Inventor
WETZEL BERND
DE15 patents
⚠️ This page may combine multiple inventors who share the name “WETZEL BERND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BOEHRINGER SOHN INGELHEIM
7 patentsUS4256738AMar 17, 1981
9-(ω-Heteroarylamino-alkylamino)-erythromycins and salts thereof
BOEHRINGER SOHN INGELHEIM65 citations94
US4173647ANov 6, 1979
4-Spectinomycylamine and salts thereof
BOEHRINGER SOHN INGELHEIM18 citations81
US4048306ASep 13, 1977
Aldehyde-erythromycylamine condensation products
BOEHRINGER SOHN INGELHEIM29 citations81
US4415566ANov 15, 1983
Cephalosporin derivatives
BOEHRINGER SOHN INGELHEIM6 citations62
US4241056ADec 23, 1980
Penicillins and salts thereof
BOEHRINGER SOHN INGELHEIM5 citations62
US4016263AApr 5, 1977
N-Substituted erythromcylamines and salts thereof
BOEHRINGER SOHN INGELHEIM7 citations62
US4370327AJan 25, 1983
Cephalosporins and pharmaceutical compositions
BOEHRINGER SOHN INGELHEIM1 citations51
THOMAE GMBH DR K
6 patentsUS4401667AAug 30, 1983
Cephalosporins
THOMAE GMBH DR K2 citations62
US4379784AApr 12, 1983
Pyrimidinyl ureido penicillins
THOMAE GMBH DR K3 citations62
US4364944ADec 21, 1982
Cephalosporins
THOMAE GMBH DR K1 citations51
US4289775ASep 15, 1981
Penicillins
THOMAE GMBH DR K0 citations51
US4454128AJun 12, 1984
6α-Methoxy-penicillins
THOMAE GMBH DR K1 citations49
US4362725ADec 7, 1982
Cephalosporins
THOMAE GMBH DR K0 citations41