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WO/2010/134357A1 |
Disclosed is a method for producing a cellulose nanofiber dispersion which is appropriately usable in producing composite materials with polymer materials that are soluble in organic solvents over a wide range. The method for producing a...
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WO/2010/134868A1 |
The present invention relates to a method of producing a cellulose based paper, the paper itself and the use thereof where the paper exhibits enhanced mechanical properties. The method involves providing a suspension of well dispersed mo...
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WO/2010/131088A1 |
The present invention relates to a new method for preparing microcrystalline cellulose, comprising a prior step of compaction of the cellulose before degradation of the glucose chains and obtaining the suitable degree of polymerization. ...
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WO/2010/127451A1 |
A method for producing crystalline sulphated cellulose II materials with relatively low degree of polymerization from spent liquors of sulphuric acid (H2SO4) hydrolysis of cellulose has been discovered. The method involves: 1) separating...
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WO/2010/116794A1 |
In the oxidation of a cellulose raw material with an oxidizing agent in the presence of an N-oxyl compound and a bromide and/or an iodide, a liquid waste produced in the oxidation is desalted by means of electrophoresis until the inorgan...
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WO/2010/116826A1 |
A cellulosic raw material is oxidized with an oxidizing agent in water in the presence of (1) an N-oxyl compound and (2) a bromide, an iodide, or a mixture thereof to prepare an oxidized cellulosic raw material, and the oxidized material...
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WO/2010/105357A1 |
A molecule possessing a primary or secondary amino group and an additional functionality capable of providing a novel or improved property to a cellulose material has been permanently attached to the cellulose material in aqueous media u...
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WO/2010/100126A1 |
The invention relates to a method for esterifying, etherifying, or silylating polysaccharide or derivatives thereof by means of an esterification reagent, etherification reagent, or silylation reagent in the presence of an ionic liquid, ...
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WO/2010/095304A1 |
An impaired nervous function repairing agent including a hydrogel of a polysaccharide derivative that has a complex elastic modulus 1 to 1000 N/m2 and a loss coefficient of 0.01 to 2.0 calculated at an angular velocity of 10 rad/sec usin...
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WO/2010/089948A1 |
Disclosed is a suspension of cellulose fibers which contains cellulose fibers, wherein the average fiber diameter of the cellulose fibers is less than or equal to 200 nm, the carboxyl group content of cellulose constituting the cellulose...
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WO/2010/070123A1 |
The invention relates to a novel method for the controlled hydrolysis of a polysaccharide in the solid state in the presence of an acidic gas such as NO2. The invention also relates to a novel method for obtaining oligosaccharides by dep...
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WO/2010/066905A1 |
A process for manufacturing surface modified cellulose nanofibers comprises the step of reacting a first amount of cellulose nanofibers having a diameter of about 2 nm to about 100 nm with a second amount of an alkoxysilane compound. The...
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WO/2010/060716A1 |
A process for producing a polysaccharide superabsorbent particulate including the process steps of bringing into contact a polysaccharide with a polyphosphate or a polyphosphoric acid as crosslinking agent in the presence of water to for...
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WO/2010/059825A1 |
Sugar solutions are obtained from polysaccharide enriched biomass by contacting biomass with water and at least one nucleophilic base to produce a polysaccharide enriched biomass comprising a solid fraction and a liquid fraction. The sol...
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WO/2010/055839A1 |
The composite compositions comprise a fibrous filler and at least a resin, a metal oxide or a flaked inorganic material, and are characterized in that the mean fiber diameter of said fibrous filler is 4-1000 nm. Said fibrous filler is pr...
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WO/2010/037986A1 |
The invention relates to a method for the silanisation of polysaccharides in a homogenous medium and in the presence of ionic liquids.
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WO/2010/031144A1 |
The present invention relates to a method for isolating proteins from a solution containing the proteins. The invention also relates to a method for the chromatographic separation of proteins. The present invention also relates to crossl...
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WO/2010/016611A1 |
A hydrogel and a preparation method thereof, the hydrogel including a polysaccharide having, at the side chain, a carboxyl group to which an amphiphilic side chain is bonded, an inorganic ion other than a calcium ion, and water. The hyd...
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WO/2010/017275A1 |
Absorbent products for feminine protection, for example sanitary pads, pantiliners or tampons, comprising a cationic modified guar gum. The guar gum is modified by a cationizing agent comprising an ammonium group, wherein the degree of s...
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WO/2009/016325A9 |
The invention relates to a novel method for preparing an oxidised cellulose compress that essentially comprises oxidising the compress with a hypohalite in the presence of an oxoammonium salt.
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WO/2010/014503A1 |
The present invention provides a process for treating biomass to produce sugars. The process is directed to decrystallizing cellulose by contacting biomass with an acid mixture comprising sulfuric acid and phosphoric acid at particular m...
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WO/2009/144372A1 |
The invention relates to a process for producing a pigment product from a cellulose derivative. According to the invention, a selected cellulose derivative containing at least one OH group is crosslinked by using a hydroxyl-active crossl...
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WO/2009/136601A1 |
A graft polymer in which an α-1,4-glucan side chain is bonded to the main chain of cellulose: wherein the terminal carbon atom at the 1-position of the α-1,4-glucan side chain is covalently bonded via an –NH- group to the carbon atom...
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WO/2009/134631A1 |
Methods are described for conversion of carbohydrate polymers in ionic liquids, including cellulose, that yield value-added chemicals including, e.g., glucose and 5-hydroxylmethylfurfural (HMF) at temperatures below 12OoC. Catalyst compo...
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WO/2009/134746A1 |
Carbohydrates having functional groups, such as carboxylic acid groups and methods of making such carbohydrates.
