| Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432) |
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| 07/13/2005 | CN1639417A Xylanase treatment of chemical pulp |
| 07/13/2005 | CN1639416A Use of lipolytic enzymes for stickies control |
| 07/07/2005 | WO2005061782A1 Method for reducing brightness reversion of mechanical pulps and high-yield chemical pulps |
| 07/07/2005 | US20050145349 Mixing ammonium hydroxide and/or sodium bicarbonate with hydrogen peroxide and aqueous suspension of inked cellulosic fibrous material, dislodging ink by reaction at ink particle/cellulosic fiber interfaces, removing ink particles |
| 07/07/2005 | DE10303646B4 Verfahren zur Entfernung von Störstoffen aus einer wässrigen Papierfasersuspension A method for removing anionic trash from an aqueous paper fiber suspension |
| 07/07/2005 | CA2549650A1 Method for reducing brightness reversion of mechanical pulps and high-yield chemical pulps |
| 07/05/2005 | CA2213823C Deinking method |
| 06/30/2005 | WO2004034765A3 A method of increasing the conductivity of water and uses therefor |
| 06/30/2005 | US20050143275 Endoglucanase nce5 and cellulase preparations containing the same |
| 06/29/2005 | EP1546451A1 Apparatus and method for automatically defibering and extracting kraft pulp from old corrugated cardboard |
| 06/23/2005 | WO2005042838B1 Bleached and unbleached fibrous paper pulps and a method for producing the same |
| 06/23/2005 | US20050133172 Deinking system for carbonate pulping |
| 06/22/2005 | CN1630756A Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof |
| 06/16/2005 | WO2005054571A1 Deinking system for carbonate pulping |
| 06/16/2005 | US20050126731 Economical and environmentally sustainable method of recycling wastepaper |
| 06/16/2005 | US20050126726 Method for making Arundo donax paper product |
| 06/15/2005 | EP1540075A1 Method of deinking |
| 06/15/2005 | EP1539198A2 Lentiviral vector-mediated gene transfer and uses thereof |
| 06/09/2005 | US20050123734 Arundo donax pulp and related methods |
| 06/09/2005 | US20050123733 Arundo donax paper product |
| 06/09/2005 | US20050121156 Method of deinking waste paper using cellulase without lowering paper strength and method of evaluating the same |
| 06/09/2005 | DE10352891A1 Oxidation and/or bleaching system, generates reactive oxidant and nitrogen compounds, comprises special precursor and forms oxidative radicals and other oxidative compounds |
| 06/09/2005 | DE10350073A1 Verfahren zur Weißeregelung für die Druckfarbenentfernung in Deinking-Anlagen und eine Deinking-Anlage mit einer Flotationszelle zur Druckfarbenentfernung Process for the White regime for ink removal in deinking plant and a deinking plant with a flotation de-inking |
| 06/08/2005 | EP1538155A2 Amylase variants |
| 06/08/2005 | CN1624124A Amylase variants |
| 06/07/2005 | US6902649 processed seed fiber suitable for other uses in papermaking or as a food additive for human consumption; corn, oats, soybeans; slurrying fiber in a dilute acid solution and washing; modifying agent step preferably includes an acid chlorite solution or a peroxide solution for improved brightness |
| 06/07/2005 | CA2126723C Method of deinking waste paper for reclamation thereof |
| 06/02/2005 | US20050115690 Methods for producing recycled pulp from waste paper |
| 06/01/2005 | CA2488670A1 Deinking system for carbonate pulping |
| 05/26/2005 | WO2005047594A1 Deinking blends for use in reduced alkali systems |
| 05/26/2005 | CA2545624A1 Deinking blends for use in reduced alkali systems |
| 05/25/2005 | EP1533371A1 Culture having phenol oxidase-like activity |
| 05/19/2005 | US20050102762 An endoglucanase derived from Zygomycetes that may have a cellulose binding domain deleted; treating a cellulose fabric with the cellulase preparation to improve a property; deinking waste paper; improving freeness of paper pulp |
