Patents for C08B 1 - Preparatory treatment of cellulose for making derivatives thereof (2,184)
07/1997
07/30/1997CN1035522C Separating method of vegetable cellulose and non-cellulose
07/29/1997CA1339113C Family of xanthan-based polysaccharide polymers including non-acetylatedand/or non-pyruvylated gum and acetylated or non-acetylated polytetramergum
07/09/1997EP0782603A1 Liquid crystal solutions based on cellulose and at least one phosphoric acid
07/03/1997WO1997023552A1 Cellulose sponge and process for producing it
07/03/1997CA2213234A1 Cellulose sponge and process for its production
06/1997
06/18/1997CN1152287A Device for holding and discharging homogeneous cellulose suspension
06/11/1997EP0777768A1 Cellulose solutions and products made therefrom
06/11/1997EP0777767A1 Process for making cellulose extrudates
06/04/1997CN1151169A Cellulose suspension production process
05/1997
05/27/1997US5633032 Process of preparing cereal extracts
05/13/1997US5628941 Process for the production of cellulose moulded bodies
05/06/1997US5626810 In aqueous tertiary amine oxide
04/1997
04/16/1997EP0767848A1 Process and plant for crushing a cellulose material
04/15/1997US5620562 Continuous digestion of kraft pulp while maintaining low concentrations of dissolved organic materials yields increased strength and bleachability
04/03/1997WO1997011973A1 Thin-film treatment device
04/02/1997EP0765939A2 Family of xanthan-based polysaccharide polymers including non-acetylated and/or non-pyruvylated gum
03/1997
03/27/1997WO1997011213A1 Method of manufacturing a cellulose product
03/27/1997CA2205089A1 Process for the production of a cellulose moulded body
03/26/1997EP0764685A2 Polymer solutions
03/26/1997EP0764127A1 Device for holding and discharging a homogeneous cellulose suspension
03/12/1997EP0660743B1 Forming solutions
03/11/1997US5609762 Cellulose membranes comprising cotton fibers and method of manufacturing them
03/11/1997US5609676 Recycling of dyed cellulosic waste
03/06/1997WO1997007688A1 A method of disrupting fibrous biomass by treatment with a gas
02/1997
02/27/1997WO1997007138A1 Process for re-using an aqueous process fluid from the amine oxide process
02/27/1997WO1997007137A1 Process for producing an aqueous amine oxide solution
02/27/1997CA2202624A1 Process for producing an aqueous amine oxide solution
02/27/1997CA2202362A1 Process for re-using an aqueous process fluid from the amine oxide process
02/26/1997EP0759038A1 Cellulose suspension production process
02/19/1997EP0670917B1 Moulding or spinning material containing cellulose
02/11/1997US5602247 Using an ion exchange resin
01/1997
01/23/1997WO1997002292A1 Method for preparing a cellulose formate solution by impregnating and kneading cellulose slabs
01/23/1997CA2224416A1 Method for preparing a cellulose formate solution by impregnating and kneading cellulose slabs
01/15/1997EP0683827B1 Process for producing shaped cellulose bodies
12/1996
12/17/1996US5584919 Pelletized pre-dope granules of cellulose and tertiary amine oxide, spinning solution, of cellulose and process for making them
12/05/1996WO1996038625A1 Process and plant for crushing a cellulose material
12/05/1996CA2195409A1 Process and plant for crushing a cellulose material
10/1996
10/31/1996WO1996033934A1 Device for holding and discharging a homogeneous cellulose suspension
10/31/1996CA2193358A1 Device for holding and discharging a homogeneous cellulose suspension
10/30/1996EP0271551B1 Acid decrystallization of higly cristalline chitosan or partially deacylated chitin
10/24/1996WO1996033221A1 Cellulose suspension production process
10/24/1996CA2192443A1 Cellulose suspension production process
10/03/1996WO1996030411A1 Process for activating polysaccharides, polysaccharides produced by this process, and use thereof
10/03/1996WO1996030410A1 Method of producing solutions of cellulose in water-containing tertiary-amin-n-oxides
10/02/1996EP0734469A1 Implementation of dissolved solids profiling
10/02/1996DE19507990A1 Regenerated cellulose mouldings, esp. fibre or foil
09/1996
09/26/1996DE19611416A1 Polysaccharide activation to improve derivation reactivity
09/17/1996US5556452 Moulding materials and spinning materials containing cellulose
08/1996
