Baton Rouge, LA, United States of America

Chi Hung Cheng

This inventor holds 16 USPTO granted patents and 4 published patent applications and 3 EPO patents, primarily in Chemical Engineering. Top assignee: Albemarle Corporation. Active years: 1998-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chi Hung Cheng. Retrieved from https://idiyas.com/inventor/chi-hung-cheng

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

Calculating rank

USPTO Granted Patents = 16 (Patent Applications = 4)

% Patents Active = 81.3

EPO Patents = 3 (Patent Applications = 2)

Average Co-Inventor Count = 2.5

ph-index = 5

Forward Citations = 78(Granted Patents)

Company Filing History:

16 out of 548

Albemarle Corporation

patents

Years Active: 1998-2025

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Areas of Expertise:

Boron Extraction

Lithium Recovery

Polymer Bromination

Hydroxyphenylcarboxylic Acids

Halide Reduction

Alkanediol Purification

Olefin Epoxidation

Fluoroaromatic Carboxylates

Organic Disulfides

Halogen Exchange

Corrosion Inhibition

Ammonium Chloride Separation

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12421123 - Methods for extracting boron from an organic solution (2025-09-23),

2. 10648061 - Processes for recovering lithium values from lithium-containing brines (2020-05-12),

3. 8802787 - Bromination of low molecular weight aromatic polymer compositions (2014-08-12),

4. 7988884 - Preparation of sterically hindered hydroxyphenylcarboxylic acid esters (2011-08-02),

5. 7871547 - Halide reduction in dihydrocarbylmagnesium mixtures (2011-01-18),

6. 7667066 - Preparation of sterically hindered hydroxyphenylcarboxylic acid esters (2010-02-23),

7. 6528665 - Preventing undesired odor in and/or purifying alkanediols (2003-03-04),

8. 6525208 - Epoxidation of olefins (2003-02-25),

9. 6365773 - Process for producing fluoroaromatic carboxylates (2002-04-02),

10. 6235941 - Process for production of organic disulfides (2001-05-22),

11. 6215032 - Catalyst recovery for halogen exchange reactions (2001-04-10),

12. 5955630 - Recovery of N-hydrocarbylthiophosphoric triamides and (1999-09-21),

13. 5883297 - Preparation and recovery of N-hydrocarbylthiophosphoric triamides or (1999-03-16),

14. 5872293 - Separating ammonium chloride from N-hydrocarbylphosphoric triamide or (1999-02-16),

15. 5871667 - Inhibiting ferrous metal corrosion by aqueous ammoniate solutions (1999-02-16),

Title: Innovations of Chi Hung Cheng

Introduction

Chi Hung Cheng is a prominent inventor based in Baton Rouge, Louisiana. He holds an impressive portfolio of 16 patents, showcasing his contributions to the field of chemical engineering and materials science. His work primarily focuses on methods for extracting valuable resources from various solutions.

Latest Patents

One of his latest patents is titled "Methods for extracting boron from an organic solution." This patent describes innovative methods that involve combining an alcohol, an organic solvent, and boron with an aqueous solution containing alkali hydroxide. This process results in the formation of both an organic layer and an aqueous layer, allowing for the separation of the aqueous layer from the organic layer.

Another significant patent is "Processes for recovering lithium values from lithium-containing brines." This invention outlines a method for producing high-purity lithium solutions from sources containing dissolved sodium, calcium, and magnesium. The process includes passing the lithium source through a bed of sorbent composed of hydrated alumina intercalated with lithium chloride. This method effectively extracts lithium and enhances its concentration and purity through subsequent washing and nanofiltration steps.

Career Highlights

Chi Hung Cheng is currently associated with Albemarle Corporation, a leading company in specialty chemicals. His work at Albemarle has allowed him to focus on innovative solutions for resource extraction and processing, contributing to advancements in the industry.

Collaborations

Throughout his career, Cheng has collaborated with notable colleagues, including Gerald M. Sulzer and W. Dirk Klobucar. These collaborations have fostered a productive environment for innovation and have led to significant advancements in their respective fields.

Conclusion

Chi Hung Cheng's contributions to the field of chemical engineering are noteworthy, particularly in the areas of resource extraction and processing. His patents reflect a commitment to innovation and the development of efficient methods for utilizing valuable materials.

Profile summary based on public USPTO records.