| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 11.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- De-polymn said waste in presence of steam to obtain crude caprolactam - Removing all of said water from crude caprolactam - Distn concd crude caprolactam at pressure < 8 mm Hg & 110-145C to form overheads & bottoms of said caprolactam - Crystallizing said caprolactam overheads to obtain capro lactam crystals & mother liquor |
| PATENT PHOTOCOPY | Available on request |
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