Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1990-07-09
1992-09-01
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528171, 528172, 528173, 528174, 528175, 528176, 528185, 528321, 528322, 525420, 525422, 525426, C08G 7310
Patent
active
051440008
ABSTRACT:
Polyetherimide oligomers having crosslinking end cap moieties which provide improved solvent-resistance to cured composites are generally represented by the formula: ##STR1## wherein X=--O-- or --S--; ##STR2## n=1 or 2; ##STR3## E=allyl or methallyl; R=a trivalent C.sub.(6-13) aromatic organic radical;
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Lubowitz Hyman R.
Sheppard Clyde H.
Anderson Harold D.
Hampton-Hightower P.
The Boeing Company
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