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Ted F. Schaefer
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Collegeville, PA, US
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last 30 patents
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Patent Grant
Purification of hepatitis pre-S antigens by polymerized serum album...
Patent number
4,742,158
Issue date
May 3, 1988
Merck & Co., Inc.
E. Dale Lehman
C07 - ORGANIC CHEMISTRY
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Patent Grant
Immunogenic HbsAg derived from transformed yeast
Patent number
4,707,542
Issue date
Nov 17, 1987
Merck & Co., Inc.
Arthur Friedman
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE