Treated mineral fillers suspensions of these fillers in polyols and their uses in polyurethane foams
US6159390A · kind A · utility
8Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1996 |
| Grant date | Dec 12, 2000 |
| Priority date | — |
| Expiry date | Jan 31, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Method for the treatment of mineral fillers using organic phosphate treatment agents. Treated mineral fillers obtained by said method and suspension of these treated mineral fillers in polyols. Use of these suspensions in the manufacture of flexible, semirigid, or rigid polyurethane foams used for the manufacture of molded or nonmolded objects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.