Phosphorus containing aromatic amino polyols
US4681965A · kind A · utility
9Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1985 |
| Grant date | Jul 21, 1987 |
| Priority date | — |
| Expiry date | Aug 8, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G14/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A class of Mannich condensates containing phosphorus prepared by reacting a phenol with formaldehyde and a primay amine, and then reacting the product with formaldehyde and a dialkyl phosphite. Useful applications include use as a fire retardant additive in polyurethane foams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.