Raghubir Prasad Gupta

This inventor holds 24 USPTO granted patents and 16 published patent applications, plus 2 CIPO patents and 7 EPO patents, primarily in Carbon Capture Technology. Top assignees: Research Triangle Institute, Susteon Inc., Intercat, Inc.. Active years: 1993-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Raghubir Prasad Gupta. Retrieved from https://idiyas.com/inventor/raghubir-prasad-gupta

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 24 (Patent Applications = 16)

% Patents Active = 100.0

CIPO Patents = 2 (Patent Applications = 7)

EPO Patents = 7 (Patent Applications = 9)

Average Co-Inventor Count = 2.8

ph-index = 9

Forward Citations = 176(Granted Patents)

Location History:

Durham, NC (US) (1993 - 2022)
Research Triangle Park, NC (US) (2023)

Company Filing History:

18 out of 359

Research Triangle Institute

Saudi Arabian Oil Company

patents

5. 1 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 1993-2026

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Areas of Expertise:

CO2 Capture

Sorbents

Desulfurization

Hydrogen Production

Catalytic Processes

Zinc Oxide

Chemical Reactivity

Fluidizable Materials

Metal Oxide

Biomass Pyrolysis

Acid Gas Removal

Zinc Titanate

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12528046 - High performance CO2 capture solvent compositions, and CO2 capture systems and processes utilizing same (2026-01-20),

2. 12409446 - Electrically heated substrates, assemblies, systems, and processes for catalytic, chemical, and sorbent applications (2025-09-09),

3. 12258527 - Continuous desulfurization process based on metal oxide-based regenerable sorbents (2025-03-25),

4. 12172125 - High performance COcapture solvent compositions, and COcapture systems and processes utilizing same (2024-12-24),

5. 11724938 - Methods for production of hydrogen (2023-08-15),

6. 11491457 - Zinc oxide based sorbent and process for preparing same (2022-11-08),

7. 11225618 - Continuous desulfurization process based on metal oxide-based regenerable sorbents (2022-01-18),

8. 10414649 - Integrated system and method for removing acid gas from a gas stream (2019-09-17),

9. 10265677 - Regenerable sorbent for carbon dioxide removal (2019-04-23),

10. 9944857 - Catalytic biomass pyrolysis process (2018-04-17),

11. 9808783 - Regenerable sorbent for carbon dioxide removal (2017-11-07),

12. 9539541 - [object Object] (2017-01-10),

13. 8975464 - [object Object] (2015-03-10),

14. 7956006 - Process for preparing zinc oxide-based sorbents (2011-06-07),

15. 7923410 - Regenerable sorbents for removal of sulfur from hydrocarbons and processes for their preparation and use (2011-04-12),

Title: Raghubir Prasad Gupta: Innovator in CO Capture and Hydrogen Production

Introduction

Raghubir Prasad Gupta, based in Durham, NC, is a prolific inventor with an impressive portfolio of 21 patents. His work primarily focuses on innovative solutions for carbon dioxide capture and hydrogen production, addressing some of the critical challenges in environmental sustainability and energy efficiency.

Latest Patents

Among his latest contributions are the patents on high-performance CO capture solvent compositions and CO capture systems and processes utilizing the same. These aqueous solvent compositions incorporate one or more CO-sorbing amines, such as amino acid salts and sterically hindered amines. The innovation aims to enhance solvent characteristics, including CO absorption capacity and rate, desorption capacity, and thermal stability, while minimizing energy and toxicity. Another of his notable patents involves methods for producing hydrogen. This invention describes a process where synthesis gas containing nitrogen is transformed to improve the hydrogen to carbon dioxide ratio, ultimately producing a high-purity hydrogen gas stream with over 99.9 percent purity and over 99 percent recovery.

Career Highlights

Raghubir has made significant strides in his career, working for esteemed organizations such as the Research Triangle Institute and Susteon Inc. His contributions have focused on developing advanced technologies that make a tangible impact on energy and environmental sectors.

Collaborations

Throughout his professional journey, Raghubir has collaborated with notable individuals in his field, such as Brian Scott Turk and Santosh Kumar Gangwal. These collaborations have fostered an environment of innovation, allowing the exchange of ideas and expertise that contribute to his success as an inventor.

Conclusion

Raghubir Prasad Gupta exemplifies the spirit of innovation in the fields of carbon capture and hydrogen production. His relentless pursuit of developing efficient, environmentally friendly technologies through his patents significantly contributes to advancing sustainable practices in energy usage. With a solid foundation of collaborations and a noteworthy career, Raghubir continues to be a driving force in his area of expertise.

Profile summary based on public USPTO records.