Inventor · Drexel Hill, PA, US

D. Michael Duggan

6Patents
5h-index
3Co-inventors
45Inventor score

Filing activity: Oct 2, 1985 → Aug 31, 1988

Most-cited inventions

PatentTitleAreaCited byStatus
US4895818A Phosphonite-and phosphinite-promoted ruthenium - cobalt catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers Performing Operations; Transporting 14 Expired
US4692426A Phosphite-promoted ruthenium-cobalt catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers Performing Operations; Transporting 13 Expired
US4663489A Ruthenium-cobalt carbonyl catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers Performing Operations; Transporting 13 Expired
US4895987A Phosphonite-and phosphonite-promoted ruthenium - cobalt catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers Performing Operations; Transporting 12 Expired
US4618729A Ruthenium-cobalt carbonyl metal cluster catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers Performing Operations; Transporting 11 Expired
US4652542A Ruthenium-cobalt carbonyl catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers Performing Operations; Transporting 2 Expired

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