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WO/1998/054973A1 |
Chemically modified RS�4? starches are provided which have a high degree of resistance to $g(a)-amylase digestion and can serve as low calorie food additives in products such as breads or crackers as a source of dietary fiber. The star...
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WO/1998/050320A1 |
Described herein is a cement fluidifier consisting of starch sulphate, its hydrolysed derivatives, or their salts, where the starch sulphate has a sulphur content of between 6 % and 12 % and a molecular weight of between 3'000 and 50'000...
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WO/1998/049201A1 |
Galactosylated hydroxyalkyl polysaccharides wherein galactose moieties are bound to the hydroxyalkyl polysaccharide by galactosidic bonds, and a process for preparing the galactosylated hydroxyalkyl polysaccharides having the steps: a) p...
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WO/1998/045334A1 |
The invention concerns novel thermoplastic materials which are based on polysaccharide ethers simultaneously substituted by carboxylic acid ester groups and carbamate groups. The invention also concerns mixtures of such derivatives with ...
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WO/1998/044004A1 |
The invention relates to the field of biological chemistry, and to polysaccharides in particular. Specifically, it concerns biological products obtained as a result of the polymerization and crosslinking in an alkaline medium of a gel, c...
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WO/1998/040410A1 |
Methods for syntheses of polyvalent carbohydrate molecules by glycosylations of partially protected polysaccharides with a single glycosylating agent or a mixture of glycosylating agents (i.e., a combinatorial library) are disclosed. An ...
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WO/1998/035992A1 |
A process for the industrial manufacture in an aqueous medium of a slow-release excipient consisting mainly of cross-linked amylose having controlled release properties, for use in the preparation of tablets or pellets. A starch containi...
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WO/1998/033822A1 |
Stable microdispersed polyanhydroglucuronic acid and salts thereof contain in their polymeric chain from 8 to 30 per cent by weight of carboxyl groups, at least 80 per cent by weight of these groups being of the uronic type, at most 5 pe...
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WO/1998/032839A1 |
An agent for dehydrating corneas, in particular eye corneas for organ culture, contains the culture medium and as dehydrating substance hydroxyethylstarch with a mean molecular weight M�W? from 70,000 to 200,000, an MS substitution deg...
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WO/1998/031740A1 |
The present invention relates to a starch which is modified with at least one cationic polymer and a method for its production, which is characterized in that dry, pourable starch is laid out and the cationic polymer is applied over it w...
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WO/1998/031711A1 |
The present invention relates to starch which is modified with at least one cationic polymer (P), and a method for producing same which is characterized in that: a) an anionically modified starch (A) is reacted with the cationic polymer ...
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WO/1998/029456A1 |
The invention concerns a hydroxypropyl starch ester (HPS ester), compositions containing it, and a process for the preparation thereof. According to the invention, the molar substitution in the HPS ester is 2 at the most and the substitu...
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WO/1998/029455A1 |
Process for the preparation of a starch ester, in particular a starch acetate, wherein a starch-based feedstock is reacted with an organic carboxylic acid anhydride in the presence of a catalyst. The reaction of the starch-based feedstoc...
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WO/1998/029454A1 |
A solid absorbing agent for water, aqueous solutions and body fluids is produced by cross-linking an ionic, carboxyl-containing polysaccharide derivative in the presence of 10-80 % by weight water (with respect to the polysaccharide deri...
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WO/1998/027117A1 |
A superabsorbent polysaccharide derivative is obtained by oxidation of the polysaccharide to the extent that the derivative contains 0.2-3.0 carboxyl group per monosaccharide unit and cross-linking the oxidised polysaccharide with 0.001-...
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WO/1998/027118A1 |
The invention relates to a method for the oxidation of starch, wherein a starch suspension is subjected to a reaction with periodate, the reaction mixture is subjected to a separation step, in which the solid constituents are separated f...
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WO/1998/023647A1 |
Polysaccharide derivatives in which some or all of the hydroxyl groups have been substituted by hydrophobic substituent(s) (A) having as the partial structure a C�8-43? hydrocarbon group, and ionic hydrophilic substituent(s) (B) having...
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WO/1998/017260A1 |
System for delivery of a biologically active substance into an environment. First and second chambers are separated by a moveable partition. The first chamber includes a polymer gel network which undergoes a volume change in repsonse to ...
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WO/1998/017692A1 |
This invention describes improvements in or relating to the production of polysaccharide derivatives; more particularly it relates to a method of converting insoluble polysaccharides to a form in which they form part of an anhydrous syst...
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WO/1998/015566A1 |
Methods for producing glycan nitrones comprising reacting glycans with a mono-N-substituted hydroxylamine at pH 6 or greater to form glycan nitrones. Methods for producing glycan derivatives comprising reacting glycan nitrones produced b...
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WO/1998/015347A1 |
The invention relates to the use of modified starch obtainable by treating amylose-containing starch in aqueous medium with an enzyme from the group of the $g(a)-1,4-$g(a)-1,4-glucosyl transferases (EC 2.4.1.25) or an enzyme the activity...
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WO/1998/010861A1 |
The present invention relates to microporous starch granules surface coated with a hydrophobic agent said granules useful in absorbing hydrophobic malodorous materials either from the liquid or gas phase. The hydrophobic granules are use...
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WO/1998/007755A1 |
The invention relates to a process for the manufacture of biodegradable starch esters, which can be thermoplastically processed into extrudates, formed pieces and sheets. The starch is activated by partial swelling and beginning esterifi...
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WO/1998/006755A1 |
The invention relates to thermoplastic processable transesterification or esterification products of starch or starch derivatives with, for example, lactones, fatty acids, esteramides and the like, wherein the starch or the starch deriva...
