Perfluoro compounds containing phosphorus
US4052485A · kind A · utility
1Cited by
0References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 18, 1972 |
| Grant date | Oct 4, 1977 |
| Priority date | — |
| Expiry date | Feb 18, 1992 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/227
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Perfluoro compounds containing dichloro phosphoryl and/or dichlorophosphoryl radicals are provided which are obtained by reacting perfluoroalkylalkenes with phosphorus trichloride in the presence of oxygen. The compounds are useful to obtain oleophobic finishes on various substrates, especially on fibrous materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.