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| Number | Title | Issue Date |
| 7384588 | Process for making a flexible structure comprising starch filaments A process for making a flexible structure that includes at least a first region and a second region, each of the first and second regions having at least one common intensive property that differs in value. ... | 06/10/2008 |
| 6908885 | Gel comprised of a poly-α-1,4-glucan and starch The invention relates to a gel based on poly-α-1,4-D-glucan and, optionally, on starch as well as on a swelling agent, to a method for the production thereof, and to the use of a gel of this type. ... | 06/21/2005 |
| 6902804 | Lyocell multifilament The present invention relates to a high tenacity, high modulus and low shrinkage lyocell multifilament yarn suitable for use in tire cords and MRG (mechanical rubber goods). The lyocell multifilament yarn is a cellulose-based fiber for industrial applications, which... | 06/07/2005 |
| 6881361 | Method for producing shaped bodies The invention relates to a method for producing shaped bodies, especially threads or foils, from at least one polymer of the groups consisting of polysaccharide, polysaccharide derivative or polyvinyl alcohol by forming a solution of the polymer that contains an add... | 04/19/2005 |
| 6852255 | Method for producing water-insoluble polysaccharides This invention is concerned with a method for producing water-insoluble polysaccharides. A method for making the water-insoluble bio-compatible gel includes activating the hydroxyl-containing polysaccharides with the activating agent to form activated polysaccharide... | 02/08/2005 |
| 6720057 | Method for producing a cellulose fibre from hydrocellulose The invention described here concerns a process to permit the manufacture of a cellulose fibre from hydrate cellulose with an extremely large surface area which may be used for the preparation of a fabric characterized by a high absorptive power, good liquid-retenti... | 04/13/2004 |
| 6488876 | Composition containing fine solid particles The invention relates to a composition intended to be admixed to a moldable solution of cellulose in an aqueous tertiary amine oxide, which composition consists of solid particles, a mixture of a tertiary amine oxide and water, in which the solid particles ... | 12/03/2002 |
| 6153003 | Process for preparing a homogeneous cellulose solution using N-methylmorpholine-N-oxide A simple method of preparing a homogeneous cellulose solution is disclosed, which comprises the steps of (a) preparing fibrillar cellulose powder; (b) injecting a molten liquid tertiary amine oxide solvent into a twin screw extruder; (c) feeding the cellu... | 11/28/2000 |
| 5897821 | Method for manufacturing chitosan fiber The present invention offers a safe and economic method for manufacturing chitosan fiber wherein an aqueous solution of sodium thiocyanate is used. In the present invention, chitosan having a degree of deacetylation of not less than 60% is dissolved in an... | 04/27/1999 |
| 5866251 | Device and process for the production of fibrious starch materials A process and device produce fibrous starch materials through extrusion of a dispersion or aqueous solution of starch material in a flow of saline coagulant. The dispersion or aqueous solution is extruded through a microporous tubular wall in an annular c... | 02/02/1999 |
| 5741521 | Biodegradable controlled release amylaceous material matrix A biodegradable or digestible matrix is provided suitable for use as a controlled release of an agriculturally active agent such as insecticides, fungicides, fertilizers, plant growth regulants, etc. The matrix comprises an amylaceous material optionally ... | 04/21/1998 |
| 5695800 | Method of preparing a food product encased in a glucomannan film Disclosed is a food product encased in a water insoluble film of glucomannan and a method for its manufacture. In the process an aqueous solution of glucomannan is cast onto the food product surface and then is deacetylated and coagulated in sire by conta... | 12/09/1997 |
| 5658524 | Cellulose article manufacturing method In a method for forming a cellulose tube suitable for use as a food casing or as cellophane film, in which a solution of nonderivatized cellulose, tertiary amine N-oxide and water is extruded through an air gap of at least five inches, and into a water ba... | 08/19/1997 |
