| Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432) |
|---|
| 10/08/1997 | EP0799349A1 Redegistable cellulose-containing materials |
| 10/08/1997 | EP0799307A1 An enzyme preparation with cellulytic activity |
| 10/08/1997 | EP0799304A1 Bacterial protein with xylanase activity |
| 10/07/1997 | US5674664 Method and regenerating image support from used image-bearing support |
| 10/07/1997 | US5674358 Repulping wet strength paper and paperboard with persulfate and a carbonate buffer |
| 10/07/1997 | CA2165347C 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 |
| 10/07/1997 | CA2095150C Treatment of absorbent sanitary paper products |
| 10/02/1997 | WO1997036050A1 Repulpable moisture resistant coated articles and methods of making and repulping the same |
| 10/02/1997 | WO1997036041A1 Multicomponent system for changing, reducing or bleaching lignin, lignin-containing materials or similar substances as well as processes for its application |
| 10/02/1997 | WO1997036039A1 A multicomponent system for changing, degrading or bleaching lignin, lignin-containing materials or similar substances and processes for its use |
| 10/02/1997 | DE19612194A1 Mehrkomponentensystem zum Verändern, Abbau oder Bleichen von Lignin, ligninhaltigen Materialien oder ähnlichen Stoffen sowie Verfahren zu seiner Anwendung Multi-component system for modifying, degrading or bleaching lignin, lignin-containing materials or similar substances and to processes for its application, |
| 10/02/1997 | DE19612193A1 Mehrkomponentensystem zum Verändern, Abbau oder Bleichen von Lignin, ligninhaltigen Materialien oder ähnlichen Stoffen sowie Verfahren zu seiner Anwendung Multi-component system for modifying, degrading or bleaching lignin, lignin-containing materials or similar substances and to processes for its application, |
| 10/01/1997 | EP0797701A1 Novel surfactant compositions and the use thereof in paper deinking |
| 10/01/1997 | EP0532533B1 Methods for producing an enzyme preparation by cultivating transformed trichoderma |
| 09/30/1997 | US5672244 Using ethylene oxide-propylene oxide adduct of oil or fat having specified cloud point |
| 09/30/1997 | US5672223 Method of recycling image-deposited recording material, and recording material for use with the recycling method |
| 09/30/1997 | CA2038815C Device for separation of air from flotation slush |
| 09/17/1997 | CN1159841A Production of soft paper products from old newspaper |
| 09/16/1997 | US5667634 Catalyzed hydrolysis of resin esters, triglycerides |
| 09/12/1997 | WO1997033036A1 Magnetic deinking of waste papers |
| 09/12/1997 | CA2248131A1 Magnetic deinking of waste papers |
| 09/10/1997 | EP0794282A1 De-inking composition |
| 09/10/1997 | EP0793748A1 Method of removing printing inks from printed wastepaper |
| 09/10/1997 | EP0793747A1 Methods for pulping and deinking |
| 09/09/1997 | US5665204 Method for de-inking printed waste paper by the washing process using an alkoxylated nonionic surfactant |
| 09/04/1997 | WO1997032077A1 Process for sanitizing post-consumer paper fibers and product formed therefrom |
| 09/04/1997 | WO1997032076A1 System of chemicals and method for deinking of waste paper |
| 09/04/1997 | WO1997032075A1 Process for the production of lignin and microcellulose |
| 09/04/1997 | WO1997032013A1 An enzyme with galactanase activity |
| 09/04/1997 | CA2247949A1 Process for the production of lignin and microcellulose |
| 09/04/1997 | CA2247281A1 System of chemicals and method for deinking of waste paper |
| 09/04/1997 | CA2246728A1 An enzyme with galactanase activity |
| 09/02/1997 | US5662773 Hydrolysis, cigarettes |
| 08/27/1997 | EP0791683A1 Method for the production of cellulose pulp |
| 08/27/1997 | EP0791103A1 Method of papermaking having zero liquid discharge |
| 08/27/1997 | EP0791100A1 Recycling of fibre products |
| 08/26/1997 | US5661021 Mannanase enzymes, genes coding for them and a method for isolating the genes, as well as a process for bleaching of lignocellulosic pulp |
| 08/26/1997 | US5660684 Deinking electrostatic waste paper |
| 08/26/1997 | US5660683 Process for deinking waste paper using a mixture of thiol ethoxylate and alcohol alkoxylates |
| 08/26/1997 | CA2040641C Deinking agent for recycling printed waste papers |
| 08/21/1997 | WO1997030206A1 Method for recovering fiber from printed wastepaper |
| 08/21/1997 | CA2246507A1 Method for recovering fiber from printed wastepaper |
| 08/20/1997 | CN1157636A Purified polyporus laccases and nucleic acids encoding same |
| 08/19/1997 | US5658765 Xylanase process for producing the same method for the treatment of pulp and production of xylo-oligosaccharides |
| 08/19/1997 | US5658427 Ethoxylated soya glycerides with glycols as deinking collector modifiers |
