Formation of tetraarylpyrophosphate
US5151539A · kind A · utility
7Cited by
11References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1991 |
| Grant date | Sep 29, 1992 |
| Priority date | — |
| Expiry date | May 28, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/093
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Glycol bisphosphate compounds are formed by first hydrolytically condensing a dihydrocarbylhalophosphate to form a tetrahydrocarbyl pyrophosphate and then reacting the pyrophosphate with a cyclic ether to form the glycol bisphosphate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.