Akron, OH, United States of America

Pyong-Nae Son

This inventor holds 21 USPTO granted patents, primarily in Polymer Chemistry. Top assignees: The B. F. Goodrich Company, E.i. Dupont De Nemours and Company. Active years: 1976-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Pyong-Nae Son. Retrieved from https://idiyas.com/inventor/pyong-nae-son

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 = 1.9

ph-index = 6

Forward Citations = 95(Granted Patents)


Company Filing History:


Years Active: 1976-1993

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Areas of Expertise:
Alkylated Polyamines
Polyolefins
UV Stabilizers
Antioxidants
Oligomers
Piperidine Derivatives
Triazine Rings
Phenylphosphonites
Cycloalkylthio Compounds
Diazacycloalkanes
Stabilizer Systems
Gamma-Irradiated Polypropylene
21 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Pyong-Nae Son

Introduction

Pyong-Nae Son, an accomplished inventor based in Akron, OH, holds an impressive 21 patents. His work primarily focuses on advancements in chemical processes and stabilization methods within the domain of polyolefins.

Latest Patents

One of his latest inventions is a process for making alkylated polyalkylenepolyamines, which details a method for selectively reductively alkylating a branched chain polyalkylene polyamine (PAPA) that contains hindered primary amine groups. This innovative process utilizes hydrogen and a ketone in the presence of a Group VIII metal catalyst, allowing for a selective reaction that preserves important chemical properties.

Another significant patent involves a multi-component stabilizer system for polyolefins that are pigmented with azo pigments. This system combines two primary stabilizers that maintain excellent color stability and fiber integrity under high temperatures and bright sunlight. The stabilizers used are a hindered amine light stabilizer and a disubstituted-tert-butyl-4-hydroxybenzoate, ensuring that the polyolefin articles maintain their color and resistance to degradation over an extended period, equivalent to normal outdoor use for over ten years.

Career Highlights

Throughout his career, Pyong-Nae Son has made substantial contributions to the field while working for notable companies such as The B.F. Goodrich Company and E.I. DuPont de Nemours and Company. His involvement with these organizations has allowed him to explore various chemical innovations that have applications across various industries.

Collaborations

In his pursuit of innovation, Pyong-Nae Son has collaborated with several professionals, including John T. Lai and George Kletecka. These partnerships have led to the development of novel technologies and have helped to enhance the effectiveness of the projects in which he has been involved.

Conclusion

Pyong-Nae Son's contributions to the realm of chemical engineering and stabilization processes are underscored by his numerous patents and collaborative efforts. His commitment to advancing technology continues to make a significant impact on various applications, ensuring that his work remains relevant and influential in the industry.

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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