| Patents for C08B 17 - Apparatus for esterification or etherification of cellulose (126) | |
|---|---|
| 12/2014 | |
| 12/24/2014 | CN204039309U 一种羟丙基甲基纤维素生产系统中的余热回收装置 One kind of hydroxypropyl methyl cellulose production waste heat recovery system |
| 10/2014 | |
| 10/09/2014 | WO2014165513A2 Ethylsulfonated hyaluronic acid biopolymers and methods of use thereof |
| 05/2014 | |
| 05/14/2014 | CN203593715U 羧甲基纤维素钠原料预处理装置 Sodium carboxymethyl cellulose feedstock pretreatment device |
| 03/2014 | |
| 03/19/2014 | CN203487069U Production system of polyquaternium-10 or positive ion guar gum |
| 03/12/2014 | CN203474697U Cellulose ether reaction device |
| 01/2014 | |
| 01/14/2014 | US8628593 Process to separate lipids from lipid-containing biomass for producing platform chemicals and/or liquid biofuels |
| 11/2013 | |
| 11/27/2013 | CN203307263U Etherification reaction kettle |
| 08/2013 | |
| 08/14/2013 | CN103242456A Multipurpose etherifying machine |
| 08/14/2013 | CN103242455A Special etherification machine for CMC (carboxymethyl cellulose) |
| 06/2013 | |
| 06/19/2013 | CN103159862A Production technology of alkalization step by step and etherification for one step |
| 04/2013 | |
| 04/17/2013 | EP2580251A1 Method for the preparation of a particulate reversibly crosslinked polymeric material |
| 04/17/2013 | CN103052700A Method for treating soil material |
| 04/10/2013 | EP2576727A1 Method for treating soil material |
| 03/2013 | |
| 03/13/2013 | CN202786071U Discharging device for hazardous chemical substances for producing cellulose ether |
| 02/2013 | |
| 02/13/2013 | CN102933615A Method for the preparation of particulate reversibly crosslinked polymeric material |
| 01/2013 | |
| 01/09/2013 | CN202658109U Rectification tower for producing cellulose ether |
| 12/2012 | |
| 12/12/2012 | CN202595013U Pulse dust remover for cellulose ether production |
| 09/2012 | |
| 09/26/2012 | CN202450013U Etherification reaction device for cellulose ether |
| 08/2012 | |
| 08/16/2012 | DE102009012161B4 Verfahren zur Herstellung von Polysaccharidderivaten Process for the preparation of polysaccharide derivatives |
| 03/2012 | |
| 03/28/2012 | CN102391382A Automatic control method for reaction kettle for producing cellulose ether |
| 12/2011 | |
| 12/15/2011 | WO2011154759A1 Method for the preparation of a particulate reversibly crosslinked polymeric material |
| 12/08/2011 | WO2011151523A1 Method for treating soil material |
| 12/08/2011 | CA2801050A1 Method for treating soil material |
| 08/2011 | |
| 08/10/2011 | EP2032608B1 Process for reducing the average molecular weight of cellulose ethers |
| 07/2011 | |
| 07/27/2011 | CN101466739B Process for reducing the average molecular weight of cellulose ethers |
| 07/13/2011 | CN102124033A Process for continuous catalytic acetylation |
| 04/2011 | |
| 04/20/2011 | EP2310420A1 Process for continuous catalytic acetylation |
| 01/2011 | |
| 01/26/2011 | CN101392028B Horizontal type etherifying reactor |
| 12/2010 | |
| 12/09/2010 | DE102005011367B4 Verfahren zur Herstellung von Cellulosesulfat mit verbesserten Eigenschaften A process for the production of cellulose sulfate with improved characteristics |
| 09/2010 | |
| 09/09/2010 | DE102009012161A1 Verfahren zur Herstellung von Polysaccharidderivaten Process for the preparation of polysaccharide derivatives |
| 03/2010 | |
| 03/24/2010 | CN201427940Y Water circulation recycling device for cellulose ether production |
| 02/2010 | |
| 02/04/2010 | WO2010012430A1 Process for continuous catalytic acetylation |
| 10/2009 | |
| 10/08/2009 | WO2009094531A3 Reactor pump for catalyzed hydrolytic splitting of cellulose |
| 09/2009 | |
| 09/09/2009 | CN100537605C Industrial preparing method and device for methyl hydroxy alkyl cellulose |
| 07/2009 | |
| 07/30/2009 | WO2009094531A2 Reactor pump for catalyzed hydrolytic splitting of cellulose |
| 03/2009 | |
| 03/25/2009 | CN101392028A Horizontal type etherifying reactor |
| 03/11/2009 | EP2032608A1 Process for reducing the average molecular weight of cellulose ethers |
| 10/2008 | |
