POURABLE LIQUID FORMULATIONS OF SOLID WETTING AGENTS
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United States of America Patent
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Issued Date -
Apr 27, 2023
app pub date -
Oct 10, 2022
filing date -
Oct 27, 2021
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Abstract
The present invention relates to wetting agent formulations comprising wetting agents combined with co-additives that ensure the wetting agent formulation is a flowable liquid at room temperature. Wetting agents suitable for use in this invention are multi-branched block copolymers. The copolymers include a polyfunctional base which is an oxygen-containing compound having at least three ethylene oxide/propylene oxide block copolymer branches attached thereto. The co-additives include a combination of a solvent with an intermediate-to-high polar parameter and a low hydrogen bonding parameter and a solvent with intermediate-to-high hydrogen bonding parameter, as defined by Hansen's solubility parameters.
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