Synthesis of stereoregular poly(propylene oxide)
US4962281A · kind A · utility
4Cited by
9References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 21, 1989 |
| Grant date | Oct 9, 1990 |
| Priority date | — |
| Expiry date | Aug 21, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G65/2657
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Stereoregular, crystalline, isotactic poly(propylene oxide) is prepared using an effective concentration of a hydrotalcite type catalyst in a process conducted above a temperature of about 100.degree. C. and below about 130.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.