| 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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| 01/08/1998 | WO1998000216A1 Aqueous silicone defoaming agent |
| 01/08/1998 | CA2259622A1 Process for securing products against forgery with a machine-readable security feature |
| 01/07/1998 | EP0815322A1 Security paper with conductive fibres detectable by microwave radiation and method for making same |
| 01/07/1998 | EP0815321A1 Security paper |
| 01/07/1998 | EP0815209A1 Novel endoglucanases |
| 01/07/1998 | EP0626190B1 Sheet type and sheet-filter type methyl bromide removing material, and methyl bromide removing method using the same materials |
| 01/06/1998 | US5705164 Tissue paper with lotion of polyol polyester emollient, immobilization on surfaces |
| 01/02/1998 | DE19625824A1 Verfahren zur Herstellung von Papierprodukten und darin verwendbare Leimungsmittelzusammensetzung Process for the preparation of paper products and sizing composition usable therein |
| 12/31/1997 | WO1997049865A1 Asa sizing emulsions containing low and high molecular weight cationic polymers |
| 12/31/1997 | WO1997049686A1 Novel polymerizable acyl imidazolidinone monomers |
| 12/31/1997 | CN1168939A Process for producing explosive paper roll |
| 12/31/1997 | CN1168863A Use of synthetic, bainite-rich iron raw materials for preparing iron oxide pigment |
| 12/30/1997 | US5703103 Thiazolylpyrazolinones and their use for protecting technical materials |
| 12/30/1997 | US5702644 Pitch control composition |
| 12/30/1997 | US5702605 Slime hydrolase producing bacterium and process for producing slime hydrolase |
| 12/29/1997 | EP0814108A1 Silyl-linked polyamidoamines and their preparation |
| 12/24/1997 | WO1997048854A1 Tissue paper containing selectively disposed chemical additive |
| 12/24/1997 | WO1997048730A1 Methods for processing bacterial cellulose |
| 12/24/1997 | CN1168638A Diaper having a lotioned topsheet |
| 12/24/1997 | CN1168637A Biofilm avoidance and removal process and composition |
| 12/23/1997 | US5700917 Aldehyde cationic derivatives of galactose containing polysaccharides used as paper strength additives |
| 12/23/1997 | US5700893 Comprising a n-vinylamides and a cationic quaternary acrylic ester ammonium or pyridinium compound monomers; papermaking |
| 12/23/1997 | US5700516 Repulpable hot melt polymer/wax compositions for fibrous products |
| 12/23/1997 | US5700354 High strength, tensile strength |
| 12/23/1997 | US5700353 Paper strengthened with solubilized collagen and method |
| 12/23/1997 | US5700352 Process for including a fine particulate filler into tissue paper using an anionic polyelectrolyte |
| 12/23/1997 | US5700351 Antifoams based on oil-in-water emulsions for the paper industry |
| 12/18/1997 | WO1997047809A1 Chemically enhanced multi-density paper structure and method for making same |
| 12/17/1997 | EP0812956A1 High performance paper and process for producing the same |
| 12/17/1997 | CN1168163A Method for increasing hydrophobicity of printing papers and hydrophobe composition for method |
| 12/16/1997 | US5698688 Esterification; oxidation; wet strength |
| 12/16/1997 | US5698627 An aqueous solution of a copolymer of an acrylamide, a vinyl compound having a cationic group and another unsaturated compound prepared in the presence of a polyhydroxy compound; freeness; retention; high strength |
| 12/16/1997 | US5698295 Repulpable, moisture resistant corrugated board |
| 12/16/1997 | US5698229 Mixture of a inorganic silver compound and a benzotriazole discoloration inhibitor |
| 12/16/1997 | US5698078 Crosslinked copolymer of a monomer having a carboxylic acid group, a monomer having a hydroxyl group that can form an ester bond upon reaction with a carboxylic acid group and a monomer having an alkali metal salt carboxylate group |
| 12/16/1997 | US5698076 Softness |
| 12/16/1997 | US5697649 Articles employing a magnetic security feature |
| 12/11/1997 | WO1997046758A1 Cement composition as mineral charge for paper |
| 12/11/1997 | WO1997046757A1 Composition, use of a cellulose ether as thickening agent and production of a coated cellulose-based two-dimensional product |
| 12/11/1997 | WO1997046622A1 Use of natural colorants or synthetic colorants identical to natural ones for the temporary marking or colouring of materials |
| 12/11/1997 | WO1997046541A2 USE OF TRIAZINE-BASED UVAs FOR USE AS QUENCHERS IN PAPER-MAKING PROCESSES |
| 12/11/1997 | WO1997046218A2 Concentrated liquid formulations comprising a microbicidally active ingredient |
| 12/11/1997 | WO1997046205A2 Anti-viral, anhydrous, and mild skin lotions for application to tissue paper products |
| 12/11/1997 | DE19722294A1 Decorative paper for production of decorative laminates |
| 12/11/1997 | CA2252575A1 Use of triazine-based uvas for use as quenchers in paper-making processes |
| 12/10/1997 | EP0811829A2 Method and apparatus for controlling the spectral reflectance of a material |
| 12/10/1997 | EP0811091A1 Aqueous alkyl diketene dispersions and the use thereof as glue for paper |
| 12/10/1997 | EP0811017A1 Cellulose particles, method for producing them and their use |
| 12/10/1997 | CN2270072Y Paper dyeing machine |
| 12/10/1997 | CN1036660C Organopolysiloxane-containing compositions which are self-dispersing in water, and the use |
| 12/09/1997 | US5696174 Stable and water-resistant aqueous foam composition |
