| Patents for D21F 11 - Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibreboard production, on paper-making machines (5,843) |
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| 03/23/1994 | EP0587781A1 Method and apparatus for making grids from fibers |
| 03/22/1994 | EP0587781A4 Method and apparatus for making grids from fibers. |
| 03/17/1994 | WO1994005596A1 Silica sols, a process for the preparation of silica sols and use of the sols |
| 03/03/1994 | WO1994004750A1 Papermaking blet having semicontinuous pattern and paper made thereon |
| 02/17/1994 | WO1994003677A1 Cellulosic fibrous structures having discrete regions with radially oriented fibers therein, apparatus therefor, and process of making |
| 01/20/1994 | WO1994001621A1 Process for positioning rigid segments into a continuous paper web |
| 01/11/1994 | US5277854 Methods and apparatus for making grids from fibers |
| 01/11/1994 | US5277761 Having a high or low basis weight with a high or low density |
| 01/06/1994 | WO1994000636A1 Limiting orifice drying of cellulosic fibrous structures, apparatus therefor, and cellulosic fibrous structures produced thereby |
| 01/05/1994 | EP0380471B1 Nonwoven fabric-like product using a bacterial cellulose binder and method for its preparation |
| 01/04/1994 | US5275700 Papermaking belt and method of making the same using a deformable casting surface |
| 01/04/1994 | US5274930 Limiting orifice drying of cellulosic fibrous structures, apparatus therefor, and cellulosic fibrous structures produced thereby |
| 12/29/1993 | EP0575601A1 Reinforced absorbent paper |
| 12/15/1993 | EP0574366A1 Method and device for intensification of the operation of a Yankee press in a soft-tissue machine |
| 12/07/1993 | CA1324909C Towel and process for preparing same |
| 12/02/1993 | DE4321268A1 Device for multilayer paper mfr. - has stock inlet system with separate adjustment for layer of sectional density and a layer of sectional fabric orientation |
| 11/25/1993 | WO1993023616A1 A tissue making apparatus |
| 11/18/1993 | DE4207233A1 Prodn. of porous filter body for exhaust gas - by saturating paper and/or cardboard material with water, stirring and drying or hardening obtd. foamed pulp |
| 11/14/1993 | WO1993023617A1 Method and apparatus for calendering paper with internally heated roll |
| 11/11/1993 | WO1993022498A1 A method of rebuilding a conventional tissue machine to a tad machine, and an improved c-wrap type twin wire former suitable for use therein |
| 11/11/1993 | WO1993022496A1 Apparatus and method of making an authenticated web formed of fibrous material |
| 11/11/1993 | CA2134199A1 Apparatus and method of making an authenticated web formed of fibrous material |
| 11/11/1993 | CA2118244A1 Method of rebuilding a conventional tissue machine to a tad machine, and an improved c-wrap type twin wire former suitable for use therein |
| 11/09/1993 | US5260171 Papermaking belt and method of making the same using a textured casting surface |
| 11/03/1993 | EP0568404A1 Method of treating papermaking fibers for making tissue |
| 10/20/1993 | CN1077369A Method for manufacturing a peat moss board having a predetermined density and the reshlting product thereof |
| 10/19/1993 | US5254398 Woven multilayer papermaking fabric having increased stability and permeability and method |
| 10/19/1993 | US5254220 Process for positioning rigid segments into a continuous paper web |
| 10/19/1993 | CA1323235C Single layer seamed papermakers fabric |
| 10/18/1993 | CA2076731A1 Method of treating papermaking fibers for throughdried tissue |
| 10/05/1993 | US5250153 Method for manufacturing a mineral wool panel |
| 09/29/1993 | CN1022258C Production method of bleached wood pulp base paper |
| 09/14/1993 | US5245025 Method and apparatus for making cellulosic fibrous structures by selectively obturated drainage and cellulosic fibrous structures produced thereby |
| 09/02/1993 | DE4224730C1 Tissue paper mfg. machine preventing moisture return - comprises shoe press for press unit(s) for drying tissue web, for min. press units |
| 08/25/1993 | EP0557157A1 Sheet provided with watermark-like markings |
| 08/24/1993 | US5238534 Dispersing fibers inunfoamed carrier medium of water and assoc associative thickener, includes anionic viscosity modifier |
| 08/04/1993 | EP0554010A1 High uniformity foam forming |
| 07/27/1993 | US5230776 Paper machine for manufacturing a soft crepe paper web |
| 07/22/1993 | WO1993014267A1 Reinforced absorbent paper |
| 07/13/1993 | US5227023 Multi-layer papers and tissues |
| 06/29/1993 | US5223093 Fibrous tape base material |
| 06/29/1993 | US5223092 Sheet of paper cover stock material with one textured surface and one smooth surface; book and wall coverings |
| 06/22/1993 | CA1319287C Method of making soft paper |
| 06/16/1993 | EP0546588A2 Method for manufacturing a peat moss board having a predetermined density and the resulting product thereof |
| 06/16/1993 | CN2136265Y Xuan paper machine |
| 06/10/1993 | WO1993011301A1 Cellulosic fibrous structures having pressure differential induced protuberances and a process of making such cellulosic fibrous structures |
| 06/02/1993 | EP0543959A1 Cardboard with high resistance to tearing and process for producing it. |
| 06/02/1993 | CN2135016Y Movable paper-supporting device |
