Inventor · Norristown, PA, US

Robert B. Raffa

11Patents
5h-index
12Co-inventors
63Inventor score

Filing activity: Sep 13, 1991 → May 3, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5336691A Composition comprising a tramadol material and acetaminophen and its use Human Necessities 119 Expired
US5516803A Composition comprising a tramadol material and a non-steroidal anti-inflammatory drug Human Necessities 40 Expired
USRE39221E1 Composition comprising a tramadol material and acetaminophen and its use General 39 Expired
US5468744A Composition comprising a tramadol material and any of codeine, oxycodone or hydrocodone and their use Human Necessities 18 Expired
US5223541A Tramadol N-oxide material, enantiomers and compositions thereof, and their use Chemistry; Metallurgy 10 Expired
US5508424A 4-arylisoindole analgesics Chemistry; Metallurgy 4 Expired
US6900189B2 Analgesic and glucosamine compositions Human Necessities 3 Expired
US10537552B2 Substituted 5-hydroxyoxindoles and their use as analgesics and fever reducers Human Necessities 0 Active
US5543530A 4-arylisoindole analgesics Chemistry; Metallurgy 0 Expired
US5739139A Acetaminophen and dimenhydrinate analgesics Human Necessities 0 Expired
US7662803B2 Method for treating warm-blooded vertebrates with halide-free glucosamine-acidic drug complexes Human Necessities 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.