| 12/09/1997 | US5695871 Reduction of openness of material |
| 12/09/1997 | US5695733 Clustered precipitated calcium carbonate particles |
| 12/09/1997 | US5695652 Methods for inhibiting the production of slime in aqueous systems |
| 12/09/1997 | US5695609 Adding filler to aqueous fiber suspension, adding cationic long-chain polyacrylamide, shearing, adding a (polymeric) aluminum salt to form aluminum hydroxy anionic particles in situ, forming into sheets and dewatering |
| 12/09/1997 | US5695608 Moisture-proof paper sheet |
| 12/09/1997 | US5695607 Soft-single ply tissue having very low sidedness |
| 12/04/1997 | WO1997045590A1 Sizing composition |
| 12/04/1997 | WO1997045186A1 Novel aromatic and aliphatic sulfonates and properties and applications thereof |
| 12/04/1997 | DE19621966A1 Verwendung von natürlichen oder naturidentischen synthetischen Farbstoffen zur vorübergehenden Markierung oder Einfärbung von festen und flüssigen Materialien Use of natural or nature-identical synthetic dyes for temporary marking or coloring of solid and liquid materials |
| 12/04/1997 | DE19621300A1 Preparation of water-soluble, amino group-containing condensates and addition reaction products |
| 12/04/1997 | CA2256361A1 Sizing composition |
| 12/04/1997 | CA2228430A1 Novel aromatic and aliphatic sulfonates and properties and applications thereof |
| 12/03/1997 | EP0810323A2 Paper sizing with latex dispersions of copolymers of hydrophobic monomers and low molecular weight styrene-maleic anhydride polymers |
| 12/03/1997 | EP0810322A2 Process for preparing retention and dewatering agents on the basis of polyaminoethers |
| 12/03/1997 | EP0809734A1 Method for enhancing the bulk softness of tissue paper and product therefrom |
| 12/03/1997 | EP0809686A1 Stable and water-resistance aqueous foam composition |
| 12/02/1997 | US5693747 Reacting perfluorinated alkylene or oxygen, sulfur, nitrogen interrupted alkylene substituted epoxide with inorganic or organic sulfur compounds or elemental sulfur in presence of water and organic solvent |
| 12/02/1997 | US5693135 Interference pigments containing reduced titanium oxide layers for preparing forgeryproof documents and packaging |
| 11/30/1997 | CA2206393A1 Process for the preparation of retention and dewatering agents based on polyamino-ethers |
| 11/27/1997 | WO1997044526A1 Process for creping tissue paper |
| 11/27/1997 | WO1997044519A1 Compositions and methods for inhibiting deposits in pulp and papermaking systems |
| 11/27/1997 | WO1997044195A1 Paper treatment |
| 11/27/1997 | WO1997044116A1 Use of deep-bed filters for treating cooling lubricants |
| 11/27/1997 | WO1997036052A3 Paper products having wet strength from aldehyde-functionalized cellulosic fibers and polymers |
| 11/27/1997 | DE19620084A1 Verwendung von Tiefenfiltern zur Behandlung von Kühlschmiermitteln Use of depth filters for the treatment of cooling lubricants |
| 11/26/1997 | EP0808837A1 Stilbene compounds as fluorescent whitening agents, as UV absorbers and their use to increase the sun protection factor of textile material |
| 11/26/1997 | EP0808389A1 Soft treated tissue |
| 11/26/1997 | EP0808388A1 Soft treated uncreped throughdried tissue |
| 11/26/1997 | EP0808157A1 Medicated tissue paper product |
| 11/25/1997 | US5690790 Temporary wet strength paper |
| 11/25/1997 | US5690787 Polymer reinforced paper having improved cross-direction tear |
| 11/25/1997 | CA2016046C Toner adhesion-enhancing coating for security documents |
| 11/19/1997 | EP0807194A2 Soft tissue paper containing an oil and a polyhydroxy compound |
| 11/18/1997 | US5688759 Sulfated polyol fatty acid ester |
| 11/18/1997 | US5688587 Antifalsification paper having a thread- or band-shaped security element and a method for producing it |
| 11/18/1997 | US5688482 Prepared by heating an acidified aqueous alkali metal silicate |
| 11/14/1997 | CA2205277A1 Combination of talc-bentonite for deposition control in papermaking processes |
| 11/13/1997 | WO1997042229A1 POLYMERS CONTAINING β-HYDROXY ALKYL VINYL AMINE UNITS, PROCESS FOR THEIR PRODUCTION AND THEIR USE |
| 11/13/1997 | DE19617983A1 ß-Hydroxyalkylvinylamin-Einheiten enthaltende Polymerisate, Verfahren zu ihrer Herstellung und ihre Verwendung containing ß-hydroxyalkylvinylamine units as polymers, processes for their preparation and their use |
| 11/12/1997 | EP0806522A1 Dispersions for paper impregnation comprising water glas and/or dextrine |
| 11/12/1997 | EP0806521A2 Method of making an ultra soft, high basis weight tissue |
| 11/12/1997 | EP0806520A1 Method of making an ultra soft, high basis weight tissue and product produced thereby |
| 11/12/1997 | EP0704007B1 Non-polluting process for increasing the wet strength of paper |
| 11/11/1997 | US5686262 Recycle process for the production of low-cost soluble collagen |
| 11/11/1997 | US5686168 Method of embossing a sheet having one or more plies, and embossed paper sheet |
| 11/11/1997 | US5686023 C7 -C12 diol and diol alkoxylates as coupling agents for surfactant formulations |
| 11/11/1997 | US5685815 Process of using paper containing alkaline sizing agents with improved conversion capability |
| 11/09/1997 | CA2204453A1 Method of rendering wood pulp keratotic and a method of making an ultra soft, high basis weight tissue and product produced thereby |
| 11/06/1997 | WO1997041303A1 Fire retardant treatment |