EXHIBIT 3.3(i)

                        CERTIFICATE OF INCORPORATION

                                     OF

                                MONCHEM, INC.



         1.       The name of the corporation is MONCHEM, INC.

         2.       The address of its registered office in the State of Delaware
is Corporation Trust Center, 1209 Orange Street, in the City of Wilmington,
County of New Castle. The name of its registered agent at such address is
The Corporation Trust Company.

         3.       The nature of the business or purposes to be conducted or
promoted is:

         The maintenance and management of intangible assets and/or
investments and collection and distribution of the income from such assets
and/or investments or any other purpose permitted under 30 Delaware Code
Section 1902(b)(8).

         4.       The total number of shares of stock which the corporation
shall have authority to issue is One Thousand (1,000) and the par value of each
of such shares is One Dollar and No Cents ($1.00), amounting in the aggregate
to One Thousand Dollars and No Cents ($1,000.00).

         5.       The name and mailing address of each incorporator is as
follows:

    NAME                                          MAILING ADDRESS
    ----                                          ---------------

D. J. Murphy                           1209 Orange St., Wilmington, DE 19801
M. A. Brzoska                          1209 Orange St., Wilmington, DE 19801
L. J. Vitalo                           1209 Orange St., Wilmington, DE 19801

         6.       The corporation is to have perpetual existence.

         7.       In furtherance and not in limitation of the powers conferred
by statute, the board of directors is expressly authorized:

         To make, alter or repeal the by-laws of the corporation.

         To authorize and cause to be executed mortgages and liens upon the
real and personal property of the corporation.

         To set apart out of any of the funds of the corporation available
for dividends a reserve or reserves for any proper purpose and to abolish
any such reserve in the manner in which it was created.






         To designate one or more committees, each committee to consist of
one or more of the directors of the corporation. The board may designate one
or more directors as alternate members of any committee, who may replace any
absent or disqualified member at any meeting of the committee. The by-laws
may provide that in the absence or disqualification of a member of a
committee, the member or members present at any meeting and not disqualified
from voting, whether or not such member or members constitute a quorum, may
unanimously appoint another member of the board of directors to act at the
meeting in the place of any such absent or disqualified member. Any such
committee, to the extent provided in the resolution of the board of
directors, or in the by-laws of the corporation, shall have and may exercise
all the powers and authority of the board of directors in the management of
the business and affairs of the corporation, and may authorize the seal of
the corporation to be affixed to all papers which may require it; but no
such committee shall have the power or authority in reference to the
following matters: (i) approving or adopting, or recommending to the
stockholders, any action or matter expressly required by the Delaware
General Corporation Law to be submitted to stockholders for approval or (ii)
adopting, amending or repealing any by-law of the corporation.

         When and as authorized by the stockholders in accordance with law,
to sell, lease or exchange all or substantially all of the property and
assets of the corporation, including its good will and its corporate
franchises, upon such terms and conditions and for such consideration, which
may consist in whole or in part of money or property including shares of
stock in, and/or other securities of, any other corporation or corporations,
as its board of directors shall deem expedient and for the best interests of
the corporation.

         8.       Elections of directors need not be by written ballot unless
the by-laws of the corporation shall so provide.

         9.       The corporation reserves the right to amend, alter, change
or repeal any provision contained in this Certificate of Incorporation, in the
manner now or hereafter prescribed by statute, and all rights conferred upon
stockholders herein are granted subject to this reservation.

         WE, THE UNDERSIGNED, being each of the incorporators hereinbefore
named, for the purpose of forming a corporation pursuant to the General
Corporation Law of the State of Delaware, do make this Certificate, hereby
declaring and certifying that this is our act and deed and the facts herein
stated are true, and accordingly have hereunto set our hands this 1st day of
April, 1997.


                                                /s/ D. J. Murphy
                                        ----------------------------------
                                                D. J. Murphy


                                               /s/ M. A. Brzoska
                                        ----------------------------------
                                               M. A. Brzoska


                                               /s/ L. J. Vitalo
                                        ----------------------------------
                                               L. J. Vitalo

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