| Patents for D21H 21 - Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties (20,755) |
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| 07/13/2011 | EP2342085A1 Security fibres |
| 07/13/2011 | EP1733092B1 Use of protein hydrolysate derived from keratin-containing material in the wet-end of a papermaking process |
| 07/13/2011 | CN102124161A Method for increasing the dry strength of paper, paperboard and cardboard |
| 07/13/2011 | CN102121210A Calcium stearate aqueous dispersion solution and preparation method thereof |
| 07/13/2011 | CN102121209A Preparation method of polysulfate diphenyl ethylene fluorescent whitening agent |
| 07/13/2011 | CN102121208A Method for preparing papermaking dry strengthening agent |
| 07/13/2011 | CN102121207A Papermaking dry-strengthening agent |
| 07/13/2011 | CN102120908A Paper package surface cold-transfer type gold blocking UV oil polish and application thereof |
| 07/13/2011 | CN101649583B Cation surface sizing agent and preparation method thereof |
| 07/13/2011 | CN101586315B Novel printing paper and production method thereof |
| 07/13/2011 | CN101466897B Method for stabilizing the whiteness of fluorescent whitening agent(s)(FWA) included in surface-treatment size/coating slip for paper and of surface-treatment layers formed thereof |
| 07/13/2011 | CN101173488B Recording sheets and image forming method using the recording sheets |
| 07/12/2011 | US7976904 Curtain coating process using a high solids content composition, and coated product |
| 07/12/2011 | US7976679 Fibrous structures comprising a low surface energy additive |
| 07/12/2011 | CA2601958C Hollow organic pigment core binder coated paper and paperboard articles and methods for making the same |
| 07/12/2011 | CA2461127C Fireblocking/insulating paper |
| 07/07/2011 | WO2011080940A1 Tissue paper and method of manufacturing tissue paper |
| 07/07/2011 | WO2011080626A2 Anti-viral tissue product with visual efficacy indicator |
| 07/07/2011 | WO2011057309A3 Method for producing paper or the like |
| 07/07/2011 | CA2785089A1 Anti-viral tissue product with visual efficacy indicator |
| 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 | EP2340330A1 Stabilisation of aqueous mineral preparations by reuterin |
| 07/06/2011 | EP2340329A1 Modified fibrous product and method of producing the same |
| 07/06/2011 | CN1930527B Image-receiving sheet and manufacturing method thererof, and image-forming process and image-forming system for electrophotography |
| 07/06/2011 | CN102115998A Dry strengthening agent used for making papers and preparation method and application thereof |
| 07/06/2011 | CN102115997A Method for producing internal sizing agent for papermaking |
| 07/06/2011 | CN102115996A Addition agent used for manufacturing white paper |
| 07/06/2011 | CN102115995A Silicon oil paper dissociation agent and dissociation process thereof |
| 07/06/2011 | CN102115503A Amphoteric guar gum and preparation method and application thereof |
| 07/06/2011 | CN101858044B Preparation method of cigarette paper additive |
| 07/06/2011 | CN101698986B Method of preparating papermaking wood pulp at normal pressure by deoxidizing and leaching method |
| 07/06/2011 | CN101440152B Preparation and use of cation aqueous polyurethane emulsion |
| 07/06/2011 | CN101280538B Method of false proof with heat storing material |
| 07/06/2011 | CN101052765B Method for producing crepe paper |
| 07/05/2011 | US7972476 Method for the production of tissue paper |
| 06/30/2011 | WO2011013049A4 Coated printing substrate |
| 06/29/2011 | EP2339066A1 Crepe composition and method for manufacturing crepe paper |
| 06/29/2011 | EP1817457B1 Fibrous structures comprising a low surface energy additive |
| 06/29/2011 | CN102108653A Sheet-like anti-counterfeiting material and anti-counterfeiting paper |
| 06/29/2011 | CN102108652A Method and device for applying sheet anti-counterfeiting material to paper, and anti-counterfeiting paper |
| 06/29/2011 | CN102108109A Preparation method of fluorine-containing fabric finishing agent |
| 06/29/2011 | CN101654889B Bleached needle leaved wood napped pulp board and preparation process thereof |
| 06/29/2011 | CN101495698B The use of alkenyl succinic anhydride compounds derived from symmetrical olefins in internal sizing for paper production |
| 06/28/2011 | CA2427905C Waterless lotion and lotion-treated substrate |
| 06/23/2011 | WO2011073816A2 Personal care composition providing quietness and softness enhancement and articles using the same |
| 06/23/2011 | WO2011028498A3 Calcium-based carrier particles |
| 06/23/2011 | US20110152370 Perhydrolase providing improved peracid stability |
| 06/23/2011 | US20110152369 Perhydrolase providing improved peracid stability |
| 06/23/2011 | US20110152368 Perhydrolase providing improved peracid stability |
| 06/23/2011 | US20110150857 Perhydrolase providing improved peracid stability |
| 06/23/2011 | US20110146930 Controlling the detectability of an article and method for authenticating the article |
