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For the Inventor, By the Inventor

Longview, TX, United States of America

Richard Kingsley Stuart, Jr

This inventor holds 22 USPTO granted patents and 1 published patent application and 5 EPO patents, primarily in Polymer Chemistry. Top assignees: Westlake Longview Corporation, Eastman Chemical Company, Eastman-Kodak Company. Active years: 1988-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Richard Kingsley Stuart, Jr. Retrieved from https://idiyas.com/inventor/richard-kingsley-stuart-jr

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

USPTO Granted Patents = 22 

% Patents Active = 95.5

 

Average Co-Inventor Count = 2.5

ph-index = 7

Forward Citations = 181(Granted Patents)


Company Filing History:

goldMedal10 out of 28 
 
Westlake Longview Corporation
 patents
silverMedal8 out of 2,039 
 
Eastman Chemical Company
 patents
bronzeMedal4 out of 21,604 
 
Eastman-Kodak Company
 patents
4. 2 out of 5 
 
Pri Asphalt Technologies, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1988-2026

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Areas of Expertise:
Maleic Anhydride
LLDPE
Polyethylene
Olefins
Asphalt Compositions
Grafted Polyolefins
Elastomeric Terpolymer
Hot-Melt Adhesives
Oxidation Process
Amorphous Polyolefins
Polymerization Process
Films and Articles
22 patents (USPTO):Explore Patents
1. 12534615 - Maleic anhydride grafted LLDPE having high melt index (2026-01-27),
2. 11760869 - Maleic anhydride grafted LLDPE having high melt index (2023-09-19),
3. 10882991 - Maleic anhydride grafted LLDPE having high melt index (2021-01-05),
4. 10738188 - Maleic anhydride grafted LLDPE having high melt index (2020-08-11),
5. 10053574 - Maleic anhydride grafted LLDPE having high melt index (2018-08-21),
6. RE42165 - Modified asphalt compositions (2011-02-21),
7. 7893180 - Process for the polymerization of olefins; novel polyethylenes, and films and articles produced therefrom (2011-02-22),
8. RE41167 - Modified asphalt compositions (2010-03-22),
9. 7652113 - Polyethylene copolymers having low n-hexane extractable (2010-01-26),
10. 7439286 - Modified asphalt compositions (2008-10-21),
11. 7202290 - Modified asphalt compositions (2007-04-10),
12. 7144933 - Modified asphalt compositions (2006-12-05),
13. 6608152 - Process for the polymerization of olefins; novel polyethylenes, and films and articles produced therefrom (2003-08-19),
14. 6291613 - Process for the polymerization of olefins (2001-09-18),
15. 6187870 - Apparatus and process for the production of low molecular weight grafted polyolefins (2001-02-13),

Title: Richard Kingsley Stuart, Jr.: Innovator in Polyethylene Technology

Introduction

Richard Kingsley Stuart, Jr. is a notable inventor based in Longview, TX, recognized for his contributions to the field of polyethylene technology. With an impressive portfolio of 21 patents, Stuart has made significant strides in enhancing the properties and applications of linear low-density polyethylene (LLDPE).

Latest Patents

One of Richard Stuart's latest inventions is the maleic anhydride grafted LLDPE, which boasts a high melt index. This innovative material is disclosed as a grafted combination of linear low-density polyethylene with maleic anhydride (MAH-g-LLDPE). The unique properties of this invention include a low density and a notably high melt index, making it suitable for various applications in the industry.

Career Highlights

Throughout his career, Stuart has worked with prominent companies such as Westlake Longview Corporation and Eastman Chemical Company. His experience in these organizations has allowed him to apply his expertise in polymer science and to further innovate in the field.

Collaborations

Richard has collaborated with talented individuals in his field, including coworkers Randal Ray Ford and Jeffery Lynn Presley. These collaborations have likely contributed to his successful patent filings and advancements in material science.

Conclusion

Richard Kingsley Stuart, Jr. exemplifies the spirit of innovation in the realm of polyethylene technology. His patents reflect a commitment to improving material properties, and his collaborative efforts with industry professionals underscore the importance of teamwork in driving advancements. As an inventor, included in his professional legacy is the influence he has had on the development of modern polymer materials.

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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