| 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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| 08/10/1993 | US5234548 Adding bentonite after shear stage |
| 08/10/1993 | US5234547 Creping aid |
| 08/10/1993 | CA1321046C Method for dewatering paper |
| 08/05/1993 | WO1993015271A1 Improved process for production of paper |
| 08/05/1993 | DE4202703A1 Increasing vol. and porosity of paper - with alkoxylated unsatd. fatty acid ester(s) |
| 08/04/1993 | EP0553575A1 Novel cationic polyamines useful as drainage aids and stabilizers for rosin-based sizing agents |
| 08/04/1993 | EP0553421A1 Resin solution for impregnating paper |
| 08/04/1993 | EP0553339A1 Photographic paper with low oxygen permeability |
| 08/03/1993 | US5232678 Slaking, carbonating and neutralizing using regant |
| 08/03/1993 | US5232553 Fines retention in papermaking with amine functional polymers |
| 07/28/1993 | EP0552702A1 Fines retention in papermaking with amine functional polymers |
| 07/28/1993 | EP0552630A1 Fluor-containing copolymers and aqueous dispersions prepared from them |
| 07/25/1993 | CA2087461A1 Fines retention in papermaking with amine functional polymers |
| 07/22/1993 | WO1993014264A1 Method and apparatus for crosslinking individualized cellulose fibers |
| 07/22/1993 | WO1993014263A1 Process for producing paper |
| 07/22/1993 | WO1993014261A1 Method for crosslinking individualized cellulose fibres |
| 07/22/1993 | CA2128015A1 Method and apparatus for crosslinking individualized cellulose fibers |
| 07/22/1993 | CA2127992A1 Process for producing paper |
| 07/21/1993 | EP0551817A1 Vinyl polymer dispersions |
| 07/21/1993 | EP0463012B1 Cationic urea-formaldehyde condensates, a process for their manufacture and their use in the paper industry |
| 07/21/1993 | CN1074498A Singleor multi-layer recyclable material, with barrier properties against humidity and gases and a process for its manufacture |
| 07/15/1993 | CA2087082A1 Vinyl polymer dispersions |
| 07/14/1993 | EP0550490A1 Cellulosic pulp bonded by polyhydroxy acid resins |
| 07/13/1993 | US5227481 Cationic polysaccharides and reagents for their preparation |
| 07/13/1993 | US5227025 Filler for paper, improved brightness, opacity, pigment scattering |
| 07/13/1993 | US5227024 Low density material containing a vegetable filler |
| 07/09/1993 | CA2086720A1 Papermaking process with improved retention and maintained formation |
| 07/08/1993 | WO1993013266A1 Production of paper and paperboard |
| 07/08/1993 | WO1993013265A1 Method for controlling pitch |
| 07/08/1993 | CA2126347A1 Method for controlling pitch |
| 07/08/1993 | CA2117350A1 Production of paper and paperboard |
| 07/07/1993 | EP0550355A1 Synthetic papers from thermostable fibres, pulp, binder and process of preparation thereof |
| 07/07/1993 | EP0550295A1 Titanium dioxide particles, their use as opacifying pigments for papers and paper laminates |
| 07/07/1993 | EP0550230A1 Felt conditioning |
| 07/07/1993 | EP0550107A1 Long-chain ketene dimers |
| 07/07/1993 | EP0549968A1 Surface-active compounds based on modified oxalkylated novolaks, their preparation and their application |
| 07/07/1993 | EP0549925A1 Improved absorbance and permanent wet-strength in tissue and toweling paper |
| 07/07/1993 | EP0543810A4 Isocyanate modified cellulose products and method for their manufacture |
| 07/06/1993 | US5225527 Modified colophony resins, a process for their preparation, their use and paper-sizing agents containing colophony resins of this type |
| 07/06/1993 | US5225115 Bromide intercalated hydrotalcite for use as a flame retardant, smoke suppressant additive |
| 07/06/1993 | US5225047 Less fiber breakage |
| 07/06/1993 | US5224993 Alkenylsuccinic anhydride and organic carboxylic acid with polyalkylenepolyamine condensation product |
| 06/30/1993 | EP0548960A1 Enhancement of paper dry strength by anionic and cationic guar combination |
| 06/30/1993 | EP0548959A1 A creping aid based on polyamides containing methyl bis(3-Aminopropylamine) |
| 06/30/1993 | EP0548902A1 Wet laid bonded fibrous web |
| 06/30/1993 | EP0548835A1 Emulsified alkenylsuccinic acid sizing agent |
| 06/30/1993 | EP0548696A1 Process for the production of fiber-reinforced polypropylene resin sheets |
| 06/30/1993 | EP0548284A1 Packaging thermoplastics from lactic acid |
| 06/30/1993 | EP0548144A1 Process of manufacture of a single layer thick dry felt through a wet process and single layer thick dry felt obtained thereby |
| 06/30/1993 | EP0548086A1 Method and dispersants for production of high solids aqueous calcium carbonate suspensions. |
| 06/29/1993 | US5223592 Process for polymerization of itaconic acid |