| 05/18/2005 | EP0865484B1 Novel xylanase composition and method for production thereof |
| 05/12/2005 | WO2005042838A1 Bleached and unbleached fibrous paper pulps and a method for producing the same |
| 05/12/2005 | WO2005042831A1 Method for regulating whiteness for removal of printing ink in deinking installations and deinking installation comprising a flotation cell for removal of printing ink |
| 05/12/2005 | US20050098278 Pulping the paper into a slurry with a pH between 6.0 and 8.8, mixing with a deinking liquid blend of an alkoxylated fatty alcohol, a fatty acid and an alkoxylated fatty acid, flotation separation; recycling; waste reduction; papermaking |
| 05/03/2005 | CA2203905C Bacterial protein with xylanase activity |
| 04/30/2005 | CA2447427A1 Apparatus for liquid-based fiber separation |
| 04/28/2005 | US20050089980 Novel laccase enzyme and the gene encoding the enzyme |
| 04/27/2005 | CN1610783A Process for producing degradable crops fibre environment protection packaging material and application |
| 04/14/2005 | WO2004101889A8 Use of hemicellulase composition in mechanical pulp production |
| 04/13/2005 | EP1522627A2 Method and apparatus for wetting fibrous material |
| 04/13/2005 | CN1196783C Enzyme processing process |
| 03/31/2005 | WO2004011717A8 Method of deinking |
| 03/31/2005 | US20050070003 Glucanase enzyme mixture for use in textile treatment and laundering detergents |
| 03/31/2005 | US20050067730 High strength material using cellulose micro-fibril |
| 03/31/2005 | US20050067124 processed seed fiber suitable for other uses in papermaking or as a food additive for human consumption; corn, oats, soybeans; slurrying fiber in a dilute acid solution and washing; modifying agent step preferably includes an acid chlorite solution or a peroxide solution for improved brightness |
| 03/31/2005 | US20050067120 refining crude soybean oils, then oligomerization, mixing the soybean oil oligomer with surfactants to form an emulsion andmixing the emulsion with recycled paper pulp to improve absorbent product properties |
| 03/31/2005 | CA2770976A1 Cbh1 homologs and variant cbh1 cellulases |
| 03/30/2005 | CN2688744Y Straw environmental protective comprehensive utilizing system |
| 03/23/2005 | EP1051551B1 Method and apparatus for wetting fibrous material |
| 03/23/2005 | CN1598142A Carbon fibre paper and its mfg. method |
| 03/23/2005 | CN1598141A Carbon fibre paper and its mfg. method |
| 03/23/2005 | CN1598128A Wet intensity waste paper regereting agent |
| 03/23/2005 | CN1598127A Whole black liqucd large liqucd rate cercal grass cooking technology with digester |
| 03/17/2005 | WO2005024125A1 Chemimechanical desilication of nonwood plant materials |
| 03/17/2005 | WO2004048680A8 Method of removing printing ink from waste paper by flotation deinking |
| 03/16/2005 | EP1513981A1 Process for the manufacturing of cellulose pulp |
| 03/16/2005 | EP1044234B1 Process of repulping wet strength paper |
| 03/16/2005 | CN1594729A Biological enzyme deinking method for waste paper |
| 03/16/2005 | CN1594728A Preparation process for high concentration black liquor in vertical kettle and products thereof |
| 03/16/2005 | CN1594727A Method for making pulp using feather as raw material |
| 03/10/2005 | WO2005021714A2 Laccases, nucleic acids encoding them and methods for making and using them |
| 03/10/2005 | US20050054867 introducing a lecithin-bulk mixture into a separator to obtain a concentrated lecithin mixture, feeding concentrated mixture onto a porous material, allowing liquid medium to pass through while retaining a wet lecithin, removing moisture of wet lecithin using heated pressurized roller, heating the sheet |
