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Patent Searching and Data


Matches 101 - 150 out of 1,166

Document Document Title
WO/2009/149328A2
A method of monitoring the evolution of polymer and/or colloid stimuli responsiveness during synthesis of polymers and/or colloids, including postpolymerization modifications on natural and synthetic polymers, includes providing a reacto...  
WO/2009/144373A1
The invention relates to a process for producing a pigment product based on a cellulose ester. According to the invention, a cellulose ester derivative is dissolved in a suitable solvent to form a solution, a non-solvent is added to the ...  
WO/2009/134736A2
Irradiated lignocellulosic or cellulosic materials are provided which contain carboxylic acid groups and/or other functional groups not present in a naturally occurring cellulosic or lignocellulosic material from which the irradiated mat...  
WO/2009/134736A3
Irradiated lignocellulosic or cellulosic materials are provided which contain carboxylic acid groups and/or other functional groups not present in a naturally occurring cellulosic or lignocellulosic material from which the irradiated mat...  
WO/2009/123148A1
Provided are hydrophilic cellulose derivative fine particles having small particle diameters; fluid dispersions of the particles and solid dispersions thereof; and diagnostic drugs which comprise hydrophilic particles and which are excel...  
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...  
WO/2009/102306A1
Ionic liquids and cellulose ester compositions and processes for producing ionic liquids and cellulose esters. Cellulose esters can be produced by esterifying cellulose in a reaction medium comprising one or more halide ionic liquids and...  
WO/2009/102307A1
Ionic liquids and cellulose ester compositions and processes for producing ionic liquids and cellulose esters. Cellulose esters can be produced by subjecting a cellulose-ionic liquid solution comprising cellulose, one or more ionic liqui...  
WO/2009/102305A1
Ionic liquids and cellulose ester compositions and processes for producing ionic liquids and cellulose esters. Cellulose esters can be produced by esterifying cellulose in a reaction medium comprising one or more ionic liquids. Cellulose...  
WO/2009/029220A1
The present invention relates to cellulose esters having low hydroxyl content for use in optical applications, such as liquid crystal display (LCD) films. Films made with low hydroxyl levels and a given ratio of non-acetyl ester to hydro...  
WO/2009/024292A1
The present invention relates to a process for generating hydrogen and also to a hydrogen generator based on a hydrogen-containing compound and a solvent in which the hydrogen is liberated in a reactor which is spatially separated from t...  
WO/2009/021701A3
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...  
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...  
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...  
WO/2008/136512A1
It is intended to provide a complex obtained by reacting a polymer compound derivative obtained by modifying a part of hydroxy groups or amino groups of a polymer compound having hydroxy groups or amino groups with a compound represented...  
WO/2008/100566A1
Ionic liquids and cellulose ester compositions and processes and apparatus for producing ionic liquids and cellulose esters. Cellulose esters can be produced by dissolving cellulose in carboxylated ionic liquids and thereafter contacting...  
WO/2008/100569A1
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/2008/098037A3
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/2008/098037A2
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/2008/081257A3
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/2008/081257A2
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/2008/057993A2
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/2008/053820A1
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/2008/036452A3
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/2008/036452A2
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/2008/018279A1
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/2008/000666A1
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/2007/144282A1
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/2007/135245A1
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/2007/136472A1
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/2007/129722A1
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/2007/108347A1
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/2007/105399A1
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/2007/087100A2
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/2007/072995A1
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/2007/072643A1
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/2007/070135A1
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/2006/138125A3
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/2006/127830A1
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/2006/121060A1
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/2006/116367A1
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...  
WO2005111184A3
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...  
WO2006058625A3
The invention relates to novel anionic cellulose nitrate derivatives and aqueous dispersions containing said anionic cellulose nitrate derivatives.  
WO2006072119A3
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/2006/073064A1
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/2006/072119A2
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/2006/066586A1
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/2006/068611A1
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/2006/058625A2
The invention relates to novel anionic cellulose nitrate derivatives and aqueous dispersions containing said anionic cellulose nitrate derivatives.  
WO/2006/033362A1
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 ...  

Matches 101 - 150 out of 1,166