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Androst-4-en-19-ols
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Patent number 4,239,681
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Issue date Dec 16, 1980
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Richardson-Merrell Inc.
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Joyce F. Grunwell
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C07 - ORGANIC CHEMISTRY
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Method of treating acne
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Patent number 4,078,061
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Issue date Mar 7, 1978
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Richardson-Merrell Inc.
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Harvey D. Benson
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Method of contraception
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Patent number 4,054,651
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Issue date Oct 18, 1977
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Richardson-Merrell Inc.
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Harvey D. Benson
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C07 - ORGANIC CHEMISTRY
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Androst-4-en-19-ones
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Patent number 4,022,769
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Issue date May 10, 1977
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Richardson-Merrell Inc.
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Joyce F. Grunwell
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C07 - ORGANIC CHEMISTRY
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Growth promotion
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Patent number 4,013,762
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Issue date Mar 22, 1977
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Richardson-Merrell Inc.
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Harvey D. Benson
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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