| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 07/20/2011 | CN201901809U Vacuum box for coating wet film |
| 07/20/2011 | CN201901808U Dipping coating airflow drying production line |
| 07/20/2011 | CN102127881A Device for automatically controlling surface glue level of glue metering tank |
| 07/20/2011 | CN101768893B Stone paper paint, preparation method thereof and stone paper prepared by stone paper paint |
| 07/20/2011 | CN101725084B Anti-counterfeiting paper spray-painting device, system and method |
| 07/20/2011 | CN101624794B Material for producing disposable tableware or industrial goods tray and production method thereof |
| 07/20/2011 | CN101608415B Preparation method of aramid fiber powdery pulp for papermaking filling and application thereof in papermaking |
| 07/20/2011 | CN101096828B Resin viscous materials control agent and method |
| 07/19/2011 | US7981250 Flocculating a cellulosic suspension using a flocculant system of sequential/led papersimultaneous addition of a siliceous material and an organic, cationic or anionic micropolymer dispersed in a salt solution; improved flocculating the cellulosic suspension; effective papermaking of highly filled paper |
| 07/19/2011 | US7980250 Smokers filter |
| 07/14/2011 | WO2011084996A2 Improved modifying agent for yankee coatings |
| 07/14/2011 | WO2011083518A1 Head for df coater |
| 07/14/2011 | DE10358754B4 Bahnfördervorrichtung Web conveying device |
| 07/14/2011 | CA2786403A1 Improved modifying agent for yankee coatings |
| 07/13/2011 | CN102121212A Method for producing marble art paper |
| 07/13/2011 | CN102121211A Automatic gluing system |
| 07/12/2011 | US7976904 Curtain coating process using a high solids content composition, and coated product |
| 07/12/2011 | CA2601958C Hollow organic pigment core binder coated paper and paperboard articles and methods for making the same |
| 07/07/2011 | WO2011080626A2 Anti-viral tissue product with visual efficacy indicator |
| 07/07/2011 | CA2785089A1 Anti-viral tissue product with visual efficacy indicator |
| 07/06/2011 | EP2341185A1 A metering device as well as a holder unit, a holder, an insert unit and an insert for such a metering device. |
| 07/06/2011 | EP2340332A2 Device for impregnating a web-type material with thermally curable impregnating resin |
| 07/06/2011 | EP2340331A1 Method for making a security document |
| 07/06/2011 | CN102115999A Surfactant-free method for curtain coating of base material |
| 07/06/2011 | CN101440152B Preparation and use of cation aqueous polyurethane emulsion |
| 06/30/2011 | WO2011077048A1 Ultrasmooth and recyclable printable sheet and process for manufacturing same |
| 06/30/2011 | WO2011076629A1 Rod bed locking systems |
| 06/30/2011 | WO2011013049A4 Coated printing substrate |
| 06/30/2011 | US20110155338 Bulk Enhancement For Airlaid Material |
| 06/30/2011 | CA2785183A1 Ultrasmooth and recyclable printable sheet and process for manufacturing same |
| 06/30/2011 | CA2784864A1 Rod bed locking systems |
| 06/29/2011 | CN102108654A Impregnating and glue squeezing device |
| 06/29/2011 | CN101654164B Paper strapping tape and preparation process thereof |
| 06/29/2011 | CN101608417B Dry spraying decorative paper and manufacturing technology thereof |
| 06/29/2011 | CN101495698B The use of alkenyl succinic anhydride compounds derived from symmetrical olefins in internal sizing for paper production |
| 06/23/2011 | US20110146928 Papers for liquid electrophotographic printing and method for making same |
| 06/23/2011 | US20110146925 Aldehyde-functionalized polymers with enhanced stability |
| 06/22/2011 | DE202011005447U1 Florstreichanlage für eine Papier- oder Kartonmaschine Florstreichanlage for a paper or board machine, |
| 06/22/2011 | DE102009058467A1 Curtain applicator, useful for multilayer coating of a liquid or pasty medium on a moving paper or cardboard sheet, comprises outer nozzle walls having a nozzle body, which forms the separate medium streams for the layers to be applied |
| 06/22/2011 | DE102009054737A1 Vorhang-Auftragswerk Curtain coater |
| 06/22/2011 | CN1950571B Method for the production of paper and cardboard, corresponding novel retention and draining agents, and paper and cardboard thus obtained |
| 06/22/2011 | CN101691717B Mirror surface release paper for synthesizing leather |
| 06/22/2011 | CN101302733B Dust-free paper papermaking process |
| 06/16/2011 | WO2011070229A1 Doctor blade for a fiber web machine and doctor arrangement in a fiber web machine |
| 06/16/2011 | US20110139388 Cationic starch graft copolymers and novel process for the preparation of cationic starch graft copolymers |
| 06/15/2011 | CN201865000U Paper cleaning and softening box |
| 06/15/2011 | CN201864999U Assistant agent adding device of paper pulp molding |
| 06/15/2011 | CN102094364A Cigarette paper with low ignition tendency and preparation method thereof |
| 06/15/2011 | CN102094360A Coating device with upper glue squeezing rolls and lower anilox roll |
| 06/15/2011 | CN102094359A Double-anilox coating device |
