Matches 1 - 50 out of 158 1 2 3 4 >


Match Document Document Title
8153782 Reformation of ionic liquids  
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...
8148518 Cellulose esters and their production in carboxylated ionic liquids  
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...
8133990 6-position highly acetylated cellulose diacetate and process for producing the same  
Disclosed is a cellulose diacetate comprising a 6-position highly acetylated cellulose diacetate having a 6-percent viscosity of 40 to 600 mPa·s, and having a total degree of acetyl substitution ...
8026357 Cellulose acylate film and its applications  
A cellulose acylate film, comprising a cellulose acylate having at least one substituent (Substituent A) comprising an aromatic group having at least one C4 or longer aliphatic group, is disclosed.
7943761 Cellulose based optical film material and method for forming the same  
The present invention discloses a cellulose based optical film material with the following structure: wherein R1 is —H or —C(O)R4, R4 is alkyl or aryl; R2 is —C(O)R5, R5 is alkyl or aryl; R3 compr...
7863439 Cellulose ester having improved stability to wet heat  
The present invention provides a cellulose ester in which heat resistance under wet condition is compatible with both releasability and spinnability even when the amount of the residual solvent is...
7745615 Cellulose ester and production method thereof  
Cellulose ester and film thereof useful for remarkably improving optical properties, e.g., optical isotropy. The cellulose ester has a degree of substitution from 2.90 to 2.965, a total of degrees...
7671193 Method for adjusting the degree of substitution with acetyl group of cellulose acetate  
A process for adjusting an intermolecular or intermolecular degree of acetyl substitution of cellulose acetate is disclosed. The process comprises ripening cellulose acetate in the presence of a...
7662801 Biodegradable oxidized cellulose esters  
The present invention relates to the preparation of a series of oxidized cellulose esters suitable for use as a drug carrier in the development of biodegradable controlled and/or sustained release...
7649089 Biodegradable oxidized cellulose esters and their uses as microspheres  
A new cellulose excipient, OCCAE, suitable for use as a binder, filler, and/or disintegrant in the development of solid dosage forms and as a bodying agent or a drug carrier in the preparation of...
7559986 Phase difference plate comprising polymer film containing compound having rod-shaped molecular structure  
A phase difference plate which comprises one sheet of polymer film containing a compound having a rod-shaped molecular structure and exhibiting a maximum absorption wavelength (λmax) of less than ...
7439353 Process for manufacturing cellulose molding, plant component extracting apparatus, and process for producing cellulose acetate  
This invention relates to a process of manufacturing a cellulose molding, a plant component extracting apparatus and a process of manufacturing cellulose acetate. In one embodiment of the...
7250201 Production method of cellulose film, cellulose film, protective film for polarizing plate, optical functional film, polarizing plate, and liquid crystal display  
A production method of cellulose film wherein cellulose film is produced by preparing a polymer solution through dissolving cellulose ester in a solvent containing a prescribed organic solvent as...
7208592 Process for alkali saponification of cellulose ester film surface  
A process for alkali saponification of polymer film is disclosed. The process comprises the steps of applying solution of an alkali onto a polymer film having a temperature of not lower than room...
7189464 Cellulose acylate film and producing method thereof  
In a multi-layer structure of a cellulose acylate film, the averaged degree of acylation of surface layers is controlled in the range of 0.5 to 2.8 by mixing several sorts of cellulose acylates...
7148344 Method for producing cellulose acetate film  
Using the dope containing the following cellulose acetate (1), (2), or (3), a film is prepared by the casting process: (1) a cellulose acetate having carboxyl groups binding to at least one member...
7122660 Cellulose acetate and dope containing the same  
Using the dope containing the following cellulose acetate (1), (2), or (3), a film is prepared by the casting process: (1) a cellulose acetate having carboxyl groups binding to at least one member...
7019130 Cellulose acetate film having controlled retardation and thickness  
A cellulose acetate film is made of a cellulose acetate having an acetic acid content of 59.0 to 61.5%. The film is controlled to have a Re retardation value in the range of 0 to 20 nm, a Rth...
6984731 Process for manufacturing cellulose acetate  
The invention provides a process for manufacturing at low cost cellulose acetate, which is useful as a biodegradable plastic, using corncob meal which has hitherto been thrown away as a raw...
6984730 Cellulose acylate and solution thereof  
A cellulose acylate which is a polymer obtained by substituting cellulose with acyl groups in 2-, 3-, 6-positions. The total degree of acyl substitution in the 2- and 3-positions is regulated to...
6924010 Low solution viscosity cellulose triacetate and its applications thereof  
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...
6852852 Method of producing regioselectively substituted esters of oligo- and polysaccharides  
A method of producing a cellueose ether that is predominantly substituted in the C2 position of the anhydroglucose unit of the cellulose is described. The regioselectively substituted saccharide...
6835828 Alkylene oxide modified hardwood cellulose  
Disclosed is a process for producing reactive cellulose for use in the manufacture of cellulose acetate having superior clarity by mercerizing hardwood cellulosic material and reacting it with an...
6803458 Cellulose acetates and process for producing the cellulose acetates  
The present invention provides a cellulose acetate satisfying at least one requirement selected from the following requirements (A), (B) and (C), provided that the case where (B) alone is satisfied...
6800754 Method for producing cellulose sulfoacetate derivatives and products and mixtures thereof  
A method for directly producing a mixture of cellulose sulfoacetate derivatives by esterification of cellulosic material, characterized in that it comprises the following steps i) the cellulosic...
