SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2) Air Products and Chemicals, Inc. (Name of Issuer) Common Stock, Par Value $1 Per Share (Title of Class of Securities) 210 00915810 (CUSIP Number) Sandy S. McKenna W. Douglas Brown First Vice President Vice President, General Counsel Mellon Bank (DE) and Secretary National Association Air Products and Chemicals, Inc 919 North Market Street 7201 Hamilton Boulevard Suite 200 Allentown, PA 18195-1501 Wilmington, DE 19001 (610) 481-7350 (302) 654-9393 (Name, address and telephone number of person authorized to receive notices and communications) December 31, 2001 (Date of Event which requires Filings of this Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is subject to this Schedule 13D, and is filing this schedule because of Rule 13d-1(b)(3) or (4), check the following box [ ]. Check the following box if a fee is being paid with this statement [ ]. (Page 1 of 3)

CUSIP NO. 210 00915810 1 NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Mellon Bank (DE) National Association, as Trustee under Air Products and Chemicals, Inc. Flexible Employee Benefits Trust 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ] Not Applicable 3 SEC USE ONLY 4 SOURCE OF FUNDS SC, OO 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e) [ ] 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware 7 SOLE VOTING POWER NUMBER OF 0 SHARES 8 SHARED VOTING POWER BENEFICIALLY OWNED BY 11,239,755 EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON WITH 0 10 SHARED DISPOSITIVE POWER 11,239,755 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 11,239,755 shares 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ] 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 4.6% 14 TYPE OF REPORTING PERSON BK, EP (Page 2 of 3)

CUSIP NO. 210 00915810 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. MELLON BANK (DE) NATIONAL ASSOCIATION, as Trustee under the Air Products and Chemicals, Inc. Flexible Employee Benefits Trust Agreement By: /s/ Sandy S. McKenna Name: Sandy S. McKenna Title: First Vice President Dated: January 25, 2002 (Page 3 of 3)