POLYSACCHARIDE ESTER MICROSPHERES AND METHODS AND ARTICLES RELATING THERETO

• Main Authors: JOHNSON, RICHARD K, KIZER, LAWTON E, COMBS, MICHAEL T, GARRETT, THOMAS S, DEHART, GARY, FALLON, DENIS G, ZAZZARA, KAREN L
• Format: Patent
• Language: English; French; German
• Published: 13.07.2016
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AGRICULTURE; ANIMAL HUSBANDRY; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; CHEMISTRY; CIGARETTES; CIGARS; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DERIVATIVES THEREOF; FERTILISERS; FERTILISERS CHARACTERISED BY THEIR FORM; FISHING; FOODS OR FOODSTUFFS; FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J; FORESTRY; GENERAL PROCESSES OF COMPOUNDING; HUMAN NECESSITIES; HUNTING; HYGIENE; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES; MANUFACTURE THEREOF; MEDICAL OR VETERINARY SCIENCE; METALLURGY; MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS; MOUTHPIECES FOR CIGARS OR CIGARETTES; ORGANIC MACROMOLECULAR COMPOUNDS; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS; POLYSACCHARIDES; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL; SMOKERS' REQUISITES; SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES; TOBACCO; TOBACCO SMOKE FILTERS; TRAPPING; WORKING-UP

A method for producing a polysaccharide ester microsphere may include forming a polysaccharide ester product from a polysaccharide synthesis, wherein the polysaccharide ester product comprises a polysaccharide ester and a solvent; diluting the polysaccharide ester product, thereby yielding a polysaccharide ester dope; and forming a plurality of polysaccharide ester microspheres from the polysaccharide ester dope. Suitable polysaccharides may include, but are not limited to, starch, cellulose, hemicellulose, algenates, chitosan, and any combination thereof. Esters thereof may be organic esters (e.g., acetate and the like), inorganic esters (e.g., sulfonates and the like), or combinations thereof. Further, the solids conent of the polysaccharide ester dope, in some instances, may be greater than about 16 wt %.