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Matches 501 - 550 out of 2,775

Document Document Title
WO/2003/000983A1
Comminuted (CHIPPED) Arundo Donax is treated, in conventional pulping processes (DIGESTION), to produce a high tensile strength pulp that can be used in the production of paper. The pulp has a lighter color than wood pulp, and thereby us...  
WO/2002/099023A2
The invention relates to oxidation and bleaching systems consisting of: A) a component that enzymatically generates peroxide or superoxide or another reactive oxygen species (ROS), which slowly and continuously provides said (ROS) and B)...  
WO/2002/099183A1
In a new process for preparing pulped wood chips for paper making, chips from a hardwood such as eucalyptus are inoculated with aliving culture of one or more white rot fungi. The fungi propagate throughout th ebody of the wood chip, sel...  
WO/2002/095127A2
The invention relates to the use of certain lipolytic enzymes such as cutinases and lipases in the manufacture of paper and paper products from recycled paper. Examples of such enzymes are derived from strains of Humicola, Candida, Fusar...  
WO/2002/092809A1
A novel hexenuronidase characterized in that it has hexenuronidase activity and a molecular weight of about 40,000 to 45,000 and the enzymatic activity is enhanced by 2-mercaptoethanol or dithiothreitol; a process for producing the hexen...  
WO/2002/090647A1
The present invention relates to a separation method of fibre and fibre-based material and lipophilic extractive material; the method permits a reduction in the water consumption of a pulp mill and the use of wood species having higher e...  
WO/2002/081815A2
In the production of pulp and paper from starch-containing paper, the deinking effect can be improved by including treatment with both a starch-degrading enzyme and a pectate lyase. The process comprises enzyme treatment during or after ...  
WO/2002/081816A1
The invention discloses a method of extracting extractives from wood chips. The method includes sterilization of wood chips under pressure and heat to obtain sterilized wood chips. The sterilized wood chips may be inoculated with selecte...  
WO/2002/079260A1
Disclosed is a method for treating a grain fiber, in particular corn fiber. In accordance with the disclosed subject matter, the fiber is subjected to alkaline hydrolysis in the presence of a hemicellulose ferulate esterase in an aqueous...  
WO/2002/070816A2
Methods and devices are provided for treating a fluid with a high voltage electric field for decontaminating the fluid or a variety of other purposes. In a preferred embodiment for decontamination, the method includes (a) applying an ele...  
WO/2002/057538A2
The present invention relates to methods for deinking wastepaper by pulping wastepaper at a pH between 4 and 8.5 in the presence of deinking agents comprising a lipase and a fatty acid ester and removing the thereby dislodged ink particles.  
WO/2002/057539A1
The invention relates to a method consisting in pre-treating wood chips before pulping and bleaching with basidiomycetes mushrooms from the Bjerkandera adusta, Phlebia radiata, Pleurotus pulmonarius or Poria (synonym Ceriporiopsis) subve...  
WO/2002/057541A2
The present invention discloses methods of bleaching chemical pulp with xylanase after chemical bleaching. The method comprises the steps of treating chemical pulp with a first xylanase in a first enzyme treatment stage to produce an enz...  
WO2000068396A9
The invention relates to novel xylanase activity (XA) proteins and nucleic acids. The invention further relates to the use of the (XA) proteins in the process of pulp bleaching.  
WO/2002/052100A2
The invention can be summarized as follows. There is provided a method of bleaching chemical pulp comprising the steps of exposing chemical pulp to a chemical bleaching state to produce a partially bleached pulp and treating the partiall...  
WO/2002/050369A1
The invention concerns a solid composition for de-inking of recycling paper comprising at least one fatty acid that is partially saponified with at least one alkaline substance. The invention further concerns preparation and use thereof.  
WO/2002/050245A2
A novel cellulase composition is provided which is produced by an Actinomycete. The cellulase has an approximate calculated molecular weight of 36 kD and has a pH optimum at 40 °C of 8 and at 60 °C of 7. Also provided is a DNA encoding...  
WO/2002/048450A1
A process for recovering inorganic material from a deinking sludge obtained as reject material in the recovery of recycled fiber from waste paper. In accordance with the invention the process comprises the following steps: (a) the propor...  
WO/2002/042474A1
A protein which is a Zygomycetes-origin endoglucanase lacking the cellulose-binding domain and showing an endoglucanase activity; and methods of using this enzyme. Thus, the effects of the endoglucanase can be enhanced in processing fibe...  
WO/2002/038754A1
A cellulase preparation characterized by containing a transconjugant-origin endoglucanase together with a nonionic surfactant; detergent compositions obtained by blending the above cellulase preparation with detergent components; a metho...  
WO/2002/022943A1
A deinking method with the use of a cellulase whereby load upon the environment can be lessened; and an evaluation method whereby a cellulase effective in deinking and the effective addition level of the cellulase can be appropriately de...  
WO/2002/016366A1
Copper chlorophyllin Na, iron chlorophyllin Na, etc. which can sustain an antibacterial effect over a long time and are highly useful in practice. To obtain various practically usable articles, which can sustain an antibacterial effect o...  
WO/2002/012618A2
The removal of inks from a pulp fiber slurry is accoplished by use of a combination of (1) a polyester obtained through reaction between di and/or tricarboxylic acids and/or anhydrides thereof and a polyalkylene glycol or one or more alk...  
WO/2002/010508A1
A method of removing synthetic hydrophobic resinous particles from a waste treatment process in which an aqueous cellulosic suspension is formed from waste cellulosic material in a pulping stage, passing the cellulosic suspension to a se...  
