EXHIBIT 10.9.11
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                                   PROMISSORY NOTE

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                   LOAN     MA-      LOAN        COL-                    INIT-
    PRINCIPAL      DATE     TURITY   NO. CALL  LATERAL  ACCOUNT OFFICER  IALS
   ---------       ----     ------  ---- ---- -------  -------  ------- ------
   $15,700,000.00  02-28-97 03-02-98            BL,RE   0224851   NVB
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       REFERENCES IN THE SHADED AREA ARE FOR LENDER'S USE ONLY AND DO NOT LIMIT
              THE APPLICABILITY OF THIS DOCUMENT TO ANY PARTICULAR LOAN
                                       OR ITEM.
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    BORROWER: CHEMPOWER, INC.               LENDER: FIRST NATIONAL BANK OF OHIO
             807 E. TURKEYFOOT LAKE ROAD           COMMERCIAL LOAN DEPARTMENT
               AKRON, OHIO 44319                     106 S. MAIN STREET
                                                     AKRON, OHIO 44308



     PRINCIPAL AMOUNT: $15,700,000.00              INITIAL INTEREST RATE: 6.938%
                                                      DATE OF NOTE: 02-28-97


    PROMISE  TO  PAY. Chempower,  Inc. ("Borrower")  promises  to pay  to First
    National  Bank of Ohio ("Lender"), or order,  in lawful money of the United
    States  of America, the principal  amount of Fifteen  Million Seven Hundred
    Thousand  and  00/100  Dollars  ($15,700,000.00)  or  so  much  as  may  be
    outstanding,  together with  interest on  the unpaid  outstanding principal
    balance of each advance. Interest shall be calculated from the date of each
    advance until repayment of each advance.

    PAYMENT.  In  one payment  of all  outstanding  principal plus  all accrued
    unpaid interest on  March 2, 1998.  In addition, Borrower will  pay regular
    monthly  payments of accrued unpaid  interest beginning April  1, 1997, and
    all subsequent  interest payments  are due  on the same  day of  each month
    after that.  Interest on this Note is computed on a 365/360 simple interest
    basis; that is,  by applying the ratio  of the annual interest  rate over a
    year  of  360  days,  multiplied  by  the  outstanding  principal  balance,
    multiplied   by  the  actual  number  of  days  the  principal  balance  is
    outstanding. Borrower will pay Lender at Lender's address shown above or at
    such  other  place as  Lender may  designate  in writing.  Unless otherwise
    agreed or  required by applicable  law, payments  will be applied  first to
    accrued unpaid interest, then to principal, and any remaining amount to any
    unpaid collection costs and late charges.

    VARIABLE INTEREST RATE. The interest rate on this Note is subject to change
    from time to time based on changes in an independent index  which is the 30
    DAY LONDON INTERBANK OFFERED  RATE (LIBOR) AS PUBLISHED IN THE  WALL STREET
    JOURNAL (the "Index"). The Index is not necessarily the lowest rate charged
    by Lender on its loans. If the Index becomes unavailable during the term of
    this  loan, Lender  may  designate  a  substitute  index  after  notice  to
    Borrower.  Lender will tell Borrower the current index rate upon Borrower's
    request. Borrower understands  that Lender  may make loans  based on  other
    rates as well. The interest rate change will not occur more often than each
    THIRTY  (30)  DAYS, AFTER  THE  DATE OF  NOTE  AND EVERY  THIRTY  (30) DAYS
    THEREAFTER. CHANGES IN  THE INTEREST RATE WILL BE BASED  ON THE INDEX VALUE
    OF  THE MOST  RECENT PUBLISHED  RELEASE TWO  DAYS PRIOR  TO SCHEDULED  RATE
    CHANGE DATE. The Index currently is 5.438% per annum. The  Interest rate to
    be  applied to the unpaid principal balance of  this Note will be at a rate
    of 1.500  percentage points over the Index, resulting in an initial rate of
    6.938% per annum. NOTICE:  Under no circumstances will the interest rate on
    this Note be more than the maximum rate allowed by applicable law.

