Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432)
02/2002
02/14/2002WO2002012618A2 Flotation deinking process
02/14/2002CA2418956A1 Flotation deinking process
02/13/2002EP1179075A2 Bacillus circulans xylanase mutants
02/13/2002EP0819190B1 Deinking method
02/13/2002CN1079127C Method for producing regenerated newsprint using waste paper
02/12/2002US6346407 Xylanase, microorganisms producing it, DNA molecules, methods for preparing this xylanase and uses of the latter
02/07/2002WO2002010508A1 Processes of reducing contamination from cellulosic suspensions
02/07/2002US20020014317 Method for processing straw pulp
02/07/2002CA2416252A1 Processes of reducing contamination from cellulosic suspensions
02/05/2002CA2119912C Thermostable xylanase from a strain of rhodothermus marinus
01/2002
01/29/2002CA2047182C Deinking agent
01/23/2002EP0879318B1 Process for increasing the negative charge on a lignocellulosic material and a modified lignocellulosic material with increased charge density
01/22/2002US6340407 Process of making recycled linerboard or Kraft paper from old corrugated container
01/17/2002WO2002004084A2 Process for obtaining bio-functional fractions from biomass
01/10/2002WO2002002866A2 Fungal incubation containment system and methods
01/10/2002US20020003032 Method for pre-processing and processing pulp
01/09/2002CN1330740A Arundo donax pulp, paper products and particle board
01/09/2002CN1077632C Deinking process
01/09/2002CN1077630C Process for producing pulp from lignocellulosic plants and pulp obtained
01/08/2002US6336992 Method and apparatus for wetting fibrous material
01/03/2002WO2002000995A1 Method for preparing pulp from cornstalk
01/02/2002EP1165881A1 Multi-component system for the enzyme-catalysed oxidation of substrates and method for carrying out enzyme-catalysed oxidation
01/02/2002CN1077185C Magnetic deinking method for waste paper
12/2001
12/27/2001WO2001098579A2 Methods to control organic contaminants in fiber suspensions
12/26/2001CN1328073A Application of pore fungus laccase
12/20/2001WO2001057309A3 Method for bleaching de-inked and/or recycled pulps
12/19/2001EP1163328A1 An enzymatic treatment method
12/19/2001CN1327496A Method for accelerated degradation of mulch paper and mulch paper
12/13/2001WO2001093664A2 Process for propagation and utilization of mimosa
12/11/2001US6329185 A polypeptide from a basidiomycota fungus; for preparing mono-component galactanase composition; for use as bulking agents, preparation of fruit or vegetable juices, regulate consistency and appearance of processed fruits or vegetables
12/06/2001WO2001092498A1 Novel laccase enzyme and the gene encoding the enzyme
12/06/2001US20010047852 Pulping, slurrying, decoloring, separation
12/05/2001EP0820544B1 Treatments for inhibiting deposition in papermaking systems
12/05/2001EP0764226B1 Method and enzymatic preparation for treatment of cellulose pulps
12/05/2001CN1325276A Method for processing straw pulp
11/2001
11/29/2001WO2001090375A1 Endoglucanase nce5 and cellulase preparations containing the same
11/29/2001WO2001089730A2 Method for processing waste and waste processing plant
11/29/2001WO2001089702A2 Method and system for utilising waste
11/29/2001CA2409607A1 Method for processing waste and waste processing plant
11/29/2001CA2409543A1 Method and system for utilising waste
11/27/2001US6322664 Method of processing recycled waste paper by separating fibers of different colors
11/22/2001US20010042605 Mechanically fiberizing paper broke (waste scrap) from paper towel, napkin, and/or tissue to reduce the broke into discreet fibers; produce paper webs having high porosity, opacity and brightness
11/21/2001EP1155104A2 Corn fiber for the production of advanced chemicals and materials
11/15/2001US20010041749 Contaminant dispersants useful in recycling of treated containers
11/14/2001EP1152833A1 Method and production plant for the manufacture of fibrous material
11/14/2001CN1074790C Enhancement of laccase reactions
11/06/2001US6312559 Deinking process using amine compounds and white water recycling
10/2001
10/31/2001CN1319657A Intensified action of paint enzyme reaction
10/25/2001WO2001029308A8 Fibers from plant seeds and use
10/25/2001WO2000047701A9 Corn fiber for the production of advanced chemicals and materials
10/23/2001US6306250 Providing carbonless copy paper containing capsule oils; disintegrating carbonless copy paper in presence of an alkoxylated c.sub.12-14 alcohol to form stock suspension; removing the capsule oils from the stock suspension
10/16/2001US6302997 Environmentally-benign alternatives to the use of trees.