| 03/10/2005 | US20050051287 Chemimechanical desilication of nonwood plant materials |
| 03/10/2005 | US20050051286 Durable curl to papermaking fibers; pressurized rotating drum; controlling temperature |
| 03/10/2005 | CA2535526A1 Laccases, nucleic acids encoding them and methods for making and using them |
| 03/09/2005 | EP1032686B1 Cellulase produced by actinomycetes and method of producing same |
| 03/09/2005 | CN1590640A In ball washing classifying digesting technology |
| 03/09/2005 | CN1192108C Purified myceliophthora laccase and nucleic acid encoding same |
| 03/03/2005 | WO2005018435A2 Thermally modified microbial-derived cellulose for in vivo implantation |
| 03/02/2005 | CN1587503A Grass pulp producing process combining physical breaking and biological degradation |
| 02/24/2005 | US20050042250 Thermally modified microbial-derived cellulose for in vivo implantation |
| 02/24/2005 | US20050039869 Disintegrating paper to produce a pulp, treating with a starch-degrading enzyme and a pectate lyase; and separating ink particles from the pulp; recycling for making new paper or tissue |
| 02/24/2005 | US20050039868 Recycling of latex-containing broke |
| 02/23/2005 | CN1584201A Black liquid with washing graded cooking process production in ball and preparing method thereof |
| 02/18/2005 | CA2476404A1 Recycling of latex-containing broke |
| 02/15/2005 | US6855531 Enzymatic polypeptide for use in paper making, detergents and textile processing |
| 02/10/2005 | WO2005012632A1 Process for producing recycled pulp, method of modifying pulp fiber surface and contaminant, and pulp treating apparatus |
| 02/09/2005 | CN1188451C Process of repulping of wet strength paper |
| 02/03/2005 | WO2005010273A1 Method of curling fiber and absorbent sheet containing same |
| 02/03/2005 | US20050022951 Total chlorine free bleaching of arundo donax pulp |
| 02/02/2005 | CN1575363A Oxidizing enzymes in the manufacture of paper materials |
| 02/01/2005 | CA2149235C Deinking of printed paper by agglomeration process |
| 01/27/2005 | WO2005007968A1 Recycling of lignocellulose based board materials |
| 01/27/2005 | US20050020162 Improved wet strength during repulping; pressure sensitive adhesives |
| 01/27/2005 | CA2532346A1 Recycling of lignocellulose based board materials |
| 01/26/2005 | CN2673919Y Separating reducing pulp machine for plastic composite paper |
| 01/26/2005 | CN2673918Y Composite paper separating reducing pulp machine with circulating water power |
| 01/20/2005 | DE19854324B4 Verfahren zur biologischen Gewinnung von Cellulosefasermaterial aus Calciumpectinat-haltigem, pflanzlichen Substrat Process for the biological production of cellulose fiber material from calcium pectinate-containing vegetable substrate |
| 01/19/2005 | CN1568387A Method of separating colouring agents, particularly printing ink, from recycled fibre material |
| 01/13/2005 | US20050009166 Cellulase variants |
| 01/12/2005 | CN2670919Y Floating groove volume metering device for experiment |
| 01/12/2005 | CN1563567A Deinking Technique for news bogus paper through enzyme |
| 01/11/2005 | US6840006 Accelerated mulching paper degradation process and mulching paper for implementing the process |
| 01/11/2005 | CA2095302C Method and apparatus for separating paper fiber and plastics from mixed waste materials and products obtained thereby |
| 01/06/2005 | US20050003516 Treating paper making pulp with pectin lyase, pectate lyase and/or combinations of pectate lyase and pectinesterase for use in preparing pulps for paper materials such as cardboard, linerboard, corrugated paperboard, tissue, towels, corrugated containers or boxes |
| 01/06/2005 | US20050000666 Controlled pH and temperature; heating; papermaking ; high strength |
| 01/05/2005 | EP1492920A1 De-inking agent for producing paper and cellulose |