Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1986-06-27
1987-10-27
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
252182, 521176, 549374, 568619, 568623, 568624, C08G 1814
Patent
active
047030690
ABSTRACT:
This invention relates to polyether polyols having an average hydroxyl value in the range of 100 to 250 mgKOH/g, which are alkoxylated derivatives of a polyhydric alcohol being a mixture of compounds according to formula (I) or/and (II) ##STR1## wherein R.sup.1 is H, CH.sub.3 or OCH.sub.3,
REFERENCES:
patent: 3290387 (1966-12-01), Bernardy et al.
Brown James P.
May Ronald N.
Randall David
Imperial Chemical Industries plc
Welsh Maurice J.
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