| 06/29/1993 | US5223235 Reacting clay with alkalisilicate; hydrothermal |
| 06/29/1993 | US5223098 Clay compositions and their use in paper making |
| 06/29/1993 | US5223096 Containing quaternary ammonium compound, polyhydroxy plasticizer and resin |
| 06/29/1993 | US5223095 High tear strength, high tensile strength paper |
| 06/29/1993 | US5223090 Method for fiber loading a chemical compound |
| 06/29/1993 | CA1319491C Process for preparation of an acid resistant coating on filler particles |
| 06/22/1993 | US5221557 V-groovable gravure printable paper |
| 06/22/1993 | US5221436 Papermaking |
| 06/22/1993 | US5221435 Papermaking process |
| 06/16/1993 | EP0546956A2 Expanded and recyclable vegetable material, process for its manufacture and its use in the fields of fastening, protection, packaging, coating and board materials |
| 06/16/1993 | EP0546917A1 Decorative or safety paper containing planchets |
| 06/16/1993 | CN1073228A Medicine paper and its making method |
| 06/15/1993 | US5219912 Emulsified alkenylsuccinic acid sizing agent |
| 06/15/1993 | US5219660 Composite of a mineral nucleus uniformly coated wtih particles of a paper pigment |
| 06/14/1993 | CA2057669A1 Coated webs |
| 06/10/1993 | CA2084851A1 Absorbance and permanent wet-strength in tissue and toweling paper |
| 06/09/1993 | EP0407466B1 High performance paper filler and method of producing same |
| 06/08/1993 | US5217576 Containing quaternary ammonium compound, polyhydroxy plasticizer, water soluble temporary resin |
| 06/08/1993 | CA1318982C Aqueous suspensions of calcium-containing fillers |
| 06/05/1993 | CA2084378A1 Resin solution for the impregnation of paper webs |
| 06/02/1993 | EP0543918A1 High performance pigments of low oil absorption: preparation, properties and end-use applications |
| 06/02/1993 | EP0543810A1 Isocyanate modified cellulose products and method for their manufacture |
| 06/01/1993 | US5216050 Blends of polyactic acid |
| 06/01/1993 | US5215734 Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof |
| 06/01/1993 | US5215627 Method of making a water laid fibrous web containing one or more fine powders |
| 06/01/1993 | US5215626 Wet-laying cellulose fibers to form webs, drying, creping and applying polysiloxane material and surfactant to hot creped webs; balanced softness against tensile strength |
| 05/27/1993 | WO1993010305A1 A method for reducing the level of interference chemicals in the water circulation of wood-based fibre suspension processes |
| 05/27/1993 | WO1993010193A1 Paper coating kaolin pigments their preparation and use |
| 05/27/1993 | WO1993009671A1 A method to combat microbes |
| 05/26/1993 | EP0543764A1 Single or multi-layer recyclable material, with barrier properties against humidity and gases and a process for its manufacture |
| 05/26/1993 | EP0543532A1 Alkene stabilizers for 3-isothiazolone compounds |
| 05/26/1993 | EP0543363A1 Fluorinated aldoketene dimer and their use as combination oil and water resistant sizes for cellulosic materials |
| 05/26/1993 | EP0542980A1 Readily biodegradable anti-foaming agent for aqueous systems. |
| 05/26/1993 | EP0542841A1 New synergistic composition of 2-(2-bromo-2-nitroethenyl) furan and 2-bromo-2-nitropropane-1,3-diol and uses thereof. |
| 05/26/1993 | EP0418343B1 Process for manufacturing paper, paperboard and cardboard in the presence of copolymerizates containing n-vinyl formamide units |
| 05/26/1993 | CN1020914C Process for preparation of heat stabilizing water base kaolins pigment slurry and its usage |
| 05/26/1993 | CN1020845C Improvements relating to smoking articles |
| 05/25/1993 | US5213883 Decor sheet containing fibrets |
| 05/25/1993 | US5213661 Treatment with oxidized white liquor, recycling waste paper |
| 05/22/1993 | CA2079941A1 Alkene stabilizers for 3-isothiazolone compounds |
| 05/19/1993 | EP0542598A1 Fluorinated copolymers and their use for coating and impregnation of various substrates |
| 05/19/1993 | EP0542215A1 Aqueous dispersion of lamellar silicate |
| 05/19/1993 | EP0542159A1 Process for treating an aqueous pigment suspension with an aqueous binder agent |
| 05/19/1993 | EP0542125A1 Process for separating a binder agent dissolved in water |
| 05/19/1993 | EP0541888A1 Noncombustible sheet, noncombustible laminated sheet, noncombustible honey-comb structural material, noncombustible board, noncombustible molded product, and manufacturing method thereof |
| 05/19/1993 | EP0500726B1 Watermarked plastic support |
| 05/13/1993 | WO1993009288A1 Soft absorbent tissue paper with high temporary wet strength |
| 05/13/1993 | WO1993009287A1 Soft absorbent tissue paper with high permanent wet strength |
| 05/13/1993 | DE4227132A1 Resin mixt. contg. phenolic and epoxy] resins |