United States Security and Exchange Commission Washington, D.C. 20549 Schedule 13G Under the Securities Act of 1934 (Amendment No.______ )* Quaker Chemical Corporation --------------------------- (Name of Issuer) Common Stock ------------ (Title of Class of Securities) 747316107 --------- (CUSIP Number) Date 12/31/01 [X] Rule 13d-1(b)

CUSIP No. 747316107 13G - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1. S.S. OR IRS IDENTIFICATION NO. OF ABOVE PERSON DePrince, Race & Zollo, Inc. 59-3299598 - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2. (a) [X] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3. - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4. Incorporated in the State of Florida - ------------------------------------------------------------------------------ SOLE VOTING POWER 5. NUMBER OF 620,050 SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6. none OWNED BY ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7. REPORTING 620,050 PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8. none - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9. 620,050 - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10. No - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11. 6.8% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12. IA - ------------------------------------------------------------------------------

SCHEDULE 13 G Item 1. (a) Quaker Chemical Corp. (b) Elm & Lee Sts Conshohocken, PA 19428 Item 2. (a) DePrince, Race & Zollo, Inc. (b) 201 S. Orange Ave, Suite 850 Orlando, FL 32801 (c) USA (d) common stock (e) 747316107 Item 3. (e) X Item 4. Ownership (a) 620,050 (b) 6.8% (c) (i) 620,050 shares (iii) 620,050 shares Item 5. Ownership of Five Percent or Less of a Class N/A 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 N/A Item 9. Notice of Dissolution of Group N/A

Item 10. Certification By signing below I certify that, to the best of my 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 purposes or effect. 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. Date 02/07/2002 /s/ Victor A. Zollo, Jr. ------------------------------ Victor A. Zollo, Jr. President