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1984-08-13 |
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1975-11-25 |
1979-08-22 |
Ici Ltd |
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1977-06-21 |
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1976-12-23 |
1980-12-30 |
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1977-04-30 |
1980-12-02 |
Mitsubishi Petrochemical Company Limited |
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1977-06-06 |
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1977-08-25 |
1978-08-08 |
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1977-11-25 |
1979-06-07 |
Hoechst Ag |
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1978-02-02 |
1979-09-04 |
Sumitomo Chem Co Ltd |
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1978-02-25 |
1983-09-06 |
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1979-10-11 |
1983-04-05 |
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1982-07-29 |
1985-07-02 |
The Dow Chemical Company |
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1985-05-20 |
1988-11-08 |
The Dow Chemical Company |
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1988-07-12 |
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1988-09-09 |
1991-03-14 |
Enichem Anic Spa |
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1990-04-18 |
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The Dow Chemical Company |
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1990-04-18 |
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1992-05-28 |
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1994-09-22 |
1999-12-14 |
Solvay Polyolefins Europe-Belgium |
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1994-09-22 |
1996-07-02 |
Solvay |
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1994-09-22 |
1996-07-02 |
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