Patents for D21H 11 - Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only (5,468) |
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08/18/1992 | US5139530 Methylolamide crosslinker, swelling with alkali |
08/06/1992 | WO1992013137A1 A kraft liner in multi-layer construction |
07/28/1992 | US5133834 Slurrying, gas injection; packaging, insulation, filtration, coating |
07/15/1992 | EP0494270A1 Water absorption bag |
07/08/1992 | EP0493726A1 Fibrous composition for making paper, paper and its use, and process for making the fibrous composition and the paper |
07/08/1992 | EP0493516A1 Fibres of increased specific surface area, a method for their manufacture, fluff pulp consisting of such fibres and the use of the fibres as absorption material. |
06/30/1992 | US5126187 Photographic base paper |
06/30/1992 | CA2058541A1 Fibrous component for paper production, paper made therewith and use thereof and method for producing fibrous component and paper |
06/16/1992 | US5122230 Process for modifying hydrophilic fibers with substantially water-insoluble inorganic substance |
06/05/1992 | WO1992010608A1 Security articles |
06/05/1992 | CA2096649A1 Security articles |
06/02/1992 | US5118609 Carrier fleece for use as a reagent carrier from which reagents can be dissolved in immunological analysis |
06/02/1992 | US5118390 Without wet pressing; dry calendering |
05/19/1992 | US5114539 Water removal by replacement with liquid hydrocarbon; pressing |
05/19/1992 | US5114537 Slurrying cellulose ester fibers in water, mixing with esters of cellulose, drainage, drying and cutting |
05/13/1992 | EP0485240A1 Coated product, and methods for providng a coated substrate or for forming a printed substrate |
05/10/1992 | CA2055167A1 Method for applying a high solids coating composition to a substrate |
05/06/1992 | EP0484101A2 Paper towels having bulky layer |
05/05/1992 | US5110412 Method of manufacture of paper or cardboard using recycled fibers treated with enzymes |
04/30/1992 | WO1992007140A1 Dry liquid depth filter sheet |
04/28/1992 | US5108546 Bonded fibrous sheet material |
04/21/1992 | CA1299048C Wrappers for specialty smoking devices |
04/14/1992 | CA1298686C Decorative laminates having 3-dimensional effect |
04/01/1992 | EP0478045A1 Soft paper of high strength and method for production thereof |
03/13/1992 | CA2051218A1 Soft paper of high strength and method for production thereof |
03/03/1992 | CA1296608C Gypsum wallboard paper having imitation manila colored coating |
02/25/1992 | US5091055 Sheet prepared by wet means and usable as a backing for a covering material |
02/18/1992 | US5089370 Light-sensitive material comprising light-sensitive layer provided on support |
02/18/1992 | US5089327 Hardwood and cotton linters treated with wet strength resin and saturated with metal salt free, water soluble, cationic quaternary ammonium polymer |
02/11/1992 | US5087324 Enhanced absorption rate and water holding capacity |
02/06/1992 | WO1992001833A1 Process and apparatus for the production of paper products |
02/05/1992 | CN1015387B Pulp-making method from soybean stalk |
02/03/1992 | CA2046499A1 Chemi-mechanical liner board |
01/29/1992 | EP0468558A2 Production of paper and paperboard |
01/28/1992 | WO1992002679A1 Water absorption bag |
01/28/1992 | CA2066694A1 Water absorption bag |
01/22/1992 | EP0466760A1 Cellulosic product, process for the production thereof and uses thereof |
01/14/1992 | US5080758 Chemi-mechanical liner board |
12/24/1991 | US5074962 Dehydrating mixture of thermoplastic and natural fibers to for m paper sheet, writing, attaching superposed sheet by heating under pressure |
12/19/1991 | DE4037299C1 Heat sensitive recording material - has recording layer contg. colourless dye precursor and acid cpd., applied on recycled paper having specific fibre content |
12/04/1991 | EP0459519A1 Roll fill material and a filled calender roll covered with said material |
12/02/1991 | CA2043777A1 Roll fill material and a filled calender roll covered with said material |
11/27/1991 | EP0307443B1 Wrapping material, method of manufacture and method of use |
11/21/1991 | EP0457235A1 Process for modifying hydrophilic fibers with substantially water-insoluble inorganic substance |
11/14/1991 | WO1991017243A1 A cellulase preparation comprising an endoglucanase enzyme |
10/29/1991 | US5061345 Method of making a multiple ply paper product containing an outer ply of reclaimed white office waste |
10/16/1991 | CN1014333B Filler compositions and their use in manfacturing fibrous sheet materials |
10/08/1991 | US5055161 Multiple ply paper product containing an outer ply of reclaimed white office waste |
09/25/1991 | EP0448344A2 Multiple ply paperboard product and method of making the same |
