Joseph Lein

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Antibiotic PS-5 and derivatives having .beta.-lactamase inhibito

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Fungus – except allergen – or component thereof or substance...
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Antibiotics and derivatives thereof having .beta.-lactamase inhi

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Fungus – except allergen – or component thereof or substance...
Patent

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Antibiotics, neoviridogriseins, and their method of production

Drug – bio-affecting and body treating compositions – Immunoglobulin – antiserum – antibody – or antibody fragment,... – Reduced antigenicity – reduced ability to bind complement – or...
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Antibiotics, neoviridogriseins, and their method of production

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai
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One-step enzymatic conversion of cephalosporin C and derivatives

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound having a 1-thia-5-aza-bicyclo
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Profile ID: LFUS-PAI-P-790204

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