David H. Igo
12Patents
6h-index
29Co-inventors
66Inventor score
Filing activity: May 9, 2000 → Jan 30, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7462641B2 | (2S,4S)-4-fluoro-1-[4-fluoro-beta-(4-fluorophenyl)-L-phenylalanyl]-2-pyrrolidinecarbonitrile p-toluenesulfonic acid salt and anhydrous crystalline forms thereof | Human Necessities | 53 | Expired |
| US8673912B2 | Crystalline Forms on N-[3-fluoro-4-({6-(methyloxy)-7-[(3-morpholin-4-ylpropyl)oxy]-quinolin-4-yl}oxy)phenyl]-N′-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide | Human Necessities | 33 | Active |
| US9150513B2 | Polymorphic forms of the sodium salt of 4-tert-butyl-N-[4-chloro-2-(1-oxy-pyridine-4-carbonyl)-phenyl]-benzene sulfonamide | Chemistry; Metallurgy | 7 | Active |
| US7649010B2 | Carvedilol hydrobromide | Human Necessities | 7 | Active |
| US9139526B2 | Polymorphic forms of the sodium salt of 4-tert-butyl-N-[4-chloro-2-(1-oxy-pyridine-4-carbonyl)-phenyl]-benzenesulfonamide | Human Necessities | 7 | Active |
| US7008599B1 | High throughput crystal form screening workstation and method of use | Physics | 6 | Expired |
| US7750036B2 | Carvedilol salts, corresponding compositions, methods of delivery and/or treatment | Human Necessities | 5 | Active |
| US9464054B2 | Polymorphic forms of the sodium salt of 4-tert-butyl-N-[4-CHLOR0-2-(1-oxy-pyridine-4-carbonyl)-phenyl]-benzenesulfonamide | Human Necessities | 1 | Active |
| US9493417B2 | Polymorphic forms of the sodium salt of 4-tert-butyl-N-[4-chloro-2-(1-oxy-pyridine-4-carbonyl)-phenyl]-benzenesulfonamide | Chemistry; Metallurgy | 1 | Active |
| US12371427B2 | Polymorphic forms of a substituted-quinoxaline-type bridged-piperidine compound | Chemistry; Metallurgy | 0 | Active |
| US9643950B2 | Solid forms of {s-3-(4-amino-1-oxo-isoindolin-2-yl)(piperidine-3,4,4,5,5-d5)-2,6-dione} | Chemistry; Metallurgy | 0 | Active |
| US9809548B2 | Polymorphic forms of the sodium salt of 4-tert-butyl-N-[4-chloro-2-(1-oxy-pyridine-4-carbonyl)-phenyl]-benzene sulfonamide | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.