105571A1 Additive composition for paper making |
| 06/13/2001 | EP1040226B1 Dull cast-coated paper and method for manufacturing thereof |
| 06/13/2001 | CN1299425A Process for prodn. of paper |
| 06/12/2001 | US6245395 Applying protective polymeric coating; preheating |
| 06/12/2001 | US6245388 Wave coating of articles |
| 06/07/2001 | WO2001040577A1 Method for production of paper |
| 06/07/2001 | WO2001039968A1 Paperboard tray having crack-resistant barrier coating |
| 06/07/2001 | WO2000001783A3 Aqueous adhesive dispersions and the use thereof in the production of multi-layered paper |
| 06/07/2001 | DE19958109A1 Assembly for the indirect coating of a moving paper/cardboard web has structured peripheral positions and peripheral angles around the transfer roller for an effective and consistent surface coating action |
| 06/06/2001 | EP1104495A1 Selective retention of filling components and improved control of sheet properties by enhancing additive pretreatment |
| 06/06/2001 | EP1104339A1 Roller provided for use in coating machines |
| 06/06/2001 | CN1298466A A process for the production of paper |
| 06/06/2001 | CN1298464A Slatted collimator |
| 06/06/2001 | CN1298347A Water dispersible/redispersible hydrophobic polyester resins and their application in coatings |
| 06/05/2001 | US6241850 Debonding papermaking fibers in aqueous slurry with debonding agent, mechanically treating said debonded papermaking fibers to reduce canadian standard freeness, forming tissue web, drying said tissue web |
| 05/31/2001 | WO2001038638A1 Sanitary tissue products with improved flushability |
| 05/30/2001 | CN1297501A Paper size dispersions |
| 05/29/2001 | US6238521 Use of diallyldimethylammonium chloride acrylamide dispersion copolymer in a papermaking process |
| 05/29/2001 | US6238520 Manufacture of paper |
| 05/29/2001 | US6237525 Apparatus for coating a paper or board web |
| 05/25/2001 | WO2001036740A2 Paper making processes using enzyme and polymer combinations |
| 05/25/2001 | WO2001036111A2 Method for production of a foil-like support material coated with an adhesive |
| 05/23/2001 | EP1101865A2 Process for making a web |
| 05/23/2001 | EP1100751A1 Preparation of anionic nanocomposites and their use as retention and drainage aids in papermaking |
| 05/23/2001 | EP0801701B1 Coating device and process thereat |
| 05/23/2001 | EP0728241B1 Mechanism for directly or indirectly applying a liquid or pasty medium onto a moving strip of material |
| 05/22/2001 | US6235115 Fountain coating applicator and support beam |
| 05/17/2001 | WO2001034910A1 Manufacture of paper and paperboard |
| 05/17/2001 | WO2001034909A1 Manufacture of paper and paperboard |
| 05/17/2001 | WO2001034908A1 Manufacture of paper and paperboard |
| 05/17/2001 | WO2001034907A1 Manufacture of paper and paperboard |
| 05/17/2001 | DE19955032A1 Verfahren zur Herstellung einer Materialbahn A process for producing a material web |
| 05/17/2001 | DE19954083A1 Coating of a web surface directly or indirectly on one or both sides is applied while the web is still wet to prevent the escape of matter from the paper/cardboard into the water recirculation system |
| 05/16/2001 | EP1099025A1 Method and apparatus for treating the surface of a web |
| 05/16/2001 | EP1099023A1 Method for making paper, assembly for implementing the method and paper product produced by the method |
| 05/16/2001 | EP1099022A1 Additive for paper making |
| 05/16/2001 | EP0895552B1 Process for coating a board- or paper-like substrate with a powder paint composition |
| 05/16/2001 | CN1295637A Selective retention of filling components and improved control of sheet properties by enhancing additive pretreatment |
| 05/16/2001 | CN1295154A Double-developing anti-fake pressure-sensitive paper and its production process |
| 05/16/2001 | CN1295153A Color-developing anti-fake pressure-sensitive paper and its production process |
| 05/15/2001 | US6231719 Multilayer; softness |
| 05/15/2001 | US6231670 Apparatus for impregnating and coating paper |
| 05/10/2001 | WO2001032986A1 Cast coated sheet and method of manufacture |
| 05/10/2001 | WO2001032983A1 Method for producing a glass mat |
| 05/10/2001 | CA2388211A1 Method for producing a glass mat |
| 05/09/2001 | CN1294227A Paper reinforcing agent and paper reinforcing method |
| 05/09/2001 | CN1294225A Technology for making special paper used to write on it with hard pen |
| 05/08/2001 | US6228219 Rosin sizing at neutral to alkaline pH |
| 05/08/2001 | US6228217 Strength of paper made from pulp containing surface active, carboxyl compounds |
| 05/03/2001 | WO2001031118A1 Use of surfactants in press section of paper machine to enhance water removal |
| 05/02/2001 | EP1095187A1 Method and device for improving the coating surface of strips of paper |
| 05/02/2001 | EP1095186A1 Surface modified fillers for sizing paper |