| 5650116 | Method of making a medical device from ironically crosslinked polymer The present invention provides a method for making medical devices, especially stents, catheters, cannulas, plugs and constrictors, by treatment of ionically crosslinkable polymer compositions with crosslinking ions.... | 07/22/1997 |
| 5618561 | Preparation of highly hydrated self-supporting hyaluronic acid containing films This invention provides new gels in the form of highly hydrated self-supporting film, comprising one or more alkaline alginates, an alkaline earth alginate, a polyalcohol and a hyaluronic acid or a derivative thereof, and their preparation process. These ... | 04/08/1997 |
| 5607639 | Process for the preparation of cellulose sheet Method for the preparation of cellulose sheet by extrusion of a heated solution of cellulose in a tertiary amine-oxide, which method includes using an extrusion die with an extrusion orifice, characterised in that, immediately below the extrusion orifice ... | 03/04/1997 |
| 5585059 | Water soluble algin fibers and production thereof There is disclosed water soluble algin fibers and such fibers which have antibiotics immobilized thereto. The water soluble algin fibers are produced by extruding an aqueous dope which contains water soluble algin therein into a large quantity of a hydrop... | 12/17/1996 |
| 5584919 | Pelletized pre-dope granules of cellulose and tertiary amine oxide, spinning solution, of cellulose and process for making them This specification discloses pelletized pre-dope granules of cellulose and a tertiary amine oxide wherein the tertiary amine oxide is homogeneously dispersed throughout the cellulose and a process for making them. According to the invention, the pelletize... | 12/17/1996 |
| 5505890 | Process for manufacturing cellulose acetate membranes A dialysis membrane in the form of a hollow fiber with a continuous internal cavity is made of cellulose acetate or a cellulose acetate derivative. The membrane has a maximum screen coefficient of 0.04 for albumin with a molecular weight of 68,000. A dial... | 04/09/1996 |
| 5451364 | Cellulose food casing manufacturing method In a method for forming a cellulose tube suitable for use as a food casing, in which a solution of nonderivatized cellulose, tertiary amine N-oxide and water is extruded through a die gap and the extruded tube downwardly flowed through an air length while... | 09/19/1995 |
| 5314754 | Starch derived shaped articles This invention relates to a method of producing starch derived shaped articles and in particular, a method of producing films derived from high amylose starch. In the method, a hot melt is prepared by heating under pressure a composition comprising a high... | 05/24/1994 |
| 5230853 | Process for making polysaccharide fibers Polysaccharide fibers are produced by hot extrusion of a gelling polysaccharide into air or a gelling salt bath. Optionally, other polysaccharides, including non-gelling types, may be co-extruded with the gelling polysaccharide. The fibers are useful for ... | 07/27/1993 |
| 5221502 | Process for making a flavorant-release filament In one embodiment this invention provides a cigarette product which contains a novel type of encapsulated flavorant-release filament. The flavorant is released under normal smoking conditions.... | 06/22/1993 |
| 5208267 | Starch-based, biodegradable packing filler and method of preparing same Starch-based biodegradable packaging fillers are provided which have high volumes, low weights, and excellent compressibility and resiliency properties. The products of the invention are fabricated by extrusion of a starch substrate, most preferably norma... | 05/04/1993 |
| 5153037 | Biodegradable shaped products and the method of preparation thereof A biodegradable shaped product comprising an expanded modified flour product preferably having at least 40% by weight amylose content and containing about 2% or more by weight of an inorganic water soluble salt, said expanded product having a low density,... | 10/06/1992 |
| 5043196 | Biodegradable shaped products and the method of preparation thereof A biodegradable shaped product comprising an expanded high amylose starch product having at least 45% by weight amylose content, said expanded product having a low density, closed cell structure with good resilience and compressibility. Another embodiment... | 08/27/1991 |
