Patents for C08B 1 - Preparatory treatment of cellulose for making derivatives thereof (2,184)
11/1990
11/27/1990US4973580 Depolymerized dermatan sulfates endowed with an antithrombotic, fibrinolytic, antiinflammatory activity and pharmaceutical compositions containing such
11/13/1990CA1276142C Gel of crosslinked hyaluronic acid for use as a vitreous humor substitute
10/1990
10/16/1990US4963666 Activation with opoxide, crosslinking by drying
09/1990
09/04/1990US4954622 Crystallization
08/1990
08/15/1990CN1044661A Separating method of vegetable cellulose and non-cellulose
08/08/1990EP0221977B1 Depolymerized hexosaminoglucan sulfates endowed with an antithrombotic, fibrinolytic, antiinflammatory activity, their process of preparation and related pharmaceutical compositions
08/08/1990CN1009096B Prepn. of depolymerizing sulfuric acid aminohexose polyose having antithrombotic, solution fibrin and antiphlogistic activity
07/1990
07/24/1990US4943630 Method for carrying out the organic synthesis of oligosaccharides containing galactosamine-uronic acid patterns, new oligosaccharides obtained and biological applications thereof
07/20/1990WO1990008221A1 A method in the manufacture of cellulose pulp
07/20/1990CA2045497A1 Method in the manufacture of cellulose pulp
06/1990
06/05/1990US4931271 Cosmetic compostions based upon N-hydroxybutyl-chitosans, N-hydroxybutyl-chitosans as well as processes for the production thereof
05/1990
05/16/1990CN1042165A Process and arrangement for preparing solution of cellulose
05/08/1990CA1268760A1 Method for producing cellulose triacetate from mercerized or unmercerized bleached cellulose produced from dissociated lignocellulosic material
05/01/1990US4921949 Process for making quaternary chitosan derivatives for cosmetic agents
05/01/1990CA1268456A1 Orally active heparin multiplets
03/1990
03/21/1990EP0359458A1 Production of cellulose acetate
02/1990
02/28/1990EP0356419A2 Process for producing solutions of cellulose
02/07/1990CN1039426A Treating cellulosic sheet material
01/1990
01/17/1990EP0351226A2 Treating cellulosic sheet material
01/02/1990US4891317 Magnetic alternation of cellulose during its biosynthesis
12/1989
12/27/1989EP0172191B1 Modified cellulose fibres
11/1989
11/14/1989US4880469 Process for the preparation of a shapeable solution of cellulose in the presence of a tertiary amine oxide and an additive
11/07/1989US4879375 Preparation of hyaluronic acid from synovial fluid
10/1989
10/31/1989US4877777 Immunobiological response in combination with anticancer drugs
09/1989
09/19/1989US4868289 Interfere with binding of viruses and bacteria, useful against infection and for diagnosis
08/1989
08/15/1989CA1258452A1 Organic synthesis process of oligosaccharides containing galactosamine- uronic acid motives, oligosaccharides thus obtained and their biological uses
08/09/1989EP0326550A1 Method for utilizing an exocellular polysaccharide isolated from zoogloea ramigera
08/09/1989EP0165963B1 Process for the recovery of a gelforming polysaccharide, the recovered polysaccharide as well as the gel formed therewith
07/1989
07/25/1989US4851393 Method for utilizing an exocellular polysaccharide isolated from zoogloea ramigera
07/04/1989US4845204 Cosmetic compositions on the basis of alkyl-hydroxypropyl-substituted chitosan derivatives, new chitosan derivatives and processes for the production thereof
05/1989
05/23/1989US4833131 Anticarcinogenic agents
04/1989
04/26/1989EP0208749B1 Glycosidic derivatives
04/18/1989US4822598 Hair strengthener, conditioner
04/11/1989CA1252460A1 Process for synthesising aldosides or alkyl, cycloalkyl or alkenyl polyaldosides
04/04/1989US4818752 Soluble phosphorylated glucan: methods and compositions for treatment of neoplastic diseases
03/1989
03/22/1989EP0086821B1 A method for increasing the sensitivity of assays
03/21/1989US4814440 Process for producing extractive-material-reduced cellulose
02/1989
02/21/1989US4806475 Alkaline peroxide treatment of agricultural byproducts
02/08/1989EP0189427B1 Orally active heparin multiplets
01/1989
01/18/1989EP0299824A1 Process for the preparation of a cellulose spinning solution containing tertiary-amine oxide and an additive
01/10/1989CA1248522A1 Carboxylated cellulose ester and manufacture thereof
11/1988
11/30/1988EP0187798B1 Process for the synthesis of aldosides or oligoaldosides of alkyl, cycloalkyl or alkenyl
11/24/1988DE3715953A1 Cellulose preparation and sterilisation process for further processing, for alcohol production, for mushroom cultures, for the paper industry and chemical industry or the like, and apparatus for carrying out the process
11/15/1988US4784990 High molecular weight sodium hyaluronate
11/02/1988EP0288494A1 Modification of alginates or other uronic acid compounds by treatment with co 2.
09/1988
09/21/1988EP0185070B1 Gel of crosslinked hyaluronic acid for use as a vitreous humor substitute
09/20/1988CA1242191A1 Alkaline peroxide treatment of nonwoody lignocellulosics
09/13/1988US4769986 Apparatus for washing cellulose with a rotary drum
09/06/1988US4769254 Microbial production of polyfructose
09/06/1988US4769082 Method of pretreatment in saccharification and fermentation of waste cellulose resource
08/1988
08/24/1988EP0221167A4 Preparation of hyaluronic acid.
