Company Filing History:

6 out of 460

Rhodia Chimie

Faurecia Systemes D'echappement

5. 1 out of 832,718

Other

patents

where one patent can have more than one assignee

Years Active: 1996-2005

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6852666 - Purifying composition with NOx treatment and internal combustion engine exhaust gases (2005-02-08),

2. 6767526 - Method for treating by combustion carbon-containing particles in an internal combustion engine exhaust circuit (2004-07-27),

3. 6548032 - Process for the treatment of gases with high oxygen content, with a view to controlling nitrogen oxide emissions, using a catalytic composition comprising cerium oxide and/or zirconium oxide (2003-04-15),

4. 6475452 - Composition based on manganese and use for trapping NOx for treating exhaust gases (2002-11-05),

5. 6464953 - LaMO3 type composition, M being aluminium, gallium or indium, in powder or sintered form, method of preparation and use as conductor of oxygen (2002-10-15),

6. 6358880 - Support composition based on a cerium oxide, a zirconium oxide and a scandium or rare earth oxide and use for treating exhaust gas (2002-03-19),

7. 6294011 - Titanium, cerium and alkaline or earth-alkaline based compound, preparation methods and use as colouring pigment (2001-09-25),

8. 5876681 - Spinel-based catalysts for reducing exhaust emissions of NO.sub.x (1999-03-02),

9. 5736114 - Spinel-based catalysts for reducing exhaust emissions of NO.sub.x (1998-04-07),

10. 5688316 - Pigmented substrates comprising terbium compound colorants (1997-11-18),

11. 5560772 - Yellow/orange pigments comprising zirconium oxide and cerium, (1996-10-01),

Title: The Innovative Contributions of Thierry Seguelong

Introduction

Thierry Seguelong is a notable inventor based in Puteaux, France, recognized for his significant contributions to the field of internal combustion engine technology. With a total of 11 patents to his name, Seguelong has developed innovative solutions aimed at improving the efficiency and environmental impact of combustion processes.

Latest Patents

Among his latest patents is a purifying composition designed for NOx treatment and internal combustion engine exhaust gases. This composition effectively purifies exhaust gases from internal combustion engines that operate on lean air-fuel ratios. It includes elements that adsorb nitrogen oxides (NOx) present in the exhaust gases, releasing the adsorbed NO when the oxygen concentration decreases. The NOx adsorbing element comprises a first composition with a support and an active phase based on manganese, combined with another element selected from alkalines and alkaline-earths. Additionally, a second composition also based on manganese and another element from the same categories is included, which has a specific surface area of at least 80 m²/g after calcination at 800°C. Furthermore, a reducing and/or three-way catalyst function is integrated into the NOx adsorbing element. Another significant patent involves a method for treating carbon-containing particles in an internal combustion engine exhaust circuit through combustion, utilizing a gas mixture that includes nitrogen dioxide generated within the exhaust circuit.

Career Highlights

Seguelong has had a distinguished career, working with prominent companies such as Rhodia Chimie and Rhône-Poulenc Chimie. His experience in these organizations has contributed to his expertise in chemical processes and environmental technologies.

Collaborations

Throughout his career, Seguelong has collaborated with notable colleagues, including Catherine Hedouin and Philippe Barthe. These partnerships have likely fostered innovation and the exchange of ideas in their respective fields.

Conclusion

Thierry Seguelong's work exemplifies the spirit of innovation in the realm of environmental technology and internal combustion engines. His patents reflect a commitment to enhancing efficiency and reducing emissions, making a significant impact on the industry.

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