Inventor

HANNAH JOHN

25 patents

⚠️ This page may combine multiple inventors who share the name “HANNAH JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HANNAH JOHN

MERCK & CO INC

Inhibitor of ribonucleotide reductase

Regioselective synthesis of 9-substituted purine acyclonucleoside derivatives

Cephalosporin compounds

Phosphate derivatives of substituted butyl guanines, antiviral compositions containing them, and methods of treating viral infections with them

O-, N- and carboxyl derivatives of thienamycin

N-heterocyclic derivatives of thienamycin

6-N-Heterocyclyl penicillins

7-N-Heterocyclyl cephalosporins

7-N-Heterocyclyl cephalosporins and antibiotic pharmaceutical compositions containing them

Inhibitor of ribonucleotide reductase

N- And carboxyl derivatives of thienamycin

Cephalosporin compounds

6-N-Heterocyclyl-3-tetrazolyl-penicillins

7-N-Heterocyclyl cephalosporins and antibiotic pharmaceutical compositions containing them

7-N-Heterocyclyl-2-substituted 1-oxadethia-cephalosporins

7-N-Heterocyclyl 1-oxa, 1-aza, and 1-carbadethiacephalosporins

Antibacterial penicillins

Anticoccidial compositions

N-acyl derivatives of thienamycin

Antibacterial 7β-heterocyclic-cephem

Heterocyclic substituted pyrimidine compounds

Anticoccidial complexes of 4,4&#39;-dinitrocarbanilides

Antibiotic N-heterocyclyl thienamycin

3-N-Pyridinium nocardicin and antibiotic composition thereof

HANNAH JOHN

Systems and methods for storage and processing of radioisotopes

Anticoccidial complexes of 4,4'-dinitrocarbanilides