Patents for C08B 11 - Preparation of cellulose ethers (2,701)
07/2009
07/15/2009EP2078733A1 Method for preparing a modified cellulose ether
07/15/2009EP2078042A1 Hydroxypropyl methyl cellulose hard capsules and process of manufacture
07/15/2009CN101481423A Method for preparing polyanion cellulose from bagasse
07/09/2009WO2009084452A1 Method for producing methyl cellulose
07/08/2009EP1171471B2 Enhanced gel strength methylcellulose
07/08/2009CN101475645A Preparation of high homogeneity sodium carboxymethylcellulose
07/07/2009US7557077 Use of nonionic polysaccharide in a composition for caring for articles made of textile fibers
07/02/2009WO2009081881A1 Fiber composite
07/01/2009EP2075260A1 Methods for preparing alkali cellulose and water-soluble cellulose ether
07/01/2009EP2075259A1 Methods for preparing alkali cellulose and water-soluble cellulose ether
06/2009
06/25/2009WO2009078492A1 Cellulose derivative and hydrogel thereof
06/25/2009CA2707786A1 Cellulose derivative and hydrogel thereof
06/24/2009CN101466739A Process for reducing the average molecular weight of cellulose ethers
06/24/2009CN101463091A Method for separating stalk carboxymethylation components and preparing stalk carboxymethyl cellulose
06/10/2009CN101450968A Cellulose mint derivates, preparation method and use thereof
06/04/2009WO2009070168A1 Method of preparing alkali cellulose or a cellulose derivative
06/03/2009CN101445561A Preparing method of carboxymethyl cellulose with high viscosity and obtained product
06/02/2009US7541396 Treating unbleached or lightly bleached kraft pulp containing lignin and cellulose and with carboxyalkylating agent such as chloroacetic acid; high hemicellulose content and high degree of polymerization; superabsorbent
05/2009
05/27/2009EP2061815A1 Process for washing polysaccharide derivatives
05/27/2009EP1468102B1 Method of drying biodegradable polymers
05/27/2009CN101443362A Use of special screens in the preparation of cellulose powder
05/27/2009CN101440164A Preparation of retarded dissolution type cellulose gum
05/27/2009CN101440132A Preparation of technology level sodium carboxymethylcellulose
05/22/2009WO2009063856A1 Method for producing cellulose ether derivative
05/20/2009CN101434658A Method for producing carboxymethyl cellulose from cotton stem
05/14/2009WO2009061815A1 Method for preparing very low viscosity cellulose ether and product
05/14/2009WO2009059686A1 Ternary mixed ethers
05/13/2009EP2058336A1 Ternary mixed ethers
05/13/2009CN100486999C Polysaccharide pseudo-sponge
05/12/2009CA2348842C Muco-adhesive polymers, use thereof and method for producing the same
04/2009
04/30/2009WO2009054373A1 Method for producing cellulose ether derivative
04/21/2009CA2354739C A process for preparing alkylhydroxyalkyl cellulose
04/14/2009CA2335563C Wound dressings and materials suitable for use therein
04/09/2009WO2005111112A3 Cellulose and acrylic based polymers and the use thereof for the treatment of infectious diseases
04/09/2009US20090093626 High Viscosity Xanthan Polymer Preparations
04/07/2009US7514007 Use of water-soluble polymer complexes in aqueous systems
04/01/2009EP2041183A1 Method for producing cellulose acetals
03/2009
03/18/2009EP2036581A1 Wound dressings and materials suitable for use therein
03/17/2009US7504498 Process for the manufacture of methyl cellulose ether
03/11/2009EP2032608A1 Process for reducing the average molecular weight of cellulose ethers
03/11/2009CN101381479A Method for synthesizing alkaline soluble glycol cellulose for spinning/membrane manufacturing
03/05/2009US20090062524 Method for breaking down cellulose in solution
03/04/2009EP2031011A1 Resin powder containing aluminum salt, process for production of the same, and resin composition, phosphorous adsorbent, antibacterial agent or antifungal agent comprising the same
02/2009
02/19/2009WO2009022358A1 Superabsorbent polymer hydro gels and a method of preparing thereof
02/18/2009EP2024397A1 Use of special screens in the preparation of cellulose powder
02/18/2009CN101367878A Method for preparing high-viscosity sodium carboxymethylcellulose with apple residue
02/12/2009WO2009018876A1 Alkylhydroxyalkylcellulose (aac) for gypsum-setting bulding material systems
02/11/2009EP2022769A1 Alkyl hydroxyl alkyl cellulose (AHAC) for plaster setting building material systems
02/05/2009DE102007036394A1 Textilpflegemittel mit amingruppenhaltigem Celluloseether Textile Care with amingruppenhaltigem cellulose
01/2009
01/28/2009EP2018365A1 New materials for lithographic plates coatings, lithographic plates and coatings containing same, methods of preparation and use
01/28/2009CN100455601C Modification method of cellulose ether product
01/21/2009EP2017289A1 Pharmaceutical composition for conformational disease
01/07/2009EP0954536B2 Process for preparing fine-particle polysaccharide derivatives
12/2008
12/30/2008CA2352186C Method for the production of low-viscous water-soluble cellulose ethers
12/11/2008US20080306253 Matrix made of a polysaccharide modified under an electron beam with a functional organosilicon compound