| 08/19/1997 | US5658426 Disintegrating wastepaper with alkaline solution to produce an aqueous slurry of pulp fibers in presence of alkoxylated lanolin derivatives, foaming, removing the foam together with adhered ink particles |
| 08/14/1997 | WO1997029237A1 Process for increasing the charge on a lignocellulosic material, product obtainable by the process, and use of the product in the preparation of a lignocellulose-based product |
| 08/14/1997 | WO1997022751A3 Process for removing inks from waste paper |
| 08/13/1997 | EP0788568A1 Use of monocomponent cellulase for removing inks, coatings, and toners from printed paper |
| 08/13/1997 | EP0788541A1 An enzyme and enzyme preparation with endoglucanase activity |
| 08/13/1997 | CN1157008A Purified myceliophthora laccase and nucleic acid encoding same |
| 08/07/1997 | WO1997028306A1 Process for the production of cellulose paper pulps by biodelignification of vegetable masses |
| 08/07/1997 | WO1997028257A1 Bacterial polyphenol oxidase from bacillus for use in oxidation of colored substances |
| 08/07/1997 | WO1997022750A3 Office wastepaper deinking process |
| 08/07/1997 | DE19603491A1 Production of fibrous cellulose@ material free from other plant components |
| 08/06/1997 | EP0627028B1 Oxygen delignification of waste cellulosic paper products |
| 08/05/1997 | US5654039 Substrate coated with primer then top coat |
| 08/05/1997 | CA1339231C Polyfunctional polymers as deinking agents |
| 07/31/1997 | WO1997027363A1 Production of sanitary paper |
| 07/31/1997 | WO1997027306A1 Production and secretion of proteins of bacterial origin in filamentous fungi |
| 07/31/1997 | WO1997027293A1 An enzyme with xylanase activity |
| 07/31/1997 | WO1997027291A1 An enzyme with xylanase activity |
| 07/29/1997 | US5651861 Process for removing inks from waste paper |
| 07/24/1997 | WO1997026408A1 Method for marking paper and apparatus for detected marked paper |
| 07/24/1997 | WO1997026405A1 Alkoxylate surfactant compositions and the use thereof in paper deinking |
| 07/24/1997 | WO1997026403A1 Process of producing raw material for synthetic and other fibres from herbaceous plants and products so obtained |
| 07/24/1997 | WO1997026401A1 Process for producing pulp from lignocellulosic plants, and pulp obtained |
| 07/24/1997 | CA2242232A1 Process for producing pulp from lignocellulosic plants, and pulp obtained |
| 07/22/1997 | US5650111 Process of making cellulose products from straw |
| 07/22/1997 | US5650044 Paper-pulp deinking method and equipment to implement this method |
| 07/22/1997 | CA2105412C Repulping paper and paperboard |
| 07/08/1997 | US5645686 Process for bleaching a pulp in a sequence including an enzyme stage |
| 07/01/1997 | US5643409 Method for deinking wastepaper |
| 06/26/1997 | WO1997022751A2 Process for removing inks from waste paper |
| 06/26/1997 | WO1997022750A2 Office wastepaper deinking process |
| 06/26/1997 | WO1997022692A1 Novel xylanases, genes encoding them, and uses thereof |
| 06/26/1997 | WO1997022691A1 Novel xylanases and uses thereof |
| 06/26/1997 | CA2240959A1 Process for removing inks from waste paper |
| 06/25/1997 | EP0780511A2 Method of producing pulp for paper manufacture |
| 06/25/1997 | EP0780510A2 A process for the production of cellulose |
| 06/21/1997 | CA2184458A1 Deinking agent for regenerating waste paper and method for deinking waste paper |
| 06/19/1997 | WO1997021734A1 Methods and apparatus for the extraction of phytochemicals from fibrous plants |
| 06/18/1997 | EP0778908A1 Thin mat washing of cellulosic pulp |
| 06/18/1997 | EP0606398A4 Improved deinking method using ink agglomeration. |
| 06/17/1997 | US5639346 Magnetic removal of "stickies" from waste papers |
| 06/12/1997 | WO1997020920A1 Novel xylanase composition and method for production thereof |
| 06/11/1997 | EP0777575A1 Recyclable and compostable coated paper stocks |
| 06/11/1997 | EP0754257A4 Method of enhancing biopulping efficacy |
| 06/10/1997 | US5637191 Treatment of cellulosic material and compositions for use in this |
| 06/05/1997 | WO1997020102A1 Method and apparatus for continuously preparing cellulose pulp |
| 06/04/1997 | EP0777011A2 Process for deinking recycled paper pulp |
| 06/03/1997 | US5635279 Repulpable, water repellant paperboard |
| 06/03/1997 | US5635023 Process for removing toners from photocopy paper using hydroxamate collectors |
| 06/03/1997 | US5635005 Method of recycling support material for image-bearing support |
| 06/03/1997 | US5634969 Organoclay compositions |
| 06/03/1997 | CA2099679C Process for de-inking recycled paper pulp |
| 06/03/1997 | CA2098661C Method of bleaching paper pulp |
| 05/29/1997 | WO1997019221A1 Method of obtaining cellulose fibre material from a plant substrate containing calcium pectinate |
| 05/29/1997 | WO1997019198A1 A soft, bulky absorbent paper containing chemithermomechanical pulp |
| 05/29/1997 | WO1997015711A3 Production of soft paper products from high and low coarseness fibers |