    PREPAYMENT. Borrower may pay without penalty all or a portion of the amount
    owed earlier than it  is due. Early payments will not,  unless agreed to by
    Lender in writing, relieve Borrower or Borrower's obligation to continue to
    make  payments of  accrued unpaid  interest. Rather,  they will  reduce the
    principal balance due.

    LATE CHARGE. If a payment is 10 days or more late, Borrower will be charged
    7.000% of the unpaid portion of the regularly scheduled payment or $500.00,
    whichever is less.

    EVENTS  OF DEFAULT.  Each of  the following  shall constitute  an Event  of
    Default under this Agreement:

         (a)  PAYMENTS. The Borrower shall fail to pay when due any installment
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       of  principal, interest or  other sum  payable hereunder  within ten (10)
       calendar days of the due date thereof;

          (b)  BREACH  OF LOAN  AGREEMENT  OR NOTE.  The  Borrower shall  be  in
               ------------------------------------
       default of any  of the  provisions of  this Note or  the provisions  of
      the  Loan  Agreement  between  Borrower and  Lender  dated  as  of  the
      date  hereof pursuant to which this Note was executed.

          (c)  GENERAL INSECURITY. The Lender for any reason in good faith deems
               ------------------
      itself  insecure  with  respect  to  the repayment  of  the  indebtedness
      provided for herein.

     DEFAULT. Borrower  shall be in  default of  this Note if  there occurs  any
     Event of Default.

     RIGHT TO CURE. If any Event of Default (other than a default in payment) is
     curable, and if Borrower has not been  given a notice of a similar Event of
     Default within the preceding 12 month period, it may be cured (and no Event
     of Default will  have occurred) if  Borrower (a)  cures the default  within
     fifteen (15) days; or (b) if the cure requires more than fifteen (15) days,
     and  only with the express written consent of Lender, immediately initiates
     steps which Lender deems  in Lender's sole discretion  to be sufficient  to
     cure  the default and thereafter continues and completes all reasonable and
     necessary steps to produce compliance as soon as reasonably practicable.

     LENDER'S  RIGHTS.  Upon default,  Lender  may  declare  the  entire  unpaid
     principal  balance on this Note and all accrued unpaid interest immediately
     due, without  notice, and then  Borrower will  pay that amount.  Lender may
     hire or  pay someone else  to help collect  this Note if Borrower  does not
     pay.  Borrower also will pay Lender  that amount. This includes, subject to
     any  limits under  applicable law,  Lender's attorneys'  fees and  Lender's
     legal expenses whether or not there is a lawsuit, including attorneys' fees
     and legal expenses for bankruptcy proceedings (including efforts  to modify
     or vacate any automatic  stay or injunction), appeals, and  any anticipated
     post-judgment  collection services.  If not  prohibited by  applicable law,
     Borrower  also will  pay any  court costs,  in addition  to all  other sums
     provided by law. If any Event of Default shall occur and be continuing, the
     Lender shall have, in addition to the remedies set forth  herein, all other
     remedies  specified in  the  Loan Agreement  or  any document  executed  in
     connection therewith,  or such remedies  as otherwise available  under law.
     This Note has been delivered  to Lender and accepted by Lender in the State
     of Ohio.  If there is a  lawsuit, Borrower agrees upon  Lender's request to
     submit  to the jurisdiction  of the courts  of Summit County,  the State of
     Ohio.  This Note shall be governed by  and construed in accordance with the
     laws of the State of Ohio.

