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Vitamin E intermediate
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Patent number 4,879,395
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Issue date Nov 7, 1989
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Hoffmann-La Roche Inc.
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David L. Coffen
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C07 - ORGANIC CHEMISTRY
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Prostaglandin intermediates
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Patent number 4,866,205
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Issue date Sep 12, 1989
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Hoffman-La Roche Inc.
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David L. Coffen
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C07 - ORGANIC CHEMISTRY
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Vitamin E intermediates
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Patent number 4,853,472
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Issue date Aug 1, 1989
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Hoffmann-La Roche Inc.
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David L. Coffen
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C07 - ORGANIC CHEMISTRY
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Prostaglandin intermediates
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Patent number 4,707,555
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Issue date Nov 17, 1987
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Hoffmann-La Roche Inc.
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David L. Coffen
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C07 - ORGANIC CHEMISTRY
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Cyclopenta[b]furan-2-ones
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Patent number 4,558,140
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Issue date Dec 10, 1985
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Hoffmann-La Roche Inc.
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David L. Coffen
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C07 - ORGANIC CHEMISTRY
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Preparation of diketones
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Patent number 4,483,990
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Issue date Nov 20, 1984
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Hoffman-La Roche Inc.
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David L. Coffen
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C07 - ORGANIC CHEMISTRY
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Lasalocid derivatives
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Patent number 4,247,690
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Issue date Jan 27, 1981
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Hoffmann-La Roche Inc.
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David Coffen
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Lasalocid derivatives
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Patent number 4,193,928
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Issue date Mar 18, 1980
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Hoffmann-La Roche Inc.
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David Coffen
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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