Aminotelechelic partially hydrogenated 1,3-diene oligomers and process for the preparation of these compounds
US5760157A · kind A · utility
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16Claims
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Key dates
| Filing date | Dec 20, 1996 |
| Grant date | Jun 2, 1998 |
| Priority date | — |
| Expiry date | Dec 20, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F36/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compounds of the formula EQU P!(ACH.sub.2 NH.sub.2).sub.x in which P denotes a partially hydrogenated 1,3-diene oligomer residue, x is practically equal to 2 and A denotes a divalent residue such as ##STR1## are obtained by selective hydrogenation of compounds of formula P.sub.1 !(ACN)x in which P.sub.1 denotes a 1,3-diene oligomer residue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.