| 10/09/2008 | DE102007017014A1 Verfahren zur Herstellung wasserarmer Nitrocellulose-Lösungen Process for the preparation of low-water nitrocellulose solutions |
| 06/2008 | |
| 06/12/2008 | DE102006057188A1 Celluloseether für Feststoffformulierungen Cellulose ethers for solid formulations |
| 03/2008 | |
| 03/27/2008 | DE102006042892A1 Acylation of polysaccharide, e.g. to make cellulose acetate for applications in textiles, food, building and paints, involves making a solution of cellulose in an organic ionic liquid and reacting with acylating agent |
| 01/2008 | |
| 01/03/2008 | DE102006030696A1 Acylating poly- or oligo- saccharide comprises dissolving the saccharide in an ionic liquid, treating the mixture with an acid under the supplement of water, and treating the obtained saccharide with an acylating agent |
| 01/02/2008 | EP1872848A1 Biconical mixer, comprising flow breaker elements |
| 12/2007 | |
| 12/21/2007 | WO2007145709A1 Process for reducing the average molecular weight of cellulose ethers |
| 12/20/2007 | DE102006028165A1 Verfahren zur Acylierung von Cellulose A process for the acylation of cellulose |
| 11/2006 | |
| 11/14/2006 | CA2429079C Process for manufacturing cellulose acetate |
| 09/2006 | |
| 09/28/2006 | DE102005013893A1 Water-absorbing polysaccharides for use e.g. in hygiene articles, flood prevention or food processing are obtained by using polyphosphates or polyphosphoric acids as crosslinking agents |
| 09/14/2006 | DE102005011367A1 Verfahren zur Herstellung von Cellulosesulfat mit verbesserten Eigenschaften A process for the production of cellulose sulfate with improved characteristics |
| 06/2006 | |
| 06/08/2006 | DE102004058577A1 Anionische Cellulosenitrat-Derivate und wässrige Dispersionen hiervon Anionic cellulose nitrate derivatives and aqueous dispersions thereof |
| 02/2006 | |
| 02/21/2006 | US7001483 utilizing the wood pulp mill bleach plant; pulp bleaching stage, washer, mixers for pulp, carboxylation chemicals and stabilizer supplies, small reaction chamber; catalytic oxidation system with hindered heterocyclic oxammonium or amine catalysts |
| 01/2006 | |
| 01/25/2006 | CN1238383C Process for manufacturing cellulose acetate and process for manufacturing oligosexylan |
| 01/10/2006 | US6984731 Process for manufacturing cellulose acetate |
| 06/2005 | |
| 06/22/2005 | EP1542791A1 Mixing device and covering device, use thereof and method for modifying and derivatising carbohydrates |
| 05/2005 | |
| 05/25/2005 | CN1203111C Continuous method and appts. for drying gel shaped polymer and shaping gel |
| 02/2005 | |
| 02/10/2005 | US20050028952 Apparatus for making carboxylated pulp fibers |
| 02/09/2005 | EP1505198A1 Apparatus for making carboxylated pulp fibers |
| 02/05/2005 | CA2475664A1 Apparatus for making carboxylated pulp fibers |
| 02/02/2005 | CN1187375C Method for continuous production of carbamate cellulose |
| 10/2004 | |
| 10/13/2004 | EP1466926A2 Process for manufacturing xylooligosaccharides |
| 04/2004 | |
| 04/08/2004 | WO2004028675A1 Mixing device and covering device, use thereof and method for modifying and derivatising carbohydrates |
| 01/2004 | |
| 01/14/2004 | CN1467225A Process for manufacturing cellulose acetate |
| 01/02/2004 | EP1375522A2 Process for manufacturing cellulose acetate |
| 01/01/2004 | US20040002598 Process for manufacturing cellulose acetate |
| 12/2003 | |
| 12/23/2003 | US6667395 Batchwise reaction of cellulose with sodium hydroxide, then with methyl chloride and ethylene oxide, then milling |
| 12/04/2003 | US20030223923 A portable reaction system for acetylating cellulose to cellulose acetate comprising a skid-mounted acetylator, hydrolysis cell and hoist system is disclosed. The acetylator is pivotably mounted on the skid and is constructed so that |
| 05/2003 | |
| 05/28/2003 | EP1141029B1 Process and apparatus for making cellulose ethers |
| 04/2003 | |
| 04/09/2003 | CN1408728A Industrial preparing method and device for methyl hydroxy alkyl cellulose |
| 04/03/2003 | US20030065166 Process and apparatus for the industrial preparation of methylhydroxyalkylcellulose |
