| Patents for D21H 25 - After-treatment of paper not provided for in groups (4,291) |
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| 02/06/2013 | CN202718005U Spray humidification system of flat double-wall machine |
| 02/06/2013 | CN101087694B Printing paper and a method for the production thereof |
| 01/31/2013 | DE10196789B4 Beschichtungsverfahren Coating process |
| 01/31/2013 | CA2844339A1 Belt-creped, variable local basis weight multi-ply sheet with cellulose microfiber prepared with perforated polymeric belt |
| 01/30/2013 | CN202705807U Combination flatting device for gumming machine |
| 01/30/2013 | CN202705806U Rubber tank heating and insulation device for rubber dip machine |
| 01/30/2013 | CN202705805U Removing machine for hot gas in paperboards |
| 01/30/2013 | CN102899964A Pulp repair machine for paper documents |
| 01/24/2013 | WO2013012613A1 Debonder and softener compositions |
| 01/24/2013 | US20130023019 Processing Biomass |
| 01/24/2013 | CA2840994A1 Debonder and softener compositions |
| 01/23/2013 | EP2548742A1 A method for producing identification marks on paper or board and a marked material made with the method |
| 01/16/2013 | CN202671969U Pneumatic scraper metering device |
| 01/15/2013 | US8354004 Unruptured, ionic, swollen starch for use in papermaking |
| 01/02/2013 | EP2540910A1 Production method and production device for coated paper |
| 12/19/2012 | CN102828443A Method for deacidifying through utilizing soluble tetraborate in supercritical CO2 state |
| 12/12/2012 | CN202595577U Press board humidity adjusting device |
| 12/11/2012 | US8328985 Method of making a fabric-creped absorbent cellulosic sheet |
| 12/06/2012 | US20120308790 Surface treatment composition |
| 11/28/2012 | CN102797196A Method for repairing written document |
| 11/28/2012 | CN102797195A Method for reducing organosilicon transfer of release paper |
| 11/27/2012 | US8317976 Cut resistant paper and paper articles and method for making same |
| 11/21/2012 | CN202543729U Arc-discharging paper deacidification device |
| 11/21/2012 | CN202543728U Dip dyeing machine for ancient book repair |
| 11/21/2012 | CN202543727U Multifunctional reparation working table for ancient book reparation |
| 11/21/2012 | CN202543726U Ancient book reparation pull-dyeing machine |
| 11/21/2012 | CN202543115U Ancient book repairing starch extracting machine |
| 11/21/2012 | CN102791926A Rod bed locking systems |
| 11/21/2012 | CN102191723B Rice paper coating equipment |
| 11/15/2012 | DE10084321B3 Verfahren zum Steuern der Feuchtigkeit einer Papier- oder Kartonbahn beim Beschichten und Kalandern A method for controlling the moisture of a paper or board web during coating and calendering |
| 11/14/2012 | CN102242530B Deacidifying method for paper cultural relics |
| 11/07/2012 | CN102766614A Endoglucanase STCE and cellulase preparation containing the same |
| 11/01/2012 | WO2012063188A3 Sealed metered coating apparatus |
| 11/01/2012 | US20120272461 Dyes with changeable solubilities, and methods for their use |
| 10/31/2012 | EP2516740A1 Rod bed locking systems |
| 10/24/2012 | EP2514869A1 Squeegee holder |
| 10/24/2012 | CN101349029B Method and device for controlling the optical properties of a fiber web |
| 10/23/2012 | CA2423639C Coated paper for printing |
| 10/18/2012 | WO2012113355A3 Gravure press and method for producing cigarette paper having fire-retardant bands |
| 10/18/2012 | DE102011007321A1 Rakelhalter Blade holder |
| 10/18/2012 | DE102011007305A1 Doctor blade device useful for dosing and/or equalizing an application medium, comprises flexible soft band as doctor blade element, which is guided and held on holder, and convex curve of working surface present along length of device |
| 10/17/2012 | CN102733264A Squeegee holder |
| 10/17/2012 | CN101558106B Tailored control of surface properties by chemical modification |
| 10/11/2012 | WO2012089611A3 Flame treatment of a substrate |
| 10/10/2012 | CN202482703U Cooling system of release paper coating device |
| 10/10/2012 | CN202482702U Release paper humidifying device |
| 10/10/2012 | CN202482701U Paperboard softening mechanism |
| 10/10/2012 | CN202482691U Drying device |
| 10/04/2012 | WO2012130910A1 Pressure-zone regulation for a scraper |
| 10/04/2012 | US20120247698 Absorbent Fabric-Creped Cellulosic Web For Tissue And Towel Products |
| 09/27/2012 | WO2012127418A1 Information medium or paper comprising a self-repairing material |
