| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 12/08/2004 | EP0948678B1 Method and device for applying a medium on a running web of material |
| 12/08/2004 | EP0763159B2 Method for making paper |
| 12/08/2004 | CN1552995A High-speed thermal coating process for water-base fibre retardant dipping coating paper |
| 12/07/2004 | US6827778 Apparatus for feeding a treatment substance to an application device |
| 12/02/2004 | WO2004104299A1 A process for the production of paper |
| 12/02/2004 | WO2004104298A2 Single ply tissue products surface treated with a softening agent |
| 12/02/2004 | US20040244073 Site specific recombination; multigenic traits may be introduced; controlled and efficient; Tripsacum, barley, oat, Orychophragmus, Glycinetomentella, soybean, maize, Pennisetum |
| 12/02/2004 | US20040238455 Apparatus and a method for controlling the alkalinity and ph of an industrial process |
| 12/02/2004 | US20040238140 Regulating electrical potential without effecting pH; runnability, corrosion resistance; reduced gas formation; consistency measurement reliability; fiber retention; improving product strength and formation |
| 12/02/2004 | US20040238139 Core raw paper for corrugated boards, and method of producing the same |
| 12/02/2004 | US20040238138 Modified polyalkyleneimine and methods of using the same |
| 12/02/2004 | US20040238137 Synthetic mineral filler; strength, retention, drainage; polysilicate; polymerization method from alkali silicate; visual properties, strength |
| 12/02/2004 | US20040237885 Application device |
| 12/02/2004 | DE20311530U1 Vorrichtung zur maschinellen Klebemittelübertragung Device for automatic adhesive transfer |
| 12/02/2004 | DE10316850B3 Verfahren zum Behandeln einer Kartonbahn A method for treating a board web |
| 12/02/2004 | CA2524697A1 A process for the production of paper |
| 12/01/2004 | EP1481737A1 Coater and method for producing coated sheet and air floating mini-turn bar |
| 11/30/2004 | US6824650 Fibrous materials treated with a polyvinylamine polymer |
| 11/30/2004 | US6824649 Paper made from highly anionic glucuronic acid carboxylated cellulosic fibers and cationic starch; drainage |
| 11/25/2004 | WO2004101891A1 Method for plasma treating paper and cardboards |
| 11/25/2004 | WO2004071780A3 System for production-line printing on wet web material |
| 11/25/2004 | US20040234804 comprising a tissue web containing cellulosic fibers with a softening agent (polyalkylsiloxane) on one side; apparatus for applying chemical additives to tissue sheets |
| 11/25/2004 | US20040231815 Novel water-resistant, repulpable and hydrophilic paper having a soft feel |
| 11/25/2004 | DE10319988A1 Vorrichtung zum direkten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn A device for direct application of a liquid or pasty medium to a moving material web |
| 11/24/2004 | EP1479823A1 Apparatus for applying directly a fluid or pasty product on a running web |
| 11/23/2004 | US6820316 Composite blade and a method for its manufacture |
| 11/23/2004 | CA2244876C Wet end starch application |
| 11/23/2004 | CA2079090C Papermaking process |
| 11/18/2004 | WO2004099500A1 Method for producing coated paper with pearlescent effect |
| 11/18/2004 | WO2004099499A1 A process for preparing sized paper and paperboard |
| 11/18/2004 | WO2003074192A8 Coater and method for producing coated sheet and air floating mini-turn bar |
| 11/18/2004 | US20040226674 Coating and method for producing coated paper or cardboard |
| 11/18/2004 | DE20220980U1 Preparation of paper, pasteboard, or cardboard involving cutting of the paper pulp, addition of microparticles of cationic polymer, e.g. cationic polyamide, and a finely divided inorganic component after the last cutting step |
| 11/18/2004 | DE10319738A1 Verfahren zur Herstellung von wässrigen Dispersionen von Polyelektrolytkomplexen und ihre Verwendung zur Erhöhung der Naßfestigkeit von Papier, Pappe und Karton Process for the preparation of aqueous dispersions of polyelectrolyte complexes and their use for increasing the wet strength of paper, board and cardboard |
