Phenolphthalein bis (dihydrocarbyl phosphate) compounds
US5183905A · kind A · utility
1Cited by
4References
8Claims
0Family size
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Key dates
| Filing date | Apr 20, 1992 |
| Grant date | Feb 2, 1993 |
| Priority date | — |
| Expiry date | Apr 20, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/529
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Phenolphthalein bis(dihydrocarbyl phosphates), optionally substituted with chloro or bromo atoms, can be used as fire retardant additives for polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.