08/21/1996EP0727439A1 Pelletized pre-dope granules of cellulose and tertiary amine oxide, cellulosic spinning solution, and process for making them
08/20/1996US5547012 Dissolved solids control in pulp production
08/15/1996WO1996024720A1 Microfibrillated cellulose and method for preparing same from primary wall plant pulp, particularly sugar beet pulp
08/14/1996EP0726356A1 Microfibrillated cellulose and process for making the same from vegetable pulps having primary walls, especially from sugar beet pulp
08/07/1996CN1032489C Manufacturing method of viscose staple fibre
07/1996
07/30/1996US5540874 N-methylmorpholine-n-oxide solvent mixtures
07/25/1996DE19501290A1 Regenerated cellulose mouldings, esp. fibre or foil
07/18/1996WO1996021678A1 Forming solutions of cellulose in aqueous tertiary amine oxide
07/18/1996CA2209567A1 Forming solutions of cellulose in aqueous tertiary amine oxide
07/17/1996EP0668941B1 Transport of solutions of cellulose through pipes
07/16/1996US5536366 Digester system for implementing low dissolved solids profiling
07/09/1996US5534113 Forming solutions
07/01/1996CA2139400A1 Process for making microdenominated cellulose
06/1996
06/25/1996US5530112 Gel production from plant matter
06/19/1996EP0717131A1 Recycling process of dyed cellulosic waste products
06/12/1996CN1124507A Formation of a cellulose-based premix
06/12/1996CN1124252A Concentrating method for styrene butadiene rubber latex
06/12/1996CN1032006C Treating cellulosic sheet material
06/05/1996CN1124044A Process for purifying aqueous solutions of tertiary amino oxides
06/05/1996CN1124033A Process for producing cellulose shaped bodies
05/1996
05/23/1996DE4441468A1 Prepn. of isotropic aq. cellulose solns. in N-methyl morpholine N-oxide, suitable for spinning into yarns, fibres or films,
05/22/1996CN1123040A Transport of solutions of cellulose through pipes
05/17/1996WO1996014451A1 Regenerated cellulose moulding and process for producing it
05/17/1996CA2204412A1 Regenerated cellulose moulding and process for producing it
05/09/1996DE4439149A1 Prodn. of homogeneous cellulose solns.
05/02/1996WO1996012761A1 Stabilised solutions of polysaccharide
03/1996
03/28/1996WO1996009356A1 Liquid crystal solutions based on cellulose and at least one phosphoric acid
03/13/1996EP0700462A1 Formation of a cellulose-based premix
02/1996
02/29/1996WO1996006208A1 Cellulose solutions and products made therefrom
02/29/1996WO1996006207A1 Process for making cellulose extrudates
02/29/1996CA2197999A1 Process for making cellulose extrudates
02/29/1996CA2197889A1 Cellulose solutions and products made therefrom
02/28/1996EP0698139A1 Dissolved solids control in pulp production
02/28/1996CN1117744A Process for producing shaped cellulose bodies
02/14/1996EP0696330A1 Process for purifying aqueous solutions of tertiary amino oxides
02/07/1996EP0695324A1 Process for producing cellulose shaped bodies
02/06/1996US5489363 Pulping with low dissolved solids for improved pulp strength
01/1996
01/31/1996CN1115984A Method of preparing cellulose solutions
01/24/1996EP0649436B1 Stable moulding or spinning compound containing cellulose
01/23/1996US5486230 Molding or spinning cellulose mixture with tertiary amine oxide and stabilizers
01/03/1996CN1114508A Moulding or spinning material containing cellulose
12/1995
12/05/1995US5473061 Process for the treatment of cellulose
11/1995
11/29/1995EP0683827A1 Process for producing shaped cellulose bodies.
10/1995
10/26/1995DE4414285A1 Cellulose@ material dissolution useful esp. for viscose prodn.
10/24/1995CA1337408C Soluble phosphorylated glucan
10/10/1995US5456799 Method for controlling activation of lignocellulosic material in the presence of a nitrate containing liquid
10/04/1995EP0674662A1 Method of preparing cellulose solutions
10/04/1995CN1109688A Stable moulding or spinning compound containing cellulose
09/1995
09/19/1995US5451672 Process for producing cellulose acetate
09/13/1995EP0670917A1 Moulding or spinning material containing cellulose.
09/08/1995WO1995023885A1 Process for purifying aqueous solutions of tertiary amino oxides
09/08/1995WO1995023827A1 Process for producing cellulose shaped bodies
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