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7285586 |
Use of starch dispersions as binder in coating compositions and process for preparing the starch dispersions
Coating compositions comprising a pigment and starch dispersion of discrete crosslinked starch particles in an aqueous liquid. The dispersion may be used as coating color for paper. A preferred...
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7276126 |
Production of enzyme-resistant starch by extrusion
A process for producing alpha-amylase resistant starch comprises extruding a feed starch at a temperature in the range of about 60-220° C., thereby producing a product alpha-amylase resistant...
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7157573 |
Hydrophobic starch derivatives
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,...
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7091192 |
Linear cyclodextrin copolymers
Linear cyclodextrin copolymers and linear oxidized cyclodextrin copolymers containing an unoxidized and/or an oxidized cyclodextrin moiety integrated into the polymer backbone are described....
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7071327 |
Polysaccharide-based superabsorbent film
A superabsorbent polysaccharide can be obtained by crosslinking a polysaccharide or derivative thereof with at least 1% by weight of a flexible spacer having a chain length of at least 9 chain...
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6921819 |
Polysaccharide crosslinking, hydrogel preparation, resulting polysaccharide(s) and hydrogel(s), uses thereof
The invention relates to a process for the crosslinking of polysaccharides. The process of the invention is a process for the crosslinking of at least one polymer selected from polysaccharides and...
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6884885 |
Production of cyclodextrin complexes
The process entails increasing the concentration of cyclodextrin to 15% (w/w) and above to form complexes through a precipitation process in order to increase the yield of complexes, increase the...
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6884789 |
Linear cyclodextrin copolymers
Linear cyclodextrin copolymers and linear oxidized cyclodextrin copolymers containing an unoxidized and/or an oxidized cyclodextrin moiety integrated into the polymer backbone are described....
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6846497 |
Rapidly expanding starches with altered crystalline structure
This invention relates to a starch based tablet disintegrant useful at low addition levels and providing equally effective properties in water and physiological fluids. The starches are...
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6843888 |
Starches for use in papermaking
This invention relates to a degraded, inhibited cationic starch for use in papermaking systems, which affords improved physical properties, particularly strength. Additionally these derivatives...
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6809197 |
Emulsion stabilizing starch products
Novel modified starch products and methods of preparation thereof are disclosed, wherein the starch products exhibit excellent water hydration and emulsion stabilization properties, while...
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6770755 |
Process of oxidizing primary alcohols
In a new process for oxidizing a primary and/or secondary alcohol, an oxidizing agent is used in the presence of a di-tertiary-alkyl nitroxyl, in an aqueous reaction medium at a pH of below 7. The...
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6755915 |
Method for the preparation of starch particles
A method for the preparation of starch particles in a two-phase system 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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6696563 |
α-Amylase-resistant polysaccharides, production method, use and foods containing these polysaccharides
The invention relates to a production method of α-amylase resistant polysaccharides with high RS content, comprising the following steps: a) producing a paste of water-insoluble...
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6670470 |
Modified starch
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...
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6617448 |
Process for producing grosslinked starch derivatives and crosslinked starch derivatives produced by the same
A paste of starch derivative is crosslinked by irradiation with γ-rays or electron beams in a dose of 0.1-200 kGy. Two different levels of crosslinking are performed; the first is mild...
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6605715 |
Process for the preparation of a starch ester
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....
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6596860 |
Adhesive composition
The invention relates to an adhesive composition comprising a derivative of a starch, which comprises at least 95 wt. % of amylopectin, based on dry substance of the starch, wherein the derivative...
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6541060 |
Stabilized or stabilized, crosslinked waxy potato starch
Compositions, particularly foodstuffs, were thickened by the inclusion of an effective amount of a stabilized waxy potato starch, particularly a stabilized, crosslinked waxy potato starch, more...
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6482876 |
Agglomerates for the production of an aqueous binder system
The invention relates to an agglomerate containing at least one of the following water-soluble or water-dispersible materials as a bonding base polymer: carboxylized and/or alkoxylized starch,...
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6417171 |
Preparation of polymers by interfacial derivatization
This invention utilizes methods of emulsion chemistry to derivative polymers, as distinguished from the synthetic methods of the prior art, whereby such polymers are derivative in a true solution....
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6331619 |
Superabsorbent material and method for producing said material
A superabsorbent polysaccharide derivative is obtained by oxidation of the polysaccharide to the extent that the derivative contains 0.2-0.3 carboxyl group per monosaccharide unit and cross-linking...
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6229009 |
Polycarboxylic based cross-linked copolymers
A cross-linked copolymer based on at least one non-crosslinked polycarboxylic polysaccharide and at least one second non-crosslinked polycarboxylic polymer which is not a polycarboxylic...
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6147175 |
Crosslinked biological products, process for obtaining such products, and their use as removers
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...
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6086917 |
Tablet containing an enzymatically converted starch derivative encapsulating agent
The present invention is directed to a tablet, particularly a pharmaceutical dosage form, which contains an encapsulating agent comprising a modified starch which is prepared by enzymatic...
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5998606 |
Mn(IV)-mediated crosslinking and functionalization of chromatography media
Novel methods are described to synthesize chromatography media. The methods describe a crosslinking procedure utilizing the catalytic effect of MnO(OH) 2 in obtaining a very rigid matrix. The...