| 06/15/2011 | CN102094358A Soaking and coating airflow drying production line |
| 06/15/2011 | CN101806012B Manufacture method of cigarette paper containing rhodiola roots |
| 06/15/2011 | CN101629400B Method for producing polishing-free primer paper |
| 06/15/2011 | CN101581056B Method for producing metallic leatherette paper |
| 06/15/2011 | CN101537523B Method of automatic welding of manual arc welding machine |
| 06/09/2011 | WO2011019786A3 Application of chemical aids after a headbox of a papermaking process |
| 06/09/2011 | US20110133442 Method for increasing adhesion between a security element and a fibrous sheet material |
| 06/09/2011 | DE102009047462A1 Coating moving paper- or board web in coating machine, comprises guiding and transporting web via coating machine, applying pre-coating on web side, smoothening, and applying main coating on web-side provided with pre-coating |
| 06/08/2011 | EP2329078A1 Process for preparing a buffer solution in a papermaking process |
| 06/08/2011 | EP2328691A1 A method for making printing paper |
| 06/08/2011 | CN102086616A Method for manufacturing surface wear-resisting impregnated paper of laminate floor by dry-spraying Al2O3 |
| 06/07/2011 | CA2469292C Method and apparatus for curtain coating |
| 06/03/2011 | WO2011065911A1 A method for applying a barrier on moulded fibrous product and a product produced by said method |
| 06/03/2011 | WO2011064454A1 Process for preparing a coating for a fiber matrix |
| 06/03/2011 | CA2781350A1 A method for applying a barrier on moulded fibrous product and a product produced by said method |
| 06/02/2011 | US20110126995 Method for production of paper |
| 06/01/2011 | EP2326938A1 Determining the amount of starch |
| 06/01/2011 | DE202011004143U1 Pumpeinrichtung für einen Flüssigkeitsvorhang und Streicheinrichtung Pumping device for a liquid curtain coater |
| 06/01/2011 | DE102008012221B4 Verfahren zum Streichen eines noch feuchten lagenförmigen Substrats A method for removal of a still-wet sheet-like substrate |
| 06/01/2011 | CN201850468U Impregnation device for carrying out impregnation on paper base |
| 06/01/2011 | CN101692777B Plant fiber mulching film and manufacture method thereof |
| 06/01/2011 | CN101624795B Gold and silver piece color intrigue decorative paper and manufacturing method thereof |
| 05/31/2011 | US7951266 Method of producing absorbent sheet with increased wet/dry CD tensile ratio |
| 05/26/2011 | WO2011039325A3 Method of improving properties of cellulose-based fibrous sheet-formed materials |
| 05/25/2011 | EP2325388A1 Filler for papermaking process |
| 05/25/2011 | EP1395705B1 Process for making multilayer coated paper or paperboard |
| 05/25/2011 | CN201843018U Charging device |
| 05/25/2011 | CN101265681B Apparatus and method of curtain coating |
| 05/25/2011 | CN101094956B Composition and its use in papermaking |
| 05/24/2011 | CA2440449C Process for making multilayer coated paper or paperboard |
| 05/19/2011 | WO2011058613A1 Df coater |
| 05/19/2011 | WO2011035964A3 Blade coating |
| 05/19/2011 | US20110116658 Fine natural fiber and speaker diaphragm coated with fine natural fiber |
| 05/19/2011 | DE102010043903A1 Device in inlet line of curtain coating machine, useful for controlling flow properties of paste introduced into nozzle slot of machine, comprises feeding pump to introduce paste into inlet line, pulsation dampener and control element |
| 05/18/2011 | EP2322714A1 A process for the production of paper |
| 05/18/2011 | CN201835182U Roller type coating device of carbon paper |
| 05/18/2011 | CN102061642A Method for improving intensity of corrugated medium paper and paperboard by using pulping waste liquor of high-yield pulp |
| 05/18/2011 | CN101748648B Method for making mica paper by reinforcement of aramid short fiber and chemical pulping |
| 05/18/2011 | CN101010460B Beam construction and method for manufacturing the same |
| 05/17/2011 | US7943012 Protecting device for spraying equipment and method of protecting it and its surroundings |
| 05/17/2011 | US7943010 Method of making surface-sized paper/board |
| 05/17/2011 | CA2396854C Method of making coated mat online and coated mat products |
| 05/12/2011 | WO2011013049A3 Coated printing substrate |
| 05/12/2011 | US20110108227 Process For Applying Composition Containing A Cationic Trivalent Metal And Debonder And Fluff Pulp Sheet Made From Same |
| 05/12/2011 | US20110108224 Papermaking press felt and papermaking method |
| 05/11/2011 | EP1392927B1 Uncreped tissue paper having a high wet:dry tensile strength ratio |
| 05/11/2011 | CN201826217U Glue dipping device for decorative paper sample |
| 05/11/2011 | CN101691720B Treatment method for preventing ink dropping of black paperboard |
| 05/11/2011 | CN101613977B Fortifying fibre for making paper as well as preparation method and application thereof |
| 05/11/2011 | CN101476263B Arranging apparatus for incontinuously locating and embedding single piece anti-counterfeiting characteristic articles in paper |