1、2005UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWASHINGTON,D.C.20549FORM 10-KAnnual Report Pursuant to Section 13 or 15(d)ofthe Securities Exchange Act of 1934For the fiscal year ended December 31,2005Commission file number 1-815E.I.DU PONT DE NEMOURSAND COMPANY(Exact name of registrant as specif
2、ied in its charter)DELAWARE51-0014090(State or Other Jurisdiction of Incorporation or Organization)(I.R.S.Employer Identification No.)1007 Market StreetWilmington,Delaware 19898(Address of principal executive offices)Registrants telephone number,including area code:302 774-1000Securities registered
3、pursuant to Section 12(b)of the Act(Each class is registered on the New York Stock Exchange,Inc.):Title of Each ClassCommon Stock($.30 par value)Preferred Stock(without par value-cumulative)$4.50 Series$3.50 SeriesNo securities are registered pursuant to Section 12(g)of the Act.Indicate by check mar
4、k whether the registrant is a well-known seasoned issuer(as defined in Rule 405 of theSecurities Act).Yes?No?Indicate by check mark whether the registrant is not required to file reports pursuant to Section 13 orSection 15(d)of the Act.Yes?No?Indicate by check mark whether the registrant(1)has filed
5、 all reports required to be filed by Section 13 or15(d)of the Securities Exchange Act of 1934 during the preceding 12 months(or for such shorter period that theregistrant was required to file such reports),and(2)has been subject to such filing requirements for the past90 days.Yes?No?Indicate by chec
6、k mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is notcontained herein,and will not be contained,to the best of registrants knowledge,in definitive proxy or informa-tion statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form