Zeachem, Inc.
14Patents
10Active
14Granted
47Portfolio score
Filing activity: Dec 29, 2000 → May 5, 2011 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6509180B1 | Process for producing ethanol | Emerging Cross-Sectional Technologies | 282 | Expired |
| US6927048B2 | Process for producing ethanol | Emerging Cross-Sectional Technologies | 226 | Expired |
| US7507562B2 | Process for producing ethanol from corn dry milling | Emerging Cross-Sectional Technologies | 192 | Active |
| US7351559B2 | Process for producing ethanol | Emerging Cross-Sectional Technologies | 165 | Active |
| US7074603B2 | Process for producing ethanol from corn dry milling | Emerging Cross-Sectional Technologies | 158 | Expired |
| US7682812B2 | Process for producing ethanol | Emerging Cross-Sectional Technologies | 115 | Active |
| US7888082B2 | Process for producing ethanol from corn dry milling | Emerging Cross-Sectional Technologies | 112 | Active |
| US7601865B2 | Recovery of organic acids | Emerging Cross-Sectional Technologies | 88 | Expired |
| US7964379B2 | Process for producing ethanol | Emerging Cross-Sectional Technologies | 46 | Active |
| US8329436B2 | Method of making propanol and ethanol from plant material by biological conversion and gasification | Emerging Cross-Sectional Technologies | 12 | Active |
| US8236534B2 | Process for producing ethanol | Emerging Cross-Sectional Technologies | 8 | Active |
| US8143444B2 | Recovery of organic acids | Emerging Cross-Sectional Technologies | 5 | Active |
| US8252567B2 | Method for the indirect production of butanol and hexanol | Chemistry; Metallurgy | 2 | Active |
| US8048655B2 | Recovery of organic acids | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.