3 1 y399854e3.txt FORM 3 1 -------- FORM 3 -------- U.S. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 ----------------------------------------------------------------------------------------------------------------------------------- 1. Name and Address of Reporting Person 2. Date of Event Requiring 4. Issuer Name and Ticker or Statement Trading Symbol ---------------------------------------- (Month/Day/Year) Sybron Chemicals Inc. (AMEX:SYC) (Last) (First) (Middle) 8/30/00 ----------------------------------------------------------- ---------------------------- 5. Relationship of Reporting 6. If Amendment, Date Bayer Corporation 3. IRS or Social Security Person to Issuer of Original ---------------------------------------- Number of Reporting (Check all applicable) (Month/Day/Year) (Street) Person (Voluntary) X 7. Individual or Joint/ ----- Director ----- 10% Owner Group Filing (Check 100 Bayer Road ---------------------------- Applicable Line) ---------------------------------------- ----- Officer ----- Other (specify (City) (State) (Zip) (give title below) below) -- Form filed by One President Reporting Person Pittsburgh PA 15205 --------------------------- X -- Form filed by More than One Reporting Person ----------------------------------------------------------------------------------------------------------------------------------- TABLE I -- NON-DERIVATIVE SECURITIES BENEFICIALLY OWNED ----------------------------------------------------------------------------------------------------------------------------------- 1. Title of Security 2. Amount of Securities 3. Ownership Form: 4. Nature of Indirect (Instr. 4) Beneficially Owned Direct (D) or Beneficial (Instr. 4) Indirect (I) Ownership (Instr. 5) (Instr. 5) ----------------------------------------------------------------------------------------------------------------------------------- Common Stock, par value $.01 per share 0(1) N/A ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 5(b)(v). -------------- (1) See note 1 on page 2.

2 FORM 3 (CONTINUED) TABLE II -- DERIVATIVE SECURITIES BENEFICIALLY OWNED (E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES)

Page 2 of 3 pages 3 JOINT FILER INFORMATION Title of Securities: Common Stock, par value $0.01 per share Issuer & Ticker Symbol: Sybron Chemicals Inc. (SYC) Designated Filer: Bayer Corporation Other Joint Filers: Project Toledo Acquisition Corp. 100 Bayer Road Pittsburgh, PA 15205-9741 Bayer Aktiengesellschaft D-51368 Leverkusen Germany Date of Event Requiring Statement: August 30, 2000 PROJECT TOLEDO ACQUISITION CORP., by /s/ John L. Williams ------------------------------ Name: John L. Williams Title: President BAYER AKTIENGESELLSCHAFT, by /s/ Roland Hartwig ------------------------------ Name: Dr. Roland Hartwig Title: General Counsel Page 3 of 3 pages

SYBRON CHEMICALS INC 3