| Patents for D21H 25 - After-treatment of paper not provided for in groups (4,291) |
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| 06/20/2012 | CN102501276A Impregnated paper composite thin bamboo and production method thereof |
| 06/20/2012 | CN102501275A Impregnated paper composite fir core board and production method thereof |
| 06/14/2012 | US20120145341 Method of Making a Fabric-Creped Absorbent Cellulosic Sheet |
| 06/13/2012 | EP2461968A2 Fibrous sheet that disintegrates in water, process for manufacturing said fibrous sheet, core consisting of strips of said fibrous sheet |
| 06/13/2012 | EP2461967A2 Fibrous sheet that disintegrates in water, process for manufacturing said fibrous sheet, core consisting of strips of said fibrous sheet |
| 06/13/2012 | CN202273142U 原纸雾化加湿系统 Paper atomized humidification system |
| 06/13/2012 | CN102493282A High-definition shooting rehabilitation instrument for calligraphy, painting and ancient book |
| 06/13/2012 | CN102493281A Granule dispersing system of granular wallpapers |
| 06/06/2012 | EP2183057B1 Method and apparatus for the application of plastics coatings |
| 06/06/2012 | CN202265741U 皱纹绝缘纸拉伸装置 Wrinkles insulating paper stretching device |
| 06/05/2012 | CA2501329C Fabric crepe process for making absorbent sheet |
| 05/31/2012 | WO2012069301A1 Method and system for impregnating and drying a continuous paper web |
| 05/31/2012 | CA2820615A1 Method and system for impregnating and drying a continuous paper web |
| 05/30/2012 | CN101838449B Poly lactic acid foaming composition |
| 05/23/2012 | EP1563141B1 Process for coating a web with a coating powder |
| 05/23/2012 | CN102465474A 一种宣纸的处理工艺 Process a rice paper |
| 05/18/2012 | WO2012063188A2 Sealed metered coating apparatus |
| 05/16/2012 | CN202220311U Paper drying system |
| 05/09/2012 | CN202214658U Steam humidifier |
| 05/09/2012 | CN202214657U Carbonless copy paper coating machine feeding groove |
| 05/03/2012 | WO2012057790A1 Paper enhancement treatment with decreased calcium chloride |
| 05/03/2012 | WO2012055885A1 Surface treatment method for a security document and corresponding document and machine |
| 05/02/2012 | CN1902315B Endoglucanase STCE and cellulase preparation containing the same |
| 04/25/2012 | CN102425930A 一种新型纸板烘干机 A new board dryer |
| 04/25/2012 | CN102425079A 一种自动刮边机构 An automatic scraping edge agencies |
| 04/19/2012 | WO2012001071A3 Method for producing crepe paper that is smooth on one side |
| 04/19/2012 | DE102008030485B4 Verfahren und Anordnung zur Restaurierung von geschädigter Papiersubstanz Method and system for restoration of damaged paper substance |
| 04/18/2012 | CN202194027U 面纸二次浸胶托辊机构 Tissues secondary dipping roller mechanism |
| 04/18/2012 | CN202194026U 原纸一次浸胶排风装置 Paper once dipped exhaust devices |
| 04/18/2012 | CN101906740B 一种平板钢纸的制造工艺 A flat steel sheet manufacturing process |
| 04/17/2012 | US8157959 Board, a method of manufacturing the same and a container made from it |
| 04/12/2012 | US20120085567 Electrical insulation materials and methods of making and using same |
| 04/11/2012 | EP1908878B1 Process for producing coated paper and coated paper |
| 04/10/2012 | US8152958 Fabric crepe/draw process for producing absorbent sheet |
| 04/10/2012 | US8151805 Cigarette with the amount of sidestream smoke reduced |
| 04/04/2012 | CN102400417A 一种纸张修复装置 A sheet repair device |
| 03/29/2012 | WO2011015948A8 Fibrous sheet that disintegrates in water, process for manufacturing said fibrous sheet, core consisting of strips of said fibrous sheet |
| 03/21/2012 | CN101535037B Fabric crepe/draw process for producing absorbent sheet |
| 03/14/2012 | CN102166916B Method of protecting archives with red-ink handwriting from spreading and sinking in during process of papering and repairing |
| 03/14/2012 | CN101198747B Sieve mechanism for the production of paper, and method for the treatment of nonwoven fibers |
| 03/13/2012 | US8132830 Security and/or valuable document |
| 03/01/2012 | WO2012027253A1 Papermaking additives for roll release improvement |
| 03/01/2012 | US20120048493 Process for preparing fluff pulp sheet with cationic dye and debonder surfactant and fluff pulp sheet made from same |
| 03/01/2012 | CA2806389A1 Papermaking additives for roll release improvement |
| 02/29/2012 | EP2421685A2 Improved process for the treatment of a porous material |
| 02/29/2012 | EP1383960B1 Method for coating a web of paper or paperboard and a coated paper grade |
| 02/28/2012 | US8123905 Absorbent sheet exhibiting resistance to moisture penetration |
| 02/22/2012 | CN102362032A Device for leveling |
| 02/21/2012 | US8118974 Structure for producing castings |
| 02/16/2012 | US20120040171 Method for making a fibrous article |
| 02/15/2012 | EP1893803B9 Method for treating a process material during the production of paper, card, or cardboard |