09/24/1991 | CA1289399C Method for the manufacture of coloured egg packages, apparatus for carrying such a method into effect and egg packages manufactured by this method |
09/24/1991 | CA1289306C Method for stabilizing the brightness of bleached lignin containing cellulose pulp |
09/21/1991 | CA2038638A1 Multiple ply paperboard product and method of making the same |
09/17/1991 | US5049235 Poly(methyl vinyl ether-co-maleate) and polyol modified cellulostic fiber |
09/11/1991 | EP0445509A1 Multipurpose domestic paper |
08/21/1991 | EP0442746A1 Calcined kaolin clay filler pigment for paper |
08/15/1991 | CA2035117A1 Calcined kaolin clay filler pigment for enhancing opacity and printing properties of newsprint and mechanical papers |
08/14/1991 | WO1991012367A1 Ctmp-process |
08/07/1991 | EP0440472A1 High bulking resilient fibers through cross linking of wood pulp fibers with polycarboxylic acids |
08/02/1991 | CA2035402A1 High bulking resilient fibers through crosslinking of wood pulp fibers with polycarboxylic acids |
07/31/1991 | CN1053464A Compounding method of fine filter paper board raw material |
07/30/1991 | US5035772 Chemically and blocking phenolic hydroxyl groups |
07/23/1991 | CA1286464C Non-woven fibre product |
07/17/1991 | CN1053011A Absorbent structure containing individualized, polycarboxylic acid crosslinked fibers |
07/16/1991 | WO1991010774A1 Environmental pulp, method for its manufacture and use of pulp |
07/16/1991 | US5032227 Production of paper or paperboard |
07/16/1991 | CA2072585A1 Environmental pulp, method for its manufacture and use of pulp |
07/10/1991 | EP0436133A1 The use of neutral paper as a package material for a photosensitive material |
07/10/1991 | CN1052912A 纸张涂层 Paper Coatings |
07/10/1991 | CN1052875A Individualized, polycarboxylic crosslinked fibers |
07/09/1991 | CA1285713C Filler compositions and their use in manufacturing fibrous sheet materials |
06/29/1991 | WO1991010010A1 Cellulose fiber modified with poly(methyl vinyl ether-co-maleate) and polyol |
06/29/1991 | WO1991009916A1 Fibers and pulps for papermaking based on chemical combination of poly(acrylate-co-itaconate), polyol and cellulosic fiber |
06/19/1991 | EP0433258A1 Procedure for the production of pulp |
06/19/1991 | CN1052344A Process for preparing individualized, polycarboxylic acid crosslinked fibers |
06/13/1991 | WO1991008341A1 Paper coating |
06/13/1991 | CA2072641A1 Paper coating |
06/13/1991 | CA2031972A1 Procedure for the production of pulp |
05/29/1991 | EP0429112A2 Absorbent structure containing individualized, polycarboxylic acid crosslinked fibers |
05/21/1991 | US5017268 Filler compositions and their use in papermaking |
05/15/1991 | EP0427317A2 Process for preparing individualized, polycarboxylic acid crosslinked fibers |
05/15/1991 | EP0427316A2 Individualized, polycarboxylic acid crosslinked fibers |
05/09/1991 | WO1991007542A1 Hydrolysis of resin in pulp |
05/09/1991 | CA2072993A1 Hydrolysis of resin in pulp |
04/30/1991 | US5011741 Addition of cooked or hydrolyzed corn starch improves tear strength of short fibers of newspapers for reuse as high strenth requirement |
04/30/1991 | US5011534 Degritting, spray drying, pulverizing, roasting and repulverizing |
04/23/1991 | CA1283258C High strength, cellulosic-gel-containing kraft paper and process for making the same |
04/18/1991 | WO1991005108A1 Fibres of increased specific surface area, a method for their manufacture, fluff pulp consisting of such fibres and the use of the fibres as absorption material |
04/18/1991 | WO1991005106A1 Aluminium-salt impregnated fibres, a method for their manufacture, fluff consisting of such fibres, and the use of the fibres as absorption material |
03/19/1991 | US5000822 Process for the preparation of imitation leather from natural hemp and the product thereof |
03/13/1991 | EP0416278A2 Creped cellulose tissue paper |
02/20/1991 | CN1049390A Making method of painting paper |
02/07/1991 | WO1990004066A3 Hydraulically entangled wet laid base sheets for wipers |
01/22/1991 | US4987022 Non-inflammable light-weighing tough board |
01/22/1991 | US4986882 Absorbent paper comprising polymer-modified fibrous pulps and wet-laying process for the production thereof |
01/16/1991 | EP0408128A2 Absorbent paper comprising polymer-modified fibrous pulps and wet-laying process for the production thereof |
01/08/1991 | US4983256 Method for the manufacture of a paper pulp for currency use |
12/27/1990 | EP0403849A2 High opacity paper containing expanded fiber and mineral pigment |
12/19/1990 | EP0403068A2 Improvements in and/or relating to a process for preparing a hydrolysed lignocellulosic material |
12/19/1990 | EP0402866A2 Organic microfibrilated material for filter |
12/19/1990 | CN1047899A Pulp-making method from soybean stalk |