Phosphorus compounds
US4315082A · kind A · utility
4Cited by
16References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1979 |
| Grant date | Feb 9, 1982 |
| Priority date | — |
| Expiry date | Jul 26, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/907
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compositions comprising organic phosphorus compounds having a peroxygen group which is either a hydroperoxyalkyl (H--OO--C--) group or a peroxyether (--C--OO--C--) group. There is at least one such group per 500 phosphorus atoms in the composition. These peroxygen compounds may be made by passing oxygen through a liquid comprising a phosphorus compound which has an aliphatic carbon, having an abstractable hydrogen, directly attached to a carbon of an aryl ring; for example, an isopropylphenyl phosphate. The peroxygen compounds may be added to compositions comprising peroxide-reactive organic polymers to increase flame resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.