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| Number | Title | Issue Date |
| 7879994 | Cellulose interpolymers and method of oxidation 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 acid numbers wherein the carbox... | 02/01/2011 |
| 7413662 | Preparation and use of sorptive lignocellulosic material for decontamination of fluid and aqueous media 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 preparation of the sorptive material. T... | 08/19/2008 |
| 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 the main component, forming a filmy object from the prepared polymer s... | 07/31/2007 |
| 7208205 | Optical film and liquid crystal display using the same A film for a liquid crystal display comprising a fatty acid cellulose ester film having an acetyl group and a propionyl group is disclosed. Sum of degree of acetyl substitution (DSac) and degree of propionyl substitution (DSpr) of the fatty acid cellulose ester film... | 04/24/2007 |
| 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 having different averaged degrees of acyation. One of the surface layers... | 03/13/2007 |
| 7184112 | Polarizing plate having cellulose ester films on opposite sides thereof and liquid crystal display employing the same A polarizing plate used in a vertical alignment mode liquid crystal display comprising a liquid crystal cell is disclosed, wherein the polarizing plate comprises a polarizing film and a mixed fatty acid cellulose ester film with optical biaxiality provided between t... | 02/27/2007 |
| 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 selected from the group consisting... | 10/17/2006 |
| 7116209 | Strain gauges The present invention provides a strain gauge comprising a resistive layer. The resistive layer comprises metallic or semiconducting nanoparticles or aggregates thereof in which the nanoparticles or aggregates thereof are separated by insulating and/or semiconductin... | 10/03/2006 |
| 7038744 | Polarizing plate having a stretched film on a side thereof and liquid crystal display employing the same A polarizing plate used in a vertical alignment mode liquid crystal display comprising a liquid crystal cell is disclosed, wherein the polarizing plate comprises a polarizing film and a mixed fatty acid cellulose ester film with optical biaxiality provided between t... | 05/02/2006 |
| 6897303 | Process for producing cellulose acylate film A cellulose acetate film is produced from a solution of a cellulose acylate in a mixed solvent. The mixed solvent comprises a main solvent and an alcohol. The mixed solvent essentially does not contain chlorine atom. The main solvent comprises an ester and a ketone.... | 05/24/2005 |
| 6730374 | Triacetyl cellulose film with reduced water transmission property Disclosed is a triacetyl cellulose film comprising (a) a triphenyl monophosphate compound and (b) an aromatic polyol-bridged polyphosphate compound. Such a film exhibits a reduced rate of water vapor transmission. ... | 05/04/2004 |
| 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 structures represented by formulae (3), (4) and (5), (b) an ultraviolet ... | 03/30/2004 |
| 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 components: adduct:1.0; free sulfuric acid, max:0.49; or free ... | 06/18/2002 |
| 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 temperature of from -100° C. to -10° C., (2) mixing cellulos... | 04/03/2001 |
| 6184373 | Method for preparing cellulose acetate fibers A method for producing an organic cellulose derivative fibrillated fiber includes the steps of mixing a cellulose ester containing stream and a coagulant stream in a first zone of relatively moderate turbulence to produce a slurry containing cellulose est... | 02/06/2001 |
| 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 solubilizing amount of a solvent system comprising a carboxamide ... | 12/12/2000 |
| 5977347 | Cellulose acetate propionate Cellulose acetate propionate is a cellulose ester wherein hydroxyl groups of cellulose are substituted with acetyl and propionyl. Cellulose acetate propionate of the present invention has an amorphous index (Am) of 0.01 to 0.10. The present invention also... | 11/02/1999 |
| 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 xylose accounts for at least 7% of that of glucose, mannose an... | 11/02/1999 |
| 5976598 | Physically coated cellulose as low calorie flour replacements Particulate cellulosic material such as microcrystalline cellulose, -cellulose, and/or cellulose acylated with C2 to C24 aliphatic acids to a degree of substitution of about 0.05 or less, and mixtures thereof, are physically c... | 11/02/1999 |
| 5973139 | Carboxylated cellulose esters A process for preparing a carboxylated cellulose ester from oxidized cellulose is described. The carboxylated cellulose esters have improved solvent solubility and coating resin compatibility when compared to cellulose esters made from regular grade cellu... | 10/26/1999 |
| 5906852 | Surface-modified cellulose as low calorie flour replacements Cellulose is surface-modified by coating and/or acylation with C2 to C24, in some cases primarily C6 to C22, or more narrowly C16 to C20, aliphatic acids, to obtain cellulose esters exhibit... | 05/25/1999 |
| 5856468 | Cellulose acetate propionate, solution thereof and cellulose acetate propionate film Cellulose acetate propionate is a cellulose ester wherein hydroxyl groups of cellulose are substituted with acetyl and propionyl. Cellulose acetate propionate of the present invention has an amorphous index (Am) of not more than 0.4. Cellulose acetate pro... | 01/05/1999 |
| 5750677 | Direct process for the production of cellulose esters 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 solubilizing amount of a solvent system comprising a carboxamide ... | 05/12/1998 |
