Process for preparing polyalkylene oxide having narrow distribution of molecular weight
US4654417A · kind A · utility
23Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1986 |
| Grant date | Mar 31, 1987 |
| Priority date | — |
| Expiry date | Feb 28, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G65/12
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyalkylene oxide having narrow distribution of molecular weight is prepared by a process comprising polymerizing alkylene oxide in the presence of a complex produced by the reaction of an organoaluminum compound with a porphyrin compound and an active hydrogen-containing compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.