Ultra white N,N'-bis(tetrabromophthalimide) and its production in aqueous acetic acid
US5508429A · kind A · utility
1Cited by
11References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1994 |
| Grant date | Apr 16, 1996 |
| Priority date | — |
| Expiry date | Jun 14, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3417
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a process for producing an ultra-white N,N'-ethylene-bis(tetrabromophthalimide) product useful as a flame retardant. Also disclosed is a flame retardant composition predominantly comprised of N,N'-ethylene-bis(tetrabromophthalimide) and having unprecedented color and high purity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.