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5851959 |
High temperature stable modified starch polymers and well drilling fluids employing same
A modified starch polymer derived from an unmodified starch having an amylopectin content of at least 80% by weight. The starch is modified by crosslinking with epichlorohydrin, the amount of...
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5833755 |
Starch degradation using metal-based coordination complexes
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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5827372 |
Aqueous alcoholic aklaline process for cationization and anionization of normal, waxy, and high amylose starches from cereal, legume, tuber and root sources
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...
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5739316 |
Cross-linked cellulose hydrate membranes
A process for cross-linking a cellulose hydrate membrane by use of a water-soluble diepoxide in an alkaline solution. The membrane so produced is highly resistant to attack by alkalis, acids and...
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5688776 |
Crosslinked polysaccharides, process for their preparation and their use
The invention relates to polysaccharides which are crosslinked with bifunctional crosslinkers and are no longer water-soluble but are still biodegradable, have a swelling of from 100 to 1000%,...
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5629416 |
Method of preparing crosslinked starch esters
A process for preparing biodegradable, high humidity resistant crosslinked starch esters comprising reacting starch with monocarboxylic acid anhydride in a caustic catalyzed system to a DS of about...
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5612321 |
Antioxidant grafted polysaccharides
Grafted polysaccharide compositions comprising polysaccharides grafted with antioxidants on at least one hydroxyl group of the polysaccharide. The use of antioxidant grafted polysaccharides or...
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5541304 |
Crosslinked hydrogel compositions with improved mechanical performance
This invention provides a method of altering the water content of a hydrogel comprising treatment of said hydrogel with a liquid dehydrating composition. There is further provided a method of...
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5523339 |
Method of papermaking using crosslinked cationic/amphoteric starches
A method of making paper in an alkaline or acid system wherein a selected crosslinked, cationized or amphoteric starch is added to the system, said starch being crosslinked by adding enough...
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5498705 |
Modified polysaccharides having improved absorbent properties and process for the preparation thereof
Disclosed is a method for producing a surface-crosslinked, modified polysaccharide having improved absorption properties. The method involves forming a mixture of water and a crosslinking agent,...
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5470964 |
Process for the preparation of modified polysaccharides having improved absorbent properties
Disclosed is a method for producing a surface-crosslinked, modified polysaccharide having improved absorption properties. The method involves forming a mixture of water and a crosslinking agent,...
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5385608 |
Absorbable dusting powder derived from reduced-protein modified starch
Absorbable dusting powders suitable for medical, consumer and industrial applications such as lubricating gloves and medical apparatus are prepared by treating starch with a hypochlorite to remove...
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5367068 |
Glass-like polysaccharide abrasive grit
The present invention relates to a method for treating, and in particular for abrading surfaces, utilizing glass-like polysaccharide grits. The invention also extends to novel glass-like...
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5342932 |
Process for preparing non-hydroxypropylated, deflavored, crosslinked, pregelatinized, starch and product
Raw starch which has been treated with an emulsifying agent during a wash step, such as during refining, is alkali-treated, washed to remove flavor, crosslinked, neutralized, gelatinized and dried...
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5324823 |
Adsorbent for cellular fibronectin and a method for fractional purification of fibronectin
The invention provides a selective adsorbent for cellular fibronectin (cFN) and a method for fractional purification of FN which includes contacting an FN material containing plasma fibronectin...
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5320669 |
Cereal grain-based biodegradable thermoplastic compositions
The present invention provides a biodegradable thermoplastic composition made of a cereal grain that is treated with an organic solvent, and optionally a cross-linking agent such as an aldehyde, an...
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5126334 |
Absorbable dusting powder derived from starch
Absorbable dusting powders suitable for medical applications such as lubricating surgical gloves are prepared by treating starch with a hypochlorite to remove protein and oxidize some of the...
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5075432 |
Spherical cyclodextrin polymer beads
The process entails forming a droplet of water, cyclodextrin and base in a non-polar solvent such as methylisobutylketone using polyvinyl butyral as an emulsifier. A cross-linking agent such as...
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5032683 |
Glyoxal modified aqueous starch dispersion and method
Modified starch dispersions are prepared by gelatinizing various starches and starch blends and reacting the starch in the presence of a glyoxal compound to produce an aqueous starch dispersion...
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4973447 |
Freeze-thaw stable modified waxy barley starch
Improved dual modified waxy barley starch products are provided which exhibit excellent freeze-thaw stability and other properties making the starches eminently suited for incorporation into food...
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4963666 |
Material of polysaccharides containing carboxyl groups, and a process for producing such polysaccharides
Method of crosslinking carboxyl-containing polysaccharides in that the polysaccharide is at first activated with a bi- or polyfunctional reagent, and then after removal of any potential excess of...
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4958015 |
Preparation of crosslinked cyclodextrin resins with enhanced porosity
Resins resulting from the crosslinking of cyclodextrin with dicarboxylic acid dihalides often show marginal binding capacity for guest molecules and poor kinetics of guest molecule removal because...
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4902788 |
Crosslinked cyclodextrins supported on porous refractory inorganic oxides
Composites on a porous support of an insolubilized, crosslinked cyclodextrin show improved mass transfer characteristics relative to discrete particles of the same insolubilized cyclodextrin....
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4886787 |
Method of preventing adhesion between body tissues, means for preventing such adhesion, and process for producing said means
The invention is concerned with a method of preventing adhesions or accretions of body tissues inter se by means of employing a degradable gel of a crosslinked carboxyl-containing polysaccharide....
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