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Avermectin derivatives
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Patent number 5,057,499
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Issue date Oct 15, 1991
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Merck & Co. Inc.
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Helmut Mrozik
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C07 - ORGANIC CHEMISTRY
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Avermectin derivatives
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Patent number 5,030,622
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Issue date Jul 9, 1991
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Merck & Co., Inc.
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Helmut Mrozik
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C07 - ORGANIC CHEMISTRY
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Avermectin derivatives
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Patent number 5,023,241
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Issue date Jun 11, 1991
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Merck & Co., Inc.
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Bruce O. Linn
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C07 - ORGANIC CHEMISTRY
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Avermectin derivatives
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Patent number 4,895,837
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Issue date Jan 23, 1990
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Merck & Co., Inc.
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Helmut Mrozik
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C07 - ORGANIC CHEMISTRY
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Avermectin derivatives
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Patent number 4,873,224
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Issue date Oct 10, 1989
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Merck & Co., Inc.
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Bruce O. Linn
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C07 - ORGANIC CHEMISTRY
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Reduced avermectin derivatives
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Patent number 4,831,016
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Issue date May 16, 1989
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Merck & Co., Inc.
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Helmut Mrozik
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Avermectin derivatives
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Patent number 4,806,527
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Issue date Feb 21, 1989
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Merck & Co., Inc.
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Burton G. Christensen
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C07 - ORGANIC CHEMISTRY
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