Inventor
RAFFA ROBERT B
US10 patents
⚠️ This page may combine multiple inventors who share the name “RAFFA ROBERT B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MCNEILAB INC
4 patentsUS5336691AAug 9, 1994
Composition comprising a tramadol material and acetaminophen and its use
MCNEILAB INC166 citations96
US5516803AMay 14, 1996
Composition comprising a tramadol material and a non-steroidal anti-inflammatory drug
MCNEILAB INC93 citations94
US5468744ANov 21, 1995
Composition comprising a tramadol material and any of codeine, oxycodone or hydrocodone and their use
MCNEILAB INC31 citations90
US5223541AJun 29, 1993
Tramadol n-oxide material, enantiomers and compositions thereof, and their use
MCNEILAB INC20 citations81