     CONFESSION OF JUDGMENT. Borrower hereby irrevocably authorizes and empowers
     any attorney-at-law  to  appear  in any  court  of record  and  to  confess
     judgment against Borrower for the unpaid  amount of this Note as  evidenced
     by an affidavit  signed by an  officer of Lender  setting forth the  amount
     then due, plus attorneys' fees as provided in this Note, plus costs of this
     suit,  and to release all errors, and waive all rights of appeal. If a copy
     of this  Note, verified  by  an affidavit,  shall have  been  filed in  the
     proceeding, it  will not be necessary to file  the original as a warrant of
     attorney.  Borrower  waives the  right to  any  stay of  execution  and the
     benefit  of all  exemption  laws  now or  hereafter  in  effect. No  single
     exercise  of the foregoing  warrant and power  to confess  judgment will be
     deemed to exhaust the power, whether or not any such exercise shall be held
     by any court to  be invalid, voidable, or void; but the power will continue
     undiminished and  may be exercised  from time to  time as Lender  may elect
     until all amounts owing on this Note have been paid in full.

     DISHONORED  ITEM FEE.  Borrower  will pay  a  fee to  Lender  of $20.00  if
     Borrower makes a payment on Borrower's loan and the check or  preauthorized
     charge with which Borrower pays is later dishonored.

     COLLATERAL.  This Note is  secured by among  other things, a  first lien on
     accounts receivable, inventory, equipment,  as well as a first  mortgage on
     Real Estate  located at 1501 Raff Road,  Canton, Ohio, 185 Plumpton Avenue,
     Washington, Pennsylvania,  4801 West Trace Creek  Road, Waverly, Tennessee,
     807  E. Turkeyfoot Lake Road, Akron, Ohio, 3600 Cardiff Avenue, Cincinnati,
     Ohio,  6050 West  Virginia  State Route  34,  Winfield, West  Virginia,  as
     evidenced by a Security Agreement and Mortgages of even date.

     LINE OF CREDIT. This  Note evidences a  revolving line of credit.  Advances
     under this  Note may be  requested orally by  Borrower or by  an authorized
     person.  Lender  may,  but need  not,  require  that all  oral  requests be
     confirmed in  writing. All  communications, instructions, or  directions by
     telephone  or otherwise to  Lender are  to be  directed to  Lender's office
     shown  above.  The following  party or  parties  are authorized  to request
     advances  under the line of  credit until Lender  receives from Borrower at
     Lender's  address  shown  above  written  notice  of  revocation  of  their
     authority. Toomas  J. Kukk,  Chairman/President/CEO. Borrower agrees  to be
     liable  for  all  sums  either:    (a)  advanced  in  accordance  with  the
     instructions  of an authorized person or  (b) credited to any of Borrower's
     accounts with Lender. The  unpaid principal balance  owing on this Note  at
     any  time may  be evidenced  by endorsements  on this  Note or  by Lender's
     internal records, including daily computer print-outs. Lender will  have no
     obligation  to  advance funds  under this  Note if:    (a) Borrower  or any
     guarantor  is in default under the terms of this Note or any agreement that
     Borrower or any guarantor has with Lender, including any agreement  made in
     connection with  the signing of  this Note; (b)  Borrower or any  guarantor
     ceases doing business or is insolvent;  (c) any guarantor seeks, claims  or
     otherwise attempts to limit, modify or revoke such guarantor's guarantee of
     this  Note or any  other loan with  Lender; (d) Borrower  has applied funds
     provided pursuant to this Note for purposes other than  those authorized by
     Lender; or (e)  Lender in good faith deems itself  insecure under this Note
     or any other agreement between Lender and Borrower.

     LETTER  OF CREDIT. Borrower hereby  authorizes Lender to  draw against this
     Line of Credit for reimbursement of any payments made by Lender pursuant to
     any  Letter of Credit, Check Guarantee Letter or Foreign Exchange Contract,
     issued or signed by Lender, or any affiliate of the Lender, for the account
     of the Borrower.  Borrower agrees to reimburse Lender for any such payments
     in accordance with the terms of this agreement. Borrower agrees that Lender
     may  reduce the availability of  this Line of  Credit by the  amount of the
     Letter of  Credit, Check Guarantee  Letter or 15%  of the  Foreign Exchange
     Contract, for the period of time that the Letter of Credit, Check Guarantee
     Letter  or Foreign  Exchange  Contract, is  outstanding  if the  Letter  of
     Credit, Check  Guarantee  Letter or  Foreign Exchange  Contract, is  issued
     against this Line of Credit.

