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For the Inventor, By the Inventor

Arlington Heights, IL, United States of America

Dennis E O'Brien

USPTO Granted Patents = 18

Average Co-Inventor Count = 1.7

ph-index = 12

Forward Citations = 269(Granted Patents)


Company Filing History:

goldMedal18 out of 5,540 
 
Uop Lcc
 patents

Years Active: 1981-2010

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18 patents (USPTO):Explore Patents
1. 7687677 - Process for recovering thermal energy from a reactor effluent stream (2010-03-30),
2. 7528290 - [object Object] (2009-05-05),
3. 7339088 - Alkylbenzene refining process and apparatus (2008-03-04),
4. 7267746 - Dividing wall distillation column control apparatus (2007-09-11),
5. 6762334 - Alkylaromatic process with removal of aromatic byproducts using efficient distillation (2004-07-13),
6. 6483002 - Integrated fractional distillation for adsorptive separation process (2002-11-19),
7. 6479720 - Alkylaromatic process using efficient prefractionation (2002-11-12),
8. 6417420 - Alkylaromatic process with removal of aromatic byproducts using efficient distillation (2002-07-09),
9. 6407303 - Isomerization process with adsorptive separation and integrated fractional distillation (2002-06-18),
10. 6137021 - Conversion of an HF alkylation unit (2000-10-24),
11. 6069285 - Alkylaromatic process using a solid alkylation catalyst and a benzene (2000-05-30),
12. 5983476 - Conversion of an HF alkylation unit (1999-11-16),
13. 4384793 - Temperature profile monitoring method and apparatus (1983-05-24),
14. 4381418 - Catalytic dehydrogenation process (1983-04-26),
15. 4381417 - Catalytic dehydrogenation process (1983-04-26),

Title: Innovations of Dennis E O'Brien

Introduction

Dennis E O'Brien is a notable inventor based in Arlington Heights, IL (US), recognized for his significant contributions to the field of chemical engineering. With a total of 18 patents to his name, O'Brien has made substantial advancements in processes related to thermal energy recovery and hydrocarbon separation.

Latest Patents

One of O'Brien's latest patents is a process for recovering thermal energy from a reactor effluent stream. This innovative processing scheme enhances olefin production by recovering thermal energy from the effluent stream resulting from the dehydrogenation of hydrocarbons. The process involves contacting the reactor effluent with a circulating fluid stream in a cooling zone, producing a product stream and a heated circulating fluid stream. Thermal energy is then recovered via indirect heat exchange, forming a cooled circulating fluid stream that can be reused in the process.

Another significant patent involves recovering 1-butene from a feed stream comprising n-butane, isobutane, and butene isomers using a divided wall distillation column. This process introduces the feed stream into a distillation column, which is divided into two sides by a center wall. The method allows for the efficient separation of isobutane, 1-butene, and a combination of 2-butene and n-butane streams.

Career Highlights

Dennis E O'Brien is currently employed at UOP LLC, a company known for its innovative technologies in the refining and petrochemical industries. His work at UOP has allowed him to develop and patent processes that significantly improve efficiency and productivity in chemical production.

Collaborations

O'Brien has collaborated with notable colleagues such as Douglas George Stewart and Steven F Eshelman, contributing to the advancement of technologies in their field.

Conclusion

Dennis E O'Brien's innovative work and numerous patents reflect his expertise and commitment to advancing chemical engineering processes. His contributions continue to impact the industry positively, showcasing the importance of innovation in technology.

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