Inventor · Newton, MA, US

Stephen L. Buchwald

55Patents
21h-index
80Co-inventors
91Inventor score

Filing activity: Aug 7, 1989 → Jun 20, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US7399488B2 Abuse-deterrent pharmaceutical compositions of opiods and other drugs Human Necessities 195 Expired
US6307087A Ligands for metals and improved metal-catalyzed processes based thereon Chemistry; Metallurgy 133 Expired
US5576460A Preparation of arylamines Chemistry; Metallurgy 118 Expired
US6395916B1 Ligands for metals and improved metal-catalyzed processes based thereon Chemistry; Metallurgy 92 Expired
US7223879B2 Ligands for metals and improved metal-catalyzed processes based thereon Chemistry; Metallurgy 85 Expired
US5847166A Synthesis of aryl ethers Chemistry; Metallurgy 80 Expired
US6946560B2 Ligands for metals and improved metal-catalyzed processes based thereon Chemistry; Metallurgy 76 Expired
US6323366A Arylamine synthesis Chemistry; Metallurgy 73 Expired
US7247731B2 Ligands for metals and improved metal-catalyzed processes based thereon Chemistry; Metallurgy 73 Expired
US7026498B2 Ligands for metals and improved metal-catalyzed processes based thereon Chemistry; Metallurgy 73 Expired
US6759554B2 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds Chemistry; Metallurgy 70 Expired
US6762329B2 Diaryl ether condensation reactions Chemistry; Metallurgy 69 Expired
US6235936A Metal-catalyzed arylations of hydrazines, hydrazones, and related substrates Chemistry; Metallurgy 66 Expired
US6867298B2 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds Chemistry; Metallurgy 65 Expired
US6166226A Synthesis of aryl ethers Chemistry; Metallurgy 63 Expired
US6888032B2 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds Chemistry; Metallurgy 59 Expired
US6465693B2 Metal-catalyzed arylations of hydrazines, hydrazones, and related substrates Chemistry; Metallurgy 57 Expired
US7323608B2 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds Chemistry; Metallurgy 56 Expired
US7115784B2 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds Chemistry; Metallurgy 55 Expired
US5220020A Catalytic reduction of organic carbonyls using metal catalysts Chemistry; Metallurgy 29 Expired
US9044398B2 Abuse-deterrent pharmaceutical compositions of opiods and other drugs Human Necessities 22 Active
US6867310B1 Arylation and vinylation of activated carbons Chemistry; Metallurgy 19 Expired
US7858784B2 Ligands for transition-metal-catalyzed cross-couplings, and methods of use thereof Chemistry; Metallurgy 17 Active
US7560582B2 Ligands for metals and improved metal-catalyzed processes based thereon Chemistry; Metallurgy 14 Active
US5227538A Catalytic asymmetric reduction of ketones using metal catalysts Chemistry; Metallurgy 12 Expired

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