Julien Grandjean

USPTO Granted Patents = 18 (Patent Applications = 7)

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 11 (Patent Applications = 20)

Average Co-Inventor Count = 3.8

ph-index = 2

Forward Citations = 23(Granted Patents)

Company Filing History:

18 out of 1,160

Ifp Energies Nouvelles

where one patent can have more than one assignee

Years Active: 2011-2025

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12305136 - Method for removing acid compounds from a gaseous effluent using a tertiary amine-based absorbent solution (2025-05-20),

2. 11136434 - Polyamines, synthesis method thereof and use thereof for the selective elimination of H2S from a gaseous effluent comprising CO2 (2021-10-05),

3. 10967325 - Absorbent solution based on hydroxyl derivatives of 1,6-hexanediamine and method for eliminating acid compounds from a gaseous effluent (2021-04-06),

4. 10745329 - Zeolite adsorbents, preparation process therefor and uses thereof (2020-08-18),

5. 10618866 - Method for synthesising partially N-hydroxyethylated tertiary 1,6-hexanediamines (2020-04-14),

6. 10399925 - Beta-hydroxylated tertiary diamines, a process for their synthesis and their use for eliminating acid compounds a gaseous effluent (2019-09-03),

7. 9962645 - Absorbent solution containing a mixture of 1,2-bis-(2-dimethylaminoethoxy)-ethane and of 2-[2-(2-dimethylaminoethoxy)-ethoxy]-ethanol, and method of removing acid compounds from a gaseous effluent (2018-05-08),

8. 9919289 - Zeolite-based adsorbents based on LSX zeolite of controlled outer surface area, process for preparing them and uses thereof (2018-03-20),

9. 9873081 - Absorbent solution based on beta-hydroxylated tertiary diamines and method of removing acid compounds from a gaseous effluent (2018-01-23),

10. 9821270 - Method for selective absorption of hydrogen sulfide from a gaseous effluent by a 1,2-bis(2-dimethylaminoethoxy)ethane-based absorbent solution comprising a viscosifying agent (2017-11-21),

11. 9486737 - Absorbent tertiary monoalkanolamine solution belonging to the 3-alcoxypropylamine family, and method for removing acidic compounds contained in a gas effluent (2016-11-08),

12. 9468884 - Process for removing acidic compounds from a gaseous effluent with an absorbent solution based on dihydroxyalkylamines bearing severe steric hindrance of the nitrogen atom (2016-10-18),

13. 9421493 - Method for eliminating acid compounds from a gaseous effluent with an absorbent solution made from bis(amino-3-propyl)ethers (2016-08-23),

14. 8921602 - Method for synthesising bis[3-(N,N-dialkylamino)propyl]ethers (2014-12-30),

15. 8845787 - Absorbent solution based on N, N, N', N′-tetramethylhexane-1,6-diamine and on a particular amine comprising primary or secondary amine functions and method for removing acid compounds from a gaseous effluent (2014-09-30),

Title: The Innovations of Julien Grandjean

Introduction

Julien Grandjean is a renowned inventor based in Lyons, France, holding an impressive portfolio of 18 patents. His work primarily focuses on advancements in chemical engineering, specifically in the treatment of gaseous effluents, reflecting his commitment to innovation in environmental technology.

Latest Patents

Among his latest inventions is a method for removing acid compounds from gaseous effluents using a tertiary amine-based absorbent solution. This innovative process involves bringing the gaseous effluent into contact with an absorbent solution that contains water, along with specific weight percentages of pentamethyldipropylenetriamine and N-methyldiethanolamine.

Another significant contribution is related to polyamines, which includes a synthesis method for their selective elimination of hydrogen sulfide (H2S) from gaseous effluents containing carbon dioxide (CO2). These polyamines are crafted through a reaction between piperazine and epihalohydrin or a 1,3-dihalo-2-propanol, showcasing Grandjean's dedication to developing efficient chemical processes.

Career Highlights

Julien Grandjean has built a solid career with notable companies, including Ifp Energies Nouvelles and Arkema France. His experience in these organizations has been instrumental in refining his inventions and realizing their practical applications in industry.

Collaborations

Throughout his career, Julien has collaborated with talented individuals such as Bruno Delfort and Dominique Le Pennec. Their combined expertise has undoubtedly contributed to the successful outcomes of his innovative projects and the advancement of their respective fields.

Conclusion

Julien Grandjean's contributions to the field of environmental technology through his patents underscore his status as a key innovator. His dedication to developing effective solutions for managing gaseous effluents positions him as a significant figure in the ongoing effort to enhance industrial processes while safeguarding the environment.

This text is generated by artificial intelligence and may not be accurate.