Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1993-05-28
1994-09-13
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
568337, 568608, 568658, 568568, C08G 6538
Patent
active
053469836
ABSTRACT:
Substituted phenyl compounds endowed with chain extension activity for formulations such as polyurethanes are disclosed, and which have the general formula: ##STR1## wherein n is 1-1000; R.sub.1 .dbd.R.sub.2, and R.sub.1 and R.sub.2 are from the group --CH.sub.2 --CH.sub.2, --CH.sub.2 --C(CH.sub.3)H--; and --C(CH.sub.3)H--CH.sub.2 --; and R.sub.3 is from the group consisting of: ##STR2## and the diasteromeric salts thereof.
REFERENCES:
patent: 3721648 (1973-03-01), Ehrig et al.
patent: 4016186 (1977-04-01), Kondo et al.
patent: 5064761 (1991-11-01), Schneider et al.
Hann Bret F.
Sheehan Michael T.
Sounik James R.
Wilkison, III William W.
Cassady Donald R.
Hoechst Celanese Corporation
Johnson R. F.
Kight III John
Mullen James J.
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