Schedule 13G



Washington, D.C. 20549






Under the Securities Exchange Act of 1934

(Amendment No.      )*




Introgen Therapeutics, Inc.

(Name of Issuer)


Common Stock, $0.001 par value

(Title of Class of Securities)



46119F 107

                                (CUSIP Number)                                


November 4, 2005

(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)


x 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. 46119F 107



Names of Reporting Persons.

I.R.S. Identification Nos. of above persons (entities only).


            Colgate-Palmolive Company



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




SEC Use Only



Citizenship or Place of Organization




Number of



Owned by






  5.    Sole Voting Power



  6.    Shared Voting Power



  7.    Sole Dispositive Power



  8.    Shared Dispositive Power




Aggregate Amount Beneficially Owned by Each Reporting Person




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



Percent of Class Represented by Amount in Row (9)




Type of Reporting Person (See Instructions)





Page 2 of 5 pages

Item 1.



   Name of Issuer:          
         Introgen Therapeutics, Inc. (the “Company”)          


   Address of Issuer’s Principal Executive Offices:          
         301 Congress Avenue, Suite 1850, Austin, Texas 78701          

Item 2.



   Name of Person Filing:          
         Colgate-Palmolive Company          


   Address of Principal Business Office or, if none, Residence:          
         300 Park Avenue, New York, New York 10022          




   Title of Class of Securities:          
         This statement relates to the Company’s Common Stock, par value $0.001 per share.          


   CUSIP Number:          
         46119F 107          

Item 3.

  If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:     
    (a)    Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).     
    (b)    Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).     
    (c)    Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).     
    (d)    Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8).          
    (e)    An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);          
    (f)    An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);          
    (g)    A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);          
    (h)    A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813));          
    (i)    A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);          
    (j)    Group, in accordance with §240.13d-1(b)(1)(ii)(J).          


Page 3 of 5 pages

Item 4.




Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

     (a)    Amount beneficially owned:          
     (b)    Percent of class:          
     (c)    Number of shares as to which the person has:          
          (i)    Sole power to vote or to direct the vote          
          (ii)    Shared power to vote or to direct the vote          
          (iii)    Sole power to dispose or to direct the disposition of          
          (iv)    Shared power to dispose or to direct the disposition of          

Item 5.


Ownership of Five Percent or Less of a Class


Not applicable.


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.


(a)    Not applicable.


(b)    The following certification shall be included if the statement is filed pursuant to §240.13d-1(c):


By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.



Page 4 of 5 pages



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.


November 8, 2005


/s/ Dennis J. Hickey

Dennis J. Hickey

Vice President and Corporate Controller



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 §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)


Page 5 of 5 pages