Mark Alan Helle
6Patents
3h-index
15Co-inventors
54Inventor score
Filing activity: Feb 8, 1993 → Nov 27, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7674922B2 | Process for production of delta-9-tetrahydrocannabinol | Chemistry; Metallurgy | 25 | Active |
| US5456727A | Dye compositions for polyamides | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6359012B1 | Method for making 24(S)-hydroxyvitamin D2 | Human Necessities | 3 | Expired |
| US5350838A | High temperature process for preparing fiber reactive dyes | Chemistry; Metallurgy | 1 | Expired |
| US11155568B2 | Bioadhesives | Chemistry; Metallurgy | 1 | Active |
| US10533031B2 | Methods of making and using lignin derivatives | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.