| 5723600 | Method for incorporating cellulose esters into cellulose by immersing cellulose in an acid-dope solution A method for treating cellulose with cellulose ester for use in various paper products involves reacting cellulose and an acid anhydride to form a cellulose ester-carboxylic acid solution. Acetic anhydride may be used as the acid anhydride, and a cellulos... | 03/03/1998 |
| 5723151 | Cellulose acetate phthalate enteric coating compositions Provided are enteric coating compositions which utilize a low viscosity cellulose acetate phthalate polymer as a film former. The cellulose acetate phthalates have an inherent viscosity of about 0.2 to 0.6 dL/g and phthalyl values of from 30 to 40% and ca... | 03/03/1998 |
| 5717087 | Thermoplastic and biodegradable polysaccharide esters/polysaccharide ether esters containing maleic acid addition product groups The present invention relates to thermoplastic and biodegradable polysaccharide esters/polysaccharide ether esters, which are characterised in that they can be represented by the general structure ##STR1## wherein Polysaccharide-O represents the subs... | 02/10/1998 |
| 5674999 | Process for preparing readily dispersible water-soluble cellulosic polymers An improved process for surface treating water soluble cellulosic polymers with crosslinking agents to provide products which are more readily dispersible in cold water, and have longer viscosity delay times than can be achieved with polymers treated in l... | 10/07/1997 |
| 5637572 | Use of 4'-iodo-4'-deoxydoxorubicin for the treatment of amyloidosis The use of 4'-iodo-4'-deoxydoxorubicin and its pharmaceutically acceptable salts in the treatment of amyloidosis is described.... | 06/10/1997 |
| 5604207 | Sialyl Lex analogues as inhibitors of cellular adhesion The inventive compounds are analogues of sialyl Lex that inhibit cellular adhesion between a selectin and cells that express sialyl Lex on their surfaces, and their synthetic intermediates. An inventive compound has structure A, ... | 02/18/1997 |
| 5523398 | Cellulose derivatives with a low degree of substitution The invention is directed to the formation of cellulose derivatives using homogenous phase reaction conditions. Cellulose is dissolved using DMAc/LiCl and a reagent system is added to promote the acylation of an appropriate acid anhydride or free carboxyl... | 06/04/1996 |
| 5521304 | Cellulose acetoacetate esters Water soluble or water-dispersible cellulose acetoacetate esters are prepared by contacting a cellulose material with diketene, an alkyl acetoacetate, 2,2,6-trimethyl-4H-1,3-dioxin-4-one or a mixture thereof and a carboxylic anhydride in a solvent system ... | 05/28/1996 |
| 5488102 | Polymerisable carbohydrate esters, polymers therefrom and their use Compounds of formulae I and Ia R--Y--CO--R3 --CO--O--A (I), R--Y--CO--R3 --CO--O--CH2 --A1 (Ia), wherein R is a radically polymerisable hydrocarbon group, R3 is a direct bo... | 01/30/1996 |
| 5474765 | Preparation and use of steroid-polyanionic polymer-based conjugates targeted to vascular endothelial cells This invention discloses new targeted conjugates for the delivery of a compound, and particularly, a steroid, to vascular endothelial cells. The conjugates comprise two components, preferably linked by a selectively-hydrolyzable bond, such as an acid-labi... | 12/12/1995 |
| 5420261 | Glycosides of 3'-deoxyaquayamycin antibiotics Two novel glycosides of 3'-deoxyaquayamycin isolated from an antimicrobial complex produced in fermentation under controlled conditions using a biologically pure culture of the microorganism Streptomyces sp. SCC 2136, ATCC 55186 are disclosed.... | 05/30/1995 |
| 5371211 | Cellulose esters and salts thereof Cellulose esters of polycarboxylic acids, and their salts, such as the hydrogen cellulose ester of succinic acid, and the potassium salts thereof, are known to be useful in the preparation of conductive layers in composite such as photographic films. This... | 12/06/1994 |
| 5292876 | Mixed cellulose esters Disclosed are novel species of cellulose acetate butyrates and propionates that have significant surface activity. The cellulose acetate butyrate/propionate contains 9-16 wt. % butyryl or propionyl, 6-11 wt. % acetyl, and 12-15 wt. % hydroxyl.... | 03/08/1994 |
| 5242901 | Reduction of anthracycline induced cardiotoxicity Disclosed is a method for preventing cardiotoxicity in a human in need of such preventive treatment, the method including administering an effective amount of a bisdioxopiperazine. Also disclosed is a method for preventing cardiotoxicity induced by the ad... | 09/07/1993 |
| 5194663 | Aromatic derivatives of butyric acid, a process for their preparation and their use in cosmetics and in human and veterinary medicine An aromatic derivative of butyric acid has the formula ##STR1## These aromatic derivatives of butyric acid are useful in human and veterinary medicines as well as in cosmetic compositions.... | 03/16/1993 |
| 5175276 | Process for the production of cellulose ester fibrets An improved process for the production of cellulose ester fibrets wherein a thickened slurry of the fibrets in a liquid mixture of a solvent for the fibrets and a fibret non-solvent is contacted with saturated steam in the separation of the solvent from t... | 12/29/1992 |
| 5142034 | Cellulose ester compositions and process for the preparation thereof Process for reducing the degree of substitution of cellulose esters employing Lewis acids as solvolysis promoters is disclosed. Novel low degree of substitution cellulose esters produced by the invention process are also described.... | 08/25/1992 |
