| Patents for C08B 1 - Preparatory treatment of cellulose for making derivatives thereof (2,184) |
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| 01/20/1999 | EP0789790B1 Regenerated cellulose moulding and process for producing it |
| 01/14/1999 | DE19729323A1 Verfahren zur Herstellung von Cellulose-Derivaten Process for preparing cellulose derivatives |
| 01/13/1999 | CN1205014A Process for preparing cellulose suspension |
| 01/12/1999 | US5858285 Purifying, concentrating, adding microbiocide |
| 01/07/1999 | WO1999000185A1 Device for draining or storing viscous materials |
| 01/07/1999 | EP0888468A1 Process for preparing a spinnable, isotropic cellulose solution |
| 01/07/1999 | CA2263194A1 Device for draining or storing viscous materials |
| 01/05/1999 | US5856452 Oil bodies and associated proteins as affinity matrices |
| 01/05/1999 | CA2139399C Redispersible microdenominated cellulose |
| 12/23/1998 | WO1998058015A1 Composition containing fine solid particles |
| 12/23/1998 | CA2263196A1 Composition containing fine solid particles |
| 12/15/1998 | US5849151 Continuous digester having means for implementing low dissolved solids profiling |
| 12/15/1998 | US5849150 Low dissolved solids control in pulp production |
| 12/02/1998 | EP0880545A1 Method for the preparation of a material with a high water and salt solutions absorbency |
| 11/25/1998 | EP0674662B1 Method of preparing cellulose solutions |
| 11/11/1998 | CN1040672C Moulding material and spinning raw liquid and preparing method thereof |
| 11/05/1998 | WO1998049200A1 Reactive cellulose and method for making same |
| 11/05/1998 | CA2286572A1 Reactive cellulose and method for making same |
| 11/04/1998 | EP0874927A1 Process for preparation of an aqueous solution of n-methylmorpholin-n-oxide |
| 10/28/1998 | EP0873364A1 Method for producing cellulose derivatives |
| 10/21/1998 | CN1196762A Process for preparation of aqueous solution of N-methylmorpholin-n-oxide |
| 10/14/1998 | CN1040216C Process for preparing cellulose diacetate ester |
| 10/06/1998 | US5817801 Phosphoric acid and/or phosphoric anhydride |
| 09/23/1998 | CN1193982A Method for preparing a cellulose formate solution by impregnating and kneading cellulose slabs |
| 09/09/1998 | EP0802925B1 Forming solutions of cellulose in aqueous tertiary amine oxide |
| 09/08/1998 | US5804120 Optically anisotropic solution; extrusion with phosphoric acid and/or its anhydrides; coagulation; neutralization |
| 09/02/1998 | EP0777767B1 Process for making cellulose extrudates |
| 08/18/1998 | US5795979 Water-insoluble glucan purification method |
| 08/11/1998 | US5792399 Formed shape made of regenerated cellulose and process for its production |
| 08/05/1998 | CN1039418C Material containing stablizer for moulding or spinning |
| 08/04/1998 | US5788939 Process for the production of a cellulose moulded body |
| 07/28/1998 | US5786470 Gel production from plant matter |
| 07/22/1998 | EP0853642A1 Process for preparing a cellulose suspension |
| 07/22/1998 | CN1039250C Transport of solutions of cellulose through pipes |
| 07/08/1998 | CN1039042C Formation of cellulose-based premix |
| 07/08/1998 | CN1039041C Process for producing shaped cellulose bodies |
| 06/25/1998 | WO1998027115A1 Oil bodies and associated proteins as affinity matrices |
| 06/02/1998 | US5760211 Method of manufacturing cellulose solutions in aqueous amino oxide |
| 05/27/1998 | CN1038513C Solution of cellulose in water and N-methylmorpholine -N -Oxide |
| 05/22/1998 | WO1998021246A1 Method for producing cellulose derivatives |
| 05/22/1998 | CA2241800A1 Process for producing cellulose derivatives |
| 05/20/1998 | CN1182442A Cellulose sponge and process for producing it |
| 05/14/1998 | DE19646213A1 Verfahren zur Herstellung von Cellulosederivaten Process for the preparation of cellulose derivatives |
| 04/30/1998 | WO1998017848A1 Aqueous coagulating agent for liquid crystal solutions with base of cellulose substances |
| 04/30/1998 | WO1998017847A1 Coagulating agent for liquid crystal solutions with base of cellulose substances |
| 04/30/1998 | WO1998017692A1 Preparation of chemically reactive polysaccharides |
| 04/30/1998 | CA2268789A1 Aqueous coagulating agent for liquid crystal solutions with base of cellulose substances |
| 04/22/1998 | EP0836622A1 Method for preparing a cellulose formate solution by impregnating and kneading cellulose slabs |
| 04/22/1998 | CN1179781A Process for activating polysaccharides, polysaccharides produced by this process, and use thereof |
