| Patents for C08B 13 - Preparation of cellulose ether-esters (380) |
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| 06/16/2010 | CN101735324A Carboxymethyl cellulose nitrate and preparation method thereof |
| 05/11/2010 | US7714124 Methods for modifying cellulosic polymers in ionic liquids |
| 05/05/2010 | CN101701051A Hydrogel with pH sensibility and temperature sensibility and preparation method thereof |
| 03/23/2010 | US7683038 Such as gellan, carboxymethylcellulose, pectic acid, pectin and hyaluronic acid derivativesl; for use in the pharmaceutical, biomedical, surgical and healthcare fields |
| 01/28/2010 | US20100022643 Gamma-hydroxybutyrate compositions containing carbohydrate, lipid or amino acid carriers |
| 01/27/2010 | EP1448604B1 Preparation method of solvent-free water-dispersible hydroxypropyl methyl cellulose phthalate nanoparticle |
| 01/07/2010 | WO2010001864A1 Cellulose derivative and process for production thereof, cellulose resin composition, molded article and method for production thereof, and housing for electrochemical device |
| 11/19/2009 | US20090286095 Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions |
| 09/30/2009 | EP0998498B1 Modified cellulose ethers |
| 09/08/2009 | US7585905 high maximum degree of substitution; exhibit superior compatibility when blended with other coating resins; yielding clear films with a wider range of coatings resins than do conventional cellulose esters |
| 08/27/2009 | US20090215890 Gamma-hydroxybutyrate compositions containing carbohydrate, lipid or amino acid carriers |
| 08/11/2009 | US7572605 1,2,3,tris(4-hydroxy-butyroyloxy)propane; enhance the uptake of the drug, deliver effective therapeutic doses in a time-delayed fashion, and target specific organs |
| 07/15/2009 | EP2078733A1 Method for preparing a modified cellulose ether |
| 05/27/2009 | CN101443362A Use of special screens in the preparation of cellulose powder |
| 04/09/2009 | WO2005111112A3 Cellulose and acrylic based polymers and the use thereof for the treatment of infectious diseases |
| 02/18/2009 | EP2024397A1 Use of special screens in the preparation of cellulose powder |
| 01/21/2009 | CN100453557C Method for preparing cellulose glycerine ether nitric ester |
| 01/14/2009 | CN101343329A Multi-hydroxyalkyl cellulose ether nitrate and preparation thereof |
| 12/17/2008 | CN101323645A Modifying method of nonthermoplastic cellulose derivative material |
| 09/03/2008 | EP1629016B1 A process for the preparation of hydroxy polymer esters |
| 06/26/2008 | WO2008074096A1 Reactive extrusion modification of functional polymers |
| 06/12/2008 | US20080139803 Contact angle of water less than 55 degrees; dipping surface in alkaline solution; excellent bonding to polarizer and small fluctuation in retardation with variation in humidity |
| 03/18/2008 | US7345166 Water soluble biodegradable polymeric photocatalysts |
| 11/29/2007 | WO2007136472A1 Use of special screens in the preparation of cellulose powder |
| 11/14/2007 | EP1603953B1 Low molecular weight carboxyalkycellulose esters and their use as low viscosity binders and modifiers in coating compositions |
| 10/17/2007 | EP1844078A1 Pharmaceutical compositions with enhanced performance |
| 09/20/2007 | US20070217974 Reacting 2,3-dihydroxypropyl cellulose with a phosphorus oxide, a phosphoryl halide, a phosphoric acid or a salt of phosphoric acid, and optionally partially carbamidating the product; high mechanical strength; softens water; removes heavy metals from wastewater |
| 07/31/2007 | CA2297904C Modified cellulose ethers |
| 06/28/2007 | US20070148124 Cellulose and acrylic based polymers and the use thereof for the treatment of infectious diseases |
| 06/13/2007 | EP1795541A1 Phosphoric ester of cellulose derivative and metal adsorbent comprising the same |
| 05/23/2007 | EP1448604A4 Preparation method of solvent-free water-dispersible hydroxypropyl methyl cellulose phthalate nanoparticle |
| 05/16/2007 | CN1315872C Usage of carboxymethyl cellulose acetate butyrate |
