Polyurethane foams prepared from mixed polyalkylene glycol polyphosphorous compounds
US4036789A · kind A · utility
6Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 19, 1974 |
| Grant date | Jul 19, 1977 |
| Priority date | — |
| Expiry date | Nov 19, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/6705
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Mixed polyalkylene glycol polyphosphorus compounds containing both phosphite and vinyl phosphate linkages are prepared by reacting certain polyalkylene glycol polyphosphites with less than a stoichiometric amount of a halogenated carbonyl compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.