| Patents for D21H 17 - Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution (19,322) |
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| 12/29/1997 | EP0669993B1 Process for making a fibrous structure containing immobilized particulate matter |
| 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 |
| 12/23/1997 | 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 | 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 | WO1997047810A1 Method of making coated or impregnated paper or paperboard |
| 12/18/1997 | WO1997047809A1 Chemically enhanced multi-density paper structure and method for making same |
| 12/18/1997 | WO1997047808A1 Substitutes for modified starch in paper manufacture |
| 12/18/1997 | WO1997047807A1 Substitutes for modified starch in paper manufacture |
| 12/18/1997 | WO1997047806A1 Substitutes for modified starch in paper manufacture |
| 12/18/1997 | WO1997047702A1 Lignin-based vapor barrier formulations |
| 12/18/1997 | CA2256744A1 Method of making coated or impregnated paper or paperboard |
| 12/18/1997 | CA2226746A1 Lignin-based vapor barrier formulations |
| 12/17/1997 | EP0812956A1 High performance paper and process for producing the same |
| 12/17/1997 | EP0553339B1 Photographic paper with low oxygen permeability |
| 12/17/1997 | CN1168163A Method for increasing hydrophobicity of printing papers and hydrophobe composition for method |
| 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 | US5698303 Controlling the porosity and permeation of a web |
| 12/16/1997 | US5698265 Calcium phosphate compound-cellulose fiber composite material and method for production thereof |
| 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 |
| 12/11/1997 | 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 | WO1997046591A1 Cross-linked cationic starches and their use in papermaking |
| 12/11/1997 | DE19722294A1 Decorative paper for production of decorative laminates |
| 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 |
| 12/09/1997 | US5695862 Wood fiber impregnated with polyvinyl alcohol; increased image stability |
| 12/09/1997 | US5695829 Modified polymeric material having improved wettability |
| 12/09/1997 | US5695733 Clustered precipitated calcium carbonate particles |
| 12/09/1997 | US5695730 Process for preparing silicic acid hydrate |
| 12/09/1997 | US5695610 Aqueous pigment slurries and their use in the production of filler-containing paper |
| 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 | US5695607 Soft-single ply tissue having very low sidedness |
| 12/04/1997 | WO1997045591A1 Method of applying a powder coating to a length of a lignocellulosic material |
| 12/04/1997 | WO1997045590A1 Sizing composition |
| 12/04/1997 | WO1997045186A1 Novel aromatic and aliphatic sulfonates and properties and applications thereof |
| 12/04/1997 | DE19621300A1 Preparation of water-soluble, amino group-containing condensates and addition reaction products |
| 12/04/1997 | CA2256679A1 Method of applying a powder coating to a length of a lignocellulosic material |
| 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 | EP0809529A1 Filter material for preparing a beverage |
| 12/03/1997 | EP0809527A1 Dispersions with optionally esterified (poly)glycerine polyglycol ethers |
| 12/03/1997 | EP0683831B1 A method to separate cellulose based fibers from each other in water |
| 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 | US5693256 Consists of water insoluble liquids selected from mineral oil, vegetable oil and fatty acid ester; hydrophobic filler selected from silica, titania, ground quartz, silicon resin, waxes, ethylenealkylamide; polysiloxane and polysilicate |
| 12/02/1997 | CA2005982C Process for the prevention of scale formation in wood pulp production |
| 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 | WO1997036052A3 Paper products having wet strength from aldehyde-functionalized cellulosic fibers and polymers |
| 11/27/1997 | DE19618554A1 Formteil bestehend aus Strohfasern, Papierfasern und einem Bindemittel sowie Verfahren zur Herstellung eines derartigen Formteils Molded part made of straw fibers, paper fibers and a binder as well as methods for producing such a molded part |
| 11/26/1997 | CN1166189A Biodergradable and hydrolyzable paper material |
| 11/25/1997 | US5690897 Removing iron by chelation with edta or other chelating agent |
| 11/25/1997 | US5690790 Temporary wet strength paper |
| 11/25/1997 | US5690787 Polymer reinforced paper having improved cross-direction tear |
| 11/20/1997 | WO1997043485A1 A moulding consisting of straw fibres, paper fibres and a bonding agent and process for the production of said moulding |
| 11/19/1997 | EP0807703A1 Nonwoven fabric cloth substrate for printed wiring boards, and prepreg using the same |
| 11/19/1997 | EP0807194A2 Soft tissue paper containing an oil and a polyhydroxy compound |
| 11/19/1997 | CN1165115A Synthetic chalcoalumite compounds and process for producing thereof |
| 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 | EP0805898A1 Paper containing thermally-inhibited starches |
| 11/12/1997 | EP0704007B1 Non-polluting process for increasing the wet strength of paper |
| 11/12/1997 | CN1164596A Process for manufacturing filter medium, medium manufactured thereby, and filters using said medium |
| 11/11/1997 | US5686262 Recycle process for the production of low-cost soluble collagen |
| 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 | WO1997041302A1 Rosin-sized paper composition and method of making |
| 11/06/1997 | WO1997041300A1 Process for surface treatment of material webs, in particular paper and cardboard webs, using adhesive agents |
| 11/06/1997 | WO1997041186A1 Modified rosin emulsion |
| 11/06/1997 | WO1997041167A1 Improvements in and relating to composite articles |
| 11/06/1997 | WO1997036054A3 Temporary wet strength additives |
| 11/06/1997 | WO1997036053A3 Temporary wet strength paper |
| 11/06/1997 | WO1997036051A3 Temporary wet strength polymers from oxidized reaction product of polyhydroxy polymer and 1,2-disubstituted carboxylic alkene |
| 11/06/1997 | DE19616733A1 Verfahren zur thermisch-mechanischen Oberflächenbehandlung von flächenförmigen Materialbahnen, insbesondere aus Papier und Karton, und Mittel zur Durchführung des Verfahrens Process for thermomechanical surface treatment of sheet-like material webs, in particular paper and cardboard, and means for carrying out the method |
| 11/06/1997 | CA2253191A1 Process for the thermomechanical surface treatment of flat webs of material, particularly those made of paper and carton, by using adhesive agents |
| 11/05/1997 | EP0805234A2 Improved papermaking process |
| 11/05/1997 | EP0804643A2 Water containing aromatic polyamide pulp and process for producing the same |
| 11/05/1997 | EP0804429A1 Alkenyl substituted cyclic carboxyl acid anhydrides and their application in hydrophobic paper sizing |
| 11/05/1997 | EP0804392A1 Method for producing low abrasion kaolin pigment |
| 11/05/1997 | EP0804382A1 Novel temperature-activated polysilicic acids and their use in paper production processes |
| 11/05/1997 | EP0717802A4 A process for making a paper based product employing a polymeric latex binder |
| 11/05/1997 | EP0713547A4 A process for making a paper based product containing a binder |
| 10/30/1997 | WO1997040105A1 Method for preparing hollow silica particles |
| 10/30/1997 | WO1997040087A1 Process for preparing water-soluble, polyamino polycarboxylic acids |