PATENT ASSIGNEE'S COUNTRY | Germany |
UPDATE | 08.99 |
PATENT ASSIGNEE | Huels (Marl) |
PATENT CLAIMS |
Prepn process of powder of narrow particle size distribution & low porosity - Dissolving polyamide in MeOH or EtOH under pressure - Lowering T in a first stage until nucleation takes place with out precipitation - Lowering the T further in second stage until supersaturation results - Precipitating polyamide powder - Drying suspension |
PATENT PHOTOCOPY | Available on request |
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