Robert B. Koolstra
3Patents
2h-index
6Co-inventors
30Inventor score
Filing activity: Dec 7, 1989 → Apr 24, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5252191A | Method for the photochemical isomerization of organic compounds under the influence of a photosensitizer | Chemistry; Metallurgy | 24 | Expired |
| US5035783A | Method for the photochemical conversion of tachysterol compounds into previtamin D compounds and of trans-vitamin D compounds into cis-vitamin D compounds | Chemistry; Metallurgy | 6 | Expired |
| US5175217A | Method for the photochemical conversion of tachysterol compounds into previtamin D compounds and of trans-vitamin D compounds into cis-vitamin D compounds using a polymeric photoinitiator | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.