Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432) |
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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 |
06/16/1996 | CA2165251A1 Deinking composition and process |
06/13/1996 | WO1996017789A1 Recyclable wax-coated containers |
06/12/1996 | EP0715666A1 Process for repulping wet strength paper |
06/11/1996 | US5525193 Improving brightness of recycled paper |
06/11/1996 | CA2012281C Method for producing pulps by treatment using a microorganism, and its related enzymes |
06/06/1996 | WO1996017123A1 Method of removing printing inks from printed wastepaper |
06/06/1996 | WO1996016743A1 Flotation apparatus and deinking method |
06/06/1996 | CA2206006A1 A process for removing printing inks from printed wastepaper |
06/05/1996 | EP0715018A1 Improvements in devices for injecting air in a paperstock for deinking |
06/03/1996 | CA2163852A1 Utilization of oxidized white liquor |
05/30/1996 | WO1996016223A1 Deinking processes and novel polymers for use in these |
05/30/1996 | WO1996016222A1 Methods for pulping and deinking |
05/30/1996 | DE4442056A1 Verfahren zur Entfernung von Druckfarben aus bedrucktem Altpapier A process for removing printing inks from printed wastepaper |
05/30/1996 | CA2203676A1 Methods for pulping and deinking |
05/28/1996 | US5520780 Method and apparatus for de-inking newsprint using counterflow extractor |
05/23/1996 | WO1996015315A1 Recycling of fibre products |
05/23/1996 | WO1996015314A1 Recycling of fibre products |
05/23/1996 | WO1996014902A1 Method for removing chemical preservatives from wood |
05/23/1996 | CA2204633A1 Recycling of fibre products |
05/22/1996 | EP0712452A1 Improved deinking method using ink agglomeration |
05/21/1996 | US5518581 Deinking agent for regeneration of waste paper |
05/21/1996 | US5518580 Method of processing printed waste matter |
05/15/1996 | EP0711368A1 Recycle processing of baled waste material |
05/15/1996 | EP0576470B1 A method for reducing pitch trouble in mechanical pulp |
05/09/1996 | WO1996013633A1 Use of monocomponent cellulase for removing inks, coatings, and toners from printed paper |
05/09/1996 | WO1996013574A1 Bacterial protein with xylanase activity |
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 |
05/08/1996 | EP0688372A4 System and method for recycling materials |
05/08/1996 | CN1122151A Improvements in or relating to deinking of paper |
05/01/1996 | CN1121734A A method of hydrolysing cholesterol esters by using a pseudomonas fragi cholesterolesterase |
04/30/1996 | US5512134 Disintegration; flotation; washing; deinking with alkoxylates of blown oils |
04/25/1996 | WO1996012062A1 A method and apparatus for bleaching secondary fibres |
04/24/1996 | EP0708199A1 Deinking composition |
04/24/1996 | EP0707637A1 Enhancement of laccase reactions |
04/24/1996 | EP0707617A1 Anion-based aqueous printing inks with improved de-inking characteristics |
04/23/1996 | CA2056605C Method of producing pulp |
04/18/1996 | WO1996011262A1 An enzyme and enzyme preparation with endoglucanase activity |
04/16/1996 | US5507914 Mixing in a cellulases in vertical tank, then mixing in water a water soluble cationic and anionic polymers |
04/10/1996 | EP0705327A1 Multicomponent bleaching system |
04/09/1996 | US5505817 Reacting paper with reaction product of castor oil with alkoxylated fatty acid, alcohol, amine, amide, phosphate ester, polyhydroxy alcohol, or sorbitan; removing detached ink particles |
04/09/1996 | US5505772 Incubating wood fragments in a mixture containing a phenol oxidizing enzyme thereby activating the middle lamella lignin; production of fiberboard without chemical disintegration and without addition of binders |
04/03/1996 | EP0704003A1 Deinking formulation for flexographic inks |
04/03/1996 | EP0704002A1 A pulp production process |
04/02/1996 | US5503710 Treating screened fine pulp with sodium bisulfite or hydrogen peroxide; separately refining fine and coarse pulps and laminating plies; papermaking |
04/02/1996 | US5503709 Separation in presence of enzymes; peroxygen delignification |
03/28/1996 | WO1996009433A1 Paper pulp washing method |
03/27/1996 | EP0702734A1 Improved method of removing hydrophilic ink |
03/26/1996 | US5501770 Enzymes in combination with polyelectrolytes for enhancing the freeness of clarified sludge in papermaking |
