| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 12.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Providing a polymer with one or more monomer units, wherein at least one of the said units contain > one pendant -OH - Reacting the polymer with vinyl ether of formula CH2=CH-OR & an alc R'OH in the presence of acid cata lyst Wherein R & R' are different from each other & selected from linear, branched or cyclic alkyl, haloalkyl, aralkyl or substituted phenylmethylene - R''-C6H4-C(R''')2-; R'',R''' = H, 1-6C alkyl |
| PATENT PHOTOCOPY | Available on request |
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