Patents for C08B 15 - Preparation of other cellulose derivatives or modified cellulose (3,279) |
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07/14/1998 | US5780616 Cationic polymer |
07/09/1998 | WO1998029454A1 Biodegradable absorbing agent |
07/02/1998 | DE19654745A1 Biologisch abbaubares Absorptionsmittel Biodegradable absorbent |
07/01/1998 | EP0850314A1 Production of microbial cellulose using a rotating disk film bioreactor |
06/25/1998 | WO1998027117A1 Superabsorbent material and method for producing said material |
06/23/1998 | US5770711 Derivatized with 2,3-epoxysuccinic acid, 1,2-epoxypropane-1,2,3-tricarboxylic acid, and or 2-(epoxyethyl)succinic acid; crosslinking |
06/23/1998 | US5769934 Steam explosion treatment of cellulose source, extraction to remove hemicellulose and lignin |
06/16/1998 | US5767196 Slow use of crosslinked polysaccharide gels |
06/10/1998 | EP0796358B1 Cellulose fibres |
06/10/1998 | EP0580871B1 Water-soluble cellulose derivative and biocompatible material |
06/03/1998 | EP0845495A2 Cellulose particles, method for producing them and their use |
05/20/1998 | EP0842264A1 Separation and concentration systems based on soluble oligosaccharide binding domains |
05/20/1998 | CN1181979A Bioresorbable oxidized cellulose composite material for prevention of postsurgical adhesions |
05/13/1998 | EP0841345A1 Bacterial cellulose concentrate and method for treating said concentrate |
05/13/1998 | EP0840752A1 Photochemically cross-linked polysaccharide derivatives having no photopolymerisable functional groups |
05/13/1998 | EP0840625A1 Absorbent material, absorbent body made of the material, and method for the preparation of the material |
05/13/1998 | CN1181762A Cellulose particles, method for producing them and their use |
05/05/1998 | US5747658 Method for the oxidation of carbohydrates |
04/30/1998 | WO1998017260A1 Chemo-mechanical expansion delivery system |
04/21/1998 | US5741901 UV curable cellulose esters |
04/16/1998 | WO1998015566A1 Glycan derivatives |
04/14/1998 | US5739316 Contacting with an aqueous alkaline solution of a diepoxide |
04/02/1998 | WO1998013545A1 Polyanhydride cross-linked fibrous cellulosic products and process for their preparation |
04/02/1998 | DE19635707C1 Production of cellulose carbamate from cellulose |
04/01/1998 | EP0832276A1 Method of strong acid hydrolysis |
04/01/1998 | EP0831792A2 Apparatus and method for delivering a biologically active compound into a biological environment |
04/01/1998 | CN1177969A Process for the preparation of aromatic carbomoyl-substituted polysaccharide derivatives |
03/30/1998 | CA2213873A1 Polysaccharides substituted with polycarboxylated moieties |
03/26/1998 | WO1998012246A1 Shaping object with reactive functions |
03/26/1998 | CA2265689A1 Shaping object with reactive functions |
03/25/1998 | CN1177358A Photochemically cross-linked polysaccharide derivatives as supports for the chromatoghaphic separation of enantiomers |
03/25/1998 | CN1037846C Tech. for producing microcrystalline cellulose with sulfated waste cotton velvet |
03/19/1998 | WO1998011141A1 Sulfated polysaccharides and uses thereof in medical treatment |
03/11/1998 | EP0703927B1 Preparation of polycarboxylates based on polysaccharides |
03/10/1998 | US5726046 Method of producing sugars using strong acid hydrolysis |
03/10/1998 | US5725601 Process for producing water-absorbent cross-linked, carboxyalkylated cellulose-containing material |
03/05/1998 | DE19635473A1 Preparation of cellulose carbamate for regenerated cellulose@ fibre production |
02/25/1998 | CN1174202A Ethoxyl cellulose producing process from plant cotton |
02/19/1998 | WO1998006489A1 Immobilizate and method for the immobilization of useful material |
02/18/1998 | EP0824106A2 Cellulose particles |
02/18/1998 | CN1173902A Cellulose fibres |
02/04/1998 | EP0822288A2 Continuous digester for the implementaion of dissolved solids profiling |
01/28/1998 | CN1171797A Absorbent material |
01/22/1998 | WO1998002464A1 Production of cellulose carbamate |
01/22/1998 | DE19629206A1 Polymerisable poly:amide derivatives containing double bonds |
01/22/1998 | CA2260782A1 Production of cellulose carbamate |
01/15/1998 | DE19628277A1 Verfahren zur Aktivierung eines Cellulose und Harnstoff enthaltenden Gemisches A method of activating a cellulose and urea-containing mixture |
01/08/1998 | WO1998000446A1 Oxidized oligosaccharides |
01/07/1998 | EP0815881A2 Bioresorbable oxidized cellulose composite material for prevention of postsurgical adhesions |
01/07/1998 | EP0815143A1 Improved oxidation process for producing polycarboxylates from polysaccharides |
01/06/1998 | USH1704 Oxidized cellulose fiber |
