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For the Inventor, By the Inventor

Wilmington, DE, United States of America

Steven Henry Swearingen

This inventor holds 23 USPTO granted patents and 2 published patent applications and 3 EPO patents, primarily in Fluorinated Compounds. Top assignees: E.i. Dupont De Nemours and Company, Daikin Industries, Ltd., Degussa Aktiengesellschaft. Active years: 1991-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Steven Henry Swearingen. Retrieved from https://idiyas.com/inventor/steven-henry-swearingen

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

USPTO Granted Patents = 23 

% Patents Active = 82.6

 

Average Co-Inventor Count = 3.4

ph-index = 7

Forward Citations = 198(Granted Patents)


Company Filing History:

goldMedal21 out of 16,339 
 
E.i. Dupont De Nemours and Company
 patents
silverMedal2 out of 4,492 
 
Daikin Industries, Ltd.
 patents
bronzeMedal2 out of 1,694 
 
Degussa Aktiengesellschaft
 patents
where one patent can have more than one assignee

Years Active: 1991-2018

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Areas of Expertise:
Fluorocarboxylic Acids
Fluorosurfactant Removal
Lignocellulosic Biomass
Hydrofluorocarbons
Hexafluoropropylene
Aqueous Dispersions
Ion Exchange Resin
Chlorodifluoromethane
23 patents (USPTO):Explore Patents
1. 9873846 - Fuel compositions containing lignocellulosic biomass fermentation process syrup (2018-01-23),
2. 7671111 - Monitoring column breakthrough in a process for removing fluorosurfactant from aqueous fluoropolymer dispersions (2010-03-02),
3. 7659329 - Removing fluorosurfactant from aqueous fluoropolymer dispersions using monodisperse ion exchange resin (2010-02-09),
4. 7253315 - Process for preparing fluorocarboxylic acids (2007-08-07),
5. 7126016 - Process for preparing fluorocarboxylic acids (2006-10-24),
6. 6762333 - Process for reducing the fluorine content of hydrofluorocarbons and hydrohalofluorocarbons (2004-07-13),
7. 6677493 - Processes for the purification and use of 2-chloro-1,1,1,2,3,3,3-heptafluoropropane and zeotropes thereof with HF (2004-01-13),
8. 6664400 - N-arylsulfonamide and pyrrolidinecarboxylic acid intermediates, and their use for the preparation of herbicidal 1,3-dioxo-1h-pyrrolo[1,2-c]imidazole derivatives (2003-12-16),
9. 6548720 - Process for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereof (2003-04-15),
10. 6384234 - N-arylsulfonamide- and pyrrolidinecarboxylic acid intermediates, and their use for the preparation of herbicidal 1,3-dioxo-1h-pyrrolo[1,2-c]imidazole derivatives (2002-05-07),
11. 6211135 - Processes for the purification and use of 2,2-dichloro-1,1,1,3,3,3-hexafluoropropane and azeotropes thereof with HF (2001-04-03),
12. 5910615 - Producing CF.sub.3 CH.sub.2 CF.sub.3 and/or CF.sub.3 CH=CF.sub.2 by the (1999-06-08),
13. 5763698 - Process for reducing the fluorine content of hydrofluorocarbons and (1998-06-09),
14. 5594159 - Producing CF.sub.3 CH.sub.2 CF.sub.3 and/or CF.sub.3 CH.dbd.CF.sub.2 by (1997-01-14),
15. 5523498 - Process for reducing the fluorine content of hydrofluorocarbons and (1996-06-04),

Title: **Innovations and Impact of Steven Henry Swearingen**

Introduction

Steven Henry Swearingen, based in Wilmington, Delaware, is an accomplished inventor with a remarkable portfolio of 23 patents. His innovations primarily focus on advancing fuel compositions and the improvement of chemical processes, impacting various industrial applications.

Latest Patents

Among his latest contributions, Swearingen has developed a method for producing solid lignocellulosic fuel compositions by combining syrup co-products from lignocellulosic biomass fermentation with additional fuel components. This innovation takes advantage of syrup as an effective binder for powdery fuel materials that are not easily managed. The fuel compositions can be further processed into briquettes and pellets, enhancing their usability for energy production.

Another notable patent involves a process for removing fluorosurfactants from aqueous fluoropolymer dispersions. This involves passing the dispersion through a fixed bed of anion exchange resin to minimize fluorosurfactant content effectively. The process is monitored by tracking properties such as pH and conductivity to detect the saturation of the resin's working zone, ensuring optimal performance in the removal process.

Career Highlights

Steven has had a notable career working with leading companies in the industry. He has been associated with E.I. du Pont de Nemours and Company and Daikin Industries, Ltd., where he has contributed significantly to research and development efforts. His extensive experience has enabled him to refine his innovations and understand the intricate needs of the market.

Collaborations

Throughout his career, Swearingen has worked alongside talented professionals, including coworkers William H. Manogue and Leo E. Manzer. Their teamwork has undoubtedly contributed to the success of the various projects undertaken, showcasing the importance of collaboration in the innovation process.

Conclusion

Steven Henry Swearingen's contributions to the field of chemistry and energy through his patents reflect his dedication to innovation. His work not only addresses current industrial challenges but also sets a foundation for future advancements in fuel compositions and eco-friendly processes. As global industries move towards sustainability, inventors like Swearingen play a crucial role in shaping more efficient and environmentally conscious solutions.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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