Patents for C08B 16 - Regeneration of cellulose (397) |
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08/23/1995 | EP0668378A1 Process for the production of shaped articles from cellulose |
06/21/1995 | EP0587830A4 Cellulose chromatographic supports and method. |
06/15/1995 | WO1995016063A1 Process for producing shaped cellulose bodies |
06/15/1995 | CA2155550A1 Process for producing shaped cellulose bodies |
08/23/1994 | CA1331605C Process for the preparation of finely divided porous cellulose particles |
03/23/1994 | EP0587830A1 Cellulose chromatographic supports and method |
01/26/1994 | CN1081185A Technology for producing microcrystalline cellulose with sulfated waste cotton velvet |
09/29/1993 | EP0562378A1 Process for producing thin regenerated polyglucane films |
09/26/1993 | CA2092386A1 Preparation of thin regenerated polyglucan films |
09/14/1993 | US5245024 Cellulose chromatography support |
09/14/1993 | US5244734 Fine cellulose particles and process for production thereof |
07/22/1993 | WO1993013937A1 Cellulose chromatographic supports and method |
06/23/1993 | EP0479906A4 Improved cellulose chromatography support |
06/09/1993 | CN1021116C Grass-fibre film used in agriculture and forestry and making method thereof |
05/25/1993 | CA1318176C Caramel-containing cellulosic article and manufacture |
02/23/1993 | US5189152 Solution of cellulose in water and n-methylmorpholine-n-oxide; discoloration inhibition |
02/16/1993 | CA1313650C High functional regenerated cellulose composition |
11/25/1992 | EP0515208A2 Cellulose powder and method of producing the same |
11/25/1992 | CA2069217A1 Fine cellulose powder and method of producing the same |
10/06/1992 | US5152793 Purified dehydrated cellulose, for prosthetics |
07/15/1992 | CN1062739A Improved cellulose chromatography support |
06/23/1992 | US5123923 Fitting sheaths for articulated prostheses |
04/15/1992 | EP0479906A1 Improved cellulose chromatography support |
04/15/1992 | CN1060295A Solution of cellulose in water and n- methylmorpholine-n-oxide |
03/31/1992 | CA1298289C Hydrophilic biocompatible material, process for its production and its applications thereof |
01/22/1992 | EP0467008A1 Aqueous N-methylmorpholine N-oxide solution of cellulose |
01/22/1992 | CN1058028A Grass-fibre film used in agriculture and forestry and making method thereof |
01/17/1992 | CA2046783A1 Cellulose solution in water and nmmo |
12/11/1991 | EP0460609A1 Process for producing fine cellulose powder |
10/31/1991 | WO1991016357A1 Cellulose derivatives |
08/24/1991 | WO1991000142A1 Process and apparatus for producing modified cellulose pearls with microporous structure and high adsorptive surface |
06/25/1991 | US5026841 Process for the preparation of finely divided porous cellulose particles |
06/12/1991 | EP0430952A1 Process and apparatus for producing modified cellulose pearls with microporous structure and high adsorptive surface |
01/01/1991 | US4981515 Fireproof |
12/31/1990 | WO1991000297A1 Improved cellulose chromatography support |
02/27/1990 | US4904258 Biocompatible, hydrophilic material, method of manufacture and uses of same |
12/27/1989 | EP0348352A2 Process for preparing finely divided porous cellulose particles |
10/19/1989 | WO1989009649A1 Highly functional regenerated cellulose composition |
10/11/1989 | EP0336004A2 High functional regenerated cellulose composition |
11/01/1988 | US4781931 Food casings |
10/18/1988 | US4778639 Regeneration by acid-salt bath; immobilization without chemical bonding |
07/12/1988 | US4756914 Caramel-containing cellulosic article |
04/27/1988 | EP0264873A2 Caramel-containing cellulosic article and manufacture thereof |
03/15/1988 | CA1234105A1 Cellulose dope, process for preparation and method for application thereof |
02/24/1988 | EP0256906A1 Biocompatible hydrophilic material and method for the production thereof |
02/19/1987 | DE3529649A1 Process for concentrating sulphuric acid |
01/06/1987 | US4634470 Cleaving and forming hydrogen bonds |
