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Denver, CO, United States of America

Rentech, Inc.

USPTO Granted Patents = 58

% Expired Patents = 36.2

CIPO Patents = 2

EPO Patents = 1

Forward Citations = 824

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35 inventors (with patents filed for the assignee):

Dennis L Yakobson (22 out of 23 patents)

Charles B Benham (21 out of 23 patents)

Mark S Bohn (21 out of 27 patents)

4. Harold A Wright (15 out of 50 patents)

5. Belma Demirel (12 out of 23 patents)

6. Mark D Ibsen (7 out of 22 patents)

7. Peter S Pedersen (7 out of 7 patents)

8. James E Siebarth (6 out of 10 patents)

9. Dale R Shackle (6 out of 61 patents)

10. Jesse Wade Taylor (5 out of 21 patents)

11. Sara L Rolfe (5 out of 11 patents)

12. Dawid J Duvenhage (5 out of 13 patents)

13. George Apanel (5 out of 6 patents)

14. Benjamin M Chaloner-Gill (5 out of 44 patents)

15. Randy Blevins (3 out of 8 patents)

Core Competencies:

Granular Ammonium Sulfate

Dual Fluidized Bed Gasification

Iron-Based Catalyst

Biomass Gasification

Hydrogen Production

Fischer-Tropsch Synthesis

Liquid Fuels

Carbon Utilization

Ammonia Production

Hydrocarbons

Urea Manufacturing

Slurry Reactor

58 patents: Sort by Forward Citations

1. 8974763 - System and method for production of granular ammonium sulfate (2015-03-10),

2. 8814963 - System and method for dual fluidized bed gasification (2014-08-26),

3. 8809225 - Iron-based fischer-tropsch catalyst (2014-08-19),

4. 8801815 - System and method for dual fluidized bed gasification (2014-08-12),

5. 8791041 - Slurry bed fischer-tropsch catalysts with silica/alumina structural promoters (2014-07-29),

6. 8778178 - Integrated multi-step solid/liquid separation system for Fischer-Tropsch processes (2014-07-15),

7. 8715380 - System and method for dual fluidized bed gasification (2014-05-06),

8. 8591610 - System and method for dual fluidized bed gasification (2013-11-26),

9. 8530366 - Protected fischer-tropsch catalyst and method of providing same to a fischer-tropsch process (2013-09-10),

10. 8431081 - Method and apparatus for regenerating an iron-based Fischer-Tropsch catalyst (2013-04-30),

11. 8367741 - Biomass high efficiency hydrothermal reformer (2013-02-05),

12. 8241523 - System and method for dual fluidized bed gasification (2012-08-14),

13. 8168686 - Integrated biorefinery for production of liquid fuels (2012-05-01),

14. 8146368 - Method for providing auxiliary power to an electric power plant using fischer tropsch technology (2012-04-03),

15. 8138115 - Precipitated iron catalyst for hydrogenation of carbon monoxide (2012-03-20),

Rentech, Inc., based in Denver, Colorado, specializes in advanced technologies for converting biomass and other feedstocks into valuable liquid fuels and chemicals. The company focuses on Fischer-Tropsch technology, which enables the synthesis of hydrocarbons from syngas produced through gasification processes. Rentech's expertise includes granular ammonium sulfate production, dual fluidized bed gasification, and the development of iron-based catalysts, positioning it as a key player in hydrogen production and carbon utilization within the renewable energy sector.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

58 Patents

#24 in Denver, CO

#122 in Colorado

#6,146 in US

#12,371 in the World

Denver, CO, United States of America

Rentech, Inc.

Forward Citations = 824

35 inventors:

Dennis L Yakobson (22 out of 23 patents)

Charles B Benham (21 out of 23 patents)

Mark S Bohn (21 out of 27 patents)

4. Harold A Wright (15 out of 50 patents)

5. Belma Demirel (12 out of 23 patents)

Please report any incorrect information to [email protected]

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