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For the Inventor, By the Inventor

Baton Rouge, LA, United States of America

Howard L Mitchell, Iii

USPTO Granted Patents = 15

Average Co-Inventor Count = 1.5

ph-index = 11

Forward Citations = 401(Granted Patents)


Location History:

  • Baton Rouge, LA (US) (1976 - 1985)
  • Metairie, LA (US) (1985)

Company Filing History:

goldMedal15 out of 4,227 
 
Exxon Research and Engineering Company
 patents

Years Active: 1976-1985

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15 patents (USPTO):Explore Patents
1. 4542121 - Catalysts from molybdenum polysulfide precursors, their preparation and (1985-09-17),
2. 4540481 - Catalysts from molybdenum polysulfide precursors, their preparation and (1985-09-10),
3. 4522932 - Phosphine and phosphonium compounds and catalysts (1985-06-11),
4. 4473505 - Phosphine and phosphonium compounds and catalysts (1984-09-25),
5. 4440634 - Organic salt compositions in extraction processes (1984-04-03),
6. 4430442 - Catalysts from molybdenum polysulfide precursors and their preparation (1984-02-07),
7. 4422975 - Organic salt compositions in extraction processes (1983-12-27),
8. 4359596 - Liquid salt extraction of aromatics from process feed streams (1982-11-16),
9. 4239658 - Catalysts for the conversion of relatively low molecular weight (1980-12-16),
10. 4205194 - Process for the conversion of relatively low molecular weight (1980-05-27),
11. 4172810 - Catalysts for the conversion of relatively low molecular weight (1979-10-30),
12. 4012337 - High surface area alpha aluminas (1977-03-15),
13. 3969221 - Iridium-containing catalysts (1976-07-13),
14. 3956107 - Nickel-containing reforming catalyst and process (1976-05-11),
15. 3933622 - Trimetallic hydrocarbon conversion catalyst (1976-01-20),

Title: Innovator Howard L. Mitchell, III: Pioneering Hydrotreating Catalysts

Introduction

Howard L. Mitchell, III, a remarkable inventor based in Baton Rouge, LA, has made significant contributions to the field of chemical engineering, particularly in the development of advanced catalysts. With an impressive portfolio of 15 patents, his work focuses on enhancing hydrotreating processes, which are crucial for refining petroleum products.

Latest Patents

Among his latest patents are "Catalysts from Molybdenum Polysulfide Precursors, Their Preparation" and "A Process for the Preparation of Novel Highly Active, Highly Selective Hydrotreating Catalysts." These innovations detail the preparation of catalysts using a unique precursor characterized by the formula B.sub.x [Mo.sub.3 S.sub.z], enabling the generation of hydrotreating catalysts that exhibit high activity and selectivity. His pioneering method involves dispersing the catalyst precursor in an ammonium sulfide or dilute ammonium polysulfide solution and subsequently heating it to optimize the properties of the final catalyst.

Career Highlights

Howard has established a notable career at Exxon Research and Engineering Company, where he has dedicated himself to research and innovation in catalyst development. His work significantly influences the efficiency and effectiveness of hydrotreating catalysts used in the petroleum industry.

Collaborations

Throughout his career, Howard has collaborated with esteemed colleagues, including Robert H. Waghorne and Willard H. Sawyer. These partnerships have fostered an environment of creativity and shared expertise, helping to drive his innovative work in catalyst technology.

Conclusion

Howard L. Mitchell, III exemplifies the spirit of innovation in the field of chemical engineering. With his significant contributions to catalyst design and development, he continues to play a crucial role in advancing technologies that improve the efficiency of petroleum refining processes. His remarkable work underscores the importance of creativity and collaboration in driving progress in this vital industry.

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