申请人 |
E.I. DU PONT DE NEMOURS & CO., WILMINGTON, DEL., US |
发明人 |
HALM, WALTER, BERNHARD, D-4775 LIPPETAL, DE;JONES, WILLIAM, JONAS, JR., GREENVILLE, NC 27858, US;KIRKBRIDE, JAMES, FREDERICK, WILMINGTON, DE 19808, US;MARCUS, ILAN, CH-1290 VERSOIX, CH;SNYDER, ADRIAN, CHARLES, GREENVILLE, NC 27834, US |