Patents for C08B 1 - Preparatory treatment of cellulose for making derivatives thereof (2,184)
09/1995
09/06/1995CN1029685C Processing method of aqueous solvent rubber glue slurry substitute
08/1995
08/30/1995EP0668941A1 Transport of solutions of cellulose through pipes.
07/1995
07/05/1995EP0660743A1 Forming solutions.
07/05/1995CN1104647A Manufacture of nm avicel powder by solvent process
06/1995
06/15/1995WO1995016063A1 Process for producing shaped cellulose bodies
06/15/1995CA2155550A1 Process for producing shaped cellulose bodies
05/1995
05/18/1995WO1995013419A1 Implementation of dissolved solids profiling
05/09/1995US5413631 Formation of a cellulose-based premix
04/1995
04/27/1995WO1995011261A1 Method of preparing cellulose solutions
04/27/1995CA2151711A1 Method of preparing cellulose solutions
04/26/1995EP0649436A1 Stable moulding or spinning compound containing cellulose.
04/25/1995US5410034 Dispersion in strong base; freezing to solidify; warming; dilution
04/25/1995US5409532 Amine-oxides
04/19/1995EP0648808A1 Cellulose molding solution and process for molding therefrom
04/12/1995EP0647466A2 Cellulosic membranes
04/05/1995EP0646135A1 Gel production from plant matter
03/1995
03/29/1995EP0644901A1 Process for activation of cellulose
03/28/1995US5401304 Method for the manufacture of solvent-spun cellulose fibre involving transport of cellulose solution through pipes
03/23/1995WO1995008010A1 Moulding or spinning material containing cellulose
03/08/1995EP0641802A2 Process for treating cellulose
03/01/1995CN1099444A Dissolved solids control in pulp production
02/1995
02/14/1995CA1334322C Process and arrangement for preparing a solution of cellulose
12/1994
12/20/1994CA1333598C Treating cellulosic sheet material
12/08/1994WO1994028217A1 Formation of a cellulose-based premix
12/08/1994WO1994028213A1 Transport of solutions of cellulose through pipes
12/08/1994CA2163269A1 Transport of solutions of cellulose through pipes
12/08/1994CA2163261A1 Formation of a cellulose-based premix
12/07/1994CN1096033A Process for producing cellulose acetate
12/06/1994US5371207 For more uniform activation
11/1994
11/30/1994EP0626391A1 Process for producing cellulose acetate
11/24/1994DE4329937C1 Process for the treatment of cellulose to activate it for subsequent chemical reactions
11/16/1994CN1026591C Process and arrangement for preparing solution of cellulose
11/10/1994WO1994025668A1 Dissolved solids control in pulp production
11/10/1994WO1994025492A1 Stable moulding or spinning compound containing cellulose
11/10/1994CA2424682A1 Dissolved solids control in pulp production
11/10/1994CA2137783A1 Stable moulding or spinning compound containing cellulose
11/08/1994US5362867 Method of making cellulose yarn solution
11/02/1994EP0272300B1 Material of polysaccharides containing carboxyl groups, and a process for producing such polysaccharides
10/1994
10/11/1994US5354371 Transport of solutions of cellulose through pipes
09/1994
09/14/1994CN1092077A A novel method of improving the acetylation of cellulose
09/01/1994WO1994019405A1 Cellulose molding solution and process for molding therefrom
08/1994
08/31/1994EP0612326A1 Cereal extracts
08/17/1994EP0454757B1 A method in the manufacture of cellulose pulp
08/10/1994CA2089117A1 Method of improving the acetylation of cellulose
07/1994
07/19/1994US5330567 Process and arrangement for preparing a solution of cellulose
04/1994
04/19/1994CA1328602C Hemoglobin macromolecular conjugates, their preparation process and their uses
03/1994
03/31/1994WO1994006530A1 Forming solutions
03/31/1994CA2142620A1 Forming solutions
02/1994
02/17/1994WO1993025584A3 Process for activation of cellulose
01/1994
01/26/1994CN1081185A Technology for producing microcrystalline cellulose with sulfated waste cotton velvet
01/18/1994CA1326236C Production of cellulose acetate
12/1993
12/23/1993WO1993025584A2 Process for activation of cellulose
