| Patents for D21H 13 - Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (4,906) |
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| 03/13/2013 | CN102099514B Polyphenylene sulfide fiber, process for producing the same, wet-laid nonwoven fabric, and process for producing wet-laid nonwoven fabric |
| 03/13/2013 | CN101952511B Papers containing fibrids derived from diamino diphenyl sulfone |
| 03/13/2013 | CN101581060B Cigarette packaging material and cigarettes |
| 03/07/2013 | US20130055517 Article and soil capture agent for cleaning surfaces |
| 03/06/2013 | CN202766926U Ceramic fiber production forming machine |
| 03/06/2013 | CN102958690A Multilayer structure useful for electrical insulation |
| 03/06/2013 | CN102953290A Meta-aramid precipitation fiber reinforced polyimide fiber paper preparation method |
| 03/06/2013 | CN102953289A Polyimide resin reinforced meta-aramid paper preparation method |
| 03/06/2013 | CN102953288A Para-aramid pulp enhanced polyimide fiber paper preparation method |
| 02/27/2013 | CN102943411A Paste for wall paper capable of shielding electromagnetic wave, and preparation method thereof |
| 02/27/2013 | CN102943410A Method for preparing MWNT (Multi-Walled Carbon Nanotube) modified paper-based friction material |
| 02/26/2013 | US8381536 Conductive webs |
| 02/21/2013 | WO2013024862A1 Method for producing papermaking feedstock, papermaking feedstock obtained thereby, and heat-resistant electrical insulation sheet material using the feedstock |
| 02/19/2013 | US8377526 Compositions containing expandable microspheres and an ionic compound, as well as methods of making and using the same |
| 02/13/2013 | CN202730536U Anti-fake coated paper capable of being stored for long time |
| 02/13/2013 | CN102926283A Device and method for making aramid fiber mica paper |
| 02/13/2013 | CN102926281A Temperature dependent reversible tenebrescence anti-counterfeiting paper and production method thereof |
| 02/13/2013 | CN102926270A Method for preparing polyimide fiber paper |
| 02/13/2013 | CN102174771B Method for making additive meta-aramid paper |
| 02/12/2013 | US8372242 Conductive webs and process for making same |
| 02/06/2013 | CN102912688A Preparation method of filter paper for filter containing nanometer titania |
| 02/06/2013 | CN102912687A Filter paper for fuel filter containing modified diatomite |
| 02/06/2013 | CN102912686A Filter paper for air filter containing modified nano bamboo charcoal powder |
| 02/06/2013 | CN102912685A Preparation method of filter paper for air filter containing nano-porcelain clay |
| 02/06/2013 | CN102912683A High-temperature resistant fuel oil filter paper and preparation method thereof |
| 02/06/2013 | CN102912682A Filter paper doped with viscose-based activated carbon fiber for automobile filter and preparation method of filter paper |
| 02/06/2013 | CN102912681A Bamboo pulp filter paper for electric spray gasoline filter and preparation method of bamboo pulp filter paper |
| 02/06/2013 | CN102912680A High-temperature resistant fiber filter paper for engine oil filter and preparation method of high-temperature resistant fiber filter paper |
| 02/06/2013 | CN102912679A Mineral cotton fiber filter paper for fuel filter and preparation method for mineral fiber filter paper |
| 02/06/2013 | CN102912678A High-strength high-temperature resistant oil filter paper and preparation method thereof |
| 02/06/2013 | CN102912677A Air-filtration paper for automobile engine filter and preparation method of air-filtration paper |
| 02/06/2013 | CN101558200B Honeycomb having a low coefficient of thermal expansion and articles made from same |
| 01/31/2013 | WO2013016116A1 Pyrophoric sheet |
| 01/31/2013 | WO2013015735A1 Flushable moist wipe or hygiene tissue and a method for making it |
| 01/31/2013 | US20130029106 High Softness, High Durability Bath Tissue Incorporating High Lignin Eucalyptus Fiber |
| 01/30/2013 | CN202705791U Fiber anti-fake element anti-fake paper three-mesh cage molding papermaking production line |
| 01/30/2013 | CN102899969A High-temperature and corrosion resistant filter paper for fuel filter and preparation method thereof |
| 01/30/2013 | CN102899968A Flame retardant air filter paper for automobile and preparation method thereof |
| 01/30/2013 | CN102899967A Efficient automobile filter paper and preparation method thereof |
| 01/30/2013 | CN102899959A Para-position aramid fiber paper used for cellular material and preparation method thereof |
| 01/29/2013 | US8361278 Food wrap base sheet with regenerated cellulose microfiber |
| 01/23/2013 | CN102888781A Manufacturing process of high-performance polyphenylene sulfide fiber paper |
| 01/23/2013 | CN102888780A Method for manufacturing high-performance dedusting felt cloth using polyphenylene sulfide fiber |
| 01/23/2013 | CN102888779A Process method of coating aramid fiber resin protective layer on surface of polyphenylene sulfide fiber |
