Fulshear, TX, United States of America

Donald R Kelsey

This inventor holds 39 USPTO granted patents, primarily in Polytrimethylene Terephthalate. Top assignees: Shell Oil Comapny, Avantium International B.v., Other. Active years: 1991-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald R Kelsey. Retrieved from https://idiyas.com/inventor/donald-r-kelsey

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


% Patents Active = 89.7

Average Co-Inventor Count = 1.5

ph-index = 9

Forward Citations = 303(Granted Patents)


Location History:

  • Guerneville, CA (US) (2007 - 2008)
  • Fulshear, TX (US) (1991 - 2010)

Company Filing History:


Years Active: 1991-2010

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Areas of Expertise:
Polytrimethylene Terephthalate
Cyclic Olefins
Catalyst Systems
Polymerization
Phenolic Compounds
Co-Catalysts
Epoxy Resins
Purification
Polymerization Process
Diels-Alder Adducts
Dipropylene Glycol
Acrolein
39 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Donald R. Kelsey

Introduction: Donald R. Kelsey, based in Fulshear, Texas, is a notable inventor with a remarkable portfolio of 39 patents. His work primarily revolves around advancements in chemical processes and materials, showcasing his commitment to innovation and technology.

Latest Patents: Among his latest patents, Kelsey has developed a significant method and apparatus for screening polycondensation catalysts. This invention allows for simultaneous testing of multiple catalysts under equivalent conditions, significantly enhancing the efficiency of catalyst performance analysis. Additionally, he has created a process that reduces acrolein levels in polytrimethylene terephthalate by utilizing selected phosphorus compounds. This invention not only improves the product quality but also highlights his ingenuity in materials science.

Career Highlights: Throughout his career, Kelsey has made substantial contributions to the field while working for well-respected organizations, such as Shell Oil Company. His expertise has played a pivotal role in advancing various chemical processes and technologies.

Collaborations: Kelsey has collaborated with esteemed colleagues, including Eckhard Seidel and Robert Lawrence Blackbourn. Their joint efforts have fostered a productive environment for innovation, further enhancing the impact of their collective work.

Conclusion: Donald R. Kelsey's dedication to innovation is evident through his numerous patents and collaborative efforts. His inventions not only contribute to the scientific community but also have practical applications in various industries, underscoring the importance of ongoing research and development in chemistry and materials science.

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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