| PATENT ASSIGNEE'S COUNTRY | Germany |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Prepn by reaction - Diisocyanate mixt contg uretdione groups & comprising -- Isophorone diisocyanate (40 - 80 mole %) -- Hexamethylene diisocyanate (20 - 60 mole %) - Disecondary diamine in an NCO/NH ratio 1:0.5 - 1:0.9 at room T - 60C in inert sol vent |
| PATENT PHOTOCOPY | Available on request |
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