     GENERAL PROVISIONS.  If any part of this Note cannot be enforced, this fact
     will not affect  the rest of  the Note. In  particular, this section  means
     (among other  things) that Borrower  does not agree  or intend to  pay, and
     Lender does  not agree or  intend to  contract for, charge,  collect, take,
     reserve  or  receive   (collectively  referred  to  herein  as  "charge  or
     collect"), any amount in the nature of  interest or in the nature of a  fee
     for  this  loan,  which  would  in  any  way  or  event  (including demand,
     prepayment, or acceleration)  cause Lender  to charge or  collect more  for
     this loan than  the maximum Lender would be permitted  to charge or collect
     by  federal law or the  law of the State of  Ohio (as applicable). Any such
     excess  interest or unauthorized fee  shall, instead of  anything stated to
     the  contrary, be  applied first to  reduce the  principal balance  of this
     loan,  and  when the  principal  has  been paid  in  full,  be refunded  to
     Borrower. Lender may delay or forgo enforcing any of its rights or remedies
     under this  Note without  losing them.  Borrower and  any other  person who
     signs, guarantees or  endorses this  Note, to  the extent  allowed by  law,
     waiver  presentment, demand  for payment, protest  and notice  of dishonor.
     Upon any change  in the terms of this Note,  and unless otherwise expressly
     stated in  writing,  no  party  who  signs this  Note,  whether  as  maker,
     guarantor,  accommodation  maker  or   endorser,  shall  be  released  from
     liability.  All  such  parties  agree  that  Lender  may  renew  or  extend
     (repeatedly and for  any length of time) this loan, or release any party or
     guarantor  or  collateral;  or impair,  fail  to  realize  upon or  perfect
     Lender's security interest  in the  collateral; and take  any other  action
     deemed necessary  by Lender without the consent of or notice to anyone. All
     such  parties  also agree  that  Lender may  modify this  loan  without the
     consent  of  or  notice to  anyone  other  than  the  party with  whom  the
     modification is made.

     PRIOR TO SIGNING THIS NOTE, BORROWER READ AND UNDERSTOOD ALL THE PROVISIONS
     OF THIS  NOTE, INCLUDING  THE VARIABLE INTEREST  RATE PROVISIONS.  BORROWER
     AGREES TO THE  TERMS OF THE  NOTE AND ACKNOWLEDGES  RECEIPT OF A  COMPLETED
     COPY OF THE NOTE.

     NOTICE:  FOR THIS NOTICE "YOU" MEANS THE BORROWER.

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     WARNING:  BY  SIGNING THIS PAPER YOU GIVE UP YOUR RIGHT TO NOTICE AND COURT
     TRIAL. IF YOU DO NOT PAY ON TIME, A COURT JUDGMENT MAY BE TAKEN AGAINST YOU
     WITHOUT YOUR  PRIOR KNOWLEDGE  AND THE  POWERS OF  A COURT  CAN BE  USED TO
     COLLECT FROM YOU REGARDLESS OF ANY CLAIMS YOU MAY HAVE AGAINST THE CREDITOR
     WHETHER  FOR RETURNED GOODS,  FAULTY GOODS, FAILURE  ON HIS  PART TO COMPLY
     WITH THE AGREEMENT, OR ANY OTHER CAUSE.
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     BORROWER:

     Chempower, Inc.


     By:  /s/ Toomas J. Kukk
        ______________________________________
        Toomas J. Kukk, Chairman/President/CEO