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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Guerneville, CA (US) (2007 - 2008)
- Fulshear, TX (US) (1991 - 2010)
Company Filing History:

Years Active: 1991-2010
Areas of Expertise:
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile