Rentech, Inc.
🏢 View company profile →58Patents
30Active
58Granted
45Portfolio score
Filing activity: Apr 13, 1992 → Dec 18, 2013 · 23 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6306917A | Processes for the production of hydrocarbons, power and carbon dioxide from carbon-containing materials | Emerging Cross-Sectional Technologies | 91 | Expired |
| US5324335A | Process for the production of hydrocarbons | Emerging Cross-Sectional Technologies | 67 | Expired |
| US6068760A | Catalyst/wax separation device for slurry Fischer-Tropsch reactor | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5504118A | Process for the production of hydrocarbons | Emerging Cross-Sectional Technologies | 54 | Expired |
| US5506272A | Process for the production of hydrocarbons | Emerging Cross-Sectional Technologies | 48 | Expired |
| US8084656B2 | Systems and methods for oxidation of synthesis gas tar | Emerging Cross-Sectional Technologies | 47 | Active |
| US8168686B2 | Integrated biorefinery for production of liquid fuels | Emerging Cross-Sectional Technologies | 47 | Active |
| US5543437A | Process for the production of hydrocarbons | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5620670A | Process for the production of hydrocarbons | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5763716A | Process for the production of hydrocarbons | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6838487B1 | Method and apparatus for regenerating an iron-based Fischer-Tropsch catalyst | Chemistry; Metallurgy | 41 | Expired |
| US6976362B2 | Integrated Fischer-Tropsch and power production plant with low CO2 emissions | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5500449A | Process for the production of hydrocarbons | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5621155A | Process for the production of hydrocarbons | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5645613A | Process for the production of hydrocarbons | Emerging Cross-Sectional Technologies | 25 | Expired |
| US8814963B2 | System and method for dual fluidized bed gasification | Emerging Cross-Sectional Technologies | 24 | Active |
| US7919065B2 | Apparatus and methods for the production of ammonia and Fischer-Tropsch liquids | Emerging Cross-Sectional Technologies | 23 | Active |
| US8241523B2 | System and method for dual fluidized bed gasification | Emerging Cross-Sectional Technologies | 19 | Active |
| US6083475A | Method for making lithiated metal oxide | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7300642B1 | Process for the production of ammonia and Fischer-Tropsch liquids | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6632846B2 | Integrated urea manufacturing plants and processes | Emerging Cross-Sectional Technologies | 18 | Expired |
| US8974763B1 | System and method for production of granular ammonium sulfate | Chemistry; Metallurgy | 14 | Active |
| US7879756B2 | Precipitated iron catalyst for hydrogenation of carbon monoxide | Performing Operations; Transporting | 12 | Active |
| US6627666B1 | Fischer-Tropsch synthesis using industrial process off gas feedstreams | Chemistry; Metallurgy | 12 | Expired |
| US7763088B2 | Biomass gasification system | Emerging Cross-Sectional Technologies | 11 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.