| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 11.99 |
| PATENT ASSIGNEE | Witco Corp |
| PATENT CLAIMS |
- Reacting (i) Polyol comp having terminal unsaturation < 0.02 milliequiv/gr of polyol with MW 2,000-20,000 Daltons with (ii) Diisocyanate comp at stoichiometric excess of said polyol comp to said diisocyanate comp., whereby a PU prepolymer is formed which is hydroxyl-terminated - Reacting said PU prepolymer with isocyanate silane of formula: OCN-R-Si-(X)m(-OR')3-m; R = difunctional organic group; X,R' = 1-4C alkyl; m = 0,1 or 2 to endcap the -OH on prepolymer with said isocyanate silane |
| PATENT PHOTOCOPY | Available on request |
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