Inventor · Tustin, CA, US

Daniel Levin

56Patents
7h-index
40Co-inventors
72Inventor score

Filing activity: Nov 25, 1987 → May 20, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8586733B2 Processes and intermediates for making sweet taste enhancers Chemistry; Metallurgy 14 Active
US7960371B2 High-purity large-scale preparation of stannsoporfin Chemistry; Metallurgy 13 Active
US8530458B2 High-purity large-scale preparation of stannsoporfin Chemistry; Metallurgy 11 Active
US7777028B2 Preparation of metal mesoporphyrin compounds Chemistry; Metallurgy 10 Active
US5354920A Chemical process for the preparation of a 2-hydroxyarylaldehyde Chemistry; Metallurgy 9 Expired
US9107927B2 High-purity large-scale preparation of stannsoporfin Chemistry; Metallurgy 8 Active
US9382196B2 Processes and intermediates for making sweet taste enhancers Chemistry; Metallurgy 8 Active
US8507734B2 Pharmaceutical compositions comprising monoterpenes Chemistry; Metallurgy 7 Active
US9211269B2 Methods and devices for using isoperillyl alcohol Chemistry; Metallurgy 6 Active
US5763675A Process for the preparation of 2-hydroxyarylaldehydes under reduced pressure Chemistry; Metallurgy 5 Expired
US8835416B2 High-purity large-scale preparation of stannsoporfin Chemistry; Metallurgy 4 Active
US8524944B2 Process for the preparation of sodium gamma-hydroxybutyrate Chemistry; Metallurgy 4 Active
US8410304B2 Process for preparing gamma-hydroxybutyrate Chemistry; Metallurgy 4 Active
US9732052B2 Processes and intermediates for making sweet taste enhancers Chemistry; Metallurgy 4 Active
US5502254A Method for the preparation of 2-hydroxyarylaldoximes Chemistry; Metallurgy 3 Expired
US9133085B2 Pharmaceutical compositions comprising monoterpenes Chemistry; Metallurgy 3 Active
US5248816A Process for making 2-hydroxymandelic acid and 2-hydroxybenzaldehydes Chemistry; Metallurgy 3 Expired
US9480659B2 Pharmaceutical compositions comprising monoterpenes Chemistry; Metallurgy 3 Active
US10662209B2 High-purity large-scale preparation of stannsoporfin Chemistry; Metallurgy 3 Active
US10087154B2 Processes and intermediates for making sweet taste enhancers Chemistry; Metallurgy 3 Active
US8916545B2 Pharmaceutical compositions comprising POH derivatives Chemistry; Metallurgy 3 Active
US10053407B2 Crystalline cannabidivarin Chemistry; Metallurgy 3 Active
US9498448B2 Pharmaceutical compositions comprising monoterpenes Chemistry; Metallurgy 3 Active
US9987237B2 Methods and devices for using isoperillyl alcohol Chemistry; Metallurgy 2 Active
US10273255B2 High-purity large-scale preparation of stannsoporfin Chemistry; Metallurgy 2 Active

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