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