UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13G

                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                          (AMENDMENT NO. ______1_____)*



                        Corn Products International, Inc.
   --------------------------------------------------------------------------
                                (Name of Issuer)

                     Common Stock, Par Value $0.01 per Share
   --------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    219023108
   --------------------------------------------------------------------------
                                 (CUSIP Number)

                                       n/a
   --------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)



Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

[  ]  Rule 13d-1(b)
[  ]  Rule 13d-1(c)
[  ]  Rule 13d-1(d)

-----------------------------

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).








                                                                             

CUSIP No. 219023108

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      1.        Names of Reporting Persons.
                I.R.S. Identification Nos. of above persons (entities only).

                Mr. Ignacio Aranguren-Castiello

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      2.        Check the Appropriate Box if a Member of a Group (See Instructions)
                (a)
                (b)

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      3.        SEC Use Only

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                Citizenship or Place of Organization
      4.
                Mexico

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Number of       5.   Sole Voting Power                                                  1,500
shares
Beneficially    --------------------------------------------------------------------------------------
Owned by
Each Reporting  6.   Shared Voting Power                                            1,913,500
Person
With            --------------------------------------------------------------------------------------

                7.   Sole Dispositive Power                                             1,500

                --------------------------------------------------------------------------------------

                8.   Shared Dispositive Power                                       1,913,500

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      9.        Aggregate Amount Beneficially Owned by Each Reporting Person

                1,915,000 Shares of Common stock

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      10.       Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

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                Percent of Class Represented by Amount in Row (9) .
      11.
                5.4%

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                Type of Reporting Person (See Instructions)
      12.
                IN

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CUSIP No. 219023108

------------------------------------------------------------------------------------------------------

      1.        Names of Reporting Persons.
                I.R.S. Identification Nos. of above persons (entities only).

                Inmobiliaria Persifone, S.A. de C.V.

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      2.        Check the Appropriate Box if a Member of a Group (See Instructions)

                (a)

                (b)

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      3.        SEC Use Only

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                Citizenship or Place of Organization
      4.
                Mexico

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Number of       5.   Sole Voting Power                                                      0
Shares
Beneficially    --------------------------------------------------------------------------------------
Owned by
Each            6.   Shared Voting Power                                            1,913,500
Reporting
Person          --------------------------------------------------------------------------------------
With
                7.   Sole Dispositive Power                                                 0

                --------------------------------------------------------------------------------------

                8.   Shared Dispositive Power                                       1,913,500

------------------------------------------------------------------------------------------------------

      9.        Aggregate Amount Beneficially Owned by Each Reporting Person

                1,913,500 Shares of Common stock

------------------------------------------------------------------------------------------------------
      10.       Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

------------------------------------------------------------------------------------------------------

                Percent of Class Represented by Amount in Row (9) 11.
      11.

                5.4%

------------------------------------------------------------------------------------------------------

                Type of Reporting Person (See Instructions)

      12.

                CO

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ITEM 1(a). NAME OF ISSUER:

       Corn Products International, Inc.

ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

       5 Westbrook Corporate Center
       Westchester. IL 60154

ITEM 2(a). NAME OF PERSON FILING:

       This statement is filed on behalf of each of the following:

       Mr. Ignacio Aranguren-Castiello
       Inmobiliaria Persifone, S.A. de C.V.

       Note: This is a voluntary filing made as a notification of the merger
       on August 25, 2003 between Aratreco, S.A. de C.V. into and with
       Inmobiliaria Persifone, S.A. de C.V. with Inmobiliaria Persifone, S.A.
       de C.V. as the surviving entity. By virtue of this transaction,
       Inmobiliaria Persifone, S.A. de C.V. is the owner of the former
       Aratreco, S.A. de C.V.'s interest in the Issuer and Aratreco, S.A. de
       C.V. no longer has any interest in the Issuer.

ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:

       The address of principal business office of Mr. Ignacio Aranguren-
       Castiello is:
       Lopez Cotilla 2032
       Guadalajara, Jalisco, Mexico

       The address of principal business office of Inmobiliaria Persifone,
       S.A. de C.V., is
       Lopez Cotilla 2032
       Guadalajara, Jalisco, Mexico

ITEM 2(c). CITIZENSHIP:

       The citizenship of both Mr. Ignacio Aranguren-Castiello and
       Inmobiliaria Persifone, S.A. de CV is Mexico

ITEM 2(d). TITLE OF CLASS OF SECURITIES"

       This statement relates to the Issuer's Common Stock, par value $0.01
       per Share.