| 11/18/2004 | DE10297514T5 Verfahren zur Fertigbearbeitung von Pappe Method for finishing cardboard |
| 11/16/2004 | US6818101 Containing binder that promotes acid catalyzed formation of hemiacetal interfiber crosslinking and humectant or plasti-cizer; softness |
| 11/16/2004 | US6818100 Process for sizing paper |
| 11/11/2004 | WO2004097113A1 Water-resistant, repulpable, hydrophilic and soft touch paper |
| 11/11/2004 | WO2004096895A2 Method for the production of aqueous polyelectrolyte complex dispersions, and use thereof for increasing the water resistance of paper, paperboard, and cardboard |
| 11/11/2004 | US20040221977 adding, at the wet end of the paper-making machine, a secondary retention and drainage agent containing a liquid smectite, and a primary retention and drainage agent comprising a natural or synthetic polymer; retention and drainage agents can be added in any order, so as not to effect the whiteness |
| 11/11/2004 | US20040221976 Paper articles exhibiting water resistance and method for making same |
| 11/10/2004 | EP1475477A2 Apparatus for applying directly a fluid or pasty coating onto a moving web |
| 11/10/2004 | EP1475476A1 Process for improving retention and drainage in the manufacturing of paper, paperboard, cardboard |
| 11/10/2004 | EP1040225B1 Method and assembly for controlling mist and dust in the manufacture and finishing of paper and board |
| 11/09/2004 | CA2272555C A process for the production of paper |
| 11/09/2004 | CA2167724C Coat weight profiling |
| 11/04/2004 | WO2004094724A1 Wet-process nonwoven fabric and process for producing the same |
| 11/04/2004 | US20040216853 Manufacturing core board on fourdrinier machine; evenly distributing slurry in web couching area; supplying through feeding units installed above wire |
| 11/04/2004 | US20040216663 Medium application device |
| 11/04/2004 | DE20320544U1 Assembly to produce light weight coated paper with a soft calender located between a hard drum and a soft drum |
| 11/04/2004 | DE10318028A1 Coating device for applying glue or paste on e.g. paper or cardboard web, has coating section divided into coating roller, which transports coating medium from spray nozzle, and belt that receives and coats medium on web |
| 11/04/2004 | DE10316852A1 Anordnung zum Behandeln einer Papier- oder Kartonbahn An arrangement for treating a paper or cardboard web |
| 11/03/2004 | EP1472008A1 Method and apparatus for feeding a treating agent onto a moving surface |
| 11/03/2004 | EP1011876B1 Nozzle apparatus in a spray coating station and a method for changing the mouthpiece |
| 11/03/2004 | CN1543377A Coater for dispersed slurry |
| 11/02/2004 | US6811654 Method and arrangement for calendering paper and board before and after coating |
| 10/28/2004 | WO2004092483A2 Papers for liquid electrophotographic printing and method for making same |
| 10/28/2004 | US20040211534 applying to surfaces of cylinders, a mixture of adhesive and modifiers comprising polyethers, then adhering paper webs to the cylinder and removing the paper from the cylinder with knives to provide creped paper products |
| 10/28/2004 | US20040211361 Coater for dispersed slurry |
| 10/28/2004 | DE20320514U1 Assembly to apply paste or liquid coating to surface of a moving paper or carton web moves between a normal operating position and a second non-operating position |
| 10/28/2004 | DE10255422B4 Verfahren und Vorrichtung zum Behandeln einer Papier- oder Kartonbahn Method and apparatus for treating a paper or cardboard web |
| 10/28/2004 | DE10252739A1 Tapetenpapier und Verfahren zu seiner Herstellung Wall paper and process for its preparation |
| 10/27/2004 | EP1470412A2 Multi-measurement / sensor coating consolidation detection method and system |
| 10/27/2004 | EP1470293A1 Machine for the production and/or conversion of a sheet of material and methods relating to such a machine, preventing impurities or facilitating removal thereof |
| 10/27/2004 | EP1470292A1 Process for manufacturing paper |
