Michael S. Howarth
7Patents
3h-index
6Co-inventors
46Inventor score
Filing activity: Oct 13, 1978 → Nov 4, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4233232A | Manufacture of esters | Chemistry; Metallurgy | 12 | Expired |
| US4276418A | Process for the purification of esters of phosphorus thioacids | Chemistry; Metallurgy | 9 | Expired |
| US4745193A | Process for the preparation of fluoromethylpyridines | Chemistry; Metallurgy | 6 | Expired |
| US5792887A | Decarboxylation process | Chemistry; Metallurgy | 2 | Expired |
| US4812572A | Process for preparation of fluoroaromatic or fluoroheterocyclic compounds | Chemistry; Metallurgy | 1 | Expired |
| US5189163A | Method of preparing pyridazinone derivatives | Human Necessities | 1 | Expired |
| US4225503A | Manufacture of esters | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.