| 06/23/2011 | US20110146928 Papers for liquid electrophotographic printing and method for making same |
| 06/23/2011 | CA2784322A1 Paper sizing composition |
| 06/22/2011 | EP2335944A2 Micro-optic security and image presentation system |
| 06/22/2011 | EP2335943A2 Micro-optic security and image presentation system |
| 06/22/2011 | EP2334871A1 Method for manufacturing paper, cardboard and paperboard using endo-beta-1,4 glucanases as dewatering means |
| 06/22/2011 | EP2334870A1 Improved coating method |
| 06/22/2011 | DE19934436B4 Verwendung feinstkörniger anorganischer Leuchtstoffe Use finely grained inorganic phosphors |
| 06/22/2011 | DE102010051809A1 Method for producing security features on a printing- or packaging product, comprises producing a random pattern on a substrate through material deposition, where the material is applied as a fiber, which is produced by a coating nozzle |
| 06/22/2011 | DE102009059815A1 Storage material for security papers, security documents and other data carrier, comprises a substrate with two opposite head surfaces, and a pigment-free, color-shifting coating on the two opposite head surfaces of the substrate |
| 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 | CN1853015B Aqueous solutions of fluorescent whitening agents |
| 06/22/2011 | CN102102312A Water-based zinc stearate dispersion liquid and preparation method thereof |
| 06/22/2011 | CN102102311A Flexo printing water-based varnish and preparation method thereof |
| 06/22/2011 | CN102101918A Crosslinked material capable of promoting curing of alkyl ketene dimer and preparation method thereof |
| 06/22/2011 | CN101725075B Method for manufacturing cotton white paper |
| 06/22/2011 | CN101302733B Dust-free paper papermaking process |
| 06/21/2011 | US7964063 Making modified fillers for papermaking; applying a modified filler to a composition comprising fiber to form a mixture, processing the mixture whereby producing a paper |
| 06/16/2011 | WO2011070923A1 Process for producing sheet of finely fibrous cellulose, and composite obtained by impregnating the sheet of finely fibrous cellulose with resin |
| 06/16/2011 | WO2011028497A3 Calcium-based carrier particles |
| 06/16/2011 | US20110139388 Cationic starch graft copolymers and novel process for the preparation of cationic starch graft copolymers |
| 06/15/2011 | EP2332737A2 Micro-optic security and image presentation system |
| 06/15/2011 | EP2331751A2 Laser imageable paper |
| 06/15/2011 | EP2331748A1 Method of manufacturing a ply based on fibrous material, using a strip arranged in a vat |
| 06/15/2011 | EP2331341A1 Substrate marking |
| 06/15/2011 | EP2084326B1 Method for securing valuable documents |
| 06/15/2011 | EP1721869B1 Method for treating papermaking waste water and method for utilizing silica sol in papermaking |
| 06/15/2011 | CN201864998U Window safety line anti-counterfeiting paper |
| 06/15/2011 | CN102094356A Water-based calcium stearate dispersion for papermaking and preparation method thereof |
| 06/15/2011 | CN102093485A Anionic guar gum and preparation method thereof |
| 06/15/2011 | CN101698438B Method for manufacturing preservation, refrigeration and transport case for fruits and vegetables |
| 06/15/2011 | CN101538295B Truffle extract, preparation method thereof and use in preparation of cigarette paper products |
| 06/15/2011 | CN101530028B Printing seeding technique |
| 06/15/2011 | CN101514233B Amphoteric guar gum, preparation method and application thereof |
| 06/15/2011 | CN101367942B Preparation method for branched chain type amino-long chain alkyl co-modified silicone oil and its microemulsion, and uses thereof |
| 06/15/2011 | CN101343846B Long fibre nonwoven wallpaper base stock and preparation method thereof, and nonwoven wallpaper prepared by the same |
| 06/15/2011 | CN101328237B Preparation of cation surface sizing agent emulsion |
| 06/15/2011 | CN101328236B Cation surface sizing agent emulsion |
| 06/15/2011 | CN101011182B Tobacco sheet producing process using improved paper making method |
| 06/14/2011 | US7959761 Creping adhesive modifier and process for producing paper products |
| 06/14/2011 | CA2597764C Paper substrates useful in wallboard tape applications |
| 06/14/2011 | CA2590501C Process for making a fibrous structure comprising an additive |
| 06/14/2011 | CA2483794C Strip-shaped security element |
| 06/14/2011 | CA2349490C Antimicrobial composition comprising an oxidoreductase and an enhancing agent of the n-hydroxyanilide-type |
| 06/09/2011 | WO2011068457A1 A process for production of a paper or paperboard product |
| 06/09/2011 | WO2011019786A3 Application of chemical aids after a headbox of a papermaking process |
| 06/09/2011 | WO2011017532A3 Process for applying composition containing a cationic trivalent metal and debonder and fluff pulp sheet made from same |
| 06/09/2011 | US20110133442 Method for increasing adhesion between a security element and a fibrous sheet material |
| 06/09/2011 | CA2782342A1 A process for production of a paper or paperboard product |