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Patent Searching and Data


Matches 101 - 150 out of 681

Document Document Title
WO/2008/100569
Processes for recycling an ionic liquid comprising employing an initial ionic liquid as a solvent and/or reagent resulting in a modified ionic liquid and thereafter subjecting at least a portion of the modified ionic liquid to at least o...  
WO/2008/098037
The present invention provides wood derivatives and composite materials prepared by first solvating a lignocellulosic material using an ionic liquid. The solvated lignocellulosic material can be derivatized to incorporate functional grou...  
WO/2008/098037
The present invention provides wood derivatives and composite materials prepared by first solvating a lignocellulosic material using an ionic liquid. The solvated lignocellulosic material can be derivatized to incorporate functional grou...  
WO/2008/081257
Non-crosslinked derivatives of oligo/polysaccharides of formula I, wherein: X is OH, O M, NH-R1, O-R1; M is an alkaline or alkaline-earth metal, transition metal, or cation containing a quaternary nitrogen atom; Y is H or R2; R1: the res...  
WO/2008/081257
Non-crosslinked derivatives of oligo/polysaccharides of formula I, wherein: X is OH, O M, NH-R1, O-R1; M is an alkaline or alkaline-earth metal, transition metal, or cation containing a quaternary nitrogen atom; Y is H or R2; R1: the res...  
WO/2008/057993
A reactor for hydrolytic splitting of cellulose under high pressure and heat has an inlet and outlet each with a cross-sectional area smaller than the cross- sectional area of the reactor. The pressure and heat in the reactor forms a cel...  
WO/2008/053820
Disclosed is a method for esterifying a cellulose resin by an esterification reaction using an esterifying agent, which is characterized by using a vinyl ester as the esterifying agent. Also disclosed is a method for producing a modified...  
WO/2008/036452
A method of making cellulose ester polymer comprises the steps of: pre-treating a cellulose source; esterifying the pretreated cellulose source to form a cellulose ester; and optionally hydrolyzing the cellulose ester. The pretreatment s...  
WO/2008/036452
A method of making cellulose ester polymer comprises the steps of: pre-treating a cellulose source; esterifying the pretreated cellulose source to form a cellulose ester; and optionally hydrolyzing the cellulose ester. The pretreatment s...  
WO/2008/018279
This invention provides a polarizing plate protective film, which can be produced with high productivity, has polarization scattering anisotropy and has a brightness improving function, and a polarizing plate and a liquid crystal display...  
WO/2008/000666
The present invention describes a method for acylating polysaccharides or oligosaccharides in which a polysaccharide or oligosaccharide is dissolved in at least one ionic liquid and, in step A), is treated with at least one acid, optiona...  
WO/2007/144282
The present invention relates to a process for acylating poly-, oligo- or disaccharides, or derivatives thereof, by dissolving them in an ionic liquid and reacting them with a ketene, and to novel acylated poly-, oligo- or disaccharides,...  
WO/2007/135245
A method is presented for imparting microbiostatic properties to a polysaccharide or to a polysaccharide-containing product by introducing covalently bound carbamate groups in the polysaccharide chain. The polysaccharide may be in isolat...  
WO/2007/136472
The present invention refers to the use of screens comprising at least two layers of different mesh or pore size in a cellulose powder preparation method as well as to said method, wherein grinding the cellulose pulp and sieving the obta...  
WO/2007/129722
Disclosed is a modified glucan derivative (for example, a cyclic ester-modified cellulose acylate or the like) which is excellent in hydrolysis resistance and heat resistance. In a method for producing a hydroxy acid-modified glucan deri...  
WO/2007/108347
Disclosed is a cellulose acylate optical film characterized by mainly composed of a cellulose acylate containing at least one polymer derived from a monomer represented by a specific general formula, having an acyl group with three or mo...  
WO/2007/105399
Disclosed is a modified cellulose acylate (for example, a modified cellulose acetate), which is excellent in optical isotropy and suitably used for optical films and the like. Specifically disclosed is a hydroxy acid-modified cellulose a...  
WO/2007/087100
A process for the manufacture of cellulose esters is described. The process includes the steps of : pre- treating pulp for the removal of impurities with either caustic or acid or both, esterifying the pre- treated pulp, and recycling th...  
WO/2007/072995
Cellulose acylate grains having a heat quantity of crystalline fusion of at most 10 J/g. A film prepared by melt-casting the grains is free from the problem of yellowing when built in liquid-crystal display devices.  
WO/2007/072643
A cellulose ester film that excels in uniformity of retardation as an optical property, especially uniformity of retardation in the direction of film width, and further contrast; a process for producing such a cellulose ester film; and m...  
WO/2007/070135
The present invention relates to compounds which are capable of exerting an inhibitory effect on the Na+ glucose cotransporter SGLT in order to hinder glucose and galactose absorption, as well as on lipase thus reducing dietary triglycer...  
WO/2006/138125
A process for making cellulose acetate or cellulose esters which pretreats a wood pulp prior to acetylation or esterification is disclosed. The pretreatment of the wood pulp includes the mixture of wood pulp into a caustic solution to fo...  
WO/2006/127830
New methods of forming compounded cellulose esters are provided. The methods comprise mixing a cellulose ester, functional additive, and a swelling agent and subsequently removing at least a portion of the swelling agent. The swelling ag...  
WO/2006/121060
A process for producing beads for optical-isomer resolution which have a satisfactory separation efficiency. The beads for optical-isomer resolution comprise a polysaccharide derivative, wherein the polysaccharide derivative has a struct...  
WO/2006/116367
Cellulose mixed esters are disclosed having low molecular weights and low degrees of polymerization. These new cellulose mixed esters include cellulose acetate propionate and cellulose acetate butyrate. The esters exhibit solubility in a...  
