Method for the preparation of a stabilized organophosphorous compound solution
US10487020B2 · kind B2 · utility
0Cited by
22References
17Claims
0Family size
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Key dates
| Filing date | Jul 5, 2016 |
| Grant date | Nov 26, 2019 |
| Priority date | — |
| Expiry date | Jul 5, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2231/321
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process involving admixing a ligand and an alkanolamine. The process allows the use of ligand despite the presence of contaminating amounts of phosphorus acid, and improves the shelf life of premixed ligand solutions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.