Page _____ of _____ Pages 1 8 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Amendment No. ___ 10 (A fee is not being paid with this statement) AIR PRODUCTS & CHEMICALS, INC. ___________________________________________________ (Issuer) COMMON SHARES ___________________________________________________ (Title of Class of Securities) 009158106 ___________________________________________________ (Cusip Number) 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. John P. Elterich Investment Department State Farm Insurance Companies One State Farm Plaza Bloomington, IL 61710 (309) 766-9831 Page _____ of _____ Pages 2 8 13G 1. Name of Reporting Person and I.R.S. Identification No.: State Farm Mutual Automobile Insurance Company 37-0533100 2. Member of a Group: (a)_____(b)__X__ 3. SEC USE ONLY: 4. Citizenship or Place of Organization: Illinois 5. Sole Voting Power: 7,352,400 6. Shared Voting Power: 0 7. Sole Dispositive Power: 7,352,400 8. Shared Dispositive Power: 0 9. Aggregate Amount Beneficially Owned by each Reporting person: 7,352,400 10. Check Box if the Aggregate Amount in Row 9 excludes Certain Shares: ____ 11. Percent of Class Represented by Amount in Row 9: 3.20 % 12. Type of Reporting Person: IC ______________________________________________________________________________ 1. Name of Reporting Person and I.R.S. Identification No.: State Farm Life Insurance Company 37-0533090 2. Member of a Group: (a)_____(b)__X__ 3. SEC USE ONLY: 4. Citizenship or Place of Organization: Illinois 5. Sole Voting Power: 140,800 6. Shared Voting Power: 0 7. Sole Dispositive Power: 140,800 8. Shared Dispositive Power: 0 9. Aggregate Amount Beneficially Owned by each Reporting person: 140,800 10. Check Box if the Aggregate Amount in Row 9 excludes Certain Shares: ____ 11. Percent of Class Represented by Amount in Row 9: 0.06 % 12. Type of Reporting Person: IC Page _____ of _____ Pages 3 8 13G 1. Name of Reporting Person and I.R.S. Identification No.: State Farm Fire and Casualty Company 37-0533080 2. Member of a Group: (a)_____(b)__X__ 3. SEC USE ONLY: 4. Citizenship or Place of Organization: Illinois 5. Sole Voting Power: 1,768,400 6. Shared Voting Power: 0 7. Sole Dispositive Power: 1,768,400 8. Shared Dispositive Power: 0 9. Aggregate Amount Beneficially Owned by each Reporting person: 1,768,400 10. Check Box if the Aggregate Amount in Row 9 excludes Certain Shares: ____ 11. Percent of Class Represented by Amount in Row 9: 0.77 % 12. Type of Reporting Person: IC ______________________________________________________________________________ 1. Name of Reporting Person and I.R.S. Identification No.: State Farm Investment Management Corp. 37-0902469 2. Member of a Group: (a)_____(b)__X__ 3. SEC USE ONLY: 4. Citizenship or Place of Organization: Delaware 5. Sole Voting Power: 1,060,000 6. Shared Voting Power: 4033 7. Sole Dispositive Power: 1,060,000 8. Shared Dispositive Power: 4033 9. Aggregate Amount Beneficially Owned by each Reporting person: 1,064,033 10. Check Box if the Aggregate Amount in Row 9 excludes Certain Shares: ____ 11. Percent of Class Represented by Amount in Row 9: 0.46 % 12. Type of Reporting Person: IA Page _____ of _____ Pages 4 8 13G 1. Name of Reporting Person and I.R.S. Identification No.: State Farm Insurance Companies Employee Retirement Trust 36-6042145 2. Member of a Group: (a)_____(b)__X__ 3. SEC USE ONLY: 4. Citizenship or Place of Organization: Illinois 5. Sole Voting Power: 4,000,000 6. Shared Voting Power: 0 7. Sole Dispositive Power: 4,000,000 8. Shared Dispositive Power: 0 9. Aggregate Amount Beneficially Owned by each Reporting person: 4,000,000 10. Check Box if the Aggregate Amount in Row 9 excludes Certain Shares: ____ 11. Percent of Class Represented by Amount in Row 9: 1.74 % 12. Type of Reporting Person: EP ______________________________________________________________________________ 1. Name of Reporting Person and I.R.S. Identification No.: State Farm Insurance Companies Savings and Thrift Plan for U.S. Employees 37-6091823 2. Member of a Group: (a)_____(b)__X__ 3. SEC USE ONLY: 4. Citizenship or Place of Organization: Illinois 5. Sole Voting Power: 1,376,800 6. Shared Voting Power: 0 7. Sole Dispositive Power: 1,376,800 8. Shared Dispositive Power: 0 9. Aggregate Amount Beneficially Owned by each Reporting person: 1,376,800 10. Check Box if the Aggregate Amount in Row 9 excludes Certain Shares: ____ 11. Percent of Class Represented by Amount in Row 9: 0.60 % 12. Type of Reporting Person: EP Page _____ of _____ Pages 5 8 Item 1(a) and (b). Name and Address of Issuer: __________________________ AIR PRODUCTS & CHEMICALS, INC. 7201 HAMILTON BOULEVARD ALLENTOWN, PA 18195-1501 Item 2(a). Name of Person Filing: State Farm Mutual Automobile Insurance _____________________ Company and related entities; See Item 8 and Exhibit A Item 2(b). Address of Principal Business Office: One State Farm Plaza ____________________________________ Bloomington, IL 61710 Item 2(c). Citizenship: United States ___________ Item 2(d) and (e). Title of Class of Securities and Cusip Number: See above. _____________________________________________ Item 3. This Schedule is being filed, in accordance with 240.13d-1(b). _____________________________________________________________ See Exhibit A attached. Item 4(a). Amount Beneficially Owned: 15,702,433 shares on 12/31/1999 _________________________ Item 4(b). Percent of Class: 6.84 percent pursuant to Rule 13d-3(d)(1). ________________ Item 4(c). Number of shares as to which such person has: The persons ____________________________________________ identified in Exhibit A hereto have sole power to vote or to direct the vote and to dispose or to direct the disposition of all shares reported hereby. 