Activated flame retardants and their applications
US6733697B2 · kind B2 · utility
17Cited by
17References
39Claims
0Family size
Inventors
Key dates
| Filing date | Jul 22, 2002 |
| Grant date | May 11, 2004 |
| Priority date | — |
| Expiry date | Sep 18, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K21/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a method of enhancing the flame retardancy of nitrogenous phosphorus and/or sulfonate flame retardants, the enhanced (or activated) nitrogenous phosphorus and/or sulfonate flame retardants and their applications. The activated flame retardants are activated with either a char forming catalyst, a phase transfer catalyst or both.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.