Flame retardants
US5198483A · kind A · utility
10Cited by
11References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 16, 1991 |
| Grant date | Mar 30, 1993 |
| Priority date | — |
| Expiry date | Dec 16, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/5317
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a melamine phosphonic acid salt of the general formula (I) ##STR1## in which R is hydrogen, methyl or a negative valency bond, and n is 1 when R is hydrogen or methyl, or 2 when R.sup.1 is a negative valency bond. The salts are useful as flame retardants in polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.