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Matches 501 - 550 out of 2,061

Document Document Title
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...  
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 ...  
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...  
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...  
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...  
WO1997036051A3  
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.  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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-...  
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 ...  
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...  
WO1996040082A3  
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...  
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...  
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 ...  
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...  
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...  
WO1996036653A3  
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 ...  
WO1996034968A3  
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...  
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...  
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...  
WO/1996/037559A1
A formulation essentially consists of a cationic polysaccharide and one or several anionic dyestuffs.  
WO/1996/036653A2
A new type of water-resistant barrier material is proposed. The barrier material in question is intended for use in particular for finishing, forming or building up protective, adhesive and intermediate layers or films or in the producti...  
WO/1996/035840A1
A novel adhesive composition for paper and cardboard is described, which contains a cationic polysaccharide esterified by a dicarboxylic acid anhydride, characterised in that said dicarboxylic acid anhydride is substituted by a saturated...  
WO/1996/034934A1
Detergent builder/activators which can be produced from renewable resources are provided. The detergent builder/activators are obtainable by a process comprising subjecting a poly(saccharide) comprising a vicinal diol moiety to the indep...  
WO/1996/034903A1
Graft polymers are obtained by radically initiated polymerisation of (A) monomers or monomer mixtures of (a) 10 to 100 % by weight N-vinyl carboxylic acid amides having the formula (I), in which R1 stands for R2=H and C1-C6 alkyl, (b) 0 ...  
WO/1996/034968A2
Disclosed is a nucleotide sequence encoding an effective portion of a class A starch branching enzyme (SBE) obtainable from potato plants, or a functional equivalent thereof, together with, inter alia, a corresponding polypeptide, a meth...  
WO/1996/030414A1
The invention concerns a biodegradable composition comprising a starch/protein reaction product which is obtained by reacting a starch with deproteinized protein. The composition optionally contains one or a plurality of substances selec...  
WO/1996/029351A1
A process for producing polycarboxylic acids or their salts from polysaccharides by oxidation with gaseous nitrogen dioxide/dinitrogen tetroxide with the conversion of at least a part of the primary alcohol groups of the polysaccharides ...  
WO/1996/027616A1
A starch which has been esterified and grafted with a polyester. The esterifiying acid is at least one member selected from among saturated and unsaturated C2-18 fatty acids and aromatic carboxylic acids. The polyester is a polymer prepa...  
WO/1996/027618A1
In order to improve a process for preparing polycarboxylic acid salts by oxidising polysaccharides with nitrogen dioxide/dinitrogen tetroxide, so that at least part of the primary alcohol groups of the polysaccharides may be converted in...  
WO/1996/027617A1
A modified starch which has been esterified and grafted with a polyvinyl ester and is usable as a biodegradable molding material. The esterifying acid is at least one member selected from among saturated and unsaturated C2-18 fatty acids...  
WO/1996/020220A1
Biodegradable thermoplastic starches contain side chains bound by ester groups. The percentage by weight of the side chains equals at least 10 in relation to the molecular weight (numeric mean value Mn) of the biodegradable thermoplastic...  
WO1996002276A3  
WO/1996/015163A1
The invention provides a superabsorbent material which comprises a combination of (1) a cationic superabsorbent in which from 20 to 100 % of the functional groups are in basic form, and (2) a cationic exchanger in which from 50 to 100 % ...  
WO/1996/014342A1
A process for producing a starch ester by the reaction of starch with a vinyl ester having a C2-C18 ester group in the presence of an esterification catalyst in a nonaqueous organic solvent. The esterified starch is biodegradable, has hi...  
WO/1996/013525A1
In a cationic modification process for starch, starch is reacted with polymers that contain amino and/or ammonium groups in an aqueous medium at temperatures from 115 to 180 �C under an increased pressure and in the absence of oxidiser...  
WO/1996/009327A1
A starch cationization process comprises suspending the starch in an aqueous alcoholic alkaline solvent containing a critical level of water (starch to water ratio 1:3 to 3:1), heating the reaction mixture for a few minutes at 30-90 �C...  
WO/1996/006866A1
The invention relates to a method of continuously modifying starch, wherein a suspension of starch granules (slurry) is heated in an aqueous liquid to a temperature at which still no gelatinization occurs, then lye and reagent are contin...  
WO/1996/003891A1
A granular starch or flour which is both thermally-inhibited and pregelatinized is used as an ingredient in various foods. The starches are functionally equivalent to chemically cross-linked starches. The starches or flours are prepared ...  
WO/1996/004315A1
Thermally inhibited starches and flours are prepared by a process comprising dehydrating and heat treating a granular starch or flour.  
WO/1996/004316A1
This invention covers pregelatinized starches and flours that are thermally inhibited and that exhibit a noncohesive texture when dispersed or dissolved in cold water.  

Matches 501 - 550 out of 2,061