Patents for C08B 15 - Preparation of other cellulose derivatives or modified cellulose (3,279) |
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01/31/2002 | US20020012705 Polymer constructs |
01/29/2002 | US6342592 Chiral compounds, their synthesis and use as a support |
01/24/2002 | WO2002006373A1 Hydrogel films and methods of making and using therefor |
01/24/2002 | CA2416698A1 Hydrogel films and methods of making and using therefor |
01/17/2002 | WO2002004524A1 Method for forming cellulose |
01/17/2002 | WO2001034091A3 Modification of polysaccharide containing materials |
01/17/2002 | US20020005262 Forming cellulose aldehyde by controlled oxidation of cellulose with aldehyde; wet strength |
01/16/2002 | EP1172399A1 Method for polymer modification |
01/16/2002 | EP1171057A1 Cell-culture and polymer constructs |
01/16/2002 | EP1159049A4 Responsive gels and methods of use thereof |
01/16/2002 | EP0988322B1 Ultra-fine microcrystalline cellulose compositions and process for their manufacture |
01/10/2002 | WO2002002643A1 Cellulose powder |
01/09/2002 | EP1170321A1 A process for preparing a modified polymer |
12/27/2001 | US20010055794 In aqueous solution |
12/18/2001 | US6331619 Superabsorbent material and method for producing said material |
12/13/2001 | US20010051834 Method for composite cell-based implants |
12/13/2001 | DE10040341C1 Production of cellulose carbamate by reacting alkali- or ammonia-treated cellulose with urea, comprises adding the urea continuously or in at least two stages to increase the urea conversion |
12/05/2001 | EP1159049A1 Responsive gels and methods of use thereof |
12/05/2001 | CN1325409A Cross-linking process for carboxylated polysaccharides |
12/05/2001 | CN1324784A Use of anide or imide aid catalyst in nitrogen oxide medium oxidation reaction |
11/29/2001 | DE10023753A1 Verfahren und Vorrichtung zur Behandlung von Zellstoff mit Harnstoff und Ammoniak Method and apparatus for treatment of pulp with urea and ammonia |
11/28/2001 | EP0956305B1 Cellulose derivatives |
11/28/2001 | EP0840625B1 Absorbent material, absorbent body made of the material, and method for the preparation of the material |
11/28/2001 | CN1075515C Prepn. of microcrystal cellulose colloid |
11/28/2001 | CN1075514C Method for producing microcrystalline cellulose by sulfating waste cotton velvet |
11/22/2001 | WO2001087985A1 Method and device for treating cellulose with urea and ammonia |
11/22/2001 | WO2001087365A2 Polysaccharide absorbent and method |
11/22/2001 | DE10036549A1 Targeted depolymerization of polysaccharide, e.g. to give cellulose derivatives with a required degree of polymerization, involves mixing with peroxo compound and optionally reacting with derivatizing agent |
11/21/2001 | EP1156065A1 Use of amide or imide co-catalysts for nitroxide mediated oxidation |
11/21/2001 | EP1155040A1 Oxidized cellulose-containing fibrous materials and products made therefrom |
11/21/2001 | EP1155039A1 Process for selective oxidation of cellulose |
11/20/2001 | US6319361 Reaction product of cellulose aldehydes and water soluble polymer; high initial wet strength |
11/19/2001 | CA2348110A1 Use of amide or imide co-catalysts for nitroxide mediated oxidation |
11/15/2001 | WO2001085800A2 Esterified polysaccharide products and η-lactone ring opened ketene dimer products containing the compositions, and process of making the same |
11/15/2001 | CA2406686A1 Esterified polysaccharide products and .gamma.-lactone ring opened ketene dimer products containing the compositions, and process of making the same |
11/14/2001 | EP1154074A1 Aldehyde-containing polymers as wet strength additives |
11/14/2001 | EP1153620A2 Solid compositions exhibiting selective binding to dissolved iron |
11/13/2001 | US6316160 Cellulose ethers and esters for improved antireflective coatings |
11/12/2001 | CA2347566A1 Solid compositions exhibiting selective binding to dissolved iron |
11/08/2001 | WO2001083887A1 Aldehyde-containing polymers as wet strength additives |
10/31/2001 | EP1149846A1 Oxidation of polysaccharides with nitroxyls |
10/31/2001 | EP0690931B1 Method of producing sugars using strong acid hydrolysis of cellulosic and hemicellulosic materials |
10/25/2001 | US20010034442 Using hypochlorite in the presence of nitroxyl compound catalyst, nontoxic and corrosion resistant, TEMPO, tetramethylpiperidine-n-oxyl; no bromide catalyst used |
10/23/2001 | US6306665 Covalent bonding of molecules to an activated solid phase material |
10/17/2001 | CN1318072A Method for producing cellulose carbamate |
10/11/2001 | US20010029282 Crosslinked support for separation of enantiomorphs |
10/04/2001 | EP1137672A1 Carbohydrate oxidation products and derivatives |
10/04/2001 | EP1137670A1 Cross-linking process of carboxylated polysaccharides |
10/02/2001 | CA2084680C Process for the manufacture of porous cellulose matrices |
09/27/2001 | US20010025101 Swelling, dissolving in water |
09/26/2001 | EP1135439A1 Poly(alpha-1,4-d-glucan) and thermoplastic polymer mixtures containing the same |
09/25/2001 | US6293972 Process for fluorinating cellulosic materials and fluorinated cellulosic materials |
09/19/2001 | EP0868436B1 Process for preparing readily dispersible water-soluble cellulosic polymers |
09/13/2001 | US20010021387 Hydrophobically modified cellulose ethers, their preparation and use |
09/12/2001 | EP1132407A1 Hydrophobically modified cellulose ethers, process for their preparation and their use |
