Inventor · Charles City, IA, US

Paul Jass

14Patents
4h-index
35Co-inventors
60Inventor score

Filing activity: Jul 8, 1999 → Feb 28, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6323359A Process for preparing probucol derivatives Chemistry; Metallurgy 15 Expired
US7705184B2 Method of making amphetamine Chemistry; Metallurgy 8 Active
US6140088A Stereoselective reductive amination of ketones Chemistry; Metallurgy 6 Expired
US6162913A Preparation of [4S-(4.alpha.,7.alpha.,10a.beta.)]-4-amino-octahydro-5-oxo-7H-pyrido[2,1 -b] [1,3]thiazepine-7-carboxylic acid, methyl ester and salts thereof via novel disulfides Emerging Cross-Sectional Technologies 4 Expired
US6248882A Preparation of (s)-2-amino-6,6-dimethoxyhexanoic acid methyl ester via novel dioxolanes Chemistry; Metallurgy 3 Expired
US8299258B2 Method of making piperidine derivatives Chemistry; Metallurgy 3 Active
US6486331B2 Substituted alkylketo compounds and process Chemistry; Metallurgy 2 Expired
US6329542A Preparation of (S)-2-amino-6,6-dimethoxyhexanoic acid methyl ester via novel dioxolanes Chemistry; Metallurgy 1 Expired
US8614346B2 Methods and compositions for preparation of amphetamine conjugates and salts thereof Chemistry; Metallurgy 1 Active
US6468781B1 Stereoselective reductive amination of ketones Chemistry; Metallurgy 1 Expired
US7294736B2 Process for preparation of probucol derivatives Chemistry; Metallurgy 0 Expired
US7247744B2 Process for the preparation of probucol derivatives Chemistry; Metallurgy 0 Active
US11267774B2 Synthetic cannabidiol compositions and methods of making the same Chemistry; Metallurgy 0 Active
US7345191B2 Process for preparation of probucol derivatives Chemistry; Metallurgy 0 Active

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