| 09/27/2012 | WO2012126816A1 Device and method for impregnating a paper web |
| 09/19/2012 | CN102677544A Vacuum ancient book and paper document patching method |
| 09/19/2012 | CN102677023A Roll-to-roll type glow discharge generation device and process for modifying surface of flexible material |
| 09/13/2012 | WO2012120193A1 Doctor blade |
| 09/13/2012 | WO2012095553A3 Spray apparatus and spray method for fiber web |
| 09/12/2012 | CN202430592U Granule spreading device for granule wallpapers |
| 09/05/2012 | CN101331270B Paper comprising pipd pulp and a process for making same |
| 08/30/2012 | US20120216972 Method Of Making A Fabric-Creped Absorbent Cellulosic Sheet |
| 08/28/2012 | US8252144 Flame resistant paper product and method for manufacturing |
| 08/23/2012 | US20120211187 Method Of Making A Cellulosic Absorbent Sheet |
| 08/23/2012 | US20120211186 Method Of Making A Cellulosic Absorbent Sheet |
| 08/22/2012 | CN202390723U Filter paper humidifying device |
| 08/22/2012 | CN102648317A Blade coating |
| 08/22/2012 | CN102644218A Arc discharge paper deacidification device and method |
| 08/16/2012 | US20120205061 Absorbent, nonwoven material exhibiting z-direction density gradient |
| 08/15/2012 | EP1756360B1 Aramid paper blend |
| 08/15/2012 | EP1252392B1 Uncoated paper and board products |
| 08/15/2012 | CN202380362U High-definition shooting and restoring instrument for calligraphy, paintings and ancient books |
| 08/15/2012 | CN202380361U Automatic humidifying equipment mounted on paperboard gluing machine |
| 08/09/2012 | US20120199297 Method of manufacturing disposable wipers and towels containing 40% or more post-consumer waste |
| 08/08/2012 | CN1625628B Processing device and method of operating the device for processing a coated or uncoated fibrous web |
| 08/02/2012 | WO2012102195A1 Porous electrode substrate, method for producing same, precursor sheet, membrane electrode assembly, and solid polymer fuel cell |
| 08/02/2012 | WO2012100653A1 Aramid honeycomb core board |
| 08/02/2012 | CA2825663A1 Porous electrode substrate, method for manufacturing same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell |
| 08/01/2012 | EP2480885A1 Testing device for identifying antigens and antibodies in biofluids |
| 08/01/2012 | EP2480720A1 Blade coating |
| 08/01/2012 | CN202361763U 瓦楞纸干燥装置 Corrugated drying device |
| 08/01/2012 | CN202359460U Automatic scraping mechanism |
| 08/01/2012 | CN102619129A Preparation method of high-porosity polymer thin film felt and product prepared according to method |
| 07/25/2012 | EP2340332B1 Device for impregnating a web-type material with thermally curable impregnating resin |
| 07/25/2012 | CN202350470U Natural gas direct combustion impregnated paper drying box |
| 07/24/2012 | US8226797 Fabric crepe and in fabric drying process for producing absorbent sheet |
| 07/19/2012 | WO2012095553A2 Spray apparatus and spray method for fiber web |
| 07/19/2012 | US20120180966 Fabric-Creped Absorbent Cellulosic Sheet Having A Variable Local Basis Weight |
| 07/19/2012 | US20120180965 Method of Making a Fabric-Creped Absorbent Cellulosic Sheet |
| 07/18/2012 | EP1817461B1 Method of making surface-sized paper/board |
| 07/18/2012 | CN202337919U 一种纸张冷却装置 A sheet cooling device |
| 07/11/2012 | EP2054465B1 Tailored control of surface properties by chemical modification |
| 07/11/2012 | CN102576017A Testing device for identifying antigens and antibodies in biofluids |
| 07/11/2012 | CN102561108A Fragile paper production process based on once forming |
| 07/10/2012 | CA2444936C A method of producing a coated substrate |
| 07/05/2012 | US20120168103 Creping Adhesive Compositions And Methods Of Using Those Compositions |
| 07/04/2012 | CN202298354U 一种生产离型纸的回湿装置 A method of producing release paper rewet apparatus |
| 07/04/2012 | CN202298353U 一种离型纸生产中的间歇式蒸汽系统 One kind of release paper production batch steam system |
| 06/27/2012 | CN102517995A Production method of security paper with multiple security patterns |
| 06/27/2012 | CN102517964A Fabric crepe and in fabric drying process for producing absorbent sheet |
| 06/27/2012 | CN101608109B Low-temperature preparation method of super-hydrophobicity film surface |
| 06/20/2012 | CN102510802A Fibrous sheet disintegrating in water, process for manufacturing said fibrous sheet, use of said fibrous sheet for the manufacture of a core |
| 06/20/2012 | CN102505561A Electron beam curing surface protective coating for direct vacuum aluminum-plated paper and preparation method thereof |