| 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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| 03/09/2004 | US6702923 Wet strength agent and method for production thereof |
| 03/09/2004 | CA2193722C Aqueous fatty alcohol dispersions |
| 03/06/2004 | CA2439354A1 Coated paperboards and paperboard containers having improved tactile and bulk insulation properties |
| 03/04/2004 | WO2004018769A1 Coated paper comprising a coating with three different pigments |
| 03/04/2004 | WO2004018524A1 High molecular weight cationic polymers obtained by post-polymerisation crosslinking reaction |
| 03/04/2004 | WO2004018402A1 Aldehyde phenol condensates |
| 03/04/2004 | WO2004018110A1 Liquid spray unit, method for spraying liquid using it, and chemical |
| 03/04/2004 | WO2003104557A3 Antibacterial packaging material including hop acids |
| 03/04/2004 | US20040044124 Rosin-fatty acid vinylic polymer compositions |
| 03/04/2004 | US20040043212 Thermal control nonwoven material |
| 03/04/2004 | US20040040683 Paper and paperboard production process and corresponding novel retention and drainage aids, and papers and paperboards thus obtained |
| 03/04/2004 | US20040040682 Pigment compositions and process of shading |
| 03/04/2004 | US20040040681 Bulky flexible paper and process for producing the same |
| 03/04/2004 | DE19945580B4 Gestrichenes, optisch aufgehelltes Druckpapier und Verfahren zu dessen Herstellung Coated, optically brightened printing paper and process for its preparation |
| 03/04/2004 | CA2494272A1 Liquid spray unit, method of spraying liquid using it, and chemical |
| 03/03/2004 | EP1392927A2 Uncreped tissue paper having a high wet:dry tensile strength ratio |
| 03/03/2004 | EP1392925A1 A composition for the fluorescent whitening of paper |
| 03/03/2004 | EP1392915A1 Rapid triglyceride assay for use in pulp pitch control |
| 03/03/2004 | EP1255893B1 Fluorescent agents |
| 03/03/2004 | EP1196134A4 Water soluble polymer composition and method of use |
| 03/03/2004 | CN1479825A Printable sheet comprising holographic patterns and production method of same |
| 03/03/2004 | CN1479762A Method for producing water-in-water polymer displersions |
| 03/02/2004 | US6699363 Modified starch and process therefor |
| 03/02/2004 | US6699360 Embossing on Yankee, air, or both sides; supplying to headbox cellulosic papermaking fiber of hardwood, softwood, recycled fibers, and/or cationic aldehyde temporary wet strength agents; cationic nitrogenous debonder |
| 03/02/2004 | US6699359 Halogen free surface treatment with such as chitosan, plolyvinylamine, vinyl alcohol-vinyl amine polymer and/or polyaminoamide and zirconium(iv) compound |
| 03/02/2004 | CA2205941C Method for the improvement of yield and freeness in the paper-making process and the waste water treating process, and sulfonated phenol-formaldehyde resin for paper-making used in said method |
| 02/26/2004 | WO2004016851A1 Method and device for producing fraud-proof paper and fraud-proof paper |
| 02/26/2004 | WO2004016697A2 Kaolin pigment products |
| 02/26/2004 | WO2004016442A2 Document secured using an infrared-opaque material |
| 02/26/2004 | WO2002072944A3 Fruit tray pigmented with carbon black |
| 02/26/2004 | US20040035538 Use of hydrophobically modified polyaminamides with polyethylene glycol esters in paper products |
| 02/26/2004 | US20040034939 Pigment derived from formaldehyde; for improving whiteness of paper or textiles, or for incorporation in detergent compositions |
| 02/26/2004 | DE10238432A1 Paper for use e.g. in tissues, is made up of layers of cellulose fibers and contains cellulose granules (6) which form additional capillaries |
| 02/26/2004 | DE10237913A1 Production of cardboard for packaging liquids by treating pulp with a sizing agent and a retention aid comprises adding a cationic polymer to the pulp |
| 02/26/2004 | DE10237912A1 Bulk sizing of paper or cardboard using an anionic dispersion of sizing agents and retention aids comprises adding a cationic polymer to the pulp |
| 02/26/2004 | DE10237911A1 Use of polymers comprising vinylamine units as promoters for bulk sizing of paper with alkyl diketenes |
| 02/25/2004 | EP1390582A1 Substrate treatment |
| 02/25/2004 | EP1095186B1 Surface modified fillers for sizing paper |
| 02/25/2004 | CN1478166A Lotioned fibrous web |
| 02/25/2004 | CN1478165A Soft tissue paper having softening composition containing extensional viscosity modifier deposited thereon |
| 02/25/2004 | CN1477263A Disinfection, sterilization and infection-resisting paper and its production method |
| 02/25/2004 | CN1139691C Process for producing paper |
| 02/24/2004 | US6695950 Using selected oxidation conditions to generate aldehyde using a nitroxyl radical mediated oxidation with a limited amount of oxidant |
| 02/19/2004 | WO2004015200A1 Method for the production of paper, paperboard, and cardboard |
| 02/19/2004 | WO2002032855A8 Mono- and polyamides of perfluoroalkyl-substituted unsaturated acids |
| 02/19/2004 | US20040034156 Addition polymerization of water soluble allyl polymers, in the presence of free radical initiators, then crosslinking by heating and stirring; chain extension |
| 02/19/2004 | US20040034147 Hollow polymer particle, process for producing the same, paper coating composition using the same, coated paper and process for producing the same |
