| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 07/22/2004 | CA2508813A1 Bicomponent strengthening system for paper |
| 07/21/2004 | EP1438194A1 Translucent web-type recording material and a method for producing the same |
| 07/15/2004 | WO2004048694A3 Tissue web product having both fugitive wet strength and a fiber flexibilizing compound |
| 07/15/2004 | WO2004038099A3 Method of making a dry bonded paperboard structure |
| 07/15/2004 | US20040138438 Cationised polysaccharide product |
| 07/15/2004 | US20040137261 Electrodeposited nickel coatings comprising abrasion resistant particles, metal oxides, metal carbides or metal nitrides, and additives of Teflon/PTFE; wear resistance; uniform deposition by controlling current density, positioning |
| 07/14/2004 | EP1437444A1 Method for producing and/or treatment of a material web |
| 07/14/2004 | EP1436136A1 Method for extrusion coating multiple webs |
| 07/13/2004 | US6761800 Extruding composition through die tip onto first side of paper web as web is being wound into roll, contacting composition with air stream upon exiting die tip; portion of composition transfers to second side of web during winding |
| 07/13/2004 | CA2305356C Spray application of an additive composition to sheet materials |
| 07/08/2004 | WO2004001133A3 Device for coating and drying the front and back of a web, particularly one consisting of paper or cardboard |
| 07/08/2004 | US20040131875 Method for coating a web of paper or paperboard and a coated paper grade |
| 07/08/2004 | US20040131842 Applying composition to nonwoven web using ink jet printer as droplets that remain as discrete shapes; paper and tissue webs |
| 07/08/2004 | US20040130069 Crosslinking agent application method and system |
| 07/07/2004 | EP1435410A1 Method for forming colored celulosic materials |
| 07/07/2004 | CN1510214A Method for producing coated paper or paper board |
| 07/06/2004 | US6758943 Method of making a high utility tissue |
| 07/02/2004 | CA2415911A1 Retention aid additives for paper making |
| 07/01/2004 | WO2004055267A1 Fiber suspension of enzyme treated sulphate pulp and carboxymethylcellulose for surface application in paperboard and paper production. |
| 07/01/2004 | DE202004007265U1 Printing or paper industry coating assembly for liquid or semi-liquid medium discharges through parallel lips that are a fixed part of the main assembly |
| 07/01/2004 | DE10260847A1 Applying adhesive, fluid- or viscous coating to web of paper or card, coats it over width of uncut web, at most |
| 07/01/2004 | DE10260593A1 Falling-liquid-curtain paper-coating equipment, is supplied directly by line to distribution chamber, where pressure is adjusted |
| 06/30/2004 | EP1433899A2 Process and apparatus for treating a paper or cardboard |
| 06/30/2004 | EP1432525A2 Application device |
| 06/30/2004 | EP1011969B1 Apparatus for distribution of particles on paper and process for providing paper with particles |
| 06/30/2004 | CN1509362A Assembly for treating web of paper of paperboard |
| 06/30/2004 | CN1155754C A process for the production of paper |
| 06/29/2004 | US6755939 Soft tissue paper having a softening composition containing bilayer disrupter deposited thereon |
| 06/24/2004 | WO2004053229A1 Filler-fiber composite |
| 06/24/2004 | WO2004053227A2 Filler-fiber composite |
| 06/24/2004 | WO2004052562A1 Shart dwell coater using sonic rods |
| 06/24/2004 | WO2004052554A1 Doctor apparatus |
| 06/24/2004 | US20040121080 Method of producing a coated substrate |
| 06/24/2004 | US20040121079 Forming a multilayer free flowing curtain which comprises at least two layers imparting at least two different barrier functionalities and contacting the curtain with a continuous web substrate; for paper and paperboard substrates; vapor barriers |
| 06/24/2004 | US20040118540 Papermaking, increasing wet and tensile strength by mixing high molecular weight polyvinylamine, hydrolyzed from vinylformamide units and glyoxylated polyacrylamide, bonds with each other, dechlorination, low chlorine content |
| 06/24/2004 | US20040118539 Methods for modifying electrical properties of papermaking compositions using carbon dioxide |
| 06/24/2004 | US20040118533 Cellulosic material is modified to include particular functional moieties so that cellulose will react with particular types of softeners and humectants; ultimately, chemical linkage is formed between additive and cellulose |
| 06/24/2004 | US20040118532 Paper wiping products treated with a hydrophobic additive |
| 06/24/2004 | US20040118531 comprises polysiloxane and wetting agent (nonionic surfactant); paper towels |
| 06/24/2004 | DE10255422A1 Process and assembly to apply a contoured undercoat of glue, starch and/or pigment to a web of moving carton or paper after passage through a broad nip calender |
| 06/24/2004 | CA2509514A1 Filler-fiber composite |
| 06/24/2004 | CA2507988A1 Doctor apparatus |
| 06/24/2004 | CA2507019A1 Filler-fiber composite |
| 06/23/2004 | EP1430178A1 Method in a paper or pulp process to control the chemical state of the pulp and circulation water system |
| 06/22/2004 | US6752905 Tissue products having reduced slough |
| 06/22/2004 | CA2326527C Device for applying a coating substance to a continuous paper web |
| 06/17/2004 | WO2004050995A1 Soft paper product including beneficial agents |
| 06/17/2004 | US20040112282 Device for suctioning an air boundary layer from a running web of material |
| 06/16/2004 | EP1428582A1 Method and apparatus for curtain coating |
| 06/16/2004 | EP1428581A1 Coater for dispersed slurry |
| 06/16/2004 | EP1227930B1 Non-abrasive composite doctor blade |
| 06/16/2004 | EP0891444B1 A process for including a fine particulate filler into tissue paper using an anionic polyelectrolyte |
