Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21C - Production of cellulose by removing non-cellulose substances from cellulose- containing materials; Regeneration of pulping liquors; Apparatus therefor › D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters
Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432)
12/2005
12/29/2005WO2005124016A1 Process for deinking waste paper
12/29/2005CA2567626A1 Process for deinking waste paper
12/28/2005EP1238141B1 Fibers from plant seeds and use
12/22/2005US20050279472 Recycled white ticket stock and method of making same
12/21/2005EP1606446A1 Methods for bleaching of cellulosic materials
12/21/2005EP1115942A4 Arundo donax pulp, paper products, and particle board
12/21/2005CN1710192A Method for making pulp using cow dung as raw material
12/21/2005CN1710191A Method for one-step separation of wood-grass fiber
12/15/2005WO2004101889A3 Use of hemicellulase composition in mechanical pulp production
12/14/2005EP1604060A1 Method for producing corn stalk pulp and paper products from corn stalk pulp
12/14/2005CN1708584A Novel cellulase tolerant to surfactants
12/14/2005CN1231636C Calcium carbonate synthesis method and resulting product
12/14/2005CN1231632C Arundo donax pulp, paper products and particle board
12/08/2005WO2005116326A1 System for the continuous descaling of fibrous plants for the production of semi-chemical papermaking pulp
12/08/2005US20050272041 isolated polynucleotide encoding Enzymatic proteins for use in food processing, paper making and recycling
12/08/2005US20050269048 Novel catalytic reactor process for the production of commercial grade pulp, native lignin & unicellular protein
12/06/2005CA2201871C An enzyme and enzyme preparation with endoglucanase activity
12/01/2005US20050263080 Absorbent material for animal bedding
12/01/2005DE19820947B4 Enzymatisches Bleichsystem mit neuen enzymwirkungsverstärkenden Verbindungen zum Verändern, Abbau oder Bleichen von Lignin, ligninhaltigen Materialien oder Verändern oder Abbau von Kohle sowie Verfahren unter Verwendung des Bleichsystems Enzymatic bleaching system with new enzyme action enhancing compounds for modifying, degrading or bleaching lignin, lignin-containing materials or modification or degradation of coal and method using the bleaching system
11/2005
11/30/2005CN1229543C Process for recovering inorganic material from deinking sludge
11/29/2005US6969443 Making fiberous sheets by debonding with cationic ammonium compounds and a nonionic surfactant to reduce tensile strength of fibers and forming absorbent sheets
11/24/2005DE102004020495A1 Verfahren und Anlage zur Aufbereitung von Altpapier Method and apparatus for processing recycled paper
11/22/2005US6967246 For stimulating release of tumor necrosis factor and or cellular proliferation/differentiation of chondrocytes by contacting blood with polypeptide; cancer diagnosis
11/17/2005WO2005108673A1 New composition and process for the treatment of fibre material
11/17/2005US20050252625 Process for the manufacturing of cellulose pulp
11/17/2005DE102004020496A1 Verfahren zum Steuern eines Bleichprozesses für die Altpapieraufbereitung, sowie eine Bleichvorrichtung zur Durchführung eines solchen Verfahrens A method for controlling a bleaching process for the waste paper processing, as well as a bleaching apparatus for performing such a method
11/17/2005CA2564015A1 New composition and process for the treatment of fibre material
11/16/2005CN1697901A Method for producing corn stalk pulp and paper products from corn stalk pulp
11/16/2005CN1697877A Xylanases with enhanced thermophilicity and alkalophilicity
11/16/2005CN1696398A Method for separating and purifying Nano bacteria cellulose
11/10/2005WO2005106110A1 Method for mechanical pulp production
11/10/2005WO2005080673A3 A process for the treatment of fibre material and new composition
11/10/2005DE102004020355A1 Oxidative, reduktive, hydrolytische und andere enzymatische Systeme zur Oxidation, Reduktion, zum Coaten, Koppeln und Crosslinken von natürlichen und künstlichen Faserstoffen, Kunststoffen oder anderen natürlichen und künstlichen Mono- bis Polymerstoffen Oxidative, reductive, hydrolytic and other enzymatic systems for oxidation, reduction, for coating, coupling and cross-linking of natural and artificial fibers, plastics or other natural and man mono- to polymer materials
11/10/2005CA2565923A1 Method for mechanical pulp production
11/08/2005US6962618 Device for separating air from flotation foam
11/03/2005WO2005103374A2 Method and installation for processing waste paper
11/03/2005WO2005103373A2 Method for controlling a bleaching process for waste paper treatment and bleaching device for carrying out said method
11/03/2005WO2005103372A2 Oxidative, reductive, hydrolytic and other enzymatic systems for oxidizing, reducing, coating, coupling or cross-linking natural and artificial fiber materials, plastic materials or other natural or artificial monomer to polymer materials
11/03/2005WO2005103370A1 Enzyme treatment of wood pulp
11/03/2005US20050241785 Method of producing mechanical pulp and the mechanical pulp thus produced