| 05/18/1993 | US5211815 Forming fabric for use in producing a high bulk paper web |
| 05/05/1993 | CN1020490C Compounding method of fine filter paper board raw material |
| 04/28/1993 | CN1071470A Apparatus and method for making cellulosic fibrous structures |
| 04/27/1993 | CA1316958C Security paper for bank notes and the like |
| 04/21/1993 | EP0537142A1 Method and apparatus for manufacturing multilayer filter material. |
| 04/21/1993 | EP0537140A1 Method and apparatus for manufacturing multilayer filter material. |
| 04/14/1993 | EP0536320A1 Papermaking belt and method of making the same using differential light transmission techniques. |
| 04/14/1993 | EP0536281A1 Papermaking belt and method of making the same using a textured casting surface. |
| 04/14/1993 | EP0536263A1 Papermaking belt and method of making the same using a deformable casting surface. |
| 04/06/1993 | US5200035 High uniformity foam forming |
| 03/17/1993 | EP0532196A1 Novel multi-layer papers and tissues |
| 03/02/1993 | CA1313965C Multi-ply web forming apparatus and method |
| 02/27/1993 | CA2076906A1 Multi-layer papers and tissues |
| 02/24/1993 | EP0528248A1 Wet-formed composite and method of manufacturing same |
| 02/10/1993 | EP0526592A1 Paper machine for the manufacture of high bulk soft crepe paper. |
| 02/10/1993 | CN1068863A Method and apparatus for making cellulosic fibrous structures by selectively obturated drainage and cellulosic fibrous structures produced thereby |
| 01/19/1993 | US5180471 Non-nesting multi-ply tissue and method for making same |
| 01/12/1993 | US5178729 High purity stratified tissue and method of making same |
| 01/07/1993 | WO1993000475A1 Cellulosic fibrous structures having at least three regions distinguished by intensive properties, an apparatus for and a method of making such cellulosic fibrous structures |
| 01/07/1993 | WO1993000474A1 Method and apparatus for making cellulosic fibrous structures by selectively obturated drainage and cellulosic fibrous structures produced thereby |
| 01/07/1993 | EP0521415A2 Seal for a pressurized chamber against a rotating element of a machine |
| 12/22/1992 | US5173154 Heat sealable tea bag paper and process of producing same |
| 12/22/1992 | CA1311640C Liquid treatment of and liquid extraction on a paper pulp |
| 12/15/1992 | US5171782 Invert microlatices useful as flotation and drainage additives and for absorption and retention of aqueous fluids |
| 12/15/1992 | US5171404 Producing finished paper with high gloss and smoothness at high speed |
| 12/10/1992 | WO1992021499A1 Method and apparatus for making grids from fibers |
| 12/08/1992 | US5169496 Heating pulp in the presence of water to reduce the water retention value |
| 11/26/1992 | WO1992020863A1 Cardboard with high resistance to tearing and process for producing it |
| 11/26/1992 | CA2086839A1 Cardboard with high resistance to tearing and method of manufacturing same |
| 11/25/1992 | WO1992021818A1 Multilayer paper and method for the manufacturing thereof |
| 11/23/1992 | CA2043021A1 Method of making coated paper and paperboard utilizing impulse drying |
| 11/19/1992 | EP0513926A1 High tensile strength cardboard, and its method of manufacture |
| 11/19/1992 | DE4224729A1 Tissue paper mfg. machine - has stretch belt to crepe and detach paper at the tissue cylinder without cylinder wear |
| 11/17/1992 | US5164045 Paper, cellulose and eucalyptus fibers |
| 11/11/1992 | EP0512819A1 Methods for increasing sheet solids after wet pressing operations |
| 11/09/1992 | CA2068294A1 Methods for increasing sheet solids after wet pressing operations |
| 10/28/1992 | EP0511186A1 Method of producing multi-ply paper and board products exhibiting increased stiffness |
| 10/28/1992 | EP0511185A1 Method and apparatus for the production of multiply cellulosic board and product obtained thereby |
| 10/27/1992 | CA1309545C Inverted microlatex used as flottation and drainage additive, and for the absorption and retention of aqueous fluids |
| 10/27/1992 | CA1309242C Fibrous tape base material |
| 10/24/1992 | CA2066812A1 Method and apparatus for the production of multiply cellulosic board and product obtained thereby |
| 10/24/1992 | CA2066811A1 Method of producing multi-ply paper and board products exhibiting increased stiffness |
| 09/29/1992 | US5151316 Multi-layered papermaker's fabric for thru-dryer application |
| 09/15/1992 | US5147505 Sheet having outer layer of strong, coarse fibers and inner layer of compressible, fine fibers; surface smoothness, stiffness, high strength |
| 09/08/1992 | CA1307104C Water entanglement process and product |
| 09/03/1992 | WO1992014608A1 Penetration resistant articles and method of manufacture thereof |
| 09/01/1992 | CA1306894C Process for making wet-laid structures containing individualized stiffened fibers |
| 08/27/1992 | DE4105613A1 Composite filter material - uses separate suspensions held apart during water extraction until their edges bond and then all water is drawn out |
| 08/19/1992 | CN1063732A Paper making method by all stem pulp making |
| 08/11/1992 | US5137551 Extraction method and apparatus |
| 08/11/1992 | CA1306131C Agricultural paper and process for producing the same |
| 07/29/1992 | EP0496524A1 High purity stratified tissue and method of making same |