| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 05.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Diene rubber (100 parts) selected from: Natural rubber; Butadiene rubber; SBR; & Poly(Isoprene) rubber - Elastic gas-encapsulated TP resin hollow particle (1-20 part) having size 5-300 micro.m, obtained by expanding, upon heating during vulcanization of the diene rubber with S, a thermally expansible TP resin contg an encapsulated liquid or solid substance capable of generating a gas by vaporization, de-compn or chemical reaction upon heating to form the hollow-type expanded particle Compn has high frictional force on ice |
| PATENT PHOTOCOPY | Available on request |
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