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US 2023/0365885 A1Published application
Complex, and method for producing said complex
AssigneeIdemitsu Kosan Co., Ltd.
InventorsHiroaki KOSHIMA, Yusuke NAKANISHI
Life of this patent
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Abstract
A complex including an active ingredient, and a surfactant. The active ingredient is one or more less-oil-soluble substances selected from the group consisting of a hardly-oil-soluble substance and an oil-insoluble substance, and the one or more less-oil-soluble substances function as an additive for lubricating oil. A method of making the complex.
Claims13
A complex comprising:
- an active ingredient;
- and
- a surfactant,
- wherein the active ingredient is one or more less-oil-soluble substances selected from the group consisting of a hardly-oil-soluble substance and an oil-insoluble substance, and
- wherein the one or more less-oil-soluble substances function as an additive for lubricating oil.
2 more elements
A method of producing a complex, comprising an active ingredient and a surfactant,
- wherein the method comprises:
- subjecting the active ingredient to at least one of dissolution and dispersion in water to prepare an aqueous liquid (W);
- dissolving the surfactant in an organic solvent to prepare an oily liquid (O);
- mixing the aqueous liquid (W) and the oily liquid (O) to prepare a water-in-oil emulsion;
- removing the organic solvent from the water-in-oil emulsion, followed by drying,
- wherein the active ingredient is one or more less-oil-soluble substances selected from the group consisting of a hardly-oil-soluble substance and an oil-insoluble substance, and
- wherein the one or more less-oil-soluble substances function as an additive for lubricating oil.
4 more elements
Dependencies are inferred from the claim text.