| 02/14/2012 | CA2622804C Lotioned fibrous structures |
| 02/09/2012 | US20120031573 Deinking of waste paper |
| 02/08/2012 | EP2414588A1 Device for leveling |
| 02/02/2012 | WO2012013857A1 Arrangement, apparatus and method for determining blade pressure |
| 02/01/2012 | EP1828475B1 Method and apparatus for processing a fibre web |
| 02/01/2012 | CN202131539U 一种蒸汽回水装置 A steam backwater device |
| 02/01/2012 | CN101748642B 一种邮资票品专用防伪宣纸、邮资票品及其生产方法 A postage stamps dedicated security rice paper, postage stamps and production method |
| 01/24/2012 | CA2563939C Tissue paper with protruding lotion deposits |
| 01/11/2012 | CN102312396A Manufacturing method of firecracker paper |
| 01/05/2012 | WO2012001071A2 Method for producing crepe paper that is smooth on one side |
| 01/04/2012 | CN202099693U Pressurizing atomizing deacidification device |
| 01/04/2012 | CN102304875A Production method of removable self-stick note and product |
| 01/03/2012 | CA2652423C Fibrous structures comprising a region of auxiliary bonding and methods for making same |
| 12/28/2011 | EP2398963A1 Method for the production of an impregnate provided with markings, a board coated with the impregnate, and use of the impregnate in a concrete casting mould |
| 12/21/2011 | CA2743684A1 Web product featuring perforations formed from overstrained fibers |
| 12/13/2011 | US8074663 Flame-retardant and fireproof cigarette |
| 12/08/2011 | WO2011151238A1 Method for producing a coated multilayer fibrous web |
| 12/07/2011 | EP2391688A2 Tape comprising recycled paper |
| 12/07/2011 | CN102268842A 可溶性四硼酸盐作为纸张脱酸剂用于纸张脱酸的方法 Soluble tetraborate deacidification agent is used as a paper sheet deacidification methods |
| 12/07/2011 | CN102268834A 制造吸收性片材用的织物起绉方法 The method of producing a fabric-creped absorbent sheet used |
| 12/07/2011 | CN101228316B 胶版印刷用涂布纸 Offset printing coated paper |
| 12/06/2011 | US8071667 Compositions comprising (poly) alpha olefins |
| 12/01/2011 | US20110290435 Method For Producing A Watermark Element, Watermark Element, And Also Applications |
| 11/30/2011 | CN102261016A 食品包装分离纸的制备方法 Methods for preparing food packaging separation sheet |
| 11/30/2011 | CN101652507B 空气穿透干燥织物 Through-air drying fabric |
| 11/29/2011 | US8066903 Method for preparing a cellulose carbamate solution |
| 11/23/2011 | EP2146805B1 Materials having a textured surface and methods for producing same |
| 11/23/2011 | CN202047321U Back letter mark device used for dipping production |
| 11/23/2011 | CN102251439A Method for processing release paper |
| 11/17/2011 | WO2011117133A3 Method and device for applying at least one layer of an application medium to the surface of a traveling paper, board or other fibrous web |
| 11/16/2011 | CN102242530A Deacidifying method for paper cultural relics |
| 11/16/2011 | CN102242529A Pressurizing, atomizing and deacidifying device and method for pressurizing, atomizing and deacidifying by using same |
| 11/16/2011 | CN102242527A Functional cigarette paper and preparation method |
| 11/09/2011 | CN101243226B Process for producing coated paper and coated paper |
| 11/08/2011 | DE202004021835U1 Vorrichtung zum Auftragen eines flüssigen oder pastösen Auftragsmediums auf einen laufenden Untergrund An apparatus for applying a liquid or pasty application medium to a moving substrate |
| 11/03/2011 | US20110265712 Metering rod for metering systems for dispersing and wiping off a liquid or viscous medium on moving material webs |
| 11/02/2011 | EP1960602B1 Applicator mechanism for applying a highly abrasive coating material to a moving carrier web |
| 11/02/2011 | CN202023117U Surface spraying device in paper production |
| 10/26/2011 | CN202017165U Paper feeding device used in impregnation production |
| 10/18/2011 | CA2503966C Process for producing super high bulk, light weight coated papers |
| 10/12/2011 | CN202007365U Coating system capable of enhancing adhesion of aluminum-coated layer |
| 10/12/2011 | CN102216525A Device for impregnating a web-type material with thermally curable impregnating resin |
| 10/12/2011 | CN101208197B Support for image recording material, process for producing the same, and image recording material |
| 10/05/2011 | CN202000215U Automatic temperature wrap angle controller of preheater for processing corrugated paper |
| 09/29/2011 | WO2011117133A2 Method and device for applying at least one layer of an application medium to the surface of a traveling paper, board or other fibrous web |
| 09/29/2011 | US20110232854 Method of making a coating and a coated acoustical panel using degraded fibers |
| 09/28/2011 | EP2367980A2 Shoe press belt |
| 09/27/2011 | US8025924 Cast-coated papers and processes for preparing thereof |
| 09/27/2011 | CA2463312C Method for the modification of polymeric carbohydrate materials |