<PAGE>
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
McWhorter Technologies, Inc.
----------------------------
(Name of Issuer)
Common Stock
------------------------------
(Title of Class of Securities)
582803 10 2
-----------
(CUSIP Number)
Check the following if a fee is being paid with this statement [X]. (A fee
is not required only if the filing person: (1) has a previous statement on
file reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent of such class.) (See
Rule 13d-7.)
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>
CUSIP NO. 582803 10 2 13G
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Norwest Corporation
Tax Identification No. 41-0449260
- --------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE LINE IF A MEMBER OF A GROUP* (A) ______
(B) ______
- --------------------------------------------------------------------------------
3 SEC USE ONLY
- --------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- --------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES
1,310,825
BENEFICIALLY -----------------------------------------------------------
SHARED VOTING POWER
OWNED BY 6
1,795,430
EACH -----------------------------------------------------------
7 SOLE DISPOSITIVE POWER
REPORTING
137,801
PERSON 8 -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH
1,918,079
- --------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,193,223
- --------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [_]
- --------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
29.5%
- --------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
HC
- --------------------------------------------------------------------------------
2
<PAGE>
CUSIP NO. 582803 10 2 13G
- --------------------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Norwest Bank Minnesota, National Association
Tax Identification No. 41-0451159
- --------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE LINE IF A MEMBER OF A GROUP* (A) ______
(B) ______
- --------------------------------------------------------------------------------
SEC USE ONLY
- --------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States of America
- --------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 1,309,985
------------------------------------------------------------
BENEFICIALLY 6 SHARED VOTING POWER
OWNED BY 1,795,430
7 ------------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
REPORTING 137,501
8 ------------------------------------------------------------
PERSON SHARED DISPOSITIVE POWER
WITH 1,918,079
- --------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,192,923
- --------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES[_]
29.5%
- --------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
- --------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
BK
- --------------------------------------------------------------------------------
3
<PAGE>
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
Item 1(a) Name of Issuer:
- --------- --------------
McWhorter Technologies, Inc.
Item 1(b) Address of Issuer's Principal Executive Offices:
- --------- -----------------------------------------------
400 East Cottage Place
Carpentersville, Illinois 60110
Item 2(a) Name of Person Filing:
- --------- ---------------------
1. Norwest Corporation
2. Norwest Bank Minnesota, National Association ("NBM")
This statement is filed by Norwest Corporation on behalf of
all of the persons listed above pursuant to Rule 13d-1(b).
Attached is an agreement among the persons listed above to
that effect. NBM is a subsidiary of Norwest Corporation.
4
<PAGE>
Item 2(b) Address of Principal Business Office(s):
- --------- ---------------------------------------
1. Norwest Corporation
Norwest Center
Sixth and Marquette
Minneapolis, MN 55479-1000
2. Norwest Bank Minnesota, National Association
Norwest Center
Sixth and Marquette
Minneapolis, MN 55479-0001
Item 2(c) Citizenship:
- --------- -----------
1. Norwest Corporation is a Delaware corporation.
2. NBM is a national banking association.
Item 2(d) Title of Class of Securities:
- --------- ----------------------------
Common Stock
Item 2(e) CUSIP Number:
- --------- ------------
582803 10 2
Item 3 Type of Person:
- ------ --------------
(g) Parent holding company for Norwest Corporation
(b) Bank for NBM
Item 4 Ownership:
- ------ ---------
1. Norwest Corporation
(a) Amount Beneficially Owned. At July 31, 1994, Norwest
Corporation was deemed to own, indirectly through its ,
subsidiaries, 3,193,223 shares, including the shares indicated
below as held by NBM. Norwest Corporation has no other
5
<PAGE>
rights to acquire additional shares through the exercise of options or
otherwise.
(b) Percent of Class: 29.5%
(c) Number of shares as to which Norwest Corporation, indirectly
through its subsidiaries, has:
(i) Sole power to vote or direct the vote: 1,310,825
(ii) Shared power to vote or direct the vote: 1,795,430
(iii) Sole power to dispose or to direct the disposition of: 137,801
(iv) Shared power to dispose or direct the disposition of:
1,918,079
2. NBM
(a) Amount Beneficially Owned. At July 31, 1994, NBM was deemed
to own 3,192,923 shares. NBM has no other rights to acquire
additional shares through the exercise of options or otherwise.
(b) Percent of Class: 29.5%
(c) Number of shares as to which NBM has:
(i) Sole power to vote or direct the vote: 1,309,985
(ii) Shared power to vote or direct the vote: 1,795,430
(iii) Sole power to dispose or to direct the disposition of: 137,501
(iv) Shared power to dispose or direct the disposition of:
1,918,079
6
<PAGE>
The persons filing disclaim beneficial ownership of, and the filing of
this statement shall not be construed as an admission that the persons
filing are beneficial owners of, the shares covered by this statement
for purposes of Sections 13, 14, or 16 of the Act.
Item 5 Ownership of Five Percent or Less of Class:
- ------ ------------------------------------------
Not Applicable
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:
------------------------------------------------------------
See Exhibit A
Item 8 Identification and Classficiation of Members of the Group:
- ------ ---------------------------------------------------------
Not Applicable
Item 9 Notice of Dissolution of Group:
- ------ ------------------------------
Not Applicable
7
<PAGE>
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.
Dated: August 10, 1994
NORWEST CORPORATION
By: /s/ Ann Hart Wernz
--------------------------------------
Ann Hart Wernz, Vice President and
Assistant General Counsel
8
<PAGE>
EXHIBIT A
---------
(Attached to and forming a part of Schedule 13G filed by Norwest Corporation on
its own behalf and on behalf of Norwest Bank Minnesota, National Association
regarding McWhorter Technologies, Inc. Common Stock.)
Item 7
- ------
(a) Chalfen Bankshares, Inc. is a parent holding company - Item 3(g)
(b) Norwest Holding Company is a parent holding company - Item 3(g)
(c) Norwest Bank Minnesota, National Association is a bank - Item 3(b)
(d) Norwest Capital Management & Trust Co., Montana is a bank - Item 3(b)
9
<PAGE>
AGREEMENT
---------
The undersigned hereby agree that the statement on Schedule 13G to which this
Agreement is attached shall be filed by Norwest Corporation on its own behalf
and on behalf of Norwest Bank Minnesota, National Association, a subsidiary
of Norwest Corporation which is owned in part directly and in part indirectly
through Norwest Holding Company.
Dated: August 10, 1994
NORWEST CORPORATION
By: /s/ Ann Hart Wernz
--------------------------------------
Ann Hart Wernz, Vice President and
Assistant General Counsel
NORWEST BANK MINNESOTA, NATIONAL ASSOCIATION
By: /s/ John R. Caswell
--------------------------------------
John R. Caswell, Vice President
10