| 05/09/2007 | CN1314709C Preparation method of solvent-free water-dispersible hydroxypropyl methly cellulose phthalate nanoparticle |
| 03/14/2007 | EP1414867B1 Polymers and their synthesis |
| 03/08/2007 | US20070055057 Water-dispersible polysaccaride derivatives of reduced glyoxal content, and a process for decreasing the glyoxal content in glyoxal-crosslinked polysaccharide derivatives |
| 03/01/2007 | US20070049746 Spherical sulfated cellulose and production process for the same |
| 02/07/2007 | EP1749041A2 Cellulose and acrylic based polymers and the use thereof for the treatment of infectious diseases |
| 01/17/2007 | CN1295249C Purification method of hydroxypropylmethyl cellulose phthalate |
| 01/11/2007 | US20070009464 Process for the preparation of hydroxy polymer esters and their use |
| 11/29/2006 | EP1332160A4 Use of carboxymethyl cellulose acetate butyrate |
| 10/19/2006 | US20060235193 Biocompatible materials and probes |
| 10/05/2006 | US20060222786 Cellulose acylate, cellulose acylate film, and method for production and use thereof |
| 09/19/2006 | US7109324 Textile formed by crosslinking an odor-encapsulated cyclodextrin and an imidazolidone with a cross-linking agent in a water bath;dipping then, removing the textile material from the water bath; forming an ether bond between the imidazolidone and a hydroxyl group on the cyclodextrin and the cellulose |
| 08/16/2006 | CN1820028A Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions |
| 08/10/2006 | WO2006082518A1 Pharmaceutical compositions with enhanced performance |
| 07/18/2006 | US7077870 Laundry composition |
| 07/06/2006 | WO2005115330A3 Pharmaceutical compositions with enhanced performance |
| 06/21/2006 | CN1791616A A process for the preparation of hydroxy polymer esters and their use |
| 06/21/2006 | CN1791615A A process for the preparation of hydroxy polymer esters and their use |
| 04/19/2006 | CN1761685A Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions |
| 04/18/2006 | US7030208 Fluorinated biopolymers and polymers useful in magnetic resonance imaging, diagnostic agents, and contrast agents; for example, polyglutamic acid modified with a perfluoroalkyl epoxide; perfluoroaniline hyaluronate |
| 04/11/2006 | US7026471 Purification method of hydroxypropylmethyl cellulose phthalate |
| 04/11/2006 | US7026470 Improving holdout |
| 04/06/2006 | WO2006035696A1 Phosphoric ester of cellulose derivative and metal adsorbent comprising the same |
| 03/21/2006 | US7015200 Carbohydrates conjugated to optionally protected 4-hydroxybutyric acid; enhance the uptake of the drug and allows effective drug delivery to treat GHB-treatable disorders such as sleep disorders or drug withdrawal |
| 03/01/2006 | EP1629016A1 A process for the preparation of hydroxy polymer esters and their use |
| 12/14/2005 | EP1603953A1 Low molecular weight carboxyalkycellulose esters and their use as low viscosity binders and modifiers in coating compositions |
| 12/14/2005 | EP1603952A1 Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions |
| 12/08/2005 | CA2568007A1 Pharmaceutical compositions with enhanced performance |
| 11/24/2005 | WO2005111112A2 Cellulose and acrylic based polymers and the use thereof for the treatment of infectious diseases |
| 11/24/2005 | CA2565551A1 Cellulose and acrylic based polymers and the use thereof for the treatment of infectious diseases |
| 11/10/2005 | US20050250848 Gamma-hydroxybutyrate compositions containing carbohydrate, lipid or amino acid carriers |
| 11/03/2005 | US20050244365 Methods, compositions, formulations, and uses of cellulose and acrylic-based polymers |
| 10/20/2005 | US20050234231 antireflective films, film for liquid-crystal display panels; optical uniformity; cellulose ester film has specified low content of adhesion marks and specified in-plane retardation value |
| 06/30/2005 | US20050143572 reacting cellulose ethers having free hydroxyl groups with organic, bifunctional and/or polyfunctional carboxylic acids activated by reaction with nitrogen-containing compounds; to provide the modified cellulose ether which can be stirred into water at pH greater than or 11 without agglutination |