| 06/16/2004 | EP0891443B1 A process for including a fine particulate filler into tissue paper using starch |
| 06/16/2004 | CN1504612A Safety line dispensing device capable of orienting line side |
| 06/16/2004 | CN1504610A Method for producing coating groundmass |
| 06/10/2004 | WO2004048694A2 Tissue web product having both fugitive wet strength and a fiber flexibilizing compound |
| 06/10/2004 | WO2004048692A2 Process for producing super high bulk, light weight coated papers |
| 06/10/2004 | WO2004048689A1 Board product and method for making the same |
| 06/10/2004 | WO2004048688A1 Board product and method for making the same |
| 06/10/2004 | WO2004048686A1 Board product and method for making the same |
| 06/10/2004 | US20040108083 Paper, paperboard; controlling morphology, particle size |
| 06/10/2004 | US20040108081 Filler-fiber composite |
| 06/10/2004 | US20040107899 Application device |
| 06/09/2004 | EP1426489A1 Method for manufacturing a multilayered pulp product comprising a charge between layers |
| 06/09/2004 | EP1425473A1 Method and apparatus for producing sized paper or board |
| 06/09/2004 | EP1425472A1 Method of improving retention and drainage in a papermaking process using a diallyl -n, n-disubstituted ammonium halide/acrylamide copolymer and a structurally modified cationic polymer |
| 06/09/2004 | EP1214470B1 Surface finishing of paper or board, and agent for this purpose |
| 06/08/2004 | US6746572 Method for determining a characteristic value for the binding force potential of suspended paper fibers and use of this method |
| 06/03/2004 | WO2004046259A1 Improvement of paper or paperboard |
| 06/03/2004 | WO2004035923A3 Tissue paper softening compositions and tissue papers comprising the same |
| 06/03/2004 | US20040106716 Coating and method for producing coated paper or cardboard |
| 06/03/2004 | US20040104004 Adding cationised polysaccharide product to aqueous suspension containing cellulosic fibres, and optionally fillers, forming and draining the suspension on a wire |
| 06/03/2004 | US20040103985 Method of making a dry bonded paperboard structure |
| 06/03/2004 | DE10252812A1 Cleaning installation for a papermaking/finishing machine and especially a coating applicator, has a number of jet assemblies acting on the machine components to apply an intensive cleaning during working |
| 06/02/2004 | EP1423444A1 Amphoteric polymer resins that increase the rate of sizing development |
| 06/02/2004 | EP0972110B1 Method for producing high dry-strength paper, pulpboard and cardboard |
| 06/02/2004 | CN1500563A Production method of multi-layer coating substrate with improved obstructive performance |
| 06/01/2004 | US6743478 Improvement in the reduction of the amount of boundary air penetration to the application zone of a curtain coater. |
| 05/27/2004 | WO2004044327A1 Soft hydrophilic tissue products containing polysiloxane and having unique absorbent properties |
| 05/27/2004 | WO2004044323A1 Process for coating a web with a coating powder |
| 05/27/2004 | WO2004044317A2 Wallpaper and method for production thereof |
| 05/27/2004 | US20040099392 paper web with polysiloxane softener and agent such as aloe vera extract, vitamin E, petrolatum; facial tissue, bath tissue, paper towels for example |
| 05/27/2004 | US20040099391 Process for producing super high bulk, light weight coated papers |
| 05/27/2004 | US20040099387 Crosslinked cellulose with humectant and plasticizer |
| 05/27/2004 | DE10253822A1 Sensors, for monitoring the production of paper/cardboard webs, are given an on-line calibration, using laboratory measurement data which generate calibration software to correct sensor measurements |
| 05/27/2004 | CA2523395A1 Wallpaper and method for production thereof |
| 05/26/2004 | EP1149202B1 Doctor blade mounting assembly |
| 05/25/2004 | US6740329 Process for applying a softening or emollient lotion to a paper product and paper product obtained according to this process |
| 05/21/2004 | WO2004042146A1 Method for applying a lotion to sanitary or home-use paper and/or paper-like sanitary or home-used material |
| 05/21/2004 | WO2003033237B1 Method for extrusion coating multiple webs |
| 05/20/2004 | US20040096649 Web containing pigment; applying power source |
| 05/20/2004 | US20040094277 Toothed ring controls the flow of the pulp and lime mixture and/or pulp lime mixture through the gas ring, where a chemical reaction forming calcium carbonate occurs |
| 05/19/2004 | EP1419298A1 Method for production of coated paper with extreme whiteness |
| 05/19/2004 | EP1266093B1 Application device and process |
| 05/19/2004 | DE202004000333U1 Spray-coating unit used in papermaking, includes supportive blowing nozzles along and on opposite sides of web, which alter its direction of travel |
| 05/19/2004 | DE10307201A1 Fiber suspension from recycled paper, for the production of writing and printing papers, has a feed of bulking agent before the final refining beating stage for improved retention |
| 05/19/2004 | DE10251608A1 Application of a lotion to tissue paper and the like, to give odor or particular properties, uses a cooling station to reduce the web temperature before contact with the applicator rollers |
| 05/19/2004 | CN1498138A Method of high speed coating pigment-containing liquid coating material |
| 05/19/2004 | CN1150369C Additive composition for paper making |
| 05/13/2004 | US20040091733 Feeding a length of a lightweight web along with a length of carrier web to an extruder with the lightweight web atop the carrier web; extruding a polymer film coating onto the lightweight web and carrier web in the extrude; separating |