Treatment of coupled polymers prior to hydrogenation
US4076915A · kind A · utility
22Cited by
11References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 8, 1976 |
| Grant date | Feb 28, 1978 |
| Priority date | — |
| Expiry date | Jun 8, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08C19/44
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Treating a silicon-coupled or germanium-coupled conjugated diene polymer with a hydrocarbonlithium, -sodium, -potassium, -calcium, -magnesium, -zinc or -aluminum compound after the coupling step and prior to hydrogenation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.