申请人 |
ARISTECH CHEMICAL CORP., PITTSBURGH, PA., US |
发明人 |
BROOKS, GARY, THOMAS, NAPERVILLE, IL 60563, US;EDWARDS, HAROLD, R., JR., GENEVA, IL 60134, US;THRASH, KATHY, JEAN, ST. CHARLES, IL 60174, US;RUBIS, DONALD, E., AURORA, IL 60506, US;SINCLAIR, DAVID, PETER, WINFIELD, IL 60190, US |