Extrusion process for the preparation of alkali metal carbonate, bicarbonate and sesquicarbonate formulations using a dissolved functionalizing agent
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United States of America Patent
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Oct 1, 2024
Grant Date -
Jul 15, 2021
app pub date -
Apr 13, 2017
filing date -
Apr 13, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A process for preparing a formulation comprising an alkali metal salt selected from the group consisting of alkali metal bicarbonate salts, alkali metal carbonate salts, alkali metal sesquicarbonate salts and combinations thereof, wherein said process includes: (a) dissolving a functionalizing agent in a solvent; (b) mixing the alkali metal salt with the solution comprising the functionalizing agent that a paste-like composition is formed; (c) extruding the paste-like composition to obtain filaments or granules; (d) at least partially removing the solvent from the filaments or granules. A powder, filaments and granules are obtainable from said process and may be used in various applications such as in plastic foaming or in food and feed leavening compositions.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- B01F:MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
- C11D:DETERGENT COMPOSITIONS
- C01D:COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, ....
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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