Process for manufacturing bis-silyl ureas
US6303810A · kind A · utility
0Cited by
8References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2000 |
| Grant date | Oct 16, 2001 |
| Priority date | — |
| Expiry date | Jun 8, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for manufacturing bis-silyl ureas which consists in reacting urea and a disilazane in an aliphatic nitrile and most particularly in acetonitrile. The process of the present invention applies particularly to the manufacture of bis(trimethylsilyl)urea from urea and hexamethyldisilazane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.