| 04/09/1998 | WO1998014648A1 Method for the manufacture of an extruded lyocell article |
| 03/25/1998 | CN1037846C Tech. for producing microcrystalline cellulose with sulfated waste cotton velvet |
| 02/19/1998 | WO1998006754A1 Method for the production of cellulosic shaped bodies |
| 02/18/1998 | CN1173904A Microfibrillated cellulose and method for preparing same from primary wall plant pulp, particularly sugar beet pulp |
| 02/12/1998 | WO1998005702A1 Process for preparing a cellulose suspension |
| 02/12/1998 | CA2233574A1 Process for preparing a cellulose suspension |
| 02/04/1998 | EP0822288A2 Continuous digester for the implementaion of dissolved solids profiling |
| 02/04/1998 | CN1172487A Forming solutions of cellulose in aqueous tertiary amine oxide |
| 01/28/1998 | EP0792393B1 Method of manufacturing a cellulose product |
| 01/28/1998 | EP0791014B1 Thin-film treatment device |
| 01/22/1998 | WO1998002464A1 Production of cellulose carbamate |
| 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 |
| 01/14/1998 | EP0818468A2 Process for preparing solutions of cellulose in aqueous amine oxide |
| 01/14/1998 | EP0817803A1 Process for activating polysaccharides, polysaccharides produced by this process, and use thereof |
| 01/14/1998 | EP0817802A1 Method of producing solutions of cellulose in water-containing tertiary-amin-n-oxides |
| 01/08/1998 | WO1998000589A1 Process for preparation of an aqueous solution of n-methylmorpholin-n-oxide |
| 01/08/1998 | CA2230050A1 Process for preparation of an aqueous solution of n-methylmorpholin-n-oxide |
| 01/07/1998 | EP0787152B1 Process for producing an aqueous amine oxide solution |
| 12/31/1997 | CN1169150A Thin film treatment device |
| 12/31/1997 | CN1036851C Process for producing cellulose acetate |
| 12/30/1997 | US5702515 Solution of polysaccharide in hydrated tertiary amine n-oxide stabilized with aromatic polyphenol or polyamine, thiol compound or precursor thereof |
| 12/29/1997 | EP0787153B1 Process for re-using an aqueous process fluid from the amine oxide process |
| 12/18/1997 | WO1997047790A1 Process for preparing a homogeneous cellulose solution using n-methylmorpholine-n-oxide |
| 12/17/1997 | CN1168160A Method of mfg. cellulose product |
| 12/10/1997 | EP0811690A1 Water-insoluble glucan purification method |
| 12/10/1997 | EP0811031A1 Cellulose sponge and process for producing it |
| 12/04/1997 | DE19624867A1 Improving cellulose solubility in water-containing amine oxide(s) |
| 11/19/1997 | CN1165522A Process for regenerating an aqueous process fluid from the amine oxide process |
| 11/12/1997 | EP0696330B1 Process for purifying aqueous solutions of tertiary amino oxides |
| 11/12/1997 | CN1164866A Liquid crystal solutions based on cellulose and at least one phosphoric acid |
| 10/29/1997 | EP0802925A1 Forming solutions of cellulose in aqueous tertiary amine oxide |
| 10/29/1997 | EP0695324B1 Process for producing cellulose shaped bodies |
| 10/21/1997 | US5679146 Also containing tertiary amine oxide, nonsolvent, one or more stabilizers having basic and antioxidant action |
| 10/01/1997 | CN1161044A Process for producing an aqueous amine oxide solution |
| 09/24/1997 | EP0759038B1 Cellulose suspension production process |
| 09/03/1997 | EP0792393A1 Method of manufacturing a cellulose product |
| 09/03/1997 | CN2261428Y High performance viscose grinder |
| 09/02/1997 | US5662775 Countercurrent cooking zone at first level and extraction screen at second level |
| 08/27/1997 | EP0791014A1 Thin-film treatment device |
| 08/21/1997 | WO1997030090A1 Method for the preparation of a material with a high water and salt solutions absorbency |
| 08/20/1997 | EP0789790A1 Regenerated cellulose moulding and process for producing it |
| 08/12/1997 | US5656224 Process for the production of a cellulose suspension |
| 08/07/1997 | WO1997028298A1 Process for preparing a spinnable, isotropic cellulose solution |
| 08/06/1997 | EP0787166A1 Stabilised solutions of polysaccharide |
| 08/06/1997 | EP0787153A1 Process for re-using an aqueous process fluid from the amine oxide process |
| 08/06/1997 | EP0787152A1 Process for producing an aqueous amine oxide solution |
| 08/05/1997 | US5653931 Process for the production of cellulose moulded bodies |
| 07/31/1997 | DE19624866C1 Increasing reactivity of pulp or linters to optimum level for cellulose acetate production |
| 07/30/1997 | CN1155910A Process for making cellulose extrudates |
| 07/30/1997 | CN1155909A Cellulose solutions and products made therefrom |