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