| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 09.99 |
| PATENT ASSIGNEE | Toyota Jidosha KK |
| PATENT CLAIMS |
Mfg process - Hydrolyzing hard PU resin (having cross-linked urethane & urea bondings) in the presence of water at > 180C, the T falling in the range of from a hydrolysis T of resin to a lique fying T thereof - Shearing resin by applying a predetermined force to resin thereby pulverizing the resin Wherein > 20% of crosslinked urethane bondings are broken & 50-75% urea bondings are broken |
| PATENT PHOTOCOPY | Available on request |
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