Metal catalysts complexed with sulfone or sulfoxide compounds
US6358877B1 · kind B1 · utility
1Cited by
7References
16Claims
0Family size
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Key dates
| Filing date | May 19, 2000 |
| Grant date | Mar 19, 2002 |
| Priority date | — |
| Expiry date | May 19, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F15/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Metal cyanide catalysts are complexed with organic sulfone or sulfoxide compounds. The catalysts are active alkylene oxide polymerization catalysts that tend to have short induction periods and moderate exotherms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.