<PAGE>
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
(RULE 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED
PURSUANT TO RULE 13d-2(b)
(AMENDMEND NO. 1)*
Ergo Science Corporation
- --------------------------------------------------------------------------------
(Name of Issuer)
Common Stock
- --------------------------------------------------------------------------------
(Title of Class of Securities)
29481E-10-6
----------------------------------
(CUSIP Number)
December 31, 1998
- --------------------------------------------------------------------------------
(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)
/ / Rule 13d-1(c)
/X/ 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).
Page 1 of 5 pages
<PAGE>
SCHEDULE 13G
- -------------------------------------------------------------------------------
CUSIP No. 29481E-10-6 Page 2 of 5 Pages
------------- ------- ------
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
ANTHONY H. CINCOTTA, PH.D
- -------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER (a) / /
OF A GROUP (b) / /
- -------------------------------------------------------------------------------
3 SEC USE ONLY
- -------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
- -------------------------------------------------------------------------------
5 SOLE VOTING POWER
NUMBER OF 868,544
SHARES ---------------------------------------------------
BENEFICIALLY 6 SHARED VOTING POWER
OWNED BY
EACH 146,078
REPORTING ---------------------------------------------------
PERSON 7 SOLE DISPOSITIVE POWER
WITH
868,544
---------------------------------------------------
8 SHARED DISPOSITIVE POWER
146,078
- -------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,014,622
- -------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES* / /
- -------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
7.1%
- -------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- -------------------------------------------------------------------------------
<PAGE>
ITEM 1(a). NAME OF ISSUER:
Ergo Science Corporation
ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
Charelestown Navy Yard
100 First Avenue
Charlestown, MA 02129
ITEM 2(a). NAME OF PERSON FILING:
Anthony H. Cincotta, Ph.D
ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
Charlestown Navy Yard
100 First Avenue
Charlestown, MA 02129
ITEM 2(c). CITIZENSHIP:
United States
ITEM 2(d). TITLE OF CLASS OF SECURITIES:
Ergo Science Corporation Common Stock, $.01 par value per share
ITEM 2(e). CUSIP NUMBER:
29481E-10-6
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b), OR 13d-2(b) OR
(c), CHECK WHETHER THE PERSON FILING IS A:
(a) / / Broker or dealer registered under Section 15 of the Exchange Act.
(b) / / Bank as defined in Section 3(a)(6) of the Exchange Act.
(c) / / Insurance company as defined in Section 3(a)(19) of the
Exchange Act.
Page 3 of 5 pages
<PAGE>
(d) / / Investment company registered under section 8 of the Investment
Company Act of 1940.
(e) / / An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E).
(f) / / An employee benefit plan or endowment fund in accordance with
Rules 13d-1(b)(1)(ii)(F).
(g) / / A parent holding company or control person in accordance with
Rule 13d-1(b)(1)(ii)(G).
(h) / / A savings association as defined in section 3(b) of the Federal
Deposit Insurance Act.
(i) / / A church plan that is excluded from the definition of an
investment company under Section 3(c)(14) of the Investment
Company Act.
(j) / / Group, in accordance with Rule 13d-1(b)(1)(ii)(J).
If this statement is filed pursuant to Rule 13d-1(c), check this box. / /
ITEM 4. OWNERSHIP
(a) Amount beneficially owned: 1,014,622
(b) Percent of Class: 7.1%
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote: 868,544
(ii) shared power to vote or to direct the vote: 146,078
(iii) sole power to dispose or to direct the disposition of:
868,544
(iv) shared power to dispose or to direct the disposition:
146,078
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS
If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of more than
five percent of the class of securities, check the following / /.
Page 4 of 5 pages
<PAGE>
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. CERTIFICATION
Not applicable
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: By: /s/ Anthony H. Cincotta
--------------------------------
Anthony H. Cincotta, Ph.D
THIS FILING IS MADE VOLUNTARILY AND SHOULD NOT BE CONSTRUED AS AN
ADMISSION THAT ANYTHONY H. CINCOTTA, PH. D. IS SUBJECT TO REPORTING
REQUIREMENTS UNDER SECTION 13 OF THE SECURITIES EXCHANGE ACT OF 1934.
Page 5 of 5 pages