10/10/2001EP1141484A1 Method for accelerated degradation of mulch paper and mulch paper
10/10/2001EP1141483A1 Modified cationic polymers, a method for the production thereof and their use during paper production
10/10/2001EP1141478A1 Paper repulping method
10/10/2001EP0877839B1 Process for the production of cellulose paper pulps by biodelignification of vegetable masses
10/09/2001US6300114 Sequences of xylanase and xylanase expression vectors
10/04/2001EP1138820A1 Process for the removal of fine particle-shaped impurities from waste paper pulp
10/04/2001EP1137841A1 A sanitary paper product made by modifying coarse fibers and process thereof
10/04/2001EP1137600A1 Hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide for the clarification of deinking process waters
10/04/2001EP0765394B1 Purified myceliophthora laccases and nucleic acids encoding same
10/04/2001DE10015355A1 Removal of fine- and micro-sticky particles from suspensions of waste paper fibers, combines fine fractionation screening with froth flotation
10/03/2001CN1072297C Microfibrillated cellulose and method for preparing same from primary wall plant pulp, particularly sugar beet pulp
10/02/2001US6296736 Process for modifying pulp from recycled newspapers
10/02/2001US6296671 Degradation of fibers, yarns, etc composed of plant material, cleaning and laundering compounds
09/2001
09/27/2001US20010024815 Production of thermostable xyalnases useful for modifying plant biomass and for enzyme-aided bleaching of wood pulp
09/27/2001US20010023751 Adding water soluble polyol i.e. polyvinyl alcohol, betonite, additives, and filler to waste paper stock system to reduce sticky contaminants
09/27/2001US20010023749 Method for processing straw pulp
09/26/2001CN1314511A oxidant defibering method for waste paper pulp-making
09/25/2001US6294047 Methods for reducing fluorescence in paper-containing samples
09/19/2001EP0711368B1 Recycle processing of baled waste material
09/19/2001EP0610371B1 Thermostable xylanase from a strain of rhodothermus marinus
09/18/2001US6290811 Recycling of old corrugated container (occ), by separating from the occ fines and ink with a flotation treatment to prepare a separated occ; and subjecting separated occ to kneading treatment
09/18/2001CA2149236C Novel xylanase, process for producing the same, method for the treatment of pulp, and production of xylo-oligosaccharides
09/12/2001EP0726880B1 Deinking of recycled pulp
09/11/2001US6287839 Enzymatic polypeptide; for use as detergent; for use in animal feeds; for use in the treatment of paper, pulps and textiles
09/11/2001US6287417 Foamable liquid containing surfactant is sparged with air or gas forming foam enriched in surfactant and residual liquid depleted in surfactant, foam is separated from residual liquid and resolved into foamable liquid by separating gas or air
09/06/2001US20010020091 Corn fiber for the production of advanced chemicals and materials: arabinoxylan and arabinoxylan derivatives prepared therefrom
09/06/2001US20010018956 Multi-component system for modifying, degrading or bleaching lignin, lignin-containing materials or similar substances and processes for its use
09/05/2001EP1129254A4 Method of papermaking having zero liquid discharge
09/05/2001EP1129254A1 Method of papermaking having zero liquid discharge
09/05/2001EP1129252A1 Methods for deinking and decolorizing printed paper
08/2001
08/30/2001WO2001063041A1 Waste paper and fiber processing methods and apparatus
08/29/2001CN1070153C The use of dialdehydes and acetals inhibiting decomposition of peroxide in the production and treatment of recycled fiber pulp and other fiber pulp
08/28/2001US6280984 DNA constructs and methods of producing cellulytic enzymes
08/14/2001US6273999 Suspension of paper treated in a coating machine and to be reintroduced into the production line, broke can be reprocessed to form paper,
08/14/2001US6273994 Rapid bleach brightness and lignin content of the pulp.
08/14/2001US6273993 Method of dispersing wax from a hot melt wax-coated paper
08/09/2001WO2001057311A2 Papermaking process and paper made therefrom
08/09/2001WO2001057309A2 Method for bleaching de-inked and/or recycled pulps
08/08/2001CN2441844Y Deinking floatation device for waste paper
08/08/2001CN1069351C Fiber produced from feathers and its production and composition containing the fiber
08/07/2001CA2163527C Deinking formulation for flexographic inks
07/2001
07/31/2001US6267841 Low energy thermomechanical pulping process using an enzyme treatment between refining zones
07/26/2001WO2001053602A1 Bleaching pulp
07/26/2001WO2001053601A1 Process for reducing sticky contaminants in stock systems containing waste paper and in coated broke
07/26/2001DE19954246A1 Verfahren zur Erhöhung der Homogenität und des Weißgrades von Papierfaserstoff A method for increasing the homogeneity and the whiteness of paper pulp
07/26/2001CA2391459A1 Process for reducing sticky contaminants in stock systems containing waste paper and in coated broke
07/25/2001EP1118706A2 Method for removing contaminants from fibers in recycle fiber pulping
07/25/2001EP1070174A4 Eucalyptus biokraft pulping process
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