| 申请人 |
E.I. DU PONT DE NEMOURS & CO., WILMINGTON, DEL., US |
发明人 |
KELLNER, CARL, STEPHEN, WILMINGTON, DE 19801, US;LEROU, JAN, JOSEPH, CHADDS FORD, PA 19317, US;RAO, V., N., MALLIKARJUNA, WILMINGTON, DE 19809, US;WUTTKE, KLAUS GUENTER, WILMINGTON, DELAWARE 19810, US |
