Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 5,519

Document Document Title
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/2018/049517A1
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...  
WO/2017/105337A1
The present invention relates to a method for manufacturing nanocellulose comprising the steps of: a) providing a cellulose-containing material wherein the cellulose-containing material contains less than 20 wt.% water, b) contacting the...  
WO/2017/105322A1
The present invention relates to an improved process for producing dissolving pulp from a sulfite cooking process using a TCF bleaching sequence containing alkali extraction and alkaline peroxide bleaching in the pulp bleaching. The new ...  
WO/2017/105618A1
A method for treating pulp through oxygen delignification and ozone bleaching is disclosed. The method uses a modified oxygen recovery unit which separates a mixture of oxygen and ozone thereby generating a stream of ozone and a stream o...  
WO/2017/100138A1
The invention relates to methods of dewatering of whole stillage derived from a fermentation product production process using yeast-degrading enzymes.  
WO/2017/100299A1
In some embodiments, a method may include treating pulp in pulp and paper mills. The methods may include providing a peracetate oxidant solution and generating a reactive oxygen species. The peracetate solution may include peracetate ani...  
WO/2017/091129A1
The invention relates to an improved oxygen delignification stage located between 2 wash positions (W1, W2) in a fiberline producing bleached qualities of cellulose pulp. The inventive method and system divide the oxygen stage into at le...  
WO/2017/082395A1
Provided is a method for dehydrating a dispersion of a chemically modified pulp (oxidized pulp, carboxymethylated pulp, or cationized pulp) obtained by chemically modifying a pulp feedstock, characterized by dehydrating the dispersion of...  
WO/2017/078084A1
In order to provide cellulose nanofibers which are reduced in foreign-matter content and have high transparency, a cellulose nanofiber dispersion is filtered by a filtration method that comprises a step in which the cellulose nanofiber d...  
WO/2017/060565A1
A bleaching apparatus comprises a measurement chamber has a first substance, the amount of the first substance in the measurement chamber being known. A dosing unit inputs a second substance to the measurement chamber for causing a chemi...  
WO/2017/058980A3
Various processes are disclosed for producing nanocellulose materials following steam extraction or hot-water digestion of biomass. Processes are also disclosed for producing nanocellulose materials from a wide variety of starting pulps ...  
WO/2017/055504A1
The present invention relates to compositions for use in an aqueous pulp bleaching process, comprising one or more alkaline earth metal oxides and/or one or more alkaline earth metal hydroxides; one or more alkaline earth metal salts; an...  
WO/2017/053564A1
An especially robust compound and its derivative metal complexes that are approximately one hundred-fold superior in catalytic performance to the previously invented TAML analogs is provided having the formula (I) wherein Y1, Y2, Y3 and ...  
WO/2017/051030A1
The present invention provides for a process for producing dry, water-dispersible, non-surface modified nanocellulose particles or a powderous composition r comprising said particles comprising the steps of: i. providing a first suspensi...  
WO/2017/048171A1
A washing arrangement for washing and dewatering cellulose pulp, comprising a rotary drum (5) with a plurality of external compartments (6) on the drum for the pulp to be washed, which compartments are defined by axial compartment walls ...  
WO/2017/046455A1
In a method for producing nanofibrillar cellulose starting from cellulose pulp (P), where cellulose is in native form, the cellulose pulp is prebeaten by circulating it in form of aqueous suspension of fibres through a refining gap (G) f...  
WO/2017/044030A1
The present invention relates to a novel sulfite dissolving pulp suitable for high tenacity applications having: a) a viscosity of 700-1000 ml/g; b) a R18 value of 93-95.5%; c) a R10 value in of 92-94%; d) a PD of 9-15; e) a proportion o...  
WO/2017/037349A1
Method of dewatering nanocellulose and other water soluble of hydrophilic polymers. The method comprises providing an aqueous suspension formed by nanocellulose in water, said nanocellulose having free hydroxyl groups; mixing the aqueous...  
WO/2017/033125A1
Method for producing microfibrillated cellulose(MFC), wherein the method comprising the steps of: Pre-treating of chemical pulp, such that, the pulp reaches a Schopper-Riegler (SR) value above 50, and refining the pulp, at a consistency ...  

Matches 1 - 50 out of 5,519