Dihydrogen tetrametaphosphate, its derivatives, and preparation thereof
US10941039B2 · kind B2 · utility
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Key dates
| Filing date | Jul 1, 2018 |
| Grant date | Mar 9, 2021 |
| Priority date | — |
| Expiry date | Jul 18, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D5/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Dihydrogen metaphosphate can be synthesized via protonation, and can react with a dehydrating agent to afford tetrametaphosphate anhydride. A monohydrogen tetrametaphosphate organic ester can be derived from the anhydride. A metal tetrametaphosphate complex can be prepared using a metal salt and a dihydrogen tetrametaphosphate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.