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For the Inventor, By the Inventor

Wheeling, IL, United States of America

Douglas George Stewart

USPTO Granted Patents = 15 

Average Co-Inventor Count = 3.3

ph-index = 6

Forward Citations = 129(Granted Patents)


Company Filing History:

goldMedal15 out of 5,540 
 
Uop Lcc
 patents

Years Active: 2002-2018

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15 patents (USPTO):Explore Patents
1. 10010808 - Process and apparatus for recovering and blending hydroprocessed hydrocarbons and composition (2018-07-03),
2. 9447341 - Process and apparatus for recovering and blending hydroprocessed hydrocarbons and composition (2016-09-20),
3. 8999152 - Process and apparatus for recovering and blending hydroprocessed hydrocarbons and composition (2015-04-07),
4. 8350114 - Separation system and method (2013-01-08),
5. 8273938 - Heavy olefin production process (2012-09-25),
6. 8211312 - Separation system and method (2012-07-03),
7. 8025858 - Apparatus and process for light olefin recovery (2011-09-27),
8. 7960601 - Heavy paraffin adsorption separation process (2011-06-14),
9. 7951341 - Reactor design for smaller batch transfers of catalyst (2011-05-31),
10. 7687677 - Process for recovering thermal energy from a reactor effluent stream (2010-03-30),
11. 7339088 - Alkylbenzene refining process and apparatus (2008-03-04),
12. 7268265 - Apparatus and process for light olefin recovery (2007-09-11),
13. 7267746 - Dividing wall distillation column control apparatus (2007-09-11),
14. 6762334 - Alkylaromatic process with removal of aromatic byproducts using efficient distillation (2004-07-13),
15. 6417420 - Alkylaromatic process with removal of aromatic byproducts using efficient distillation (2002-07-09),

Title: Innovations of Douglas George Stewart

Introduction

Douglas George Stewart is a notable inventor based in Wheeling, Illinois. He has made significant contributions to the field of hydroprocessed hydrocarbons, holding a total of 15 patents. His work focuses on enhancing the efficiency and yield of diesel production through innovative processes and apparatuses.

Latest Patents

One of his latest patents is titled "Process and apparatus for recovering and blending hydroprocessed hydrocarbons and composition." This invention provides a method for blending a heavy naphtha stream with a diesel stream to increase the yield of diesel. The diesel stream is recovered separately from a kerosene stream, ensuring that the kerosene stream remains undiminished. The blended diesel offers a valuable composition that can be utilized in various applications.

Career Highlights

Douglas Stewart has been associated with UOP LLC, where he has applied his expertise in hydroprocessing technologies. His innovative approaches have contributed to advancements in the energy sector, particularly in optimizing fuel production processes.

Collaborations

He has collaborated with notable colleagues, including Dennis E. O'Brien and Stephen W. Sohn, who have also contributed to the field of hydroprocessing and fuel technology.

Conclusion

Douglas George Stewart's work exemplifies the impact of innovation in the energy sector. His patents and collaborations highlight his commitment to advancing hydroprocessing technologies, making significant strides in improving diesel yield and efficiency.

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