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
1991-03-28
1993-08-17
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...
524591, 524839, 4273936, 4284231, 4284255, 428703, C08L 7504
Patent
active
052369943
ABSTRACT:
The present invention is directed to a process for sealing and/or priming concrete by applying to concrete an aqueous polyisocyanate dispersion which has an isocyanate content of at least 0.5% by weight, based on the weight of the polyisocyanate, and is prepared by
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Cibulas William
Markusch Peter H.
Tirpak Robin E.
Gil Joseph C.
Miles Inc.
Roy Thomas W.
Welsh Maurice J.
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