| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 09.99 |
| PATENT ASSIGNEE | Albemarle |
| PATENT CLAIMS |
Process for sepn or recovery SP(NH-R)3 or OP(NH-R)3 from liquid mixt contg also inert organic solvent - Continuously introducing stream of liquid mixt into a wiped film evaporator operating at 60-140C & pressure that avoids solids formation on heating surface & continuously collec ting the triamide |
| PATENT PHOTOCOPY | Available on request |
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