Alkylphosphonous acids, salts and esters, methods for the production thereof, and use of the same
US8293938B2 · kind B2 · utility
3Cited by
19References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2008 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Jul 2, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/5393
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to alkylphosphonous acids, salts and esters of formula (I) A-P(═O)(OX)—H (I) wherein A is C2-C20alkyl, C2-C20alkylene, and C8-C20 alkaryl are optionally substituted, and X is H, alkyl, aryl, alkylaryl, alkenyl, substituted alkyl, aryl, alkaryl, alkenyl, ammonium, primary, secondary, tertiary, quaternary alkyl and/or aryl ammonium, an alkali metal, an alkaline earth metal, a metal of the third and fourth main group and the second, fourth and eight sub-group or a metal of the lanthanoid group. The invention also relates to methods for producing same and to the uses of said compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.