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| Number | Title | Issue Date |
| 8076473 | Process for starch modification A starch thinning and etherification process is provided comprising the steps of (a) mixing a starch substrate with a thinning agent, an alkalizing agent and an etherification agent; (b) drying the mixture of step (a); and (c) allowing the dried mixture to react wit... | 12/13/2011 |
| 7932377 | Complexing of medicinal substances with high-molecular carriers and injection and infusion solutions containing said complexes A molecular complex of a high molecular weight carrier substance and of a medicinal substance. The carrier substance has functional groups whereby the carrier substance and the medicinal substance are bound non-covalently. The medicinal substance is insoluble or sli... | 04/26/2011 |
| 7772391 | Ethersuccinylated hydroxyl polymers Ethersuccinylated hydroxyl polymers, processes for making ethersuccinylated hydroxyl polymers, and uses of ethersuccinylated hydroxyl polymers are provided. ... | 08/10/2010 |
| 7316891 | Method of developing a heat-sensitive lithographic printing plate precursor with a gum solution A method of making a lithographic printing plate is disclosed which comprises the steps of providing a lithographic printing plate precursor comprising (i) a support having a hydrophilic surface or which is provided with a hydrophi... | 01/08/2008 |
| 7273100 | Biodegradable dispersants for cement compositions and methods of cementing in subterranean formations Methods of cementing in a subterranean formation may include the steps of: providing a cement composition comprising a cement, water, and a dispersant comprising a low molecular weight starch that comprises anionic groups; placing the cement composition in the subte... | 09/25/2007 |
| 7247722 | Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking Polysaccharide aldehydes are prepared using selective oxidation involving the use of nitroxyl radical mediated aqueous oxidation with a limited amount of oxidant and defined reaction conditions. These polysaccharide aldehyde derivatives having maximum effective alde... | 07/24/2007 |
| 7244839 | Maize starch containing elevated amounts of actual amylose The present invention is directed to a starch comprising a novel percentage of actual amylose. A grain comprising the starch is also embodied by the present invention. The present invention is also directed to a plant comprising the novel starch. ... | 07/17/2007 |
| 7217816 | Monocotyledon plant cells and plants which synthesise modified starch The present invention relates to monocotyledon plant cells and plants which are genetically modified, wherein the genetic modification consists of the introduction of an extraneous nucleic acid molecule which codes for a protein with the biological activity of an R1... | 05/15/2007 |
| 7208634 | Oxidation method of primary or secondary alcohol A method for preparing an aldehyde or ketone by oxidizing a primary or secondary alcohol in the presence of a nitroxyl radical compound and a co-oxidant in an organic solvent, which process is characterized in using an organic N-bromoamide compound or a combination ... | 04/24/2007 |
| 7176190 | Plants which synthesize a modified starch, process for the production thereof and modified starch Nucleic acid molecules are described encoding a starch granule-bound protein as well as methods and recombinant DNA molecules for the production of transgenic plant cells and plants synthesizing a modified starch with modified viscosity properties and a modified pho... | 02/13/2007 |
| 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, based on dry substance of the starch, or a derivative thereof, with a... | 01/02/2007 |
| 7135557 | Hypochlorite free method for preparation of stable carboxylated carbohydrate products A method of making a carboxylated carbohydrate is disclosed, cellulose being a preferred carbohydrate material. Carboxylated cellulose fibers can be produced whose fiber strength and degree of polymerization is not significantly sacrificed. The method involves the u... | 11/14/2006 |
| 7109325 | Hypochlorite free method for preparation of stable carboxylated carbohydrate products A method of making a carboxylated carbohydrate is disclosed, cellulose being a preferred carbohydrate material. Carboxylated cellulose fibers can be produced whose fiber strength and degree of polymerization is not significantly sacrificed. The method involves the u... | 09/19/2006 |
| 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. Methods of preparing such copolymers are also described. The linear cyclode... | 08/15/2006 |
| 7091335 | Derivatized reduced malto-oligosaccharides Disclosed are derivatized malto-oligosaccharides and methods for the preparation thereof. In accordance with the disclosed invention, a malto-oligosaccharide is hydrogenated to thereby obtain a hydrogenated malto-oligosaccharide, and the resulting hydrogenated malto... | 08/15/2006 |
| 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 atoms and having terminal activated coupling groups. The flexible spacer ... | 07/04/2006 |
| 7067651 | Non-synthetic biodegradable starch-based composition for production of shaped bodies A non-synthetic biodegradable starch-based composition is described comprising starch, plasticizer, reinforcing filler, binder, in the presence or absence of alkali or salt, and water. The starch-based composition is subjected to transformation process to produce va... | 06/27/2006 |
| 7052557 | Process for cleaning filters Filters used in the food and beverage industry can be cleaned by contacting the filters with a cyclic nitroxyl compound and a reoxidator or with a nitroxonium compound in a bromine-free process. The nitroxyl can be TEMPO or its 4-acetamido or 4-acetoxy derivative, a... | 05/30/2006 |
| 6936710 | Process for oxidizing primary alcohols Primary hydroxyl groups in a substrate having both primary and secondary hydroxyl groups can be selectively oxidized to carbaldehyde and/or carboxyl groups by contacting the substrate with a cyclic nitroxyl compound in the presence of a peroxosulfate as a co-oxidant... | 08/30/2005 |
