| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
(a) Isoprene Styrene copolymer free of butadiene (b) Copolymer (a) having butadiene terminals & an active terminal subjected to a coupling treat. with SnCl4 |
| PATENT PHOTOCOPY | Available on request |
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