AB Leo
5Patents
0Active
5Granted
28Portfolio score
Filing activity: Feb 2, 1981 → Jan 26, 1988
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4907606A | Tobacco compositions, method and device for releasing essentially pure nicotine | Human Necessities | 413 | Expired |
| US4776353A | Tobacco compositions, method and device for releasing essentially pure nicotine | Human Necessities | 238 | Expired |
| US4848376A | Tobacco compositions, method and device for releasing essentially pure nicotine | Human Necessities | 205 | Expired |
| US4341948A | Apparatus with built-in heating device for disinfecting contact lenses | Human Necessities | 12 | Expired |
| US4537722A | Steroid esters preparation | Chemistry; Metallurgy | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.