03/21/1996 | WO1996008598A1 Deinking composition and method for deinking waste paper |
03/21/1996 | CA2199745A1 Deinking composition and method for deinking waste paper |
03/19/1996 | US5500086 Method for producing pulp from green algae |
03/19/1996 | US5500082 Deinking of xerographic printed wastepaper using long chain alcohol |
03/17/1996 | CA2139884A1 Use of polymers in the recycled fiber washing/deinking process |
03/13/1996 | EP0701018A1 Process for the recycling of silicone coated paper |
03/13/1996 | EP0558729B1 Method of processing printed waste-paper |
03/12/1996 | US5498534 Method of removing color from wood pulp using xylanase from streptomyces roseiscleroticus NRRL B-11019 |
03/07/1996 | WO1996006978A1 Method of papermaking having zero liquid discharge |
03/07/1996 | WO1996006975A1 Thin mat washing of cellulosic pulp |
03/07/1996 | CA2208269A1 Method of papermaking having zero liquid discharge |
03/07/1996 | CA2208265A1 Thin mat washing of cellulosic pulp |
03/05/1996 | US5496439 Recycle processing of baled waste material |
02/28/1996 | EP0698681A1 Process for depithing pith containing plants, in particular sorghum |
02/28/1996 | EP0698667A1 Xylanase, microorganisms for its production, DNA molecules, process of preparation and use thereof |
02/28/1996 | EP0698141A1 Method of monitoring the deposition of "stickies" from paper-pulp suspensions |
02/24/1996 | CA2133550A1 Method and apparatus for separating wood fibres from other fibres in fibremat residues |
02/22/1996 | WO1996005362A1 Method of enhancing biopulping efficacy |
02/22/1996 | WO1996005361A1 Flotation deinking of wastepaper using a froth controlling agent |
02/22/1996 | WO1996005054A1 Recyclable and compostable coated paper stocks |
02/22/1996 | DE4429277A1 Regulating flotation cell for de=inking waste paper |
02/21/1996 | EP0697043A1 Improvements in or relating to deinking of paper |
02/14/1996 | EP0696663A1 Enzymes in combination with polyelectrolytes for enhancing the freeness of clarified sludge in papermaking |
02/14/1996 | EP0573497B1 Recycling waste cellulosic material |
02/14/1996 | EP0487557B1 Improvement of pulp bleaching |
02/13/1996 | US5491121 Can be recycled with white paper; color coded with printing ink including oil based vehicle and dye free component |
02/07/1996 | EP0695349A1 Enzymes with xylanase activity from aspergillus aculeatus |
02/06/1996 | US5489642 Repulpable contact adhesive |
02/01/1996 | WO1996002632A1 Novel xylanase, process for producing the same, method for the treatment of pulp, and production of xylo-oligosaccharides |
01/31/1996 | EP0694064A1 A METHOD OF HYDROLYSING CHOLESTEROL ESTERS BY USING A $i(PSEUDOMONAS FRAGI) CHOLESTEROL ESTERASE |
01/30/1996 | US5487812 Treatment of alkaline bleached mechanical wood pulp with pectinase |
01/30/1996 | CA2129171A1 Actinomadura xylanase sequences and method of use |
01/23/1996 | US5486468 Delignification of wood pulp |
01/23/1996 | US5486268 Oxygen delignification of old corrugated containers |
01/18/1996 | DE4425237A1 Disposal of woven sacking |
01/17/1996 | EP0692043A1 Process and enzyme preparation for preparing mechanical pulp |
01/17/1996 | CN1030725C Method of preparing pulp |
01/11/1996 | WO1996000811A1 Production of soft paper products from old newspaper |
01/11/1996 | CA2194188A1 Production of soft paper products from old newspaper |
01/04/1996 | WO1996000290A1 Purified polyporus laccases and nucleic acids encoding same |
01/04/1996 | CA2193070A1 Purified polyporus laccases and nucleic acids encoding same |
01/03/1996 | EP0689625A1 Pitch degradation with white rot fungi |
12/27/1995 | EP0688377A1 Persulfate mixtures for repulping wet strength paper |
12/27/1995 | EP0688372A1 System and method for recycling materials |
12/21/1995 | WO1995034662A1 Thermostable xylanases |
12/20/1995 | EP0687320A1 Process for preparing mechanical pulp |
12/19/1995 | US5476790 Inoculation with schizophyllum trichaptum and phanerochaete |
12/19/1995 | US5476789 Composition containing strains of Ophiostoma piliferum and a method of using the composition to reduce the pitch content of pulpwood or pulp |
12/14/1995 | WO1995033883A1 Method and enzymatic preparation for treatment of cellulose pulps |
12/14/1995 | WO1995033836A1 Phosphonyldipeptides useful in the treatment of cardiovascular diseases |