| 10/27/2004 | EP1469950A1 A coater apparatus |
| 10/27/2004 | EP1436136A4 Method for extrusion coating multiple webs |
| 10/27/2004 | EP1224035A4 Method and apparatus for deacidification of papers and books |
| 10/24/2004 | CA2464963A1 Creping additives for paper webs |
| 10/21/2004 | WO2004061236A3 Non-impact printing method for applying compositions to webs and products produced therefrom |
| 10/21/2004 | WO2003044274A8 Process for sizing paper and sizing composition |
| 10/21/2004 | US20040206467 Process for sizing paper |
| 10/21/2004 | US20040206466 Wet strength and softness enhancement of paper products |
| 10/21/2004 | US20040206274 Dispersion |
| 10/21/2004 | DE10316861A1 Coating equipment used in papermaking industry, includes moving component to pick up and remove contaminant particles from nozzle lips |
| 10/20/2004 | EP1469125A1 Wet strength and softness enhancement of paper products |
| 10/19/2004 | US6805965 Applying softness adjuvant; disposable products |
| 10/19/2004 | US6805912 Process and device for coating a support using a crosslinkable silicone composition |
| 10/19/2004 | US6805899 Combining signal samples to produce at least one machine direction profile of a characteristic of web; combining machine direction profile with correction data to produce a corrected machine direction profile of characteristic |
| 10/15/2004 | CA2462386A1 Wet strenght and softness enhancement of paper products |
| 10/14/2004 | WO2004088034A2 Aqueous compositions and their use in the manufacture of paper and paperboard |
| 10/14/2004 | WO2004087411A1 Laminate, recording material and method for producing those |
| 10/14/2004 | US20040200593 Base paper containing mechanical pulp and/or recycled fiber is calendered before surface sizing in a calender comprising at least one nip formed between a hard-faced roll and a soft-faced roll; good dry strength of paper surface; eveness of printing ink improved by obtaining nonporous gravure papers |
| 10/14/2004 | DE20220981U1 Preparation of paper, pasteboard, or cardboard involving cutting of the paper pulp, addition of microparticles of cationic polymer, e.g. cationic polyamide, and a finely divided inorganic component after the last cutting step |
| 10/14/2004 | DE20220979U1 Preparation of paper, pasteboard, or cardboard involving cutting of the paper pulp, addition of microparticles of cationic polymer, e.g. cationic polyamide, and a finely divided inorganic component after the last cutting step |
| 10/13/2004 | EP1467022A1 Method for producing coated paper for printing |
| 10/13/2004 | EP1467021A1 Method for treating a cardboard web |
| 10/13/2004 | EP1467020A1 Method for treating a cardboard web |
| 10/13/2004 | EP1467019A2 Arrangement for treating a paper or board web |
| 10/13/2004 | EP1466050A1 Nozzle array |
| 10/13/2004 | EP1465738A1 Method and apparatus for coating both sides of a web |
| 10/13/2004 | EP0963487B1 Wet end starch application |
| 10/12/2004 | US6803076 Die lip for strip coating |
| 10/12/2004 | US6802939 Polymer or monomer of (meth)acrylamide and an ethylenically unsaturated monomer with an amine or ammonium group on surface of polymer particle; mercaptan, sulfone; improved hydrophobicity and printability; brightness |
| 10/07/2004 | US20040194901 outer layer being formed from cellulosic fibers, containing an uncured latex having a glass transition temperature between -25 to 30 degree C. and less than about 2% by wt of the dry web;softness |
| 10/06/2004 | EP1043942B1 Soft tissue achieved by applying a solid hydrophilic lotion |
| 10/06/2004 | EP0999745B1 Anti-bacterial/anti-viral coatings, coating process and parameters thereof |
| 09/30/2004 | US20040191416 forming a material web in a wet section of a machine for one of paper and cardboard and guiding the material web which is still wet with a traveling, endless, carrier belt during application of a coating medium |
| 09/30/2004 | US20040188047 amide compound obtained by reacting a polyamine and a carboxylic acid |
| 09/29/2004 | EP1461500A2 Method for reducing bad smells in paper |