| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 05.00 |
| PATENT ASSIGNEE | Advanced Polymer Technologies LLC |
| PATENT CLAIMS |
Process of purifying an unoriented polymer - Contacting unoriented polymer contg an impurity with a ca vitatable liquid - Subjecting the said polymer to ultrasonic radiation at fre quency & intensity sufficient to extract the impurity from polymer to form purified unoriented polymer - Separating the pirified unoriented polymer from the cavita table liquid contg the extracted impurity |
| PATENT PHOTOCOPY | Available on request |
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