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WO/2000/045802A2 |
The present invention provides methods of promoting the healing of cutaneous wounds and ulcers in vertebrates by administering a composition of a branched chain polymeric $g(a)-D-glucan to the wound or ulcer. In a preferred embodiment, t...
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WO/2000/043423A1 |
Modified polysaccharides (such as starches, gums, chitosans, celluloses, alginates, sugars, etc.), which are commonly used in the paper industry as strengthening agents, surface sizes, coating binders, emulsifiers and adhesives, can be c...
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WO/2000/042075A1 |
The invention relates to malatyl polysaccharides which are obtained by reacting polysaccharides and cis epoxy succinate or epoxy carboxylic acids. The invention further relates methods for producing them and to their use in washing agent...
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WO/2000/042076A1 |
The invention relates to a process for preparing a hydrophobic starch, comprising etherification, esterification or amidation of a root or tuber starch comprising at least 95 wt.% of amylopectin, based on dry substance of the starch, or ...
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WO/2000/040618A1 |
A graft polymer comprises a carbohydrate polymer having pendant 3-amino-2-hydroxy propyl groups grafted thereon and may be employed as a retention aid and strengthening additive in paper manufacture. When the carbohydrate polymer is a co...
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WO/2000/040617A1 |
The present invention relates to a method for the preparation of starch particles in a two-phase system, which method comprises at least the following steps: a) a preparation of a first phase comprising a dispersion of starch in water; b...
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WO/2000/037505A1 |
The invention relates to starch phosphates exhibiting improved properties with regard to application techniques, to a method for the production thereof, and to their use. Based on the disadvantages of the known prior art, the aim of the ...
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WO/2000/035958A1 |
The invention relates to a cost-effective method for producing precipitated starch esters consisting of carboxylic reaction solutions. The starch esters obtained by the inventive method are particularly suitable for producing dry blends ...
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WO/2000/035504A1 |
A process is disclosed for producing an acidic superabsorbent polysaccharide derivative, comprising the steps of: (a) crosslinking at least one polysaccharide containing acidic groups, such as carboxymethyl cellulose and/or 6-carboxy sta...
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WO/2000/036007A1 |
The invention relates to a method for economically producing starch esters from carboxylic reaction mixtures, whereby said starch esters contain softeners and can be processed in a thermoplastic manner. The method is characterised in tha...
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WO/2000/031144A1 |
A starch ester formed by replacing the hydrogen atoms of reactive hydroxyl groups present in each of starch molecules with C¿2-4? acyl groups and C¿6-18? acyl groups. By regulating the degree of replacement with the long-chain acyl gro...
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WO/2000/031145A1 |
The viscosity of starch and other carbohydrates can be lowered inexpensively, rapidly and without residual streams by treatment with hydrogen peroxide and a catalyst, in particular an organic acid or acid anhydride. After carbohydrate, h...
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WO/2000/027886A1 |
A process for the preparation of cross-linked polysaccharides containing carboxy groups, allowing complete control of cross-linking degree as well as high reproducibility in terms of constant characteristics of the final product. The pro...
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WO/2000/026257A1 |
A novel oxidation product derived from a carbohydrate containing 1,2-dihydroxyethylene groups in its repeating units, can be obtained by at least partially oxidising the 1,2-dihydroxyethylene groups of the carbohydrate to dialdehyde grou...
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WO/2000/024783A1 |
According to the invention, a starch ester is obtained as a solid from a high viscosity starch ester-reaction mixture containing carboxylic acid in which a starch ester is present having a substitution degree of DS = 0.5 to DS = 2.95 in ...
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WO/2000/015670A1 |
The invention relates to a process of oxidizing starch wherein a root or tuber starch, comprising at least 95 wt.% based on dry substance of the starch of amylopectin, or a derivative thereof, is treated with hydrogen peroxide in the pre...
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WO/2000/015669A1 |
The object of the invention is a novel cationic starch which consists of natural products such as starch and betaine. In the product, betaine is covalently bound via an ester bond to a part of the hydroxyl groups of the starch, when the ...
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WO/2000/012746A1 |
The invention provides a method of preparing a stable enzyme-thinned starch dispersion characterized by a selected degree of thinning including the steps of: (a) combining a derivatized granular starch with an alpha-amylase enzyme to for...
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WO/2000/010987A1 |
An aqueous solution of 2,3-Epoxypropyltrimethylammonium chloride having reduced color and method of preparation are disclosed. 2,3-Epoxypropyltrimethylammonium chloride is treated with sodium hypochlorite to reduce its color. 2-3-Epoxypr...
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WO1999064508A9 |
Reversible swellable modified starch products are provided in the form of individual, chemically cross-linked starch granules capable of undergoing multiple hot or cold water swelling/drying cycles without losing the individuality of the...
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WO/2000/006607A1 |
The invention relates to a process for the oxidation of starch, wherein a root or tuber starch comprising at least 95 wt.% of amylopectin, based on dry substance of the starch, is treated with an oxidizing agent and the resulting product...
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WO/2000/006664A1 |
The present invention relates to a wellbore fluid comprising a particulate material composed of the reaction product of: A) one or more water soluble organic compound possessing a molecular weight of less than 30,000 and possessing at le...
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WO/2000/004891A2 |
A pharmaceutical composition for the prophylaxis or treatment of peptic ulcers includes a biocompatible anionic polysaccharide material containing glucuronic acid.
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WO/2000/004937A1 |
A flat flexible material in the form of a non-woven textile-like material, a foam or film is formed from a biocompatible anionic polysaccharide material. At least 5 % of the basic structural units of the polysaccharide material are glucu...
