Stabilization of polyoxyalkylene polyether polyols
US5268394A · kind A · utility
6Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 9, 1993 |
| Grant date | Dec 7, 1993 |
| Priority date | — |
| Expiry date | Feb 9, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M2223/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to the use of an acridans of Structure (I) as a stabilizer, preferably combined with hindered amine, phenolic, and phosphite stabilizers for stabilizing polyether polyols for polyurethane flexible foams and as stabilizers for the polyglycols, heat transfer fluids, lubricating additives. ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.