Houston, TX, United States of America

John D Ou

This inventor holds 15 USPTO granted patents and 3 published patent applications, primarily in Hydrocarbon Processing. Top assignees: Exxon Chemical Patents, Inc., Exxonmobil Chemical Patents Inc., Exxon Chemical Company. Active years: 1992-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John D Ou. Retrieved from https://idiyas.com/inventor/john-d-ou

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

Calculating rank
USPTO Granted Patents = 15 

% Patents Active = 80.0

Average Co-Inventor Count = 1.8

ph-index = 6

Forward Citations = 191(Granted Patents)


Company Filing History:


Years Active: 1992-2018

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Areas of Expertise:
Xylene Separation
Aromatic Hydrocarbons
Selective Hydrogenation
Styrene Removal
Hydrogen Separation
Lewis Acid Catalysts
Mercury Removal
Hydrocarbon Extraction
Vinyl Acetate Recovery
Sulfur Contaminants
Nitrogenous Components
Organochlorides Removal
15 patents (USPTO):Explore Patents

Title: The Innovative Contributions of John D. Ou

Introduction

John D. Ou is a prominent inventor based in Houston, Texas, known for his significant contributions to the field of chemical engineering. With a total of 15 patents to his name, he has made remarkable advancements in processes related to the separation and conversion of chemical compounds.

Latest Patents

Among his latest patents is the "Xylene Separation Process," which describes a method for separating paraxylene from a multicomponent fluid mixture of C8 aromatics. This innovative process utilizes a simulated moving-bed adsorptive apparatus, where the feed location is adjusted at set intervals, and the flow rate is varied to enhance the separation efficiency. Another notable patent is the "Process for Converting Oxygenates to Aromatic Hydrocarbons." This invention outlines a catalytic process that converts oxygenates into hydrocarbon products with a higher content of aromatic compounds. The process involves providing a mixture with at least 10% oxygenates, contacting it with a catalyst, and separating various streams from the product.

Career Highlights

John D. Ou has worked with notable companies such as Exxon Chemical Patents, Inc. and ExxonMobil Chemical Patents Inc. His experience in these organizations has contributed to his expertise in chemical processes and patent development.

Collaborations

Throughout his career, John has collaborated with talented individuals, including Jeevan Sahib Abichandani and Daniel D. Rosenfeld. These collaborations have fostered innovation and the development of new technologies in the chemical engineering sector.

Conclusion

John D. Ou's contributions to the field of chemical engineering through his patents and collaborations highlight his role as a leading inventor. His innovative processes continue to impact the industry positively.

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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