12/30/1986 | CA1215802A1 Procedure for dissolving cellulose carbamate |
11/12/1986 | EP0200973A2 Fine cellulose particles. |
09/09/1986 | US4610791 Dialysis membrane and method of making |
06/17/1986 | CA1205958A1 Procedure for treating cellulose derivative fibres |
04/22/1986 | US4583984 Procedure for treating cellulose derivative fibres |
02/05/1986 | EP0103618B1 Procedure for treating cellulose derivative fibres |
07/10/1985 | EP0147634A2 Cellulose dope, process for preparation and method for application thereof |
07/02/1985 | US4526620 Cellulose carbamate solutions |
03/28/1984 | EP0103618A1 Procedure for treating cellulose derivative fibres. |
10/13/1983 | WO1983003433A1 Procedure for treating cellulose derivative fibres |
04/12/1983 | CA1144319A1 Process for producing regenerated cellulosic articles and for recovering the solvent chemicals |
01/04/1983 | US4367191 Preparation of cellulose films or fibers from cellulose solutions |
09/28/1982 | CA1132311A1 Dialysis membrane from regenerated cellulose |
07/20/1982 | US4340429 Alkali cellulose xanthate with sodium hydroxide and water |
06/01/1982 | US4332916 Ion exchange polymers on improved porous substrates |
03/09/1982 | US4319023 Process for producing regenerated cellulosic articles and for recovering the solvent chemicals |
02/09/1982 | US4314959 Process for the preparation of regenerated cellulose formed bodies from solutions of cellulose derivatives in organic solvents |
10/27/1981 | CA1111206A1 Process for making a shapeable cellulose and shaped cellulose products |
08/18/1981 | US4284545 Tertiary amine oxide solvent and water |
07/15/1981 | EP0032007A2 Method for the regeneration of acid in the manufacture of regenerated cellulose |
05/19/1981 | US4268666 Process for the dissolution of cellulose in organic solvents, solutions obtained by said process, and process for the production of formed bodies of regenerated cellulose from said solutions |
03/17/1981 | US4256613 Composition and process for making precipitated nylon-cellulose biconstituent composition |
03/10/1981 | CA1097253A1 Recovery of chemical components of cellulosic regenerating solution |
02/24/1981 | CA1096106A1 Cellulose - solvant dmso formol |
02/17/1981 | CA1095673A1 Process for producing regenerated cellulosic articles |
07/29/1980 | CA1082694A1 Process for producing regenerated cellulosic articles |
07/29/1980 | CA1082693A1 Process for producing regenerated cellulosic fibers |
07/29/1980 | CA1082692A1 Hollow cellulosic fibers |
07/29/1980 | CA1082691A1 Shaped cellulosic fibers |
06/03/1980 | CA1078570A1 Process for shaping cellulose solutions |
06/03/1980 | CA1078569A1 Process for shaping cellulose solutions |
04/22/1980 | CA1076047A1 Porous cellulose beads |
04/15/1980 | CA1075403A1 Solvent system for polysaccharides |
04/01/1980 | US4196282 Process for making a shapeable cellulose and shaped cellulose products |
11/06/1979 | US4173613 Dimethyl sulfoxide, ammonia, formaldehyde |
08/28/1979 | CA1061336A1 Process for producing regenerated cellulosic product |
07/25/1979 | EP0003135A2 Process for improving the solubility of viscose |
03/20/1979 | US4145532 Process for making precipitated cellulose |
01/23/1979 | US4136255 Process for making solutions of cellulosic compounds |
12/12/1978 | US4129640 Process for producing shaped articles of cellulose |
12/12/1978 | US4129451 In dimethyl sulfoxide and formaldehyde |
07/04/1978 | US4098996 Regenerated cellulose film recovery process |
06/27/1978 | US4097666 Dimethyl sulfoxide and formaldehyde |
04/25/1978 | US4086418 Process for producing a regenerated hollow cellulosic fiber |
02/28/1978 | US4076933 Nitrosating cellulose, regeneration with an alcohol |
02/28/1978 | US4076932 Nitrosating cellulose, regenerating with an alkanol and a base |
02/14/1978 | US4073660 Recovery of chemical components of cellulosic regenerating solution |
11/01/1977 | US4056675 Nitrosation |
08/23/1977 | US4044090 Process for producing regenerated cellulosic product |
05/10/1977 | US4022631 Dimethyl sulfoxide, formaldehyde |