| 01/23/2013 | CN101341289B Para-aramid pulp including meta-aramid fibrids and processes of making same, paper including para-aramid pulp, friction material and flow sealing materials |
| 01/22/2013 | US8357237 Crosslinking systems for hydroxyl polymers |
| 01/16/2013 | CN102878232A Ceramic-fiber-paper-based friction plate and production method thereof |
| 01/16/2013 | CN102877377A Preparation process for glass fiber-containing filter paper |
| 01/16/2013 | CN102877376A Acetate fiber paper |
| 01/16/2013 | CN102877370A Hollow polyester staple fiber doped filter paper for diesel filter and preparation method for filter paper |
| 01/16/2013 | CN102877355A Polylactic acid forming paper and preparation method |
| 01/16/2013 | CN101910702B Core material for vacuum insulation material, vacuum insulation material, and processes for producing these |
| 01/15/2013 | US8354004 Unruptured, ionic, swollen starch for use in papermaking |
| 01/09/2013 | CN102864679A Anti-flaming non-woven paper and preparation method thereof |
| 01/09/2013 | CN102864678A Carbon fiber powder modified paper-based friction material and preparation method of carbon fiber powder modified paper-based friction material |
| 01/09/2013 | CN102864677A Para-aramid paper and preparation method thereof |
| 01/09/2013 | CN102864676A Method for preparing para-aramid paper |
| 01/09/2013 | CN102199896B Natural silk rice paper and making method thereof |
| 01/08/2013 | CA2557400C Use of a particulate material derived from mammalian hair in the preparation of paper or paperboard products |
| 01/03/2013 | US20130005869 Cationic microfibrillated plant fibre and manufacturing method for same |
| 01/02/2013 | EP2539495A1 Materials and processes for producing antitoxic fabrics |
| 01/02/2013 | CN102268835B Preparation method for tile stock |
| 01/02/2013 | CN101952510B Papers containing fibrids derived from diamino diphenyl sulfone |
| 12/27/2012 | US20120325226 Low sidestream smoke cigarette with combustible paper |
| 12/26/2012 | CN202626749U Smokeless paper |
| 12/26/2012 | CN102844536A Mounting mat for exhaust gas treatment device |
| 12/26/2012 | CN102839560A Preparation method of polyimide fiber paper |
| 12/20/2012 | US20120321807 Method of making tough, flexible mats and tough, flexible mats |
| 12/19/2012 | CN102828438A Production method and production apparatus for lightweight glass fiber mat |
| 12/13/2012 | US20120312489 Reinforcement Sheet to Reinforce a Cementitious Board |
| 12/13/2012 | US20120312488 Method and Apparatus for Forming a Fibrous Media |
| 12/12/2012 | CN102817272A Method for continuous production of high-volume asbestos-free latex isolating sheet |
| 12/12/2012 | CN102182116B Preparation and application method of filter paper collecting biological sample |
| 12/12/2012 | CN101617082B Flexible fibrous material, pollution control device, and methods of making the same |
| 12/12/2012 | CN101331269B Self-bonding polypyridobisimidazole pulp and a process for making same |
| 12/05/2012 | EP2530200A1 Large scale manufacturing of nanostructured material |
| 12/05/2012 | CN202577051U Self-adhesive mirror coated paper |
| 12/05/2012 | CN102808352A Method for preparing glass wool core |
| 11/29/2012 | US20120302120 Short cut microfibers |
| 11/28/2012 | CN102802935A Seed crystal coating for gypsum wallboard facing |
| 11/28/2012 | CN102221059B Wet brake friction plate and manufacturing method thereof |
| 11/27/2012 | US8317978 Nitriding of carbon nanotubes |
| 11/27/2012 | US8317976 Cut resistant paper and paper articles and method for making same |
| 11/22/2012 | WO2012135203A3 Methods of making and using liquid filter media |
| 11/22/2012 | US20120295165 Single-layer lithium ion battery separator |
| 11/21/2012 | CN102791236A Pull-activated tampon applicator |
| 11/21/2012 | CN102787531A Raw paper of heat-sensitive board paper of all-in-one machine |
| 11/20/2012 | US8313832 Insulation paper with high thermal conductivity materials |
| 11/14/2012 | CN101573224B Honeycomb from paper having a high melt point thermoplastic fiber |
| 11/14/2012 | CN101381972B Low sidestream smoke cigarette with non-combustible treatment material |
| 11/08/2012 | WO2012150902A1 Method of producing a hydroentangled nonwoven material |
| 11/08/2012 | WO2012150110A1 Method for producing a porous particle composite for an electrical insulating paper |
| 11/08/2012 | US20120283363 Composite material |
| 11/07/2012 | EP2520710A1 Silk-effect paper material and corresponding manufacturing method |
| 11/07/2012 | EP2520709A1 Sand-effect paper material and corresponding manufacturing method |
| 11/07/2012 | EP2520619A1 Method for producing a porous particle compound for an electric isolation paper |
| 11/07/2012 | CN1890432B Para-aramid fibrid film |
| 11/07/2012 | CN102767112A Digitized encryption method for fiber paper making process based on dot patterns |
| 11/07/2012 | CN101605939B Fiber for wet-laying non-woven fabric |
| 11/01/2012 | US20120272686 Disk Roll and Base Material Thereof |