08/16/1988CA1240671A1 Method for increasing the reactivity of cellulose
08/16/1988CA1240670A1 Modified polysaccharide materials
08/09/1988US4762591 Apparatus for reacting lignocellulosic material with a gas phase comprising a nitrogen oxide and oxygen under controlled gas pressure
08/02/1988US4761402 Soluble phosphorylated glucans
06/1988
06/29/1988EP0272300A1 Material of polysaccharides containing carboxyl groups, and a process for producing such polysaccharides.
05/1988
05/24/1988US4746504 Heavy metal salts of hyaluronic acid and their use as antimicrobial agents
05/10/1988US4742814 Process for production of xylitol from lignocellulosic raw materials
04/1988
04/21/1988WO1988002758A1 Modification of alginates or other uronic acid compounds by treatment with co2
04/19/1988US4739046 Immunobiological response
04/19/1988US4739043 Method for the synthesis of alkyl, cycloalkyl or alcenyl aldosides or polyaldosides
04/06/1988EP0262553A2 Process for treating cellulosic raw materials
03/1988
03/15/1988CA1234105A1 Cellulose dope, process for preparation and method for application thereof
03/09/1988EP0259197A1 Macromolecular conjugates of hemoglobin, process for preparing them and their uses
02/1988
02/16/1988CA1232785A1 Apparatus for treating lignocellulosic material with a gas phase
02/11/1988WO1988000952A1 Method for utilizing an exocellular polysaccharide isolated from zoogloea ramigera
01/1988
01/14/1988WO1988000055A1 Macromolecular conjugates of hemoglobin, their preparation, method and their applications
12/1987
12/30/1987WO1987007898A1 Material of polysaccharides containing carboxyl groups, and a process for producing such polysaccharides
12/29/1987US4716154 Gel of crosslinked hyaluronic acid for use as a vitreous humor substitute
12/17/1987WO1987007618A1 Acid decrystallization of aminopolysaccharides and derivatives thereof
12/08/1987CA1230002A1 Apparatus for treating cellulosic material
11/1987
11/05/1987WO1987006461A1 Cosmetic products based on n-hydroxybutyl-chitosans, new n-hydroxybutyl-chitosans and process for their manufacture
11/04/1987EP0243822A1 Cosmetics based on N-hydroxybutyl chitosans, N-hydroxybutyl chitosans and process for preparing them
10/1987
10/27/1987EP0148259A4 Stabilized chitin.
10/08/1987WO1987005939A1 Family of xanthan-based polysaccharide polymers including non-acetylated and/or non-pyruvylated gum and acetylated or non-acetylated polytetramer gum
08/1987
08/11/1987US4686288 Anticoagulants
07/1987
07/15/1987CN86100178A Process for preparation of glycoside derivatives
06/1987
06/16/1987EP0225317A1 Carboxylated cellulose ester and manufacture thereof
06/09/1987CA1222697A1 Pharmaceutical compositions containing drugs which are instable or sparingly soluble in water and methods for their preparation
05/1987
05/13/1987EP0221167A1 Preparation of hyaluronic acid
05/07/1987WO1987002679A1 Immunotherapeutic treatment
03/1987
03/10/1987US4649113 Alkaline peroxide treatment of nonwoody lignocellulosics
03/04/1987CN86104301A Depolymerizing sulfuric acid aminohexose polyose having antithrombotic, solution fibrin and antiphlogistic activity, and prepn. method of the cpd. and medicinal composition relating to the cpd.
02/1987
02/26/1987WO1987001037A1 Soluble phosphorylated glucan
01/1987
01/21/1987EP0208749A1 Glycosidic derivatives.
01/21/1987EP0208717A1 Microbial production of polyfructose
01/06/1987US4634470 Cleaving and forming hydrogen bonds
11/1986
11/20/1986WO1986006729A1 Depolymerized hexosaminoglucan sulfates endowed with an antithrombotic, fibrinolytic, antiinflammatory activity, their process of preparation and related pharmaceutical compositions
11/20/1986WO1986006728A1 Preparation of hyaluronic acid
10/1986
10/28/1986CA1213276A1 Process for the obtention of mucopolysaccharides having a biological activity and a high level of purity by controled depolymerization of heparin
10/23/1986WO1986006081A1 Carboxylated cellulose ester and manufacture thereof
10/15/1986EP0197748A2 Magnetic alteration of cellulose during its biosynthesis
09/1986
09/24/1986CN86100913A Method of producing high molecular weight sodium hyaluronate by fermentation of streptococcus
09/10/1986EP0193736A2 Cosmetic composition based on alkyl-hydroxypropyl-substituted chitosan derivatives, chitosan derivatives and process for preparing them
08/1986
08/14/1986WO1986004590A1 Cosmetic products based on alkyl hydroxypropyl-substituted chitosan derivatives, new chitosan derivatives and production process
07/1986
07/23/1986EP0187798A1 Process for the synthesis of aldosides or oligoaldosides of alkyl, cycloalkyl or alkenyl.
07/17/1986WO1986004091A1 Microbial production of polyfructose
07/17/1986WO1986004065A1 Glycosidic derivatives
07/15/1986US4600590 Method for increasing the reactivity and digestibility of cellulose with ammonia
07/15/1986CA1207759A1 Mucopoly-saccharide anti-xa iii
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