Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1988-02-19
1989-08-15
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
25218224, 25218227, 528 57, C08L 7504
Patent
active
048575844
ABSTRACT:
Two-component polyurethanes without inclusion of gas are described, whose hydroxylated component contains a zeolitic dehydrating agent which corresponds to the following formula in its anhydrous form: ##EQU1##
REFERENCES:
patent: 3506593 (1970-04-01), Allenback et al.
patent: 3755222 (1973-08-01), Gruber et al.
Durand Guy
Vandermeersch Jean
CECA S.A.
Welsh Maurice J.
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