Inventor · Swampscott, MA, US

Richard L. Gabriel

18Patents
6h-index
24Co-inventors
62Inventor score

Filing activity: Mar 4, 1992 → Apr 30, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5580878A Substituted tryptamines phenalkylamines and related compounds Chemistry; Metallurgy 45 Expired
US5403851A Substituted tryptamines, phenalkylamines and related compounds Chemistry; Metallurgy 43 Expired
US5475138A Method preparing amino acid-derived diaminopropanols Chemistry; Metallurgy 29 Expired
US5631405A Method of forming amino acid-derived diaminopropanols useful as chemical intermediates for protease-inhibitors Chemistry; Metallurgy 13 Expired
US5319115A Method for making 3.alpha.-hydroxy, 3.beta.-substituted-pregnanes Chemistry; Metallurgy 8 Expired
US5599994A Amino acid-derived diaminopropanols Chemistry; Metallurgy 7 Expired
US6462221B1 Synthesis of nitroalcohol diastereomers Emerging Cross-Sectional Technologies 5 Expired
US5630914A Method and apparatus for decontaminating a liquid Chemistry; Metallurgy 4 Expired
US6461858B1 Enzyme activated supports for enantiomeric separations Chemistry; Metallurgy 3 Expired
US6677459B2 Amino acid derivatives and methods of making the same Emerging Cross-Sectional Technologies 2 Expired
US5562808A Method and apparatus for decontaminating a liquid surfactant of dioxane Chemistry; Metallurgy 2 Expired
US6020495A Stereoselective method for synthesizing dolaphenine Chemistry; Metallurgy 2 Expired
US5643408A Apparatus for decontaminating a liquid surfactant of dioxane Chemistry; Metallurgy 1 Expired
US6479669B2 Amino acid derivatives and methods of making the same Emerging Cross-Sectional Technologies 1 Expired
US6063963A Amino acid-derived diaminopropanols Chemistry; Metallurgy 0 Expired
US6590106B2 Amino acid derivatives and methods of making the same Emerging Cross-Sectional Technologies 0 Expired
US5618966A Method forming protease inhibitor synthetic intermediates Chemistry; Metallurgy 0 Expired
US5750713A Stereoselective method for synthesizing dolaphenine Chemistry; Metallurgy 0 Expired

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