WO/2006/073064
A cellulose acylate film, characterized in that at least one surface thereof has a contact angle of water of less than 55&ring , and a part or the whole of the hydroxyl groups of the cellulose is substituted with an acyl group having 3 o...  
WO/2006/072119
The invention relates to a method for acylating a material especially containing cellulose and/or hemicellulose and/or lignin. The aim of the invention is to acylate the material to a large extent, in mild reaction conditions, and to pro...  
WO/2006/066586
A modified sorptive lignocellulosic fibre material with hydroxyl groups on the lignocellu­losic fibres doubly modified by esterification with a combination of monocarboxylic and dicarboxylic acid ester groups. A process for the preparat...  
WO/2006/068611
A process for the modification of amines and alcohols, comprising (i) providing a substrate having amino groups or alcohol groups, wherein said substrate is, e.g., a polysaccharide; (ii) providing a modifying agent which is a lactone, an...  
WO/2006/058625
The invention relates to novel anionic cellulose nitrate derivatives and aqueous dispersions containing said anionic cellulose nitrate derivatives.  
WO/2006/033362
The invention provides a cellulose ester and a film which are useful in enhancing optical characteristics such as optical isotropy remarkably. A cellulose ester which has a total mean degree of substitution of 2.90 to 2.965, a sum total ...  
WO/2006/000582
The invention relates to novel water-soluble cellulose derivatives comprising a ligand capable of forming a complex with a polyvalent metal ion. The invention further pertains to a process of preparing such cellulose derivatives.  
WO/2005/111112
The present invention provides methods for the treatment or prevention of a viral, bacterial, or fungal infection using an anionic cellulose- or acrylic-based polymer, a prodrug thereof, or a pharmaceutically acceptable salt of said anio...  
WO/2005/111184
Composites of cellulose esters, plasticizer, a maleated compatibilizer and organically modified clay are described. The composites have superior tensile and flexural strengths, modulus, dimensional stability and heat deflection temperatu...  
WO/2005/111112
The present invention provides methods for the treatment or prevention of a viral, bacterial, or fungal infection using an anionic cellulose- or acrylic-based polymer, a prodrug thereof, or a pharmaceutically acceptable salt of said anio...  
WO/2005/090445
The invention relates to a water-soluble or water-dispersible matrix of polysaccharide that is modified under an electron beam by an organosilicon compound which is selected from among organosilanes and/or polyorganosiloxanes having at l...  
WO/2005/071161
A support based on cellulose fibres on which at least one organic molecule provided with an acid halide functional group able to create a covalent bond with the free OH functional groups of the cellulose after the release of the hydrogen...  
WO/2005/054297
This invention provides cellulose ester interpolymers, and methods of oxidizing cellulose interpolymers and cellulose ester interpolymers. The invention also provides routes to access carboxylated cellulose ester derivatives with high ac...  
WO/2005/022215
Phase shift films produced by subjecting films made from cellulose derivatives wherein hydroxyl groups are substituted with at least one kind of aliphatic acyl groups of 5 to 20 carbon atoms at a degree of substitution of 1 to 3 to orien...  
WO/2005/013926
The invention relates to a cosmetic composition, for skin make-up, lips, eyebrows or nails, comprising a liquid fatty phase and a cellulose or a liposoluble modified cellulose derivative in a cosmetically-acceptable medium, whereby said ...  
WO/2005/003270
The invention relates to an emulsion (E), comprising a hydrophobic phase (A) and an aqueous phase comprising an ampiphilic substituted hydrosoluble or hydrodispersable polysaccharide with one or more ester substituents and one or more si...  
WO/2004/083253
Cellulose mixed esters are disclosed having low molecular weights and low degrees of polymerization. These new cellulose mixed esters include cellulose acetate propionate and cellulose acetate butyrate. The esters exhibit solubility in a...  
WO/2004/083254
Carboxyalkylcellulose esters are disclosed having relatively low degrees of polymerization. These new carboxyalkylcelIulose esters include carboxymethylcellulose acetate, carboxymethylcellu lose acetate propionate, and carboxymethylcellu...  
WO/2004/076490
A cellulose ester which reconciles stability to wet heat with both of the ability to be released from a substrate in film formation by solution casting even when the amount of the residual solvent is small and spinnability. It is a cellu...  
WO/2004/054315
A material suitable for speaker cabinets which comprises a mixture of a synthetic resin with a powdery cellulosic material was developed while directing attention to powdery cellulosic materials, e.g., wood, having excellent material pro...  
WO/2004/050751
The invention is to provide an alkali saponification method for uniformly and stably saponifying a cellulose acylate film, to provide a surface saponified cellulose acylate film adapted for an optical compensation sheet for a large-sized...  
WO/2004/048417
Disclosed is acetylated wood which has an acetyl group content of 3 to 30 percent by weight and can be produced by reacting wood products with isopropenyl acetate at temperatures of 50 to 125 °C in the presence of 0.02 to 2 percent by w...  
WO/2004/027897
A film which slowly releases solids is prepared by dissolving cellulose in a solvent such as an alkali metal salt, for example L1Cl in a polar solvent such as DMAC, dispersing the solid in the solution and gelling the solution with water...  
WO/2003/099872
The invention relates to a method for the production of cellulose carbamate by reactive extrusion and for the production of moulded bodies from regenerated cellulose. The method for the production of cellulose carbamate is based on the a...  
WO/2003/095495
The invention relates to low solution viscosity cellulose triacetate and methods of making thereof. The invention also relates to films prepared from the low solution viscosity cellulose triacetate and articles containing the low solutio...  

Matches 101 - 150 out of 681