Debra A. Ryan
9Patents
4h-index
9Co-inventors
46Inventor score
Filing activity: Sep 7, 1988 → Jan 30, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5093537A | Method for the manufacture of 1,3-propanediol | Chemistry; Metallurgy | 22 | Expired |
| US5866725A | Process for the production of n-propanol | Chemistry; Metallurgy | 19 | Expired |
| US5922921A | Process for the production of n-butanol | Chemistry; Metallurgy | 11 | Expired |
| USRE34349E | Method for the manufacture of 1,3-propanediol | General | 8 | Expired |
| US5616807A | Process for preparing alkyl anilines | Chemistry; Metallurgy | 4 | Expired |
| US4929773A | Method of producing 1-(4'-isobutylphenyl)ethanol | Chemistry; Metallurgy | 2 | Expired |
| US8383854B2 | Use of chemical reaction to separate ethylene from ethane in ethane-based processes to produce acetic acid | Performing Operations; Transporting | 2 | Active |
| US5648535A | Process for preparing acyl aminophenols | Chemistry; Metallurgy | 1 | Expired |
| US5151551A | Method for purification of ibuprofen comprising mixtures | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.