Process for preparing alkyl pyroglutamic acids
US10577319B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Mar 12, 2018 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Sep 15, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K23/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are compounds of formulae: and salts, hydrates, or solvates thereof, where R1, R2, R3, R5, and R6 are defined herein, compositions containing these compounds, methods of preparing these compounds, and methods of using these compounds in a variety of applications, such as a surfactant or additive in personal care products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.