| 02/19/2004 | US20040034145 Monomers, which are dispersed in an aqueous phase containing water-soluble polymeric dispersant, are subjected to radical polymerization, following the addition of a water-soluble salt, after polymerisation, a water-soluble acid is added |
| 02/19/2004 | US20040033343 Mold-resistant corrugated carboard for void-forming structures and process |
| 02/19/2004 | US20040033260 Comprise both chelated and unchelated zinc ions, wherein the quantity of chelated zinc ions is at least 50% |
| 02/19/2004 | US20040031579 Granular polysaccharide having enhanced surface charge |
| 02/19/2004 | US20040031415 Activated silicon-containing-aluminum complex explosion-proof flame retardant and method for flame-proofing |
| 02/19/2004 | US20040031414 Activated silicon-containing-aluminum complex flame retardant and method for flame-proofing |
| 02/18/2004 | EP1389646A1 Process for making paper |
| 02/18/2004 | EP1282741B1 Method of adsorption of cationic and anionic polymers on the surface of particles and paper or nonwoven product containing such particles |
| 02/18/2004 | EP1242685B1 Manufacture of paper and paperboard |
| 02/18/2004 | EP1234007B1 Oligomeric methine dyes |
| 02/18/2004 | EP1141480B1 Improvements in making paper |
| 02/18/2004 | EP1099024B1 Antifalsification paper |
| 02/18/2004 | CN1476505A Mfg. of paper and paperboard |
| 02/18/2004 | CN1476324A Oil-based lotions for paper products |
| 02/18/2004 | CN1138893C Valuable document |
| 02/18/2004 | CN1138892C Method of mfg. counterfeit prevention paper |
| 02/17/2004 | US6692819 Method of transparentizing a cellulose substrate |
| 02/17/2004 | US6692560 Sizing composition |
| 02/17/2004 | US6691715 For use in hair, skin and nail conditioning; papermaking; subterranean well drilling and well cementing operations |
| 02/13/2004 | CA2433947A1 A novel paper having low lint and/or anti-static properties |
| 02/12/2004 | WO2004013407A2 Use of flavylium compound derivatives to be fixed to solid substrates, fixing compositions used, and resulting substrates |
| 02/12/2004 | WO2004013233A1 Anionic monoazo dyes |
| 02/12/2004 | WO2004013207A1 Polymethylene amine, method for the production and use thereof |
| 02/12/2004 | WO2004012843A1 Defoaming agent and/or deaerator for aqueous media tending to foam |
| 02/12/2004 | WO2003091953A3 Transparent security substrate with magnetic particles |
| 02/12/2004 | WO2003018638A9 Method for modification of starch, starch and its use |
| 02/12/2004 | US20040026054 Guiding web from wire section to pressing section; dehydration; spreading starch layer overcoating surfaces; sizing |
| 02/12/2004 | US20040026053 Novel fluorinated copolymers, their use for coating and impregnating substrates, and resulting treated substrates |
| 02/12/2004 | DE10233524A1 Mittel zur Erhöhung der Aufnahmefähigkeit von Papiermasse für Stärke Means to increase the capacity of paper pulp for strength |
| 02/12/2004 | DE10232786A1 Security document, valuable document or bank note on security paper, has security marking sensed by touch, in form of laser-generated relief structure |
| 02/12/2004 | DE10231435A1 Nachweisverfahren zur Prüfung der Originalität eines Objekts Detection methods for checking the originality of an object |
| 02/12/2004 | CA2493627A1 Anionic monoazo dyes |
| 02/11/2004 | EP1388522A2 Colloidal borosilicates and their use in the production of paper |
| 02/11/2004 | EP1287201B1 A process for controlling microbial growth |
| 02/11/2004 | CN1474894A Cellulosic product having high compression recovery |
| 02/11/2004 | CN1137914C Polymer dispersion and method to produce same |
| 02/10/2004 | US6689250 Crosslinkable creping adhesive formulations |
| 02/10/2004 | CA2017211C Methods for tagging and tracing materials with nucleic acids |
| 02/05/2004 | WO2004011240A1 Cardboard sheet and process for producing the same |
| 02/05/2004 | WO2003085199A3 White pitch deposit treatment |
| 02/05/2004 | WO2002062915A8 Paper products containing triboluminescent materials |
| 02/05/2004 | US20040023008 Security sheet comprising a transparent or translucent layer |
| 02/05/2004 | US20040023004 Water-soluble, principal component and a pigment fraction formed by mixing together a mineral material comprising talc or other phyllosilicate particles and a binder |
| 02/05/2004 | US20040020615 Use of an addition polymer or copolymer containing N-vinylformamide in (co)polymerized form for activating optical brighteners in paper coating slips |
| 02/05/2004 | DE10233930A1 Polymethylenamin, Verfahren zu seiner Herstellung und seine Verwendung Polymethylenamin, process for its preparation and its use |
| 02/05/2004 | DE10233701A1 Entschäumer und/oder Entlüfter für wässrige, zur Schaumbildung neigende Medien Defoamer and / or deaerator for waterborne, tend to form foam media |
| 02/04/2004 | CN1473153A Hetero-anellated ortho-aminophenols |
| 02/04/2004 | CN1473138A Fiber cement composition materials using cellulose fibers loaded with inorganic and/or organic substances |
| 02/04/2004 | CN1472389A Anti-fogery paper |
| 02/04/2004 | CN1472388A Antibacterial banknotes and preparing method thereof |
| 02/04/2004 | CN1137309C Method of preparing security paper having embedded security feature |
| 02/04/2004 | CN1137107C Process for preparing stilbene compounds |
| 02/03/2004 | US6686330 Low-foaming; good biodegradability; can be used in polymer, antifoaming, biocidal, coating, fertilizer, pharmaceutical, and drilling fluid compositions. |