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WO/1997/049733A1 |
The invention essentially relates to thermally crosslinked polysaccharide derivatives which contained no polymerizable functional groups prior to crosslinking and which are used in particular as support materials for the chromatographic ...
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WO/1997/046591A1 |
A method of making paper comprising the step of adding to a paper furnish, at or prior to the headbox of a paper making machine, a modified starch prepared by swelling a cationised cross-linked starch under conditions selected so that th...
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WO/1997/046592A1 |
The invention relates to a substantially uncrosslinked carboxymethyl starch and a process for the preparation of said substantially uncrosslinked carboxymethyl starch by etherification of native, uncrosslinked starches with monochloracet...
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WO/1997/042225A1 |
High solids maltodextrin syrups, some of which are useful as the base for remoistenable adhesives, are prepared by a high solids alpha amylase enzyme conversion process. They are characterized by their high solids content (at least 55 wt...
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WO/1997/035888A1 |
A process for the degradation of starch, particularly granular starch, using hydrogen peroxide and a catalytic amount of a metal-based coordination complex in an alkaline slurry reaction.
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WO/1997/036051A2 |
A temporary wet strength polymer and compositions for paper products, e.g., toilet tissue, is disclosed. The temporary wet strength polymer is the oxidation product of an esterified polyhydroxy polymer, more preferably of an esterified p...
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WO/1997/035890A1 |
The invention relates to a method for the oxidation of starches or starch derivatives with ozone in an aqueous medium, wherein at least a part of the primary hydroxyl groups are selectively oxidized. In particular, root starches, such as...
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WO/1997/032902A1 |
The invention relates to a method for the dry oxidation of starches or starch derivatives with ozone, wherein at least a part of the primary hydroxyl groups are selectively oxidized. The oxidation can be performed in the presence of a bu...
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WO/1997/032903A1 |
The invention relates to a method for the oxidation of polysaccharides with ozone under the influence of a halogenide-containing catalyst in aqueous medium, wherein, depending on the catalyst and pH, the oxidation can be controlled in th...
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WO/1997/031951A1 |
A process for reducing the viscosity of polysaccharides such as starch by treatment with hydrogen peroxide in the presence of an acylated polysaccharide as an activator is described. The acylated polysaccharide is used in particular in a...
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WO/1997/030091A1 |
This invention relates to novel carboxymethyl-etherified starch derivatives and its manufacturing method and more particularly, to the novel carboxymethyl-etherified starch derivatives and its manufacturing method, wherein its viscosity ...
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WO/1997/026281A1 |
Methods of synthesizing starch acetate containing at least 20 % high molecular weight carbohydrates using an MSA catalyst alone, or in combination with a co-catalyst promoting cross-linking, such as a phosphoric acid, are described. The ...
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WO/1997/020860A1 |
The invention relates to a process for the alcaline oxidative degradation of an ose, an ulose, polymers or mixtures thereof in aqueous solution and in the presence of a redox couple comprised of a mixture of monosulfonic anthraquinone-2-...
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WO/1997/017492A1 |
A process for the manufacture of a lignocellulose-based product from a lignocellulosic material comprises treating the lignocellulosic material and a phenolic polysaccharide with an enzyme capable of catalyzing the oxidation of phenolic ...
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WO/1997/013789A1 |
A modified starch and a coating slip containing the same are described. The modified starch is characterised in that it has a degree of substitution in respect of carboxyl groups of 0.005-0.070, a degree of substitution in respect of cat...
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WO/1997/004011A1 |
The invention relates to substantially photochemically cross-linked polysaccharide derivatives that do not contain photopolymerisable functional groups prior to the cross-linking, which can be used as carrier materials for the chromatogr...
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WO/1997/003120A1 |
The invention relates to a process for thermoplastisizing starch, a melt-processible polymer composition, which contains a starch-based component and a thermoplastisized polymer component, and a method for preparing such a composition. A...
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WO/1997/003121A1 |
The invention concerns a biodegradable starch composition, a process for the preparation thereof, the use of the composition and a process for increasing the degradation rate of intermediate products manufactured from starch derivatives ...
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WO/1997/002018A1 |
The present invention is related to a composition for pH dependent or pH regulated controlled release of active ingredients especially drugs. The composition consists of a compactible mixture of the active ingredient and starch molecules...
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WO/1997/002293A1 |
A polycarboxylic acid prepared by the oxidation of a polysaccharide composed of anhydrous glucose units and having a high carboxyl content and a weight-average molecular weight of 2000 or above; or salts thereof. This acid consumes 435 m...
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WO/1996/040082A2 |
System for delivery of a biologically active substance into an environment. First and second chambers are separated by a moveable partition. The first chamber includes a polymer gel network which undergoes a volume change in response to ...
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WO/1996/038484A1 |
The invention relates to oxidized polymeric carbohydrate ethers or mixtures thereof with a degree of polymerization of at least 10. These compounds possess an excellent sequestering and anticrustation activity and are therefore used with...
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WO/1996/037643A1 |
A process for producing coloured regenerated cellulose fibres is characterised in that a composition of a cationic polysaccharide and of an anionic dye is added to a viscose mass, alkaline cellulose or cellulose solution before spinning ...
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WO/1996/037641A1 |
Sulphonated regenerated cellulose fibres are produced by adding a modifier to a viscose mass or to an alkaline cellulose or cellulose solution and by spinning it into fibres. The modifier is starch etherified with C2-C5 alkyl sulphonic a...
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WO/1996/037642A1 |
Aminated regenerated cellulose fibres are produced by adding to a viscose mass, alkaline cellulose or cellulose solution one or several starches with a substitution degree from 0.1 to 3 etherified with C2-C5 alkylamines that may be furth...
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WO/1996/037559A1 |
A formulation essentially consists of a cationic polysaccharide and one or several anionic dyestuffs.
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