6773497 Cellulose acylate film and method of producing thereof  
A cellulose acylate film formed from a solution of cellulose acylate contains a solvent of the solution at 0.1-0.6 wt. %, and acids at less than 500 ppm. The solvent is composed of at least one of...
6746732 Triacetyl cellulose film with reduced water transmission property  
Disclosed is a triacetyl cellulose film comprising (a) an unsubstituted triphenyl phosphate compound and (b) a lower alkyl-substituted triphenyl phosphate ester compound. Such a film exhibits a...
6712896 Cellulose ester film, optical film, polarizing plate, optical compensation film and liquid crystal display  
A cellulose ester film comprises (a) an ultraviolet absorbent polymer having at least one of repeating units represented by formulae (1) and (2) and repeating units having ultraviolet absorbent...
6683174 Cellulose triacetates and methods for producing the cellulose triacetates  
The present invention provides a cellulose triacetate which exhibits a satisfactory filtration performance Thus, the present invention provides a cellulose triacetate whose occlusion constant (K)...
H002083 Cellulose acetate film for use in liquid crystal displays  
A liquid crystal device having a plurality of pixel electrodes for transmitting light, a first panel having an activation portion for selectively activating the plurality of pixel electrodes, an...
6624299 Process for producing cellulose acetate  
A process for producing cellulose acetate by acetylation reaction with cellulose as a raw material, wherein acetate is used as an acetylating agent.
6602451 Wooden material and manufacturing method therefor  
A wooden material is made by bonding together with a binder resin, ozonized wood elements obtained by acetylating wood elements and then ozonizing the acetylated wood elements.
6548660 Producing method of cellulose polymer  
A producing method of a cellulose polymer powder is provided, which comprises dissolving a cellulose polymer by exposure to an organic solvent containing, as the main component, an ester-based...
6528644 Acetoacetylated saccharides and process of making the same  
A product of acetoacetylated saccharide and the process of making such a product. The process is enzymatic where an enzyme is used as a catalyst for the reaction. The enzymatic process provides...
6489468 Regioselectively substituted esters of oligo- and polysaccharides and a method of producing them  
A regioselectively substituted member selected from the group consisting of oligo-saccharide ester and polysaccharide ester is disclosed. The ester has a partial average degree of substitution AS...
6455512 Water-soluble esterified hydrocolloids  
Emulsifiers based on the reaction product of hydrocolloid and dicarboxylic anhydrides, especially useful in the preparation of oil-in-water emulsions.
6407224 Catalytic system for cellulose acylation process for producing said catalytic system, and for its practical application  
A catalytic system for cellulose acylation includes an adduct of sulfuric acid with N,N-dimethylacetamide, free sulfuric acid or free N,N-dimethylacetamide with the following mole ratio of the...
6358919 Polymer compounds comprising glycosphingosine  
A polymer compound or a salt thereof which comprises a biodegradable polymer such as polyglutamic acid acetylated at N-terminal thereof containing a glycosphingolipid such as lysoganglioside GM3,...
6320042 Polarizing plate protective cellulose triacetate film  
A cellulose triacetate film characterized in being comprised of cellulose triacetate which is prepared by employing cotton liter as the raw material, having a value of weight average molecular...
6211358 Method for preparing solution of cellulose acylate method for producing cellulose acylate film and cellulose acylate film  
A method for preparing a solution of cellulose acylate is disclosed. The method comprises comprising the steps of (1) chilling an organic solvent containing no chlorinated organic solvent at a...
6160111 Process for preparing cellulose esters using a sulfonic acid resin catalyst  
The present invention relates to a process for preparing cellulose esters having a total DS/AGU of 0.1 to 3.0, said process comprising contacting the following: (i) a cellulose material, (ii) a...
6139785 Cellulose ester composition  
The present invention provides a cellulose ester composition, containing 1 to 99% by weight of cellulose triacetate prepared by substituting hydroxyl groups of cellulose with acetyl and having a...
6083498 Chemical attractants for yellowjackets and paper wasps  
Compositions and lures are described which provide vapor blends of acetic acid and one or more compounds selected from the group consisting of isobutanol, racemic 2-methyl-1-butanol,...
5990304 Cellulose acetate excellent in physical strength, and process for production thereof  
An object of the invention is to obtain cellulose acetate with improved physical properties, particularly film strength arid improved flexibility of the molded product. Cellulose acetate wherein...
5981741 Aminated acetate fiber  
Disclosed are aminated acetate fiber comprising acetylcellulose and one or more water-insoluble quaternary starch ether esters, said starch ether esters containing ester groups of formulae...
5981738 UV curable cellulose esters  
The present invention relates to a modified cellulose ester containing unsaturated pendent groups which can be prepared by reacting a cellulose ester containing residual hydroxyl groups with, for...
5977346 Fatty acid ester of cellulose, cellulose diacetate and processes for the preparation thereof  
A fatty acid ester of cellulose having excellent transparency, filterability and spinnability in spite of its high content of mannose and xylose, wherein the total molar content of mannose and...
5977348 Polysaccharide modification in densified fluid  
This invention relates to a process for chemically modifying polysaccharides in a densified fluid. In particular, the modification includes esterification and/or etherification of a starch in...
5962677 Cellulose acetate with high moldability and process for production thereof  
Cellulose acetate having a high moldability and low solution viscosity in spite of having a high average degree of polymerization is obtained. The low molecular weight components of cellulose...
5928613 Apparatus for acetylating cellulose  
In a production process of a cellulose acetate which comprises (a) a reduced pressure-acetylation step of acetylating a cellulose under a reduced pressure in the presence of sulfuric acid or other...
Matches 1 - 50 out of 158 1 2 3 4 >