Stabilizer polymerization process and process for making polymer polyols
US9644097B2 · kind B2 · utility
1Cited by
10References
14Claims
0Family size
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Key dates
| Filing date | Apr 22, 2012 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Apr 23, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L29/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polymeric stabilizer is produced by copolymerizing an unsaturated polyether with an unsaturated low molecular weight monomer in a controlled radical polymerization. The polymeric stabilizer is useful for producing polymer polyol products via a mechanical dispersion process or an in situ polymerization process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.