Novato, CA, United States of America

Bong-Kyu Chang

This inventor holds 23 USPTO granted patents and 7 published patent applications, plus 5 CIPO patents and 4 EPO patents, primarily in Ionic Liquid Alkylation. Top assignees: Chevron U.s.a. Inc., Chevron Oronite Company LLC, Uop Lcc. Active years: 2010-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Bong-Kyu Chang. Retrieved from https://idiyas.com/inventor/bong-kyu-chang

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

USPTO Granted Patents = 23 

% Patents Active = 91.3

 

 

Average Co-Inventor Count = 3.7

ph-index = 4

Forward Citations = 67(Granted Patents)


Location History:

  • San Rafael, CA (US) (2010 - 2012)
  • Albany, CA (US) (2023)
  • Novato, CA (US) (2011 - 2024)

Company Filing History:


Years Active: 2010-2025

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Areas of Expertise:
Ionic Liquid
Alkylation
Ethylene Oligomerization
Catalyst Regeneration
Hydrocarbon Conversion
Natural Gas Upgrading
Hydrogen Recycle
Gasoline Production
Bio-Ethylene
Conjunct Polymer Prediction
Liquid-Liquid Separation
Reaction Heat Removal
23 patents (USPTO):Explore Patents

Title: Innovations in Alkylation Processes: The Contributions of Bong-Kyu Chang

Introduction

Bong-Kyu Chang, a notable inventor based in Novato, California, has made significant contributions to the field of chemical engineering, particularly in the area of alkylation processes. With an impressive portfolio of 22 patents, Chang's work has helped advance the production of high-octane alkylates, crucial for the fuel industry.

Latest Patents

Chang's latest inventions include two groundbreaking patents that focus on the use of ionic liquid catalysts in alkylation processes. The first patent outlines a process for producing high octane alkylate through the reaction of isobutane and ethylene using an ionic liquid catalyst. This innovative approach allows for the optimization of reaction conditions to enhance desirable alkylate yields and properties. The second patent presents a similar methodology, but with an eco-friendly twist: it involves the use of bio-ethylene instead of conventional ethylene, thereby promoting the production of high-octane bio-based alkylates.

Career Highlights

Throughout his career, Bong-Kyu Chang has held significant positions at renowned companies in the energy sector. He worked at Chevron U.S.A. Inc. and Chevron Oronite Company LLC, where he applied his expertise in chemistry and engineering to develop innovative solutions, particularly in fuel technology.

Collaborations

Chang's work is marked by notable collaborations with esteemed colleagues in the field. He has worked alongside Huping Luo and Hye-Kyung Cho at Timken, fostering an environment of innovation and teamwork. These collaborations have been instrumental in pushing the boundaries of research in alkylation processes.

Conclusion

Bong-Kyu Chang's contributions to the field of chemical engineering through his innovative patent applications have had a profound impact on the fuel industry. His dedication to advancing alkylation technologies demonstrates his commitment to enhancing fuel quality and promoting sustainable practices. As he continues to innovate, his work will likely inspire future advancements in chemical processes and sustainable energy solutions.

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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