Inventor · Indianapolis, IN, US

Leland O. Weigel

22Patents
2h-index
27Co-inventors
57Inventor score

Filing activity: Apr 18, 1984 → Apr 13, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6111110A Synthesis of benzo[f]quinolinones Chemistry; Metallurgy 6 Expired
US5169945A Amino protecting group Emerging Cross-Sectional Technologies 2 Expired
US5541190A Benzo(F)quinolinones Chemistry; Metallurgy 2 Expired
US4764609A Synthesis of 2-aminopyrimido[4,5-g]quinolines Chemistry; Metallurgy 2 Expired
US4600777A Method of preparing 1-alkyl-7-oxodecahydroquinolines, and cis(.+-.) and tran(.+-.)isomers so prepared Chemistry; Metallurgy 1 Expired
US4831145A 7-phenylsulfonyloxymethylene-6-oxo-perhydroquinolines Chemistry; Metallurgy 1 Expired
US5334767A Benzo[F]quinolinones Chemistry; Metallurgy 1 Expired
US4587351A Synthesis of ketones with calcium hypochlorite Chemistry; Metallurgy 1 Expired
US5574160A Syntheis of benzoquinolinones Chemistry; Metallurgy 1 Expired
US5283329A Amino protecting group Emerging Cross-Sectional Technologies 1 Expired
US5239069A Amino protecting group Emerging Cross-Sectional Technologies 1 Expired
US5670512A Benzo F! quinolinones Chemistry; Metallurgy 1 Expired
US5495021A Benzo[f]quinolinones Chemistry; Metallurgy 1 Expired
US5097049A Process and intermediates for chiral epoxides Chemistry; Metallurgy 0 Expired
US7615568B2 Antithrombotic ethers Chemistry; Metallurgy 0 Expired
US5391728A Bicyclic B-lactams intermediates having a new amino protecting group Emerging Cross-Sectional Technologies 0 Expired
US5453504A Bicyclic .beta.-lactams intermediates having a new amino protecting group Emerging Cross-Sectional Technologies 0 Expired
US5256807A Process and intermediates for chiral epoxides Chemistry; Metallurgy 0 Expired
US5183910A Process and intermediates for chiral epoxides Chemistry; Metallurgy 0 Expired
US4595754A Process for preparing cis N-alkylperhydroquinolines Chemistry; Metallurgy 0 Expired
US5296615A Process and intermediates for chiral epoxides Chemistry; Metallurgy 0 Expired
US4689415A Trans octahydroquinoline intermediate Chemistry; Metallurgy 0 Expired

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