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Matches 1 - 50 out of 5,543

Document Document Title
WO/2018/130528A1
The invention relates to the use of comb polymers as deposit inhibitors in pulp production according to the sulphate process (Kraft process), which comb polymers can be obtained by radical polymerisation of monoethylenically unsaturated ...  
WO/2018/125869A1
Methods of and systems for controlling dosing of drainage aid and optionally defoamer to brown stock of a brown stock washing process are provided. Certain embodiments of the invention provide independent control of drainage aid and/or d...  
WO/2018/114905A1
The invention relates to a two-stage digestion method for chemical fractionation of lignocellulose. In a first stage, the lignocellulose is pre-treated with water vapor or water at temperatures above 100 °C and increased pressures. In a...  
WO/2018/104330A1
There is provided a cellulose based fiber made of a i) cellulose dissolving pulp, and ii) a recycled cellulose textile, which is treated to swell the cellulose with a reducing additive and a) bleached with oxygen at alkaline conditions w...  
WO/2018/106285A1
In some embodiments, a method may include treating pulp. The method may include contacting a wood pulp with a singlet oxygen source. The method may include contacting the wood pulp with an alkaline peroxide source. The singlet oxygen sou...  
WO/2018/100759A1
[Problem] To provide an antifouling agent which is capable of sufficiently preventing pitch contamination in a wet part and does not easily foam. [Solution] The present invention provides an antifouling composition for preventing pitch c...  
WO/2018/099977A1
The present invention relates to a binder composition containing water, plant fibers and mineral fillers, - the weight ratio between the plant fibers and the mineral fillers being comprised between 99/1 and 2/98, - the plant fibers and t...  
WO/2018/100861A1
[Problem] To provide: an antifouling spray composition which is capable of sufficiently preventing a running member travelling in a wet part of a paper machine from being pitch-contaminated and does not easily foam; and a method for spra...  
WO/2018/096211A1
The invention relates to a use of a water-soluble polymer product comprising amphoteric polyacrylamide, which has neutral or cationic net charge at pH 7, a weight-average molecular weight of 2 500 000 – 18 000 000 g/mol and a total ion...  
WO/2018/093753A1
A method for making a specialty fiber by activating pulp in an alkaline aqueous medium, then reacting it a water-soluble, multi-functional reagent able to bridge neighboring cellulose chain within a single fiber. The resultant specialty ...  
WO/2018/087658A1
The invention relates to the chemical industry, and more particularly to technology for producing purified cellulose from flax fibre. The essence of the invention is that during the purification of flax fibres using a chemical method, li...  
WO/2018/088948A1
A pressure device (10) for a sealing arrangement (50) configured to be used in an apparatus for processing pulp, said pressure device (10) including a movable sealing element (70) for mounting in a holder (55) comprising an extended groo...  
WO/2018/083590A1
The present invention relates to a corrugated board comprising an adhesive arranged to attach a fluted corrugated medium to a liner wherein the adhesive comprises starch and microfibrillated cellulose. The invention also relates to a met...  
WO/2018/085100A1
Processes for pulping raw pulp material, such as wood chips, to provide pulp fibers having increased bulk, as well as bleaching the resulting pulp fibers to provide bleached pulp fibers having increased bulk. These pulp fibers and bleach...  
WO/2018/081450A1
A manufactured hemp product comprising a plurality of adhesively bonded and pressed hemp strands where the majority of the hemp strands are of generally the same length and comprise a naturally-occurring, generally elongate internal stru...  
WO/2018/078094A1
The present invention relates to a modified cellulosic fibre that comprises anionic moieties in an amount of more than 0.25mol/kg of dry fibre and has applied theron a polymeric modifying agent in an amount of from 0.5 wt.% to 5.0 wt.%, ...  
WO/2018/072264A1
A composition controlling deposition of an organic contaminant during pulp and paper making. Active ingredients thereof comprise: 1) a bio-enzyme having a perhydrolysis function; and ii) hydrogen peroxide and/or a precursor enabling gene...  
WO/2018/062502A1
The purpose of the present invention is to optimize a bleaching process in a manufacturing process for phosphorylated cellulose fiber. The present invention relates to pulp comprising cellulose fiber having a phosphate group or a phospha...  
WO/2018/051275A2
Provided are methods for preparing an enzyme-modified fiber pulp, wherein the modified pulp has improved properties for papermaking processes. The modified pulp and methods of its use are also provided.  
WO/2018/052361A1
A method for processing pulp in an apparatus for washing and dewatering pulp, and a system for controlling this apparatus, the apparatus comprising two rotatable press rolls (102, 104) having a permeable outer surface (106, 108), and a v...  
WO/2018/051275A3
Provided are methods for preparing an enzyme-modified fiber pulp, wherein the modified pulp has improved properties for papermaking processes. The modified pulp and methods of its use are also provided.  
WO/2018/049517A1
A novel method is disclosed to make cellulose filaments (CF) from wood or other plant fibers with lower energy consumption. The method consists of multi-stage, high consistency refining, followed by low consistency refining or by low con...  
WO/2018/049522A1
The present invention is directed to a method of transforming a pulp fibrous into a pre-dispersed semi-dry or dry fibrous material and to the material produced. The method opens, de-entangles and fibrillates the fibrous material of the i...  
WO/2018/022427A1
The present disclosure provides methods and compositions for improving the oxygen delignification process. The methods may include adding low doses of a borohydride stabilized in an alkaline solution to brownstock pulp. The methods may r...  
WO/2018/019707A1
The present invention is in the field of delignifying and/or bleaching of pulp, more in particular wood pulp. Such a process is useful in paper production. More in particular, the method relates to the use of an enzyme for delignificatio...  