12/31/1997 | WO1997049733A1 Thermally immobilized polysaccharide derivatives |
12/30/1997 | US5703225 Sulfonated cellulose having improved absorbent properties |
12/29/1997 | EP0813547A1 Process for preparing neutralised polycarboxylates based on polysaccharides |
12/29/1997 | EP0813546A1 Photochemically cross-linked polysaccharide derivatives as supports for the chromatographic separation of enantiomers |
12/10/1997 | EP0811017A1 Cellulose particles, method for producing them and their use |
12/04/1997 | WO1997045452A1 Bacterial cellulose concentrate and method for treating said concentrate |
11/27/1997 | WO1997036052A3 Paper products having wet strength from aldehyde-functionalized cellulosic fibers and polymers |
11/25/1997 | US5690996 Cross-linked cellulose sponge |
11/11/1997 | US5686602 Crosslinked cellulose polymer/colloidal sol matrix and its use with ink jet recording sheets |
10/29/1997 | EP0527235B1 Novel polysaccharide drivative and separating agent |
10/15/1997 | EP0801077A2 Thermoplastic material made from aliphatic carbamic acid amide derivatives of polysaccharides and low molecular weight urea derivatives, process for their preparation and their use |
10/14/1997 | US5676964 Crosslinked carboxy polysaccharides |
10/09/1997 | WO1997036934A1 Process for fluorinating cellulosic materials and fluorinated cellulosic materials |
10/09/1997 | WO1997036933A1 Process for fluorinating cellulosic materials and fluorinated cellulosic materials |
10/09/1997 | CA2250122A1 Process for fluorinating cellulosic materials and fluorinated cellulosic materials |
10/09/1997 | CA2201807A1 Thermoplastic material consisting of aliphatic carbamic acid derivatives of polysaccharides and low-molecular urea derivatives as well as a process for their preparation and use of the same |
10/07/1997 | US5674999 Process for preparing readily dispersible water-soluble cellulosic polymers |
10/07/1997 | US5674507 Reacting cellulose with phosphoric acid under controlled sequenced temperature conditions |
10/02/1997 | WO1997036052A2 Paper products having wet strength from aldehyde-functionalized cellulosic fibers and polymers |
10/02/1997 | WO1997035848A1 Triazine derivatives as fixers in colouring and as cross-linking agents |
10/02/1997 | DE19611668A1 Triazinderivate Triazine derivatives |
09/24/1997 | EP0796358A1 Cellulose fibres |
09/12/1997 | WO1997032903A1 Method for oxidizing polysaccharides using ozone in the presence of a halogenide-containing catalyst |
09/09/1997 | US5665851 Aminoplastic resins and their use as a crosslinking agent for cellulose |
09/04/1997 | WO1997032075A1 Process for the production of lignin and microcellulose |
09/04/1997 | WO1997031951A1 Process for oxidising starch |
09/04/1997 | CA2247949A1 Process for the production of lignin and microcellulose |
09/04/1997 | CA2247109A1 Process for oxidising starch |
09/02/1997 | US5663311 Polysaccharide derivative and separation agent |
09/02/1997 | US5662775 Countercurrent cooking zone at first level and extraction screen at second level |
08/27/1997 | EP0791020A1 Absorbent material |
08/27/1997 | EP0791015A1 Cationic polymer |
08/27/1997 | EP0791002A1 Anionic polymer |
07/29/1997 | US5651979 Apparatus and method for delivering a biologically active compound into a biological environment |
07/29/1997 | CA1339122C Crosslinked carboxy polysaccharides |
07/23/1997 | EP0785304A2 Fibre treatment |
07/17/1997 | WO1997025353A1 New aromatic amino-cellulose derivatives and process for their preparation |
07/17/1997 | DE19600929A1 Neue aromatische Amin-Cellulosederivate und Verfahren zu deren Herstellung Novel aromatic amine cellulose derivatives and process for their preparation |
07/01/1997 | CA2119586C Process for silylizing carbohydrates, and use of the silylized carbohydrates |
06/26/1997 | WO1997022627A1 Process for preparing readily dispersible water-soluble cellulosic polymers |
06/19/1997 | WO1997021733A1 Sulfonated cellulose having absorbent properties |
06/19/1997 | CA2236353A1 Sulfonated cellulose having absorbent properties |
06/12/1997 | CA2212961A1 Process for the alcaline oxidative degradation of reducer sugars and products thus obtained |
05/28/1997 | EP0625992B1 Process for producing polysaccharide-based polycarboxylates |
05/22/1997 | WO1997018242A1 Uv curable cellulose esters |
05/07/1997 | EP0436722B1 Polysaccharide derivatives and separating agent |
05/06/1997 | US5627273 Mixing in water without cosolvent, polysaccharides and amine in the presence of catalyst and hydrogen for use as deflocculant |
05/01/1997 | WO1997015457A1 Crosslinked cellulose polymer/colloidal sol matrix and its use with ink jet recording sheets |
04/23/1997 | EP0769548A1 Antifoam dispersions for aqueous surfactant systems |