12/23/1993CA2136733A1 Process for activation of cellulose
11/1993
11/10/1993CN1022687C Process for prepn. of glycoside derivatives
09/1993
09/22/1993EP0247071B1 Immunotherapeutic treatment
08/1993
08/11/1993EP0323952B1 Family of xanthan-based polysaccharide polymers including non-acetylated and/or non-pyruvylated gum and acetylated or non-acetylated polytetramer gum
08/04/1993CN1074899A Amine-oxides
07/1993
07/28/1993EP0553070A1 Amine oxides
07/24/1993CA2087505A1 Amine-oxides
06/1993
06/02/1993CN1072688A Producing method for rubber slurry using water as solvent
06/01/1993US5216144 Method of producing shaped cellulosic articles
05/1993
05/27/1993WO1993010158A1 Gel production from plant matter
05/27/1993WO1993010157A1 Cereal extracts
05/27/1993CA2123613A1 Cereal extracts
05/05/1993EP0288494B1 Modification of alginates or other uronic acid compounds by treatment with co 2
04/1993
04/13/1993CA1316170C Glycosidic derivatives
03/1993
03/23/1993US5196069 Converting cellulosic wastes into soluble saccharides
02/1993
02/23/1993US5189152 Solution of cellulose in water and n-methylmorpholine-n-oxide; discoloration inhibition
01/1993
01/27/1993CN1068336A Process for producing cellulose acetate
12/1992
12/15/1992US5171592 Ammonia freeze explosion technology to increase digestibility and cheamical reactivity; recovery of valuable components; use of superheated vapors to dry or heat and recycled
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
11/04/1992EP0511690A2 Family of xanthan-based polysaccharide polymers including non-acetylated and/or non-pyruvylated gum
06/1992
06/17/1992EP0490870A2 Process for the production of cellulose articles
06/08/1992CA2057133A1 Method of producing shaped cellulosic articles
05/1992
05/19/1992US5114535 Process for the production of cellulose acetate from wood pulp
05/12/1992US5112964 Rice bran, wheat bran and grain husks modified with amylase and hot water to remove starch
05/12/1992CA1300612C Immunotherapeutic treatment
04/1992
04/15/1992CN1060295A Solution of cellulose in water and n- methylmorpholine-n-oxide
03/1992
03/11/1992CN1059378A Manufacturing method of viscose staple fibre
03/10/1992US5094690 Process and arrangement for preparing a solution of cellulose
01/1992
01/22/1992EP0467008A1 Aqueous N-methylmorpholine N-oxide solution of cellulose
01/17/1992CA2046783A1 Cellulose solution in water and nmmo
01/15/1992EP0232405B1 Soluble phosphorylated glucan
01/07/1992US5079337 Transfusions of synthetic blood; nondiffusing from vascular systems; reversible oxygen carriers
11/1991
11/06/1991EP0454757A1 A method in the manufacture of cellulose pulp.
10/1991
10/23/1991EP0452610A2 Process for the preparation of an aqueous N-methylmorpholine N-oxide solution of cellulose
10/21/1991CA2040844A1 Method of making an aqueous solution of cellulose
09/1991
09/24/1991US5051408 Antitumor agents and insulin
09/05/1991WO1991013099A1 Biomass refining process
09/04/1991EP0444335A1 Methods for producing bleached, mercerized and unmercerized cellulose and for producing cellulose triacetate therefrom
08/1991
08/06/1991US5037663 Process for increasing the reactivity of cellulose-containing materials
08/06/1991US5036900 Method for acetylating shredded cellulosic
05/1991
05/28/1991US5019649 Method for obtaining biologically active mucopolysaccharides of high purity, by controlled depolymerization of heparin
04/1991
04/30/1991CA1283655C Acid decrystallization of aminopolysaccharides and derivatives thereof
04/16/1991CA1283098C Depolymerized hexosaminoglucan sulfates endowed with an antithrombotic, fibrinolytic, antiinflammatory activity, their process of preparation and related pharmaceutical compositions
02/1991
02/26/1991US4995943 Compression, decompression
02/05/1991US4990601 Supercritical conditions
12/1990
12/11/1990CA1277626C Magnetic alteration of cellulose during its biosynthesis
12/11/1990CA1277532C Apparatus for washing cellulose
1 ... 9 10 11 12 13 14 15 16 17 18 19 20 21 22