| 05/17/2005 | US6893493 Preparation method of solvent-free water-dispersible hydroxypropyl methyl cellulose phthalate nanoparticle |
| 03/02/2005 | CN1191278C Modified cellulose ethers |
| 03/01/2005 | US6861520 The textiles formed by such a process can comprise an article of clothing adapted to trap odors emanating from a wearer |
| 01/06/2005 | US20050000388 Aqueous emulsification in presence of ammonium hydroxide; regulating electrolyte content using ion exchange resin or membrane |
| 12/29/2004 | CN1558917A Preparation method of solvent-free water-dispersible hydroxypropyl methly cellulose phthalate nanoparticle |
| 12/28/2004 | US6835828 For making cellulose acetates with superior clarity; mercerization of pulps |
| 12/02/2004 | WO2004104048A1 A process for the preparation of hydroxy polymer esters and their use |
| 11/24/2004 | EP1421119A4 Alkylene oxide modified hardwood cellulose |
| 09/30/2004 | WO2004083254A1 Low molecular weight carboxyalkycellulose esters and their use as low viscosity binders and modifiers in coating compositions |
| 09/30/2004 | WO2004083253A1 Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions |
| 09/22/2004 | EP1341888B1 Laundry composition |
| 09/16/2004 | US20040181009 Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions |
| 09/16/2004 | US20040180993 low in molecular weight, have a high maximum degree of substitution; provide high solids, low viscosity coating; no brittle films |
| 08/25/2004 | EP1448604A1 Preparation method of solvent-free water-dispersible hydroxypropyl methyl cellulose phthalate nanoparticle |
| 08/05/2004 | US20040152886 Reacting hydroxypropylmethyl cellulose, alkali acetate, phthalic anhydride and alkali chlorate in acetic acid solvent and recovering granular hydroxypropylmethyl cellulose phthalate; for use in pharmaceuticals, foods and cosmetics |
| 07/29/2004 | US20040147737 cellulose ether esters of lactic acid and of hydroxyacetic acid; slow-release pharmaceutical preparations |
| 07/22/2004 | US20040141740 Water soluble biodegradable polymeric photocatalysts |
| 06/09/2004 | CN1503808A Purification method of hydroxypropylmethyl cellulose phthalate |
| 06/03/2004 | US20040106786 Preparing reactive celluloses by mercerizing hardwood cellulosic material and reacting with propylene oxide to produce water insoluble product with low triacetate haze values for use in liquid crystal displays and photography |
| 05/26/2004 | EP1421119A2 Alkylene oxide modified hardwood cellulose |
| 05/13/2004 | US20040092455 Carbohydrates conjugated to optionally protected 4-hydroxybutyric acid; enhance the uptake of the drug and allows effective drug delivery to treat GHB-treatable disorders such as sleep disorders or drug withdrawal |
| 04/22/2004 | US20040076593 For cosmetics/nail varnishes; plascticizers; comprises free radicals |
| 03/24/2004 | EP1399485A1 Purification method of hydroxypropylmethyl cellulose phthalate |
| 03/17/2004 | CN1483042A Usage of carboxymethyl cellulose acetate butyrate |
| 01/08/2004 | WO2003087165A3 Biocompatible materials and probes |
| 10/23/2003 | WO2003087165A2 Biocompatible materials and probes |
| 10/23/2003 | US20030199687 Biocompatible materials and probes |
| 09/25/2003 | US20030181689 Percarboxylated polysaccharides, and a process for their preparation |
| 09/10/2003 | EP1342731A1 Cosmetic composition, especially nail enamel, comprising a modified nitrocellulose |
| 09/10/2003 | EP1341888A1 Laundry composition |
| 09/10/2003 | EP1341821A1 Thermoplastic and water soluble cellulose ether esters |
| 09/03/2003 | EP1339753A2 Percarboxylated polysaccharides, and a process for their preparation |
| 08/27/2003 | CN1438248A Method for preparing cellulose glycerine ether nitric ester |
| 08/06/2003 | EP1332160A1 Use of carboxymethyl cellulose acetate butyrate |
| 07/29/2003 | US6600033 Hydrophobically cellulose ether for use in medicine, food, cosmetics and textiles |