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WO/2000/005269A1 |
A biocompatible intermolecular polymer complex comprises an anionic component and a non protein cationic component. The anionic component comprises a linear or branched polysaccharide chain wherein at least 5 % of the basic structural un...
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WO/2000/004925A1 |
A slow release formulation includes a biocompatible anionic polysaccharide material containing glucuronic acid in the polymer chain.
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WO/2000/004877A1 |
A suppository formulation for rectal or vaginal administration includes a biocompatible anionic polysaccharide material wherein at least 5 % of the basic structural units of the polysaccharide are glucuronic acid.
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WO/2000/004939A1 |
A dental pin for insertion into a cavity from which a tooth has been removed comprises a body to at least partially conform with the shape of the cavity after tooth extraction. The body is formed from a biocompatible haemostatic polysacc...
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WO/2000/004882A1 |
A dosage formulation comprises a tablet, a pellet, a granule or a microsphere of a polysaccharide. The polysaccharide is a biocompatible anionic polysaccharide material wherein at least 5 % of the basic structural units of the polysaccha...
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WO/2000/004907A1 |
An antilipemic composition, particularly to achieve a lowering of cholesterol levels comprises a biocompatible anionic polysaccharide material containing non-sulphated glucuronic acid.
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WO/1999/067295A1 |
Disclosed is a method for preparing a hydroxyalkyl starch. In accordance with the disclosed invention, the method comprises reacting the starch with a starch hydroxylating agent in the presence of an alcohol and an alcohol-soluble alkali...
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WO/1999/064466A1 |
The invention relates to a process for preparing a starch dextrin wherein a starch comprising at least 95 wt.%, based on dry substance of the starch, of amylopectin or a derivative of said starch is dextrinized. The invention further rel...
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WO/1999/064467A1 |
The invention relates to a process for preparing a phosphate ester of starch, wherein a starch comprising at least 95 wt.%, based on dry substance of the starch, of amylopectin, is reacted with phosphoric acid or an orthophosphate salt a...
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WO/1999/062957A1 |
The invention relates to a method for producing starch solutions of high cation equivalent value (with a DS of 0.1 - 1.0). The starch to be cationized, advantageously an oxidized starch, is slurried to form a suspension of about 10 - 80 ...
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WO/1999/058574A1 |
The invention provides amino-carboxylic acid derivatives of a carbohydrate, wherein at least one -CHOH- or -CH¿2?OH group per 10 monosaccharide units has been converted to a group having the general formula (1): -CH¿2?-A-[NH-(CH¿2?)¿...
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WO/1999/057158A1 |
Primary alcohols, especially in carbohydrates, can be selectively oxidised to aldehydes and carboxylic acids in a low-halogen process by using a peracid in the presence of a catalytic amount of a di-tertiary-alkyl nitroxyl (TEMPO) and a ...
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WO/1999/055784A1 |
Improved water resistant acetal sizing agents including 1,1-octadecoxyoctadecane are provided along with methods for their synthesis including methods in which C¿8? to C¿30? alkyl bromides are reacted with a polyol under basic conditio...
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WO/1999/042139A2 |
The invention relates to novel hydroxyethyl starch conjugates and their use in medical diagnosis.
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WO/1999/041287A1 |
The invention relates to a method for producing compostable starch esters which can be subsequently converted into thermoplastically deformable products, said method being carried out in a continuous or discontinuous way. The activation ...
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WO/1999/035325A1 |
The present invention relates to the sizing of textile fibres. More specifically, the present invention relates to a process for textile warp sizing using enzymatically modified starches.
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WO/1999/033905A1 |
A method of imparting water resistance to a molded polysaccharide having poor water resistance because of its high hydrophilicity, which comprises bonding a prolamin such as zein to the surface of the molded polysaccharide.
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WO/1999/032652A1 |
The present invention deals with a process for oxidation of a hydroxy group of C¿1? and/or C¿2? and/or C¿3? and/or C¿4? and/or C¿5? and/or C¿6? of a sugar monomer of an oligo- or a polysaccharide comprising contacting, in an aqueou...
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WO/1999/029328A1 |
The invention relates to polysaccharides, polysaccharide conjugates with altered biological properties, and methods to produce these polysaccharides and conjugates.
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WO/1999/023118A1 |
The invention relates to the reaction of a polyhydroxy polymer or a derivative thereof with at least one lactone, lactam or one suited carboxylic acid in order to produce a preferably biodegradable polymer resulting in a homogenous melti...
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WO/1999/023240A1 |
The invention concerns a method for producing oxidized starch. According to the method, the starting material containing starch is contacted with a reagent producing oxoammonium ion, in particular 2,2,6,6,-tetramethylpiperidin-1-oxyl, in...
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WO/1999/023156A1 |
Modified starches prepared by cooking an amphoteric or cationic starch and an anionic, amphoteric, or cationic polyacrylamide have utility as a retention aid in the manufacture of paper.
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WO/1999/023155A1 |
Modified starches prepared by cooking an amphoteric or cationic starch and certain polyacrylamides have improved performance in paper making if a soluble aluminum compound also is present.
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WO/1999/012976A1 |
A biodegradable, highly water-absorbing polymer based on starch or derivatives thereof is described, wherein the starch has not been chemically modified or only to a degree of substitution below 0.2, and has a water-absorbing power of at...
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WO/1999/012977A1 |
The present invention relates to a process for the preparation of a stable, chlorine free modified starch which is useful in paper coating and sizing. In the process, starch is degraded by catalyzed hydrogen peroxide oxydation, and stabi...
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WO/1999/009251A1 |
The invention provides methods for the preparation of a starch copolymer product which is the reaction product of starch and one or more synthetic monomers capable of undergoing free radical polymerization wherein the reaction product is...
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