| CORP. SALE | X3C-C(NH2)=CH-COOH; X =Cl, F |
| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | Rohm & Haas (Philadelphia; Pa) |
| PATENT CLAIMS |
Prepn in yield > 80% of 3-amino-4,4,4-trihalocrotonic acid - Forming & heating mixt of solvent & X3C-CO-CH2-COOH & ammonium salt of weak acid |
| PATENT PHOTOCOPY | Available on request |
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