| 6919447 | Hypochlorite free method for preparation of stable carboxylated carbohydrate products A method of making a carboxylated carbohydrate is disclosed, cellulose being a preferred carbohydrate material. Carboxylated cellulose fibers can be produced whose fiber strength and degree of polymerization is not significantly sacrificed. The method involves the u... | 07/19/2005 |
| 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. Methods of preparing such copolymers are also described. The linear cyclode... | 04/26/2005 |
| 6875861 | Process for producing nitrosonium ions A process for producing nitrosonium ions is described, in which a nitroxyl compound such as TEMPO is oxidized using an oxidizing agent in the presence of a complex of a transition metal such as Mn, Fe, Cu, and a complexing agent such as a polyamine. The process is u... | 04/05/2005 |
| 6872821 | Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking Polysaccharide aldehydes are prepared using selective oxidation involving the use of nitroxyl radical mediated aqueous oxidation with a limited amount of oxidant and defined reaction conditions. These polysaccharide aldehyde derivatives having maximum effective alde... | 03/29/2005 |
| 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 characterized by their low solubility in cold water, high swelling power and lab... | 01/25/2005 |
| 6831173 | Process for selective oxidation of primary alcohols and novel carbohydrate aldehydes A process for producing aldehydes, and/or carboxylic acids is described, in which a primary alcohol, especially a carbohydrate, is oxidized using a catalytic amount of a nitrosonium compound obtained by oxidizing a nitroxyl compound in the presence of an enzyme comp... | 12/14/2004 |
| 6828310 | Compositions including reduced malto-oligosaccharide preserving agents, and methods for preserving a material Disclosed is a composition that includes a material that is susceptible to degradation and a preserving agent in an amount effective to preserve the material comprising one or more reduced malto-oligosaccharide species. The preserving agent can include a single redu... | 12/07/2004 |
| 6822091 | Oxidation of starch The invention relates a process of oxidizing starch wherein a root or tuber starch comprising at least 95 wt. % based on dry substance of the starch amylopectin, or a derivative therof, is treated with hydrogen peroxide in the presence of a catalyst, which catalyst ... | 11/23/2004 |
| 6790840 | Reversibly cross-linked hydrogels A hydrogel composition and methods of preparing and using the same are disclosed. The hydrogel composition comprises an oxidized polysaccharide, and a cross-linker having at least two functional cross-linking groups. The cross-linker reversibly cross-links the polys... | 09/14/2004 |
| 6780852 | Modified polysaccharides exhibiting altered biological recognition The invention relates to polysaccharides, polysaccharide conjugates and complexes with altered biological properties, and methods to produce these polysaccharides, polysaccharide conjugates and complexes. ... | 08/24/2004 |
| 6777548 | Oxidation of starch 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 is subjected to an alkaline... | 08/17/2004 |
| 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 di-tertiary-alkyl nitroxyl is especially 4-hydroxy-TEMPO, and the pro... | 08/03/2004 |
| 6720418 | Derivatized reduced malto-oligosaccharides Disclosed are derivatized malto-oligosaccharides and methods for the preparation thereof. In accordance with the disclosed invention, a malto-oligosaccharide is hydrogenated to thereby obtain a hydrogenated malto-oligosaccharide, and the resulting hydrogenated malto... | 04/13/2004 |
| 6710175 | Compositions suitable as additives in the paper industry, preparation; use; and, paper comprising such According to the present disclosure, starch/polymer combinations are provided. The preferred starch/polymer combinations are usable as paper additives, in the wet end of a papermaking process. Typical and preferred starch/polymer combinations of this type, result fr... | 03/23/2004 |
| 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 catalyzed hydrogen peroxide oxydation, and stabilized by acetyl es... | 12/30/2003 |
| 6620928 | Recovery process for spent periodate The invention pertains to a process for the regeneration and recovery of periodate from a spent iodate solution, by reacting the iodate with at least an equimolar amount of peroxosulfate. The regenerated periodate is especially suitable for oxidizing carb... | 09/16/2003 |
| 6617447 | Continuous oxidized starch process The present invention relates to a method of starch production using continuous oxidation. This method allows for the starting material to contain variable amounts of non-starch products, which is common in large-scale processes. This method produces cons... | 09/09/2003 |
| 6610672 | Compositions including reduced malto-oligosaccharide preserving agents, and methods for preserving a material Disclosed is a composition that includes a material that is susceptible to degradation and a preserving agent in an amount effective to preserve the material comprising one or more reduced malto-oligosaccharide species. The preserving agent can include a ... | 08/26/2003 |
| 6608229 | Oxidation of polysaccharides with nitroxyls A simplified process for oxidizing starch and other polysaccharides in an aqueous solution or suspension using hypochlorite in the presence of a catalytic amount of a nitroxyl compound is described. The oxidation is process is bromide-free and is carried ... | 08/19/2003 |
| 6593469 | Compositions including reduced malto-oligosaccharide preserving agents Disclosed is a composition that includes a material that is susceptible to degradation and a preserving agent in an amount effective to preserve the material comprising one or more reduced malto-oligosaccharide species. The preserving agent can include a ... | 07/15/2003 |
| 6586588 | Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking Polysaccharide aldehydes are prepared using selective oxidation involving the use of nitroxyl radical mediated aqueous oxidation with a limited amount of oxidant and defined reaction conditions. These polysaccharide aldehyde derivatives having maximum eff... | 07/01/2003 |