WO/2018/017672A1
Methods and systems are disclosed for analyzing and treating a fluid containing a peroxyacid and/or peroxide. Method of analyzing the fluid includes introducing into the fluid a decomposition agent that catalyzes decomposition of the per...  
WO/2018/013034A1
The present invention relates to a method of producing a nanofibrillated cellulose (NFC), the nanofibrillated cellulose product obtained and the use of the nanofibrillated cellulose product. The method comprises the steps of: Providing c...  
WO/2018/011669A1
The present invention relates to a method for manufacturing an intermediate product that can be stored and transported and efficiently converted into microfibrillated cellulose with limited energy input at the time of conversion. More sp...  
WO/2018/001887A1
The present invention relates to a method for marking semi-crystalline nano- and/or microfibrilated cellulose by means of at least one chromophore organic molecule, comprising at least the steps that consist of: (i) providing an aqueous ...  
WO/2018/002434A1
The present invention relates to a process for treating pulp comprising a step, wherein the pulp is treated with distilled percarboxylic acid, such as distilled per- carboxylic acid (dPAA), and peroxide, such as hydrogen peroxide.  
WO/2018/002402A1
The present invention relates to a method for producing a sugar syrup, comprising the steps involving the solid-liquid separation of a biomass hydrolysate, and the concentration of the liquid phase obtained in step (a) by means of evapor...  
WO/2018/004479A1
The present invention relates to a process for producing a water disintegrable core which disintegrates quickly upon contact with water and has sufficient mechanical strength. Cores produced by a method according to the present invention...  
WO/2017/219131A1
It is provided a process for dewatering a biosolid slurry comprising adding a lignocellulosic material with reduced particle sizes of about 0.5 to 10 mm to a biosolid combined slurry (CS), composed of a primary slurry (PS) and a secondar...  
WO/2017/215877A1
The invention relates to a method for producing a fibrous material from lignocellulose from wood, preferably in the form of wood chips. The lignocellulose material is impregnated with a mixture of sodium sulfite and sodium bisulfite and ...  
WO/2017/216438A1
The present invention relates to a method for preparing microfibril cellulose, which comprises the following steps: preparing a suspension of lignocellulosic fibres in water; enzymatic treatment of the suspension of lignocellulosic fibre...  
WO/2017/207872A1
The present invention relates to a novel process of splitting cellulosic material using an electromagnetic radiation and a process of producing ethanol from cellulosic material. The invention provides a cost effective and environmentally...  
WO/2017/209679A1
A mixing unit (201) for use in a mixing apparatus for mixing treatment media in liquid or gaseous state with a fiber suspension. The mixing unit is adapted to be arranged in a mixing chamber of the mixing apparatus and comprises at least...  
WO/2017/210079A1
This disclosure relates to improved packaging materials containing oxidized cellulose. More particularly, this disclosure relates to improved packaging materials containing oxidized cellulose exhibiting one or more of improved odor contr...  
WO/2017/209678A1
A mixing unit (1) for use in a mixing apparatus (2) for mixing treatment media in liquid or gaseous state with a fiber suspension, which apparatus comprises a housing defining a mixing chamber(3), at least one inlet (4a, 4b) for feeding ...  
WO/2017/205229A1
A process for individualizing (separating) trichome fibers from a trichome source, such as a leaf and/or a stem, and more particularly to a process for individualizing (separating) trichome fibers from a trichome source utilizing a chemi...  
WO/2017/200471A1
A plug screw feeder for transporting and compressing granular material in a transport direction and comprising a feed screw, which comprises a screw core and has a length, which is divided into a number of length sections, each of which ...  
WO/2017/189949A1
This disclosure relates to comestible products, digestive supplements, and meat meal products comprising comminuted Miscanthus plant fiber.  
WO/2017/178849A1
The present invention discloses the continuous process for production of cellulose pulp of very high whiteness from grass-like plant feedstock suitable for paper making. Process comprising the steps of: preparing the grass-like plant fee...  
WO/2017/165465A1
The present invention provides, inter alia, biocompatible porous structural materials made exclusively or almost exclusively from nanocellulose fibers (CNF), CNC, or bacterial cellulose, as well as processes for making and using provided...  
WO/2017/162918A1
Provided herein are polysaccharide derivatives substituted (a) at a degree of substitution (DS1) of at least 0.05 by a fluo-rescent group (FG) comprising a mono or polycyclic ring system comprising at least one heteroatom selected from N...  
WO/2017/160935A1
Bleaching methods and formulations for bleaching/delignification processes for chemical pulp are provided. The bleaching methods utilize peroxide and an organomanganese complex under aqueous caustic conditions, increasing bleaching effic...  
WO/2017/157658A1
The present invention relates to cellulose fiber materials containing 0.01 to 0.5 % by weight of ammonia compound comprising oxyalkyl radicals consisting of at least 3 carbon atoms which are biodegradable at a degree of at least 60% acco...  
WO/2017/127004A1
The present invention relates to an improved process for producing dissolving pulp from a hydrolysis-kraft cooking process. The new process make it possible to control pulp viscosity in an efficient way by adding hydrogen peroxide to a f...  
WO/2017/117023A1
Methods of forming crosslinked cellulose include mixing a crosslinking agent with cellulose mat fiber fragments composed of hydrogen-bonded cellulose fibers and having a solids content of about 45-95% to form a substantially homogenous m...  
WO/2017/112995A1
The present invention relates to an improved method for producing cellulose pulps with an increase in the quality and applicability of these pulps, especially in the properties of physical resistance and degree of drainability resistance...  

Matches 1 - 50 out of 5,543