11/03/2005CA2564380A1 Oxidative, reductive, hydrolytic and other enzymatic systems for oxidizing, reducing, coating, coupling or cross-linking natural and artificial fiber materials, plastic materials or other natural or artificial monomer to polymer materials
11/02/2005EP1591584A1 Process for treating secondary cotton fibers and use of the regenerated fibers in the manufacture of tissue paper
11/02/2005EP0707637B1 Enhancement of laccase reactions
10/2005
10/26/2005CN1688323A Lentiviral vector-mediated gene transfer and uses thereof
10/25/2005US6958110 Apparatus for the production of cellulose paper pulps by biodelignification of vegetative masses
10/25/2005CA2197241C Persulfate/metal mixtures for repulping and decolorization
10/25/2005CA2177254C Deinking of waste paper by treatment with starch degrading enzyme e.g. amylase
10/12/2005EP0749473B1 Novel alkaline cellulases
10/12/2005CN1681992A Method of producing mechanical pulp and the mechanical pulp thus produced
10/11/2005CA2313892C Method of optimizing the metering of charge-reversal agent into paper broke
09/2005
09/29/2005US20050211401 Process for the production of cellulose fiber pulp
09/27/2005CA2328125C Oxidase process for pulp and dye oxidation
09/21/2005EP0753057B1 Alkaline bacillus amylase
09/21/2005CN1671920A Method of deinking
09/20/2005US6946280 Multimeric proteins comprising subtilisins derived from bacillus, used for medical diagnosis
09/20/2005CA2243204C 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
09/20/2005CA2157513C Process for preparing mechanical pulp
09/15/2005WO2005084422A1 Absorbent material for animal bedding
09/13/2005US6942754 Process for producing xylooligosaccharide from lignocellulose pulp
09/08/2005US20050196593 Absorbent material for animal bedding
09/08/2005US20050194482 Grooved pyramid disperger plate
09/07/2005EP1571207A1 Novel cellulase tolerant to surfactants
09/07/2005EP1570124A1 A process for obtaining a cellulosic wet sheet and a membrane, the equipment used to obtain the membrane and the membrane obtained
09/07/2005EP1570042A1 Methods and systems for pretreatment and processing of biomass
09/07/2005CN1218088C Method for reducing contamination from cellulosic suspensions
09/07/2005CN1218087C Methods for control of organic contaminants in fiber suspensions
09/06/2005CA2244464C Process for the production of cellulose paper pulps by biodelignification of vegetable masses
09/01/2005WO2005080673A2 A process for the treatment of fibre material and new composition
09/01/2005WO2005080297A1 Method of converting aquatic plants especially hyacinth into useful products
09/01/2005US20050191400 Enhanced fiber additive; and use
09/01/2005CA2554227A1 Method of converting aquatic plants especially hyacinth into useful products
08/2005
08/31/2005EP1568384A1 Process for stabilizing germinative fluid media
08/31/2005CN1662703A Appts. and method for extracting kraft paper pulp and atuomatically defibering
08/25/2005US20050183836 Enhanced fiber additive; and use
08/24/2005EP1565611A2 Method of removing printing ink from waste paper by flotation deinking
08/24/2005CN1657694A Wood method for pulping using cotton stalk, bush or brush
08/18/2005US20050181485 Cellulose digesting enzyme gene and utilization of the gene
08/18/2005US20050178723 Integrated system and method for purifying water, producing pulp and paper, and improving soil quality
08/18/2005US20050178722 Integrated system and method for purifying water, producing pulp and paper, and improving soil quality
08/17/2005CN2718029Y Fibre dividing machine
08/16/2005CA2233002C Office wastepaper deinking process
08/10/2005EP1561858A1 Disperger with plate having grooved pyramid teeth
08/10/2005EP1560982A1 Slurry of agricultural fibres and its products
08/10/2005CN1651647A Method for making artificial fiber pulp by whole hemp stalk
08/10/2005CN1651646A Disperger with plate having grooved pyramid teeth
08/09/2005CA2315813C Process of repulping wet strength paper
08/05/2005CA2494398A1 Grooved pyramid disperger plate
08/04/2005US20050170485 Culture having phenol oxidase-like activity
08/04/2005US20050170471 Enzyme multimer and process of producing same
08/03/2005CN1650004A Cellulose digesting enzyme gene and utilization of the gene
08/03/2005CN1648334A Disc type heat dispersing method and its device for paper-making process and use
08/03/2005CN1648331A New process for lipase waste paper deinking
08/02/2005US6923887 Method for hydrogen peroxide bleaching of pulp using an organic solvent in the bleaching medium
07/2005
07/28/2005WO2005068709A1 Improved method of de-inking paper and other cellulosic materials
07/28/2005WO2005068552A1 Composition containing amphoteric water-soluble polymer
07/27/2005CN1646763A De-inking agent for producing paper and cellulose
07/21/2005US20050155729 Method for ozone treatment of used paper
07/20/2005CN1643209A Process for bleaching lignocellulose-containing non-wood pulp
07/14/2005US20050150619 Xylanase treatment of chemical pulp
07/13/2005EP1552052A1 A method of producing mechanical pulp and the mechanical pulp thus produced
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