Company Filing History:

27 out of 2,424

Institut Francais Du Pe'trole

3 out of 832,843

Other

patents

where one patent can have more than one assignee

Years Active: 1981-2012

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27 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8092681 - Method and device for separating constituents of a liquid feed by liquid-liquid centrifugal chromatography (2012-01-10),

2. 7553421 - Method for optimally sizing cells of a centrifugal partition chromatography device (2009-06-30),

3. 7422685 - Method and device for separating constituents of a liquid charge by means of liquid-liquid centrifuge chromatography (2008-09-09),

4. 7141530 - Catalyst support with intersecting channel network, catalysis reactor comprising same and method for making same (2006-11-28),

5. 7048512 - Method and system intended for fine proportioning of fluids injected into a pumping installation with check valve proportioning compensation (2006-05-23),

6. 5965481 - Process for preparing a catalyst suitable for the treatment of exhaust (1999-10-12),

7. 5801114 - Catalysts selective for the reduction of nitrogen oxides to nitrogen in (1998-09-01),

8. 5736482 - Catalysts for reducing nitrogen oxides to molecular nitrogen in a (1998-04-07),

9. 5723403 - Production process for catalysts on supports including a centrifuging (1998-03-03),

10. 5670437 - Method of preparation of a hydrogenation catalyst soluble in an organic (1997-09-23),

11. 5643543 - Catalyst for treatment of exhaust gases from an internal combustion (1997-07-01),

12. 5413984 - Method for preparing multi-metal catalysts (1995-05-09),

13. 5386696 - Exhaust manifold with catalytic wall for internal-combustion engines (1995-02-07),

14. 5108978 - Multifunctional catalysts containing cerium, uranium and at least one (1992-04-28),

15. 5093102 - Process for the production of high purity hydrogen by catalytic (1992-03-03),

Title: **Daniel Durand: Innovator in Liquid-Liquid Centrifugal Chromatography**

Introduction

Daniel Durand is a prominent inventor based in Rueil Malmaison, France, known for his significant contributions to the field of chromatography. With an impressive portfolio of 27 patents, he has developed innovative methods and devices that enhance the efficiency and effectiveness of liquid separation processes.

Latest Patents

Among his latest inventions, Daniel Durand has patented a "Method and device for separating constituents of a liquid feed by liquid-liquid centrifugal chromatography." This invention outlines a procedure where constituents with varying partition coefficients are separated through a specialized chromatography device. The method facilitates continuous injection of liquid feed into a separation column and employs alternating injection stages using light and heavy solvents, ultimately collecting the separated constituents efficiently.

Another significant patent from Durand is the "Method for optimally sizing cells of a centrifugal partition chromatography device." This innovation involves the design of cells within a centrifugal liquid-liquid chromatography column, where stacked discs form interconnected cells. By creating a high centrifugal acceleration field, the device maintains a stationary phase while allowing mobile phase circulation, thus leading to higher separation efficiency. This patent emphasizes the importance of cell dimensions in maintaining optimal performance, particularly when scaling device sizes.

Career Highlights

Throughout his career, Daniel Durand has collaborated with esteemed organizations, including the Institut Français du Pétrole. His dedication to advancing chromatography technology has established him as a key figure in the industry. He has focused his research on optimizing the design and functionality of chromatography devices for both analytical and preparative applications.

Collaborations

In his professional journey, Durand has teamed up with talented individuals such as Philippe Courty and Gil Mabilon. These collaborations have contributed to the refinement of his inventions, driving innovative solutions in the field of liquid-liquid separation processes.

Conclusion

Daniel Durand stands out as a remarkable inventor whose work in liquid-liquid centrifugal chromatography has pushed the boundaries of separation technology. His patents reflect a commitment to innovation, enhancing the efficiency of chromatography devices and paving the way for future advancements in the industry.

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