| 05/02/2001 | CN1293556A Fluted composite and related absorbent articles |
| 05/02/2001 | CN1293555A Method for forming fluted composite |
| 04/26/2001 | WO2001029317A1 A method and equipment for manufacturing release paper |
| 04/26/2001 | WO2001029312A1 Process combining functional additives and dryer section passivation |
| 04/26/2001 | WO2001028766A1 Non-abrasive composite doctor blade |
| 04/25/2001 | CN1292838A Method for improved wet strength paper |
| 04/18/2001 | EP1092479A1 Multiple layered coating on heat-sensitive substrates |
| 04/18/2001 | EP1092064A1 Method for making paper and cardboard and retention and dewatering agents |
| 04/18/2001 | EP1092063A1 Film transfer coating |
| 04/18/2001 | EP1092062A1 Film press |
| 04/18/2001 | EP1092061A1 Method for optimizing the degree of flocculation |
| 04/18/2001 | EP0870087B1 A process for the production of paper |
| 04/17/2001 | US6217940 Method and apparatus for coating a moving paperboard web |
| 04/17/2001 | US6217709 Cationic starch/cationic galactomannan gum blends as strength and drainage aids |
| 04/17/2001 | US6217707 Tissue product comprising additive composition disposed on major surface in at least one primary delivery zone having primary add-on level and at least one supplementary delivery zone having supplementary add-on level |
| 04/17/2001 | CA2010189C Process for trash removal or pitch-like resin control in the paper manufacture |
| 04/15/2001 | CA2321514A1 Multiple layered coating on heat-sensitive substrates |
| 04/11/2001 | EP1090187A1 Marking substances and security markings, method for integrating these into the pulp line and method for testing the same |
| 04/10/2001 | US6214165 Method for deacidification of papers and books by fluidizing a bed of dry alkaline particles |
| 04/10/2001 | US6214112 Device for direct or indirect single or double sided application of a liquid or viscous coating medium onto a moving surface |
| 04/05/2001 | DE19946325A1 Vorrichtung zum Auftragen einer abrasiven Beschichtungsmasse auf eine durchlaufende Papierbahn Apparatus for applying an abrasive coating composition to a continuous web of paper |
| 04/05/2001 | DE19945580A1 Gestrichenes, optisch aufgehelltes Druckpapier und Verfahren zu dessen Herstellung Coated, optically brightened printing paper and process for its preparation |
| 04/04/2001 | EP1088595A2 Device for applying an abrasive substance onto a moving web |
| 04/04/2001 | EP1088594A2 Method and device for spraying a moving fibrous web |
| 04/03/2001 | US6210644 Slatted collimator |
| 04/03/2001 | CA2224842C Coating applicator with blade shaping |
| 03/29/2001 | WO2001021892A1 Method for processing paper strips, and paper to be impregnated with synthetic resins |
| 03/29/2001 | WO2001021891A1 Enameled, optically brightened printing paper and method for the production thereof |
| 03/29/2001 | WO2001021873A1 Absorbent composite having fibrous bands |
| 03/29/2001 | WO2000012819A8 Manufacture of paper |
| 03/29/2001 | US20010000065 A paper machine, notably a coater, having an automatic adjustment of force on the bearings by phase-shifted counteroscillation from outside directly and/or indirectly by using at least one of a moving means and pivoting means |
| 03/29/2001 | DE19946479A1 Verfahren und Vorrichtung zum Besprühen einer bewegten Faserstoffbahn Method and apparatus for spraying a moving fibrous web |
| 03/29/2001 | CA2385365A1 Coated, optically brightened printing paper and method for the production |
| 03/29/2001 | CA2384376A1 Absorbent composite having fibrous bands |
| 03/28/2001 | EP1086276A1 Method for manufacturing paper, cardboard and corresponding retaining agents |
| 03/28/2001 | EP1086274A1 A process for making paper |
| 03/28/2001 | EP1085973A1 Method for producing paper-based composites and wet-adhesive materials |
| 03/28/2001 | CN1289381A Cationic starch/cationic galactomannan gum blends as strength and drainage aids |
| 03/27/2001 | US6207227 Providing web of base sheet material for cleaning articles, moving web past plurality of application stations, adhering layer of tacky adhesive to surface of web by printing adhesive onto web in predetermined pattern at each station; copiers |
| 03/27/2001 | CA2093545C Composite product based on fibers and fillers, and process for the manufacture of such a novel product |
| 03/21/2001 | EP1084298A1 Device for applying a coating substance to a continuous paper web |
| 03/21/2001 | EP1084297A1 Use of colloidal precipitated calcium carbonate as a filter in the preparation of paper |
| 03/21/2001 | EP1084295A2 A process for the production of paper |
| 03/21/2001 | EP1084030A1 Water dispersible/redispersible hydrophobic polyester resins and their application in coatings |
| 03/21/2001 | CN1288087A Process for prodn. of thermo-sensitive paper |
| 03/21/2001 | CN1288085A Thermal resistance gasket paper for stainless steel sheet and its prodn. method |