Polyalkylene glycol poly-phosphorus compounds in polyurethane foams
US3933696A · kind A · utility
1Cited by
8References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 22, 1974 |
| Grant date | Jan 20, 1976 |
| Priority date | — |
| Expiry date | Jul 22, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/6705
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyalkylene glycol polyphosphorus compounds having allylic group or aromatic methylene group phosphonate linkages or both phosphite and allylic groups or aromatic methylene group phosphonate linkages are provided by reacting certain polyalkylene or glycol polyphosphites with a stoichiometric or less than a stoichiometric amount of an allylic group containing halide or halomethylated aromatic compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.