| Patents for D21C 9 - After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters (10,265) |
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| 07/31/1996 | EP0723614A1 A process for production of linerboard and corrugated medium |
| 07/31/1996 | EP0723611A1 Organic solvent recovery |
| 07/31/1996 | EP0723475A1 Method and device for mixing of a fluid into a pulp-suspension |
| 07/31/1996 | EP0545958B1 A process for hydrolyzing hemicellulose by enzymes produced by trichoderma reesei |
| 07/31/1996 | CN2232050Y Digesting and washing dual-purpose machine for pulp |
| 07/31/1996 | CA2168290A1 Method and borate-magnesium salt compositions for enhancing peroxide bleaching |
| 07/31/1996 | CA2168289A1 Bleaching compositions and processes employing sulfamates and polyaminocarboxylic acids |
| 07/30/1996 | US5540816 Chlorine-free, circulation, evaporation |
| 07/30/1996 | US5540814 Method for removing stickies from wastepaper using modified cationic kaolin |
| 07/30/1996 | CA2028977C Individualized, polycarboxylic acid crosslinked fibers |
| 07/25/1996 | WO1996022418A1 Method of treating a fibrous material with a chemical reagent and an apparatus for carrying out the said method |
| 07/25/1996 | WO1996022417A1 Use of ethyleneamines in the removal of lignin |
| 07/25/1996 | CA2210002A1 Method of treating a fibrous material with a chemical reagent and an apparatus for carrying out the said method |
| 07/24/1996 | EP0722491A1 An enzyme preparation comprising a modified enzyme |
| 07/23/1996 | US5538632 Multiple filter dynamic washer |
| 07/23/1996 | CA2067295C Process for bleaching of lignocellulose-containing material |
| 07/18/1996 | WO1996021618A1 Process for treating kaolin clays for pitch control and the treated clays |
| 07/17/1996 | EP0722010A1 Process for bleaching a micronized vegetable powder |
| 07/17/1996 | EP0721526A1 Method and apparatus for dewatering of a fibre suspension |
| 07/17/1996 | EP0721525A1 DESCALING BY REGULATING pH AND SALT CONCENTRATION |
| 07/17/1996 | CN1126784A Straw pulp performance improving technology using xylanase |
| 07/17/1996 | CN1032322C Method for making artificial fibre pulp and xylitol using corn stalk |
| 07/16/1996 | US5536942 Method and arrangement for determining fibre properties by near-infrared-spectroscopy |
| 07/16/1996 | US5536369 Fluff pulp and method for the preparation of fluff pulp |
| 07/16/1996 | US5536368 Papermaking |
| 07/16/1996 | US5536366 Digester system for implementing low dissolved solids profiling |
| 07/16/1996 | US5536363 Methods for inhibiting the deposition of organic contaminants in pulp and papermaking systems using a composition comprising of polyvinyl alcohol and gelatin |
| 07/11/1996 | DE19500483A1 Prepn of dry, redispersible micro-denominated cellulose |
| 07/11/1996 | DE19500249A1 Making microdenominated cellulose |
| 07/10/1996 | EP0720676A1 Improved method for bleaching lignocellulosic pulp |
| 07/10/1996 | EP0720675A1 Chlorine-free bleaching of chemical pulp involving a two stage treatment with chelating agent |
| 07/10/1996 | EP0720674A1 A device for distributing liquid, especially washing liquid for washing paper pulp |
| 07/10/1996 | EP0720649A1 Novel xylanase, process for producing the same, method for the treatment of pulp, and production of xylo-oligosaccharides |
| 07/10/1996 | EP0466752B1 A process for bleaching a fiber pulp with a chemical solution |
| 07/10/1996 | CN1126490A Enhancement of laccase reactions |
| 07/10/1996 | CN1126261A Method for modifying and dewatering alkali paper-making black liquor |
| 07/10/1996 | CN1126260A Sulfonated cellulose and method of preparation |
| 07/09/1996 | US5534157 Preventing calcium sulfite scale, flue gas scrubber systems |
| 07/09/1996 | US5534115 Process for preserving the mechanical strength properties of chemical paper pulps |
| 07/09/1996 | US5534057 Papermaking |
| 07/04/1996 | WO1996020308A1 Bleaching of filled paper |
| 07/04/1996 | CA2209014A1 Bleaching of filled paper |
| 07/03/1996 | EP0719337A1 PURIFIED pH NEUTRAL RHIZOCTONIA LACCASES AND NUCLEIC ACIDS ENCODING SAME |
| 06/27/1996 | WO1996019570A1 An enzyme preparation with cellulytic activity |
| 06/27/1996 | WO1996019557A2 Use of hydroxyalkylaminocarboxylic acids as complexing agents |
| 06/27/1996 | DE4445931A1 Verwendung von Hydroxyalkylaminocarbonsäuren als Komplexbildner Use of Hydroxyalkylaminocarbonsäuren as complexing |
| 06/26/1996 | EP0717800A1 Medium consistency ozone brightening of high consistency ozone bleached pulp |
| 06/26/1996 | CN1125430A The use of dialdehydes and acetals thereof for inhibiting decomposition of peroxide in the production and the treatment of recycled fiber pulp and other fiber pulp |