09/05/2001 | CN1311259A Method for prodn. of granular water soluble cellulose derivative using over-heated gas mixture contg. steam |
08/30/2001 | DE10009411A1 Verfahren zur Herstellung pulverförmiger wasserlöslicher Cellulosederivate unter Einsatz eines Wasserdampf/Inertgas-Gemisch oder Wasserdampf/Luft-Gemisch als Transport und Wärmeträgergas A process for preparing powdered water-soluble cellulose derivatives using a steam / inert gas mixture or steam / air mixture as transport and heat carrier gas |
08/29/2001 | EP1127910A1 Process for the preparation of powdered water-soluble cellulose derivatives by using a steam/inertgas or steam/air mixture as a heat transport medium |
08/29/2001 | EP1090332A4 Fast-etching, thermosetting anti-reflective coatings derived from cellulosic binders |
08/28/2001 | US6280568 For producing kraft pulp of increased strength and bleachability |
08/28/2001 | CA2338115A1 A process for producing particulate, water-soluble, cellulose derivatives using a superheated gas mixture containing steam |
08/23/2001 | WO2001060868A1 Single phase gels for the prevention of adhesions |
08/23/2001 | US20010015267 Sizing agent consists of a dialkyl acetal of a c8-c30 aldehyde and an emulsifier selected from cationic starach and synthetic polymer; reacting carbohydrate with a base, in alcohol to form intermediate, reacting it with alkylbromide |
08/23/2001 | CA2398935A1 Single phase gels for the prevention of adhesions |
08/22/2001 | EP1126075A2 Dissolved solids control in pulp production |
08/22/2001 | CN1309719A Modification of polysaccharides by means by phenol oxidizing enzyme |
08/22/2001 | CN1309666A Polymer composition of glucuronic acid glucosan |
08/16/2001 | US20010014475 Aggregate suitable for implantation comprising an aggregate of cells and biodegradable microcarrier particles; cell microcarrier aggregates are grown in mold shaped to conform to the geometry of the desired body part |
08/16/2001 | US20010014318 Cellulose derivatives |
08/16/2001 | DE10064414A1 Dyeing substrates, e.g. textiles, in deep, fast shades, by using dyes and/or substrates modified with reactive anchor groups in compressed carbon dioxide dyeing medium |
08/16/2001 | DE10006603A1 Hydrophob modifizierte Celluloseether, Verfahren zu deren Herstellung sowie deren Verwendung Hydrophobically modified cellulose ethers, process for their preparation and their use |
08/09/2001 | US20010012837 Anti-ulcer composition |
07/26/2001 | WO2001053366A1 Copolymers and oil- and water-repellent compositions containing them |
07/26/2001 | WO2001052911A2 Superabsorbent cellulosic fiber |
07/26/2001 | US20010009902 Cellulose derivatives |
07/26/2001 | CA2396683A1 Superabsorbent cellulosic fiber |
07/26/2001 | CA2395621A1 Copolymers and oil- and water-repellent compositions containing them |
07/25/2001 | EP1030864A4 Mn(IV)-MEDIATED CROSSLINKING AND FUNCTIONALIZATION OF CHROMATOGRAPHY MEDIA |
07/18/2001 | EP1115747A1 Polymer complexes of glucuronoglucanes |
07/11/2001 | EP1114065A1 Cellulose microfibrils with modified surface, preparation method and use thereof |
07/05/2001 | US20010007027 Injection molding materials |
07/05/2001 | US20010006957 Microdispersed or microfibrillar polyanhydroglucuronic acids and salts, complex salts or intermolecular polymer complexes suitable for fixing drug dosages with significantly protracted effect and reduced toxicity |
06/26/2001 | US6251221 Impregnating the ligno-cellulosic feed stock with an extraction liquor containing a glycol and an organic or lewis acid |
06/20/2001 | CN1300383A Fast-etching, thermosetting anti-reflective coatings derived from cellulosic binders |
06/19/2001 | US6248879 Polyanhydride crosslinked fibrous cellulosic products and process for their preparation |
06/14/2001 | US20010003742 Antilipemic formulation |
06/13/2001 | EP1106732A2 Paper made from aldehyde modified cellulose pulp |
06/13/2001 | EP0873365B1 New aromatic amino-cellulose derivatives and process for their preparation |
06/13/2001 | CN1299373A Process for elective oxidation of primary alcohols |
06/13/2001 | CN1298988A Paper made of aldehyde modified cellulose pulp contg. selecting additives |
06/13/2001 | CN1298986A Aldehyde modified cellulose pulp for prepn. of high strength paper products |
06/12/2001 | US6245579 Polymeric metal coating |
06/07/2001 | WO2001040767A1 Method of producing porous spherical particles |
06/05/2001 | US6242595 Efficient process by adding water to completed reaction mixture to dissolve excess urea and reaction by-products, filtering mixture, washing cellulose carbamate on filter with hot water, optionally pre-drying, drying, then recovering |
06/03/2001 | CA2319998A1 Paper made from aldehyde modified cellulose pulp with selected additives |
05/31/2001 | WO2001038637A1 Paper products comprising a biological cross-linking agent |
05/31/2001 | US20010001977 Kraft cooking communited cellulose fibers at high rate by controlling effective dissolved lignin concentration of the cooking liquor; kraft pulp of increased strength, bleachability that uses less effective alkali |
05/25/2001 | WO2001036531A1 Molecularly composite polymeric material of fibroin/cellulose and process for producing the same |
05/23/2001 | EP1100831A1 Method for producing cellulose carbamate |
05/23/2001 | DE19953589A1 Oxidierte polymere Kohlenhydrate und daraus hergestellte Produkte Oxidized polymeric carbohydrates and derived products |