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: N/A _______________________________________________________________ Item 7. Identification and Classification of the Subsidiary Which Acquired the Security being Reported on by the Parent Holding Company: N/A ________________________________________________________ Item 8. Identification and Classification of Members of the Group: _________________________________________________________ See Exhibit A attached. Item 9. Notice of Dissolution of Group: N/A ______________________________ Page _____ of _____ Pages 6 8 Item 10. Certification. The undersigned certify that, to the best of his knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such purpose or effect. Signature. After reasonable inquiry and to the best of his knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete and correct. 02/04/2000 STATE FARM MUTUAL AUTOMOBILE _________________________________ Date INSURANCE COMPANY STATE FARM LIFE INSURANCE COMPANY STATE FARM FIRE AND CASUALTY STATE FARM VARIABLE PRODUCT TRUST COMPANY STATE FARM INSURANCE COMPANIES STATE FARM INVESTMENT MANAGEMENT EMPLOYEE RETIREMENT TRUST CORP. STATE FARM INSURANCE COMPANIES STATE FARM GROWTH FUND, INC. SAVINGS AND THRIFT PLAN FOR U.S. EMPLOYEES STATE FARM BALANCED FUND, INC. /s/Paul N. Eckley _________________________________ /s/Paul N. Eckley _________________________________ Paul N. Eckley, Fiduciary of Paul N. Eckley, Vice President each of the above of each of the above Page _____ of _____ Pages 7 8 EXHIBIT A This Exhibit lists the entities affiliated with State Farm Mutual Automobile Insurance Company which might be deemed to constitute a "group" with regard to the ownership of shares reported herein. By way of explanation, State Farm Mutual Automobile Insurance Company is the parent of wholly owned subsidiaries, State Farm Life Insurance Company, which is the parent of the wholly owned subsidiary State Farm Life and Accident Assurance Company, and State Farm Fire and Casualty Company, which in turn is the parent of the wholly owned subsidiary State Farm Investment Management Corp. State Farm Investment Management Corp. acts as the investment advisor to State Farm Growth Fund, Inc., State Farm Balanced Fund, Inc. and the State Farm Variable Product Trust. The Investment Committees of the Board of Directors of each of the insurance companies and of the State Farm Investment Management Corp. and the Trustees of the State Farm Insurance Companies Employee Retirement Trust and State Farm Insurance Companies Savings and Thrift Plan for U.S. Employees are vested with the responsibility for investing the assets of the companies, the Funds, the Trusts and the Equities Account and the Balanced Account of the State Farm Insurance Companies Savings and Thrift Plan for U.S. Employees. State Farm Mutual Automobile Insurance Company employs all personnel of the Investment Department. State Farm Investment Management Corp. has a written agreement with State Farm Mutual Automobile Insurance Company whereby the Investment Department personnel assist State Farm Investment Management Corp. in its duties as investment advisor to the Funds and the State Farm Variable Product Trust. Investment actions taken by the Investment Department are ratified by the Investment Committees of the Boards of Directors of the insurance companies and the Management Corporation and by the Trustees of the Trusts and the Plan. Certain members of the Investment Department also execute voting proxies from time to time but in situations where a vote contrary to that of management on a major policy matter is under consideration, approval of the Investment Committees of the Boards of Directors of the Companies involved is first obtained. Pursuant to Rule 13d-4 each person listed in the table below expressly disclaims "beneficial ownership" as to all shares as to which such person has no right to receive the proceeds of sale of the security and disclaims that it is part of a "group". Page _____ of _____ Pages 8 8 Number of Shares Based Classification on Proceeds Name Under Item 3 of Sale ____ ______________ ____________ State Farm Mutual Automobile Insurance Company IC 7,352,400 shares State Farm Life Insurance Company IC 140,800 shares State Farm Life and Accident Assurance Company IC 0 shares State Farm Fire and Casualty Company IC 1,768,400 shares State Farm Investment Management Corp. IA 0 shares State Farm Growth Fund, Inc. IV 830,000 shares State Farm Balanced Fund, Inc. IV 230,000 shares State Farm Variable Product Trust IV 4,033 shares State Farm Insurance Companies Employee Retirement Trust EP 4,000,000 shares State Farm Insurance Companies Savings and Thrift Plan for U.S. Employees EP Equities Account 1,120,800 shares Balanced Account 256,000 shares ----------------- 15,698,400 shares