ITEM 2(E). CUSIP NUMBER:

       219023108

ITEM 3.   IF THIS STATEMENT IS FILED PURSUANT TO RULE 13-D-1(B), OR 13D-2(B)
          OR (C), CHECK WHETHER THE PERSON FILING IS A:

       (a)   [ ]    Broker or dealer registered under Section 15 of the Exchange
                    Act;

       (b)   [ ]    Bank as defined in section 3(a)(6) of the Exchange Act;

       (c)   [ ]    Insurance company as defined in Section 3(a)(19) of the
                    Exchange Act;

       (d)   [ ]    Investment company registered under Section 8 of the
                    Investment Company Act;

       (e)   [ ]    An investment adviser in accordance with Rule 13d-1(b)(1)
                   (ii)(E);

       (f)   [ ]    An employee benefit plan or endowment fund in accordance
                    with Rule 13d-1(b)(1)(ii)(G);








ITEM 4. OWNERSHIP

       Amount beneficially owned: Mr. Ignacio Aranguren-Castiello      1,915,000

                                  Inmobiliaria Persifone, S.A. de C.V. 1,913,500

       Percent of class: 5.4%
       Number of shares as to which the person has:

                (i)      Sole power to vote or to direct the vote:
                         Mr. Ignacio Aranguren-Castiello                   1,500

                         Inmobiliaria Persifone, S.A. de C.V.                  0

                (ii)     Shared power to vote or to direct the vote:
                         Mr. Ignacio Aranguren-Castiello               1,913,500

                         Inmobiliaria Persifone, S.A. de C.V.          1,913,500

               (iii)     Sole power to dispose or to direct the
                         disposition:
                         Mr. Ignacio Aranguren-Castiello                   1,500

                         Inmobiliaria Persifone, S.A. de C.V.                  0

                (iv)     Shared power to disposed or to direct the
                         disposition of:
                         Mr. Ignacio Aranguren-Castiello               1,913,500

                         Inmobiliaria Persifone, S.A. de C.V.          1,913,500


ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

        If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of more than
five percent of the class of securities, check the following [ ]

ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.

        Not Applicable

ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
        SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.

        Not Applicable

ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

        Not Applicable.

ITEM 9. NOTICE OF DISSOLUTION OF GROUP.

        Not Applicable.

ITEM 10. CERTIFICATIONS.

        Not Applicable.

















                                    SIGNATURE


After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.



                                 MR. IGNACIO ARANGUREN-CASTIELLO


                                                September 9, 2003
                                 ----------------------------------------------
                                                      Date

                                         /s/ IGNACIO ARANGUREN-CASTIELLO
                                 ----------------------------------------------
                                                    Signature

                                           IGNACIO ARANGUREN-CASTIELLO
                                 ----------------------------------------------
                                                   Name/Title



                                      INMOBILIARIA PERSIFONE, S.A. DE C.V.


                                                September 9, 2003
                                 ----------------------------------------------
                                                      Date

                                 /s/ IGNACIO ARANGUREN-CASTIELLO/CHAIRMAN & CEO
                                 ----------------------------------------------
                                                    Signature


                                   IGNACIO ARANGUREN-CASTIELLO/CHAIRMAN & CEO
                                 ----------------------------------------------
                                                   Name/Title


The original statement shall be signed by each person on whose behalf the
statement is filed or his authorized representative. If the statement is signed
on behalf of a person by his authorized representative other than an executive
officer or general partner of the filing person, evidence of the
representative's authority to sign on behalf of such person shall be filed with
the statement, provided, however, that a power of attorney for this purpose
which is already on file with the Commission may be incorporated by reference.
The name and any title of each person who signs the statement shall be typed or
printed beneath his signature.

NOTE: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See ss.240.13d-7 for other
parties for whom copies are to be sent.

ATTENTION: INTENTIONAL MISSTATEMENTS OR OMISSIONS OF FACT CONSTITUTE FEDERAL
           CRIMINAL VIOLATIONS
           (SEE 18 U.S.C. 1001)