Inventor
NAUMANN CHRISTOPH
DE17 patents
⚠️ This page may combine multiple inventors who share the name “NAUMANN CHRISTOPH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
13 patentsUS5395826AMar 7, 1995
Guanidinealkyl-1,1-bisphosphonic acid derivatives, process for their preparation and their use
HOECHST AG35 citations91
US5294608AMar 15, 1994
Guanidinoalkyl-1,1-bisphosphonic acid derivatives, process for their preparation and their use
HOECHST AG26 citations91
US5498617AMar 12, 1996
Guanidinealkyl-1,1-bisphosphonic acid derivatives process for their preparation and their use
HOECHST AG13 citations81
US5728886AMar 17, 1998
Compounds of the phosphine group, their preparation and their use
HOECHST AG9 citations73
US5661174AAug 26, 1997
Guanidinealkyl-1,1-bisphosphonic acid derivatives, process for their preparation and their use
HOECHST AG11 citations72
US5364846ANov 15, 1994
N-cycloalkylaminoethane-1,1-bis (phosphonic acid) useful for the treatment of osteoporosis and degenerative joint disease
HOECHST AG6 citations69
US5744643AApr 28, 1998
Process for preparing aromatic amines
HOECHST AG3 citations62
US5741931AApr 21, 1998
Phosphepinium salts
HOECHST AG2 citations62
US5696296ADec 9, 1997
Diphosphines and process for their preparation
HOECHST AG2 citations62
US5684182ANov 4, 1997
Sulfonated diphosphines and a process for their preparation
HOECHST AG5 citations62
US5302677AApr 12, 1994
Alkenylaminoalkane-1,1-diphosphonic acid derivatives and copolymers thereof with unsaturated carboxylic acids
HOECHST AG6 citations60
US5935947AAug 10, 1999
Imidobisphosphoric acids, and use thereof
HOECHST AG1 citations49
US5733897AMar 31, 1998
Imidobisphosphoric acids, and use therefor
HOECHST AG1 citations49