12/02/2008CA2370294C Haze-free cellulose ether capsules and process for making
11/2008
11/26/2008EP1994946A1 Polysaccharides cross-linked by ether bonds, their preparation and biomedical applications
11/26/2008EP1994945A1 "Amido-phosphonate or amido-bisphosphonate derivatives of carboxylated polysaccharides, preparation and biomedical uses thereof"
11/25/2008CA2353828C Anionic cellulose ethers having temperature-dependent associative properties
11/19/2008EP1992364A1 Carboxylated polysaccharides phosphated or bisphosphonated derivatives, optionally cross-linked, and their preparation and biomedical uses
11/13/2008US20080281000 Crosslinked gels; polysaccharides grafted with alkoxyether amides; used in hydraulic fracturing of oil wells and as dispersants in paint and dye industeries; cosmetics; drug delivery carriers
10/2008
10/23/2008US20080262216 Hydroxyalkyl methylcellulose having solubility and thermoreversible gelation properties improved
10/22/2008EP1983004A1 Hydroxyalkyl methylcellulose having solubility and thermoreversible gelation properties improved
10/22/2008CN101289515A Hydroxyalkyl methylcellulose having solubility and thermoreversible gelation properties improved
10/22/2008CN100427507C Nutgall acylation modified fibre an dits synthetic method
10/21/2008US7439044 High viscosity xanthan polymer preparations
10/16/2008WO2008122345A1 Methylhydroxypropylcellulose (mhpc) for mineral -bound building material systems
10/16/2008WO2008122344A1 Methylhydroxyethylhydroxypropylcellulose (mhehpc) in mineral-bound building material systems
10/14/2008CA2294200C Bioresorbable compositions of carboxypolysaccharide polyether intermacromolecular complexes and methods for their use in reducing surgical adhesions
10/09/2008DE102007016783A1 Methylhydroxypropylcellulose (MHPC) für mineralisch gebundene Baustoffsysteme Methyl hydroxypropyl cellulose (MHPC) for mineral-bound building material systems
10/09/2008DE102007016726A1 Methylhydroxyethylhydroxypropylcellulose (MHEHPC) in mineralisch gebundenen Baustoffsystemen Methylhydroxyethylhydroxypropylcellulose (MHEHPC) in mineral-bound building material systems
10/08/2008CN101280023A Preparation of acid-resistant sodium carboxymethylcellulose
10/02/2008US20080242852 Hydroxyalkyl alkyl cellulose, especially hydroxypropyl methyl cellulose, made by treating cellulose with an alkali metal hydroxide at room temperature, reacting it with an alkylene oxide and an alkyl halide, and then adding an alkali metal hydroxide and an alkyl halide; reduced waste of reactants
09/2008
09/24/2008EP1309628B1 Partially cross-linked water soluble cellulose ethers, method for the production and use thereof
09/24/2008CN101270164A Technique for preparing cellulose derivative
09/18/2008US20080223536 Paper Comprising Quaternary Nitrogen Containing Cellulose Ether
09/17/2008EP1969012A1 Method for preparation of hydroxyalkylalkylcellulose ethers with high yield
09/16/2008US7425589 Mixture; controlling humidity concentration
09/10/2008CN101260158A Method for preparing hydroxypropylmethylcellulose
09/04/2008WO2008061048A3 Methods and compositions for diagnosing and treating prostate cancer
09/03/2008EP1629016B1 A process for the preparation of hydroxy polymer esters
08/2008
08/28/2008US20080207893 grinding a cellulose ether comprising 20 to 90 wt % of water, based on the total weight of cellulose ether and water, and a cationic surfactant in a mill; optionally drying the mixture while grinding
08/27/2008CN101250384A Cementitious composition
08/27/2008CN101250230A Method for preparing hydroxyethyl cellulose
08/20/2008EP1858970B1 Blocky hydroxyethylcellulose, derivatives thereof, process of making, and uses thereof
08/20/2008CN100411533C Use of carboxymethyl cellulose (CMC) in fruit-based products
08/14/2008WO2008096894A1 Cellulose derivative and method for production thereof
08/14/2008CA2676300A1 Cellulose derivative and method for production thereof
08/13/2008CN101240035A Ultra-high substitution carboxymethyl cellulose sodium and its preparation method and application
08/07/2008US20080188585 Photocrosslinked-polysaccharide composition and production process of the same
08/06/2008EP1951312A1 Compounds
07/2008
07/31/2008WO2008090085A1 Process for preparing cellulose ether
07/30/2008EP1950228A1 Dispersion stabilizer for suspension polymerization and method of producing vinyl chloride-based polymer using same
07/30/2008CN101230547A Method for preparing cellulose and carboxymethyl cethylose by wood fibre material
07/30/2008CN100406567C Method of drying biodegradable polymers
07/23/2008CN101225115A Precipitation modifying method for cellulose type solid enteric coatings
07/23/2008CN100404555C Cellulose ethers
07/22/2008US7402668 Preparation of preferential hydroxycellulose; obtain cellulose, alkalize, expose to alkylating agent, recover modified hydroxycellulose
07/16/2008CN101220099A Production method for high viscosity sodium carboxymethylcellulose
07/09/2008EP1942117A1 Derivatives of acid polysaccharides
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