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For the Inventor, By the Inventor

Oklahoma City, OK, United States of America

Donald E Rhodes

USPTO Granted Patents = 12

Average Co-Inventor Count = 1.5

ph-index = 6

Forward Citations = 74(Granted Patents)


Location History:

  • Oklahoma, OK (US) (1983)
  • Oklahoma City, OK (US) (1979 - 1988)

Company Filing History:

goldMedal11 out of 85 
 
Kerr-mcgee Corporation
 patents
silverMedal1 out of 141 
 
Kerr-mcgee Chemical, LLC
 patents

Years Active: 1979-1988

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12 patents (USPTO):Explore Patents
1. 4740294 - Method for sequentially co-processing heavy hydrocarbon and carbonaceous (1988-04-26),
2. 4664788 - Multi-stage coal liquefaction and fractionation method (1987-05-12),
3. 4629554 - Coal liquefaction with coal tar solvent (1986-12-16),
4. 4415442 - Process for the separation of entrained organic fluids from gaseous (1983-11-15),
5. 4248692 - Process for the discharge of ash concentrate from a coal deashing system (1981-02-03),
6. 4227994 - Operation of a coal deashing process (1980-10-14),
7. 4225420 - Process for improving soluble coal yield in a coal deashing process (1980-09-30),
8. 4177135 - Use of specific coal components to improve soluble coal product yield in (1979-12-04),
9. 4177134 - Separation technique in a coal deashing process (1979-12-04),
10. 4164466 - Method of improving yield in a coal liquefaction product deashing process (1979-08-14),
11. 4162956 - Coal deashing process having improved solvent recovery techniques (1979-07-31),
12. 4153538 - Use of deashed coal as a flushing agent in a coal deashing process (1979-05-08),

Title: The Innovative Contributions of Donald E. Rhodes

Introduction

Donald E. Rhodes is a notable inventor based in Oklahoma City, OK, with a remarkable portfolio of 12 patents. His work primarily focuses on advancements in hydrocarbon processing and coal liquefaction methods. Rhodes has made significant contributions to the field, showcasing his expertise and innovative thinking.

Latest Patents

Among his latest patents is a method for sequentially co-processing heavy hydrocarbon and carbonaceous materials. This method involves initially subjecting heavy hydrocarbon material to a disposable metal catalyst, resulting in the production of a first distillate stream and a first non-distillable effluent stream. The non-distillable effluent stream is then mixed with carbonaceous material and subjected to liquefaction conditions, ultimately leading to the recovery of various hydrocarbon products through sequential fractionation and critical solvent extraction processing steps. Another significant patent is the multi-stage coal liquefaction method, where coal is slurried with a primary light solvent and treated under liquefying conditions. This process results in a first feed solution containing coal liquefaction products, which undergoes a multi-stage supercritical solvent extraction procedure to enhance product recovery.

Career Highlights

Throughout his career, Donald E. Rhodes has worked with prominent companies such as Kerr-McGee Corporation and Kerr-McGee Chemical, LLC. His experience in these organizations has allowed him to develop and refine his innovative methods in hydrocarbon processing and coal liquefaction.

Collaborations

Rhodes has collaborated with notable individuals in his field, including Roger A. Baldwin and Robert E. Davis. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Donald E. Rhodes stands out as a significant figure in the field of hydrocarbon processing and coal liquefaction. His innovative patents and career achievements reflect his dedication to advancing technology in these areas.

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