申请人 |
NALCO CHEMICAL CO., NAPERVILLE, ILL., US |
发明人 |
SOFIA, SAMUEL C., ST. CHARLES ILLINOIS 60174, US;JOHNSON, KERRIE A., AURORA ILLINOIS 60505, US;CRILL, MARLA S., OAK PARK ILLINOIS 60302, US;ROOP, MARTIN J., ST. CHARLES ILLINOIS 60174, US;GOTBERG, STEVEN R., MOBILE ALABAMA 36607, US;NIGRELLI, ANTHONY S., PORTAGE MICHIGAN 49081, US;HUTCHINSON, LAURENCE S., WATERVILLE MAIN 04901, US |