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
1982-08-09
1983-12-06
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...
428480, 428483, 524356, 528 60, 528 65, 528 83, C08G 1810
Patent
active
044194765
ABSTRACT:
Disclosed are adhesive systems and adhesives formed from (A) hydroxyl-terminated, preferably branched, polyols, (B) isocyanate-capped, polyol-based urethanes and (C) polyisocyanate crosslinking agents. In their preferred embodiments, they are applicable by direct gravure procedures and are useful in boil-in-bag technology.
REFERENCES:
patent: 3584075 (1971-06-01), Bock et al.
patent: 3666835 (1972-05-01), Schloss
patent: 3763079 (1973-10-01), Fryd
patent: 3804810 (1974-04-01), Fryd
patent: 4206299 (1980-06-01), Yamazaki et al.
patent: 4298724 (1981-11-01), Sommerfeld et al.
Coughlin James E.
Sommerfeld Eugene G.
Strolle Clifford H.
E. I. Du Pont de Nemours & Co.
Ryan James H.
Welsh Maurice J.
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