Phosphorous based polyaddition / polyurethane-urea polyols
US9550856B2 · kind B2 · utility
2Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2012 |
| Grant date | Jan 24, 2017 |
| Priority date | — |
| Expiry date | Dec 17, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2110/0083
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Embodiments of the invention include a polymer polyol dispersions. The polymer dispersions include a reaction product of a reaction system, where the reaction system includes: at least one polyol, at least one phosphorus based flame retardant having at least one active hydrogen attached to a nitrogen or oxygen atom, at least one of a co-reactant having an equivalent weight of up to 400 and at least one active hydrogen attached to a nitrogen or oxygen atom, at least one catalyst, and at least one polyisocyanate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.