WO/2002/004084A2
The present invention includes a process for extracting bio-functional materials from biomass. The method comprises providing biomass and subjecting the biomass to substantially instantaneous pressurization and depressurization to separa...  
WO/2002/002866A2
Disclosed is a substantially closed fungal incubation containment system for use in biopulping lignocellulosic material, the system being equipped with a means for controlling air flow to or from the materials. Also disclosed are methods...  
WO/2002/000995A1
The invention relates to a pulp preparing method and, more particularly, to a method for preparing a paper pulp form cornstalks including the steps of high-pressure cooking, beating, dispersion and drying performed in a moderate conditio...  
WO/2001/098579A2
Methods to control organic contaminants in fibers are described. One method involves contacting the fibers with a composition containing at least one esterase or lipase or both for a sufficient time and in a sufficient amount to control ...  
WO/2001/093664A2
This invention provides a process for propagation of mimosa (Albizia julibrissin) and utilization of this plant species as forage for livestock, in food plots for deer, as a source of raw material for pulp and paper production, productio...  
WO/2001/092498A1
The invention relates to a new laccase enzyme, which can be isolated from the strains of the Melanocarpus genus, the M. albomyces strain in particular. The pH optimum of the enzyme is within 5-8 and the enzyme works at a temperature of 3...  
WO/2001/089702A2
The invention relates to a method and a system for utilising waste that contains fibres and combustible material. Waste is slushed in a continuous-operation high-consistency pulper (10) to suspend in water the fibres contained in the was...  
WO/2001/090375A1
An enzyme endoglucanase which is usable in relieving hairiness, improving texture and appearance, clarifying color, topically changing color and relieving stiffness of cellulose-containing fibers and in detergent compositions and, furthe...  
WO/2001/089730A2
The invention relates to a method for processing waste, in particular for utilising the recyclable material contained in waste, and a waste processing plant, in particular a plant processing waste fractions suitable for recycling of mate...  
WO2000047701A9
In one aspect, the invention provides methods for separating a corn fiber lipid fraction from corn fiber and novel corn fiber oils prepared therefrom. In another aspect, the invention provides methods of obtaining derivatizable cellulose...  
WO/2001/063041A1
A method and apparatus in which fibrous waste is processed under initial overpressure conditions is disclosed. Once the fibrous waste has been loaded into an autoclave (14), a compressor (12) pressurizes the chamber, following which caus...  
WO/2001/057309A2
The invention concerns a method for oxidising colouring agents fixed on pulps derived from recuperated and/or de-inked paper. More particularly, the invention concerns a method for bleaching de-inked and/or recycled pulps, characterised ...  
WO/2001/057311A2
A papermaking process (10), and a paper product (12) made from the process, wherein a biodegradable plastic is used with papermaking material. The biodegradable plastic may be provided as a substrate (14), with the papermkaing material b...  
WO/2001/053602A1
Pulping liquors used in the bleaching of pulps by hydrogen peroxide, and containing catalase-producing bacteria and/or catalase enzyme are treated with tris (hydroxymethyl) phosphine or a tetrakis (hydroxymethyl) phosphonium salt to kill...  
WO/2001/053601A1
The invention relates to a process for reducing sticky contaminants in stock systems containing waste paper and in coated broke, and their reuse in the manufacture of papers. In this process, both polyvinyl alcohols and bentonite are added.  
WO/2001/046517A1
The present invention is a corn grain fiber from which corn starch has been removed, having cellulose and hemicellulose, wherein the improvement is that the cellulose and hemicellulose are dissociated as a delignified corn grain fiber. A...  
WO/2001/032715A1
Disclosed are processes and systems for the production of useful organic products from diverse lignocellulose-containing biomass having increased yield and efficiency over existing processes. In particular, the present invention integrat...  
WO/2001/031066A1
A reaction method wherein a mediator in an activated state is poured into a reaction system containing a substrate. In this method, it is preferable to activate the mediator under mild conditions with the use of an enzyme as a preliminar...  
WO/2001/029308A1
The disclosed provides a process of modifying a seed based fiber (SBF) to form an enhanced fiber additive (EFA). The process includes an acid treatment step and optionally at least one fiber modification step. Preferred EFA products and ...  
WO/2001/025536A1
The invention concerns a method for accelerated degradation of mulch paper, whereof the cellulose fibres are impregnated with a hydrophobic resin providing said paper with resistance to poor weather conditions. Said method consists in sp...  
WO/2001/023665A1
The present invention relates to a process and composition for the recovery of fibre from waste paper and paper broke which has been treated with wet-strength resins. Specifically the present invention is directed to the removal of such ...  
WO/2001/016423A1
A process for producing a pulp suitable for papermaking from a nonwood fiber source material. Representative nonwood fiber source materials include corn stover and wheat straw. The process includes the steps of providing a nonwood fiber ...  
WO/2000/075422A1
The invention concerns a method and an equipment for combining in one single apparatus, the functions for filtering, decontaminating, and thickening paper pulp from used paper, while providing the complementary function of clarifying the...  
WO/2000/073574A1
Provided is a method for controlling foam formation, which method comprises contacting a substance with a foam-controlling agent comprising one or more ester compounds and wherein the foam controlling agent is capable of first suppressin...  
WO/2000/073216A1
The invention concerns compositions obtainable by mixing an anion surfactant solution with a mineral cation solution with a charge not less than 2. The invention also concerns the use thereof in aqueous media, in particular for clarifyin...  
WO/2000/073426A1
A lignin depolymerase is effective for depolymerizing kraft lignin and delignifying kraft pulp. The lignin depolymerases can have pI values of about 4.9 and 5.8.  

Matches 501 - 550 out of 2,775