| 5035930 | Biodegradable shaped products and the method of preparation thereof A biodegradable shaped product comprising an expanded high amylose starch product having at least 45% by weight amylose content, said expanded product having a low density, closed cell structure with good resilience and compressibility. Another embodiment... | 07/30/1991 |
| 5021207 | High strength fibers from chitin derivatives High tenacity chitin acetate/formate and chitosan acetate/formate fibers and the process for making such fibers are disclosed.... | 06/04/1991 |
| 5000898 | Process for making oriented, shaped articles of lyotropic polysaccharide/thermally-consolidatable polymer blends A process for making oriented, shaped articles of lyotropic polysaccharide/thermally-consolidatable polymer blends by orienting spinnable dopes containing fiber-forming polymers being at least about 55% and less than about 80% lyotropic polysaccharide and... | 03/19/1991 |
| 4880469 | Process for the preparation of a shapeable solution of cellulose in the presence of a tertiary amine oxide and an additive The invention relates to solutions of cellulose destined to be extruded or spun, containing a tertiary amine oxide as solvent for the cellulose and in particular the N-oxide of N-methylmorpholine. It consists of using ammonium chloride or calcium chloride... | 11/14/1989 |
| 4863655 | Biodegradable packaging material and the method of preparation thereof A biodegradable packaging material comprising an expanded high amylose starch product having at least 45% by weight amylose content, said expanded product having a low density, closed cell structure with good resilience and compressibility. Another embodi... | 09/05/1989 |
| 4861527 | High strength chitosan fibers and fabrics thereof High strength chitosan fibers from chitin and chitosan derivatives and the process for making these fibers are disclosed.... | 08/29/1989 |
| 4853168 | Process for spinning starch fibers Raw starch is slurried in an aqueous solution containing up to and above saturation levels of an ammonium sulfate, ammonium monobasic or dibasic phosphate, sodium sulfate or mixtures thereof. The slurry is then cooked at temperatures above about 150° C. ... | 08/01/1989 |
| 4833238 | High strength fibers from chitin derivatives High tenacity chitin acetate/formate and chitosan acetate/formate fibers and the process for making such fibers are disclosed.... | 05/23/1989 |
| 4812269 | Process for producing hollow fiber semi-permeable membranes Processes for producing semipermeable membranes in the form of hollow fibers are disclosed including extruding a solution of a block copolymer including at least one hydrophilic polymer and at least one hydrophobic polymer while simultaneously injecting a... | 03/14/1989 |
| 4744830 | Fibrous binder and a method for the preparation thereof The invention provides a fibrous binder capable of exhibiting a bonding ability in a dry condition for fibers having no self-adhesiveness in paper making but capable of imparting the paper made by use of the same with disintegrability into discrete fibers... | 05/17/1988 |
| 4562110 | Process for the production of alginate fibre material and products made therefrom A process for producing dried alginate fibre material, in which wet spun insoluble alginate fibres are overlaid in a sheet onto a more slowly moving liquid permeable conveyor and are subjected to a dewatering drying operation, includes special treatment t... | 12/31/1985 |
| 4464321 | Process for the preparation of chitosan fibers Hollow chitosan fibres for use in ultrafiltration processes are described, and which can be plasticized by the addition of glycerin such that they contain this latter in a quantity variable between 0.5 and 5% by weight with respect to the polymer. Said fi... | 08/07/1984 |
| 4431601 | Process for the production of chitin fibers A fiber comprised of chitin having a single yarn denier of 0.5 to 20 and a dry tensile strength of 2 g/d or more, and a process for the production thereof are described. The use of such chitin fibers permits the production of surgical sutures having high ... | 02/14/1984 |
| 4419316 | Process of making films, fibers or other shaped articles consisting of, or containing, polyhydroxy polymers A process of preparing film, fibers and other shaped articles by nitrosating a polyhydroxy polymer in a reaction medium containing a solubilizing agent for the resulting polyhydroxy polymer nitrite ester and a suitable proton acceptor, bringing the reacti... | 12/06/1983 |
