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For the Inventor, By the Inventor

Yorba Linda, CA, United States of America

Dennis P McArthur

This inventor holds 17 USPTO granted patents. Top assignee: Union Oil Company of California. Active years: 1976-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dennis P McArthur. Retrieved from https://idiyas.com/inventor/dennis-p-mcarthur

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

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 10

Forward Citations = 225(Granted Patents)


Company Filing History:

goldMedal17 out of 1,113 
 
Union Oil Company of California
 patents

Years Active: 1976-1984

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17 patents (USPTO):Explore Patents
1. 4431526 - Multiple-stage hydroprocessing of hydrocarbon oil (1984-02-14),
2. 4366083 - Process for reducing CO and SO.sub.x emissions from catalytic cracking (1982-12-28),
3. 4341661 - Catalysts for reducing CO and SO.sub.x emissions from catalytic cracking (1982-07-27),
4. 4311581 - Process for reducing CO and SO.sub.x emissions from catalytic cracking (1982-01-19),
5. 4289608 - Process for catalytically cracking metals-containing hydrocarbon (1981-09-15),
6. 4259175 - Process for reducing sox emissions from catalytic cracking units (1981-03-31),
7. 4191664 - Thermally stable nickel-alumina catalysts useful for methanation and (1980-03-04),
8. 4091072 - Exhaust gas conversion process and catalyst (1978-05-23),
9. 4064152 - Thermally stable nickel-alumina catalysts useful for methanation (1977-12-20),
10. 4053434 - Exhaust gas conversion catalyst (1977-10-11),
11. 4042532 - Thermally stable nickel-alumina catalysts useful for methanation and (1977-08-16),
12. 4039471 - Process for rejuvenating automobile emission control catalysts (1977-08-02),
13. 4034061 - Aluminum borate catalyst compositions and use thereof in chemical (1977-07-05),
14. 4024171 - Aluminum borate catalyst compositions and use thereof in chemical (1977-05-17),
15. 3998930 - Iridium-nickel exhaust gas conversion catalyst and process (1976-12-21),

Title: Innovator Dennis P. McArthur: Pioneering Hydroprocessing and Emission Reduction Techniques

Introduction

Dennis P. McArthur, based in Yorba Linda, California, is a distinguished inventor holding 17 patents. His innovative contributions primarily focus on advancements in hydroprocessing techniques and the reduction of harmful emissions in catalytic processes.

Latest Patents

Two of his latest patents showcase his significant impact in the field. The first patent details a method for **multiple-stage hydroprocessing of hydrocarbon oil**, which involves utilizing two different hydroprocessing catalysts in distinct reaction zones. This technique emphasizes optimizing pore size distributions to enhance catalytic efficiency.

The second patent addresses a **process for reducing CO and SO.sub.x emissions from catalytic cracking**. By introducing bastnaesite particles into cyclical fluidized catalytic cracking units, McArthur's innovation effectively lowers SO.sub.x content in flue gases and reduces CO emissions, demonstrating an environmentally conscious approach to hydrocarbon conversion processes.

Career Highlights

Dennis McArthur’s ongoing association with Union Oil Company of California highlights his role as an influential figure in the petroleum industry. His innovative methodologies have not only enhanced operational efficiencies but have also contributed to environmental sustainability efforts in hydrocarbon processing.

Collaborations

Throughout his career, McArthur has collaborated with notable peers, including Kenneth J. Baron and Howard D. Simpson. These collaborations have fostered a creative environment conducive to developing groundbreaking solutions in hydroprocessing and emission reduction technologies.

Conclusion

Dennis P. McArthur’s impressive portfolio of patents and his dedication to innovation underscore his status as a leading inventor in hydroprocessing technologies. His contributions not only advance industrial capabilities but also align with global efforts toward sustainability. As he continues to work with Union Oil Company of California, his future endeavors are anticipated to further enhance the sector.

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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