Inventor · Fryeburg, ME, US

Daniel Hall

8Patents
2h-index
5Co-inventors
44Inventor score

Filing activity: Jun 18, 1971 → Jun 27, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US3940374A Synthesis of polythiol polymer intermediates from polyunsaturated hydrocarbons Emerging Cross-Sectional Technologies 17 Expired
US8227481B2 Substituted piperidine spiro pyrrolidinone and piperidinone, preparation and therapeutic use thereof Human Necessities 8 Active
US4003939A Addition of sulfenyl halides to olefins and acetylenes Chemistry; Metallurgy 2 Expired
US8796278B2 Substituted N-heteroaryl spirolactam bipyrrolidines, preparation and therapeutic use thereof Chemistry; Metallurgy 1 Active
US8604046B2 Substituted piperidine spiro pyrrolidinone and piperidinone, preparation and therapeutic use thereof Human Necessities 0 Active
US4112024A Phosphoryl sulfenyl chloride olefin adducts Chemistry; Metallurgy 0 Expired
US9533995B2 Substituted N-heteroaryl spirolactam bipyrrolidines, preparation and therapeutic use thereof Chemistry; Metallurgy 0 Active
US8859588B2 Substituted N-heteroaryl bipyrrolidine carboxamides, preparation and therapeutic use thereof Chemistry; Metallurgy 0 Active

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