| 03/2003 | |
| 03/19/2003 | EP1293515A1 Process and apparatus for industrially producing methyl hydroxyalkyl cellulose |
| 03/14/2003 | CA2402754A1 Process and apparatus for the industrial preparation of methylhydroxyalkylcellulose |
| 02/2003 | |
| 02/12/2003 | CN1396184A Method for continuous producing carbamate cellulose |
| 12/2002 | |
| 12/03/2002 | US6487788 Continuous process and apparatus for the drying and gel formation of solvent-containing gel-forming polymers |
| 08/2002 | |
| 08/22/2002 | US20020112361 Continuous process and apparatus for the drying and gel formation of solvent-containing gel-forming polymers |
| 05/2002 | |
| 05/07/2002 | US6381866 Continuous process and apparatus for the drying and gel formation of solvent-containing gel-forming polymers |
| 02/2002 | |
| 02/26/2002 | CA2125291C Cellulosic fibres |
| 12/2001 | |
| 12/12/2001 | CN1076024C Method and apparatus for controlling acetylization of cellulose |
| 10/2001 | |
| 10/10/2001 | EP1141029A1 Process and apparatus for making cellulose ethers |
| 09/2001 | |
| 09/06/2001 | US20010020090 Separation, purification, and drying of cellulose ethers within sealed, pressure-tight space consisting of acid-resistant materials |
| 09/05/2001 | EP1130033A1 Process for acid catalyzed hydrolytic depolymerization of cellulose ethers |
| 08/2001 | |
| 08/01/2001 | CN1306028A Continuous method and appts. for drying gel shaped polymer and shaping gel |
| 07/2001 | |
| 07/19/2001 | US20010008048 Continuous process and apparatus for the drying and gel formation of solvent-containing gel-forming polymers |
| 07/19/2001 | DE10001256A1 Continuous drying and gel formation of polymers containing solvents, e.g. cellulose ether, involves flash evaporation at reduced pressure |
| 07/18/2001 | EP1116728A1 Continuous process and apparatus for drying and gel formation of gelable and solvent containing polymers |
| 07/17/2001 | US6261218 Process and apparatus for making low molecular weight cellulose ethers |
| 07/14/2001 | CA2330714A1 Continuous process and apparatus for the drying and gel formation of solvent-containing gel-forming polymers |
| 07/05/2001 | US20010007028 Process and apparatus for making low molecular weight cellulose ethers |
| 06/2001 | |
| 06/13/2001 | DE10009642C1 Acid-catalyzed, hydrolytic depolymerization of cellulose ethers to low-viscosity products useful e.g. for coating drugs, carried out in pressure filter vessel allowing separation, purification and drying in same apparatus |
| 01/2001 | |
| 01/25/2001 | DE19935332C1 Screw feeder, especially for cellulose compounds, includes exit section with longitudinal ribs in housing |
| 06/2000 | |
| 06/08/2000 | WO2000032637A1 Process and apparatus for making cellulose ethers |
| 07/1999 | |
| 07/27/1999 | US5928613 Apparatus for acetylating cellulose |
| 05/1999 | |
| 05/12/1999 | EP0915121A1 Improvements relating to treatment vessels, for example for the acetylation of lignocellulosic materials and methods of treatment |
| 02/1999 | |
| 02/09/1999 | US5869646 Method and apparatus for acetylating cellulose |
| 10/1998 | |
| 10/14/1998 | EP0616650B1 Carboxymethyl Cellulose Fibre |
| 10/08/1998 | DE19812954A1 Viscose fibre production from cellulose or a spinning solution |
| 03/1998 | |
| 03/24/1998 | US5731083 Cellulosic fibres |
| 10/1997 | |
| 10/08/1997 | CN1161339A Method and apparatus for controlling reactions |
| 09/1997 | |
| 09/03/1997 | CN1158275A Process for dissolving nodular solids in lqiuids and installation for carrying out process |
| 08/1997 | |
| 08/13/1997 | EP0789033A2 Method and apparatus for controlling acetylation of cellulose |
| 02/1997 | |
| 02/26/1997 | EP0759322A1 Method and installation for dissolving solid materials of a bulbous form in a liquid |
| 12/1996 | |
| 12/31/1996 | US5589589 Applying cellulose ether to sieve surfaces, agitation, flushing with air, discharging and recovering |
| 09/1996 | |
| 09/12/1996 | DE19508230A1 Plasticised cellulose nitrate prodn. for use in varnish, ink etc. |
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