Houston, TX, United States of America

Howard C Welborn, Jr

This inventor holds 26 USPTO granted patents, primarily in Polyolefin Polymerization. Top assignees: Exxon Chemical Patents, Inc., Exxon Research and Engineering Company, Other. Active years: 1985-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Howard C Welborn, Jr. Retrieved from https://idiyas.com/inventor/howard-c-welborn-jr

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 22

Forward Citations = 3,382(Granted Patents)


Company Filing History:


Years Active: 1985-1997

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Areas of Expertise:
Catalyst Compounds
Polyolefin Density
Molecular Weight Control
Silicon-Bridged Compounds
Ethylene Alpha-Olefin
Copolymers
Supported Catalysts
Polymerization Process
Reactor Blend Polyolefins
Alumoxanes
Metallocene
Hydrocarbyl Aluminum
26 patents (USPTO):Explore Patents

Title: Howard C. Welborn, Jr.: Pioneering Innovations in Olefin Polymerization

Introduction

Howard C. Welborn, Jr., a prominent inventor based in Houston, TX, has made significant contributions to the field of polymer chemistry. With an impressive portfolio of 26 patents, his work primarily focuses on catalyst compounds for olefin polymerization. His innovative approaches have revolutionized the methods used to control polyolefin density and molecular weight.

Latest Patents

Among his latest innovations, Welborn has developed catalyst compounds that serve as effective components for olefin polymerization. These compounds comprise derivatives of cyclopentadienyl complexes associated with Zirconium (ZR) or Hafnium (HF). Furthermore, his research on processes and catalysts for polyolefin density and molecular weight control features derivatives of mono, bi, and tricyclopentadienyl coordination complexes with a transition metal, in combination with an alumoxane, demonstrating his expertise in the field.

Career Highlights

Welborn has an extensive career featuring key roles at notable companies such as Exxon Chemical Patents, Inc. and Exxon Research and Engineering Company. His work at these organizations not only showcases his capability as an inventor but also his commitment to advancing polymer science through innovative solutions.

Collaborations

Throughout his career, Welborn has collaborated with distinguished scientists and inventors, including John A. Ewen and Won R. Song. These partnerships have fostered a collaborative environment that has led to groundbreaking developments in catalysis and polymer chemistry.

Conclusion

Howard C. Welborn, Jr.'s inventive spirit and dedication to research have significantly impacted the field of polymerization. His continued efforts in developing advanced catalyst compounds underline his status as a leading figure in innovation, making him a key contributor to the scientific community.

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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