| 06/25/1996 | US5529663 Delignification of lignocellulosic materials with peroxymonophosphoric acid |
| 06/25/1996 | US5529662 Method of bleaching cellulosic pulps with ozone and a protective amount of an N-alkylated urea |
| 06/25/1996 | US5529660 Splitting ozone charge; intermediate washing or bleaching stage |
| 06/20/1996 | WO1996018770A2 Multicomponent system for modifying, decomposing or bleaching lignin, lignin-containing materials or similar substances and method of using this system |
| 06/20/1996 | WO1996018495A1 Dewatering apparatus |
| 06/20/1996 | CA2205461A1 Dewatering apparatus |
| 06/19/1996 | EP0717143A1 Multicomponents system for modifying decomposing or bleaching of lignin or materials containing it or similar components and the way to use it |
| 06/19/1996 | EP0716721A1 Method for reducing thermal and light-induced brightness reversion in lignin-containing pulps |
| 06/19/1996 | EP0716719A1 Minimum adverse environmental pulp mill with feed to chlorate manufacture |
| 06/19/1996 | EP0716702A1 Thermostable xylanases |
| 06/19/1996 | CN1124988A Process in association with pulp bleaching |
| 06/18/1996 | US5527431 Silicon polyelectrolytes for pitch deposit control |
| 06/18/1996 | CA2079000C Method for the use of enzymes in processing and bleaching of paper pulp, and apparatus for use thereof |
| 06/17/1996 | CA2164394A1 Multi-component system for modifying, degrading or bleaching lignin, lignin-containing materials or similar substances and processes for its use |
| 06/13/1996 | WO1996017997A1 Method for pressurized peroxide bleaching |
| 06/13/1996 | WO1996017996A1 Washing of pulp in a fractionating washing system |
| 06/13/1996 | WO1996017565A1 Apparatus and method of delivery of gas-supersaturated liquids |
| 06/13/1996 | CA2207410A1 Apparatus and method of delivery of gas-supersaturated liquids |
| 06/13/1996 | CA2205912A1 Method for pressurized peroxide bleaching |
| 06/12/1996 | EP0716182A2 Chlorine-free organosolv pulps |
| 06/12/1996 | EP0715666A1 Process for repulping wet strength paper |
| 06/12/1996 | EP0715645A1 Use of phenolic complexing agents |
| 06/11/1996 | US5525195 High strength |
| 06/11/1996 | US5525193 Improving brightness of recycled paper |
| 06/05/1996 | EP0605565B1 A method in ozone bleaching of pulp |
| 06/05/1996 | CN1123858A Preparation of hot washing thick liquid for plant fiber |
| 06/04/1996 | US5522967 Pre-oxidizing cellulose fiber with an oxidizing agent before sulfonation |
| 06/03/1996 | CA2163852A1 Utilization of oxidized white liquor |
| 05/30/1996 | WO1996016224A1 Processes for reducing contamination of cellulosic liquors |
| 05/28/1996 | US5520783 Apparatus for bleaching high consistency pulp with ozone |
| 05/24/1996 | CA2163389A1 Chlorine-free organosolv pulps |
| 05/23/1996 | WO1996015318A1 Method to regenerate gas mixture in ozone-bleaching process |
| 05/23/1996 | WO1996015317A1 Process for gas phase chlorine dioxide delignification |
| 05/23/1996 | WO1996015316A1 Reactor for treating a pulp with a gas comprising a degassing outlet member |
| 05/23/1996 | DE19538347A1 Compression of paper-making fibre suspension from used paper |
| 05/23/1996 | CA2205182A1 Method to regenerate gas mixture in ozone-bleaching process |
| 05/22/1996 | EP0712957A2 Endless multilayer fabric for densifying paper materials and production process thereof |
| 05/22/1996 | EP0712453A1 Method for ozone bleaching paper pulp |
| 05/22/1996 | EP0650541B1 Process for bleaching pulp in conjunction with adsorption of metals |
| 05/22/1996 | EP0633961B1 Method and device for treating pulp |
| 05/21/1996 | US5517834 Method and device for treatment of a fibrous material-fluid mixture |
| 05/17/1996 | WO1996014464A1 Odour treatment of malodorous condensates with ozone-containing residual gas |
| 05/17/1996 | WO1996014463A1 Apparatus for dewatering or washing papermaking stock |
| 05/17/1996 | WO1996014462A1 Apparatus for fluffing pulp |
| 05/17/1996 | CA2202494A1 Evaporation of bleach filtrate in the gas cooling system of a plant for gasifying black liquor |
| 05/15/1996 | EP0711733A1 Polyether polyamino methylene phosphonates for high pH scale control |
| 05/15/1996 | EP0611436B1 Heating arrangement |
| 05/15/1996 | EP0576470B1 A method for reducing pitch trouble in mechanical pulp |
| 05/15/1996 | EP0571513B1 Method of microencapsulation of hyperbaric gas |
| 05/09/1996 | WO1996013634A1 Process for delignification and bleaching of chemical wood pulps |
| 05/09/1996 | WO1996013633A1 Use of monocomponent cellulase for removing inks, coatings, and toners from printed paper |
| 05/08/1996 | EP0710214A1 The use of dialdehydes and acetals thereof for inhibiting decomposition of peroxide in the production and the treatment of recycled fiber pulp and other fiber pulp |