Method for preparation of metal salts of methyl phosphonic acids
US4973727A · kind A · utility
12Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 1989 |
| Grant date | Nov 27, 1990 |
| Priority date | — |
| Expiry date | Jan 23, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/4075
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a process for producing a metal or metalloid salt of methyl methy phosphonic acid which comprises reacting, under non-aqueous conditions, dimethyl methylphosphonate with a finely divided form of an oxide or hydroxide of one or more metals or metalloids from group IIA, IIB, IIIA, IVA, IVB, VA, VIB, VIIB or VIII of the Periodic Chart of Elements, at an elevated temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.