Process for hydrogenation of conjugated diene polymers
US4337329A · kind A · utility
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Key dates
| Filing date | Nov 26, 1980 |
| Grant date | Jun 29, 1982 |
| Priority date | — |
| Expiry date | Nov 26, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08C19/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
In a process which comprises catalytically hydrogenating the carbon-carbon double bonds of a conjugated diene polymer, the improvement which comprises using a catalyst composed of a porous powdery or granular carrier and supported thereon both Pd and at least one metal selected from the group consisting of the metals of Groups Ia, IIa, IIIa, IIIb, IVa, Va and VIa of the periodic table, Ge and Sb.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.