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WO/2009/132225A2 |
Tissue and other body structures may be protected using a hydrated composition made from free-flowing substantially collagen-free rehydratable polysaccharide particles and rehydratable polysaccharide sponges. Rehydration of the particles...
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WO/2009/127605A1 |
The invention relates to a dry or slurry process to prepare phosphate-crosslinked cellulose ethers from a cellulose starting material comprising the steps of adding an alkalizing agent to the cellulose starting material to achieve mercer...
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WO/2009/122953A1 |
Disclosed are (1) a method for manufacturing a water soluble polyuronate having good biodegradability, comprising a step for oxidizing a powdered cellulose having low crystallinity and a crystallization degree of 30% or less, (2) a polym...
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WO/2009/121926A1 |
A method of improving a strength property of a sheet-formed fibrous material formed from an aqueous slurry of cellulose fiber, comprising coating at least one face of the material with a coating formulation comprising a or consisting of ...
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WO/2009/122982A1 |
Paper improved in air impermeability and smoothness is produced using a papermaking additive which comprises cellulose nanofibers whose aqueous dispersion having a concentration of 2% (w/v) has a Brookfield viscosity (60 rpm, 20°C) of 5...
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WO/2009/115075A1 |
A method for the depolymerization of cellulose is claimed, wherein a solution of cellulose in an ionic fluid is brought in contact with a solid acid as a catalyst. The cellulose can be depolymerized within a short reaction time, wherein ...
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WO/2009/114843A1 |
Embodiments of the present invention overcome the well-known recalcitrance of lignocellulosic biomass in an economically viable manner. A process and a system are provided for the efficient fractionation of lignocellulosic biomass into c...
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WO/2009/107795A1 |
Disclosed is a method for modifying a cellulose while preventing the reduction of its molecular weight. The method involves the step of oxidizing an alkali-treated cellulose or a regenerated cellulose in a neutral or acidic reaction solu...
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WO/2009/106687A1 |
A transglycosylation product, a method of producing the same and use of the product. The transglycosylation product comprises an alkyl or hydroxyalkyl glycoside of a cellulose ester or ether, wherein the alkyl or hydroxyalkyl groups of t...
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WO/2009/084566A1 |
Disclosed is a process for producing a cellulose nanofiber by using a 4-hydroxy TEMPO derivative which is more inexpensive than TEMPO. Also disclosed is a process for producing a cellulose nanofiber homogeneously within a short period. S...
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WO/2009/069641A1 |
Disclosed is a process for producing a cellulose nanofiber, which is characterized by comprising the following steps: an oxidation treatment step of oxidizing a natural cellulose in a neutral or acidic reaction solution containing an N-o...
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WO/2009/046283A1 |
An apparatus for treating plant biomass is described herein. Generally, the apparatus includes a pressurizable vessel and a heating element in thermal communication with the vessel. Also described herein are methods of treating plant bio...
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WO/2009/030950A1 |
A process is described for the preparation of water-soluble cellulose hydrolysis products, which comprises admixing cellulose with an ionic liquid capable of solvating or dissolving at least some of the cellulose, said ionic liquid being...
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WO/2009/030949A1 |
A process is described for the preparation of water-soluble cellulose hydrolysis products The process comprises admixing cellulose with an ionic liquid capable of solvating or dissolving at least some of the cellulose, said ionic liquid ...
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WO/2009/024617A1 |
In a mixer, in particular tumble mixer, the components which are to be mixed frequently still have to be dried during the mixing operation, for which reason wall regions of the mixer are air-permeable for the blowing in of drying air. In...
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WO/2009/025354A1 |
Disclosed is a process for producing a silane-modified cationized cellulose having excellent dispersibility in water, which comprises the following steps: (1) cationizing a water-soluble cellulose ether in a mixed solvent of a water-comp...
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WO/2009/021687A1 |
The present invention provides novel nanoscale cellulose particles and also a process for their production. The cellulose-based particles obtained have volume -averaged particle sizes of less than 300 nm. These nanoparticles are produced...
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WO/2009/021701A2 |
The invention relates to a method for the preparation of a polymer hydrogel, comprising cross-linking a precursor comprising a hydrophilic polymer optionally in combination with a second hydrophilic polymer, using a polycarboxylic acid a...
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WO/2009/021688A1 |
The present invention provides novel nanoscale cellulose particles and also a process for their production. The cellulose-based particles obtained have volume-averaged particle sizes of less than 300 run. These nanoparticles are produced...
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WO/2009/022358A1 |
The invention relates to a method for the preparation of a superabsorbent polymer hydrogel, comprising crosslinking a precursor comprising a carboxymethylcellulose salt optionally in combination with hydroxyethylcellulose, using citric a...
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WO/2009/020239A1 |
Disclosed is a gas barrier material containing cellulose fibers having an average fiber diameter of not more than 200 nm. The cellulose constituting the cellulose fibers has a carboxyl group content of 0.1-2 mmol/g. By coating a base wit...
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WO/2009/018709A1 |
The method comprises placing the ligneous cellulose biologic materials into alkali aqueous solution, fast heating up to 329-367ºC and obtaining the completely dissolved ligneous cellulose biologic materials in 0.7-2 seconds. Because of ...
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WO/2008/140048A1 |
It is intended to provide a substance having a chemical structure useful for a novel photoelectric converter, preferably a substance having a photoelectric efficiency equal to or greater than that of conventional photoelectric conversion...
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WO/2008/104651A1 |
The invention relates to a method for functionalising carbohydrates, that comprises at least one step during which the carbohydrates react with an oxidising agent in the presence of a copper-phenanthroline complex. The invention more par...
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WO/2008/098036A1 |
The present invention provides methods for the thermolysis of lignocellulosic materials, such as wood, cellulose, lignin, and lignocellulose. In specific embodiments, the methods comprise combining the lignocellulosic material with an io...
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