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Process of reducing olefins
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Patent number 5,216,178
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Issue date Jun 1, 1993
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Hoechst Roussel Pharmaceuticals Incorporated
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Helen H. Ong
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C07 - ORGANIC CHEMISTRY
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Aminoalkylthiodibenzothiepins
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Patent number 4,775,672
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Issue date Oct 4, 1988
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Hoechst-Roussel Pharmaceuticals Inc.
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Helen H. Ong
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C07 - ORGANIC CHEMISTRY
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Aminoalkylthiodibenzothiepins
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Patent number 4,775,683
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Issue date Oct 4, 1988
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Hoechst-Roussel Pharmaceuticals Inc.
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Helen H. Ong
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C07 - ORGANIC CHEMISTRY
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Haloalkylthiodibenzothiepins
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Patent number 4,775,682
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Issue date Oct 4, 1988
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Hoechst-Roussel Pharmaceuticals Inc.
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Helen H. Ong
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C07 - ORGANIC CHEMISTRY
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Aminoalkylthiodibenzothiepins
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Patent number 4,771,069
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Issue date Sep 13, 1988
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Hoechst-Roussel Pharmaceuticals Inc.
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Helen H. Ong
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C07 - ORGANIC CHEMISTRY
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Haloalkylthiodibenzothiepins
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Patent number 4,766,143
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Issue date Aug 23, 1988
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Hoechst-Roussel Pharmaceuticals Inc.
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Helen H. Ong
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C07 - ORGANIC CHEMISTRY
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Aminoalkylthiodibenzothiepins
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Patent number 4,668,695
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Issue date May 26, 1987
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Hoechst Roussel Pharmaceuticals Inc.
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Helen H. Ong
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C07 - ORGANIC CHEMISTRY
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Azabicycloalkanes
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Patent number 4,079,141
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Issue date Mar 14, 1978
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American Hoechst Corporation
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Helen Hu Ong
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C07 - ORGANIC CHEMISTRY
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