Inventor
PEARSON MICHAEL JOHN
5 patents
Patents
5 patentsUS4108992AAug 22, 1978
Cephalosporin analogues and compositions
BEECHAM GROUP LTD9 citations71
US3975383AAug 17, 1976
3-Benzyl-7-triphenylmethylamino-3-cephem-4-carboxylic acid and salts and esters thereof
BEECHAM GROUP LTD6 citations70
US3974154AAug 10, 1976
3-Benzyl-7-amino-3-cephem-4-carboxylic acid, the tertiary butyl ester, or the pharmaceutically acceptable salts thereof
BEECHAM GROUP LTD6 citations70
US3959267AMay 25, 1976
3-(2'-Tetrahydropyranylmethyl)-7-(2-thienylacetamido)-3-cephem-4-carboxylic acid and non-toxic salts thereof
BEECHAM GROUP LTD5 citations70
US3939157AFeb 17, 1976
3-Benzyl-7-substituted acetamido-3-cephem-4-carboxylic acids and halogenated benzyl derivatives
BEECHAM GROUP LTD3 citations59