AVENTIS

(Translation of registrant’s name into English)

67917 Strasbourg, cedex 9

France

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F ý Form 40-F o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): o

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes o No ý

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): Not applicable

On October 4, 2004, Aventis issued the press release attached hereto as Exhibit 99.1.

Exhibit 99.1 is incorporated herein by reference.

Exhibit List

Exhibit No.		Description
Exhibit 99.1		Press Release dated October 4, 2004, relating to Apidra^®.

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

			AVENTIS
			(Registrant)

Date: October 4, 2004	By:	/s/ Dirk Oldenburg

		Name: Dirk Oldenburg
		Title: General Legal Counsel

Exhibit Index

Exhibit No.		Description
Exhibit 99.1		Press Release dated October 4, 2004, relating to Apidra^®.

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934

AVENTIS

Signatures

Pursuant to Rule 13a-16 or 15d-16
of the Securities Exchange Act of 1934

AVENTIS 6-K