Control of N-(phosphonomethyl)iminodiacetic acid conversion manufacture of glyphosate
US11802835B2 · kind B2 · utility
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19References
10Claims
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Key dates
| Filing date | Jun 15, 2021 |
| Grant date | Oct 31, 2023 |
| Priority date | — |
| Expiry date | Jun 15, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/209163
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
This invention relates to the preparation of N-(phosphonomethyl)glycine (“glyphosate”) from N-(phosphonomethyl)iminodiacetic acid (“PMIDA”), and more particularly to methods for control of the conversion of PMIDA, for the identification of reaction end